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1A . (1 indent ) Fuels, lubricants and additives
3 . (1 indent ) Generating plants
201 . (1 indent ) Reversible
202 . (1 indent ) With means to control degree of compression
203 . (1 indent ) With combusted gas treatment or handling means
204 . (1 indent ) With compression volume means in uninterrupted communication with expansion volume means
205 . (1 indent ) With fuel injection means
206 .. (2 indent ) And pump or control means
207 .. (2 indent ) Into intake port
208 .. (2 indent ) Into intake chamber
209 .. (2 indent ) Into prechamber
210 . (1 indent ) With ignition means
211 .. (2 indent ) Plural
212 . (1 indent ) With plural compression volume means
213 .. (2 indent ) In series
214 . (1 indent ) With plural expansion volume means
215 .. (2 indent ) In series
216 . (1 indent ) With charge treatment means
217 .. (2 indent ) Exhaust gas recirculation
218 .. (2 indent ) Rotor shape
219 .. (2 indent ) Stratification
220 .. (2 indent ) Preheating
221 . (1 indent ) With transfer means intermediate single compression volume means and single expansion volume means
222 .. (2 indent ) Isolated charge in movable transfer element
223 .. (2 indent ) Reciprocating or oscillating compression volume means
224 ... (3 indent ) Radially spaced from expansion volume means
225 .... (4 indent ) Abutment acts as compression means
226 .... (4 indent ) Compression means disposed in rotor
227 .... • (5 indent ) Vane acts as compression means
228 .. (2 indent ) Compression volume means circumferentially disposed relative to expansion volume means
229 ... (3 indent ) Transfer means in rotor
230 ... (3 indent ) Compression volume is also expansion volume
232 ... (3 indent ) Interengaging rotors
233 .... (4 indent ) Nonparallel axes
234 .. (2 indent ) Compression volume means axially disposed relative to expansion volume means
235 ... (3 indent ) Transfer means in rotor
237 ... (3 indent ) Abutment
238 ... (3 indent ) Interengaging rotors
239 .. (2 indent ) Compression volume means radially disposed relative to expansion volume means
240 ... (3 indent ) Concentric
241 . (1 indent ) With compression, combustion, and expansion in a single variable volume
242 .. (2 indent ) Planetating rotor
244 .. (2 indent ) Abutment
245 .. (2 indent ) Alternately approaching and receding elements
246 ... (3 indent ) Eccentric interengaging rotors
247 . (1 indent ) Only combustion and expansion of charge in engine
248 .. (2 indent ) Abutment
249 .. (2 indent ) Interengaging rotors
18A . (1 indent ) Toroidal cylinder
22 INTERNAL COMBUSTION AND AIR
24A . (1 indent ) Single shot gun powder motors
25R WATER AND HYDROCARBON
25A . (1 indent ) Water in charge
25B . (1 indent ) Water plus heat into charge
25C . (1 indent ) Water into cylinder
25D . (1 indent ) Water plus heat into charge
25E . (1 indent ) Water introduced by mixing with other materials
25F . (1 indent ) Water plus heat by mixing with other materials
25G . (1 indent ) Washers and cleaners
25H . (1 indent ) Washers and cleaners with heat
25J . (1 indent ) Automatic water control
25K . (1 indent ) Automatic water control; thermostatic
25L . (1 indent ) Automatic water control; suction
25M . (1 indent ) Automatic water control; speed
25N . (1 indent ) Automatic water control interconnected with throttle
25P . (1 indent ) Steam injection
25Q . (1 indent ) Cooling regulation
250 ENGINE MEANS HAVING INTERNAL VAPORIZING IN PRECHAMBER WITH ALL COMBUSTION IN MAIN CHAMBER
251 . (1 indent ) Whirling in prechamber
252 . (1 indent ) Vaporizing by a hot surface of prechamber
253 PRECOMBUSTION AND MAIN COMBUSTION CHAMBERS IN SERIES
254 . (1 indent ) Chamber temperature control means
255 . (1 indent ) Vaporizing in precombustion chamber
256 . (1 indent ) Plural precombustion chambers
257 . (1 indent ) Two-cycle
258 . (1 indent ) Having timed valves to precombustion and main combustion chambers
259 . (1 indent ) Having volumetric relation between precombustion and main combustion chambers
260 . (1 indent ) With ignition means particularly positioned relative to precombustion and main combustion chambers
261 . (1 indent ) With injection means particularly positioned relative to precombustion and main combustion chambers
262 . (1 indent ) Having fluid whirling means
263 .. (2 indent ) Whirling in precombustion chamber only
264 . (1 indent ) Precombustion chamber is carried by a valve
265 . (1 indent ) Precombustion and main chambers form an "I" head
266 . (1 indent ) Precombustion chamber assembly inserted in spark plug hole
267 .. (2 indent ) Separate fuel or combustible mixture added to precombustion chamber
268 . (1 indent ) Valveless precombustion chamber
269 . (1 indent ) Piston shape complements precombustion chamber discharge
270 . (1 indent ) Precombustion chamber liner or coating
271 .. (2 indent ) With liner mounting means
272 .. (2 indent ) Including combustion catalyst liner or coating means
273 . (1 indent ) Precombustion chamber mounting means
274 . (1 indent ) Having combustible mixture forming means
275 .. (2 indent ) By fuel injection into precombustion or main combustion chamber
276 ... (3 indent ) Fuel injected into precombustion chamber formed in piston
277 ... (3 indent ) By fuel injection into precombustion chamber with carbureted main chamber
278 ... (3 indent ) By fuel injection into main chamber with carbureted precombustion chamber
279 . (1 indent ) Piston carried precombustion chamber
280 . (1 indent ) Atomizer, deflector, or shield in precombustion chamber
281 . (1 indent ) Precombustion chamber shape is a figure of revolution
282 .. (2 indent ) Figure of revolution is multishaped to form a precombustion chamber
283 .. (2 indent ) Cylindrical
284 .. (2 indent ) Spherical
285 . (1 indent ) Precombustion chamber having a specific shape
286 . (1 indent ) Having specific connecting passage means between precombustion and main combustion chambers
287 .. (2 indent ) With ignition means in connecting passage
288 .. (2 indent ) Having fuel, a combustible mixture, or air added in the connecting passage
289 .. (2 indent ) Fluid flow through passage controlled by working piston
290 ... (3 indent ) With whirling
291 ... (3 indent ) Multiple connecting passages
292 .. (2 indent ) With valve means or variable orifice means in the passage
293 .. (2 indent ) Having multiple passages
294 COMBUSTION CHAMBER MEANS HAVING FUEL INJECTION ONLY
295 . (1 indent ) Combustible mixture stratification means
296 . (1 indent ) Injector is an integral part of engine valve
297 . (1 indent ) Combination igniting means and injector
298 . (1 indent ) Injection of fuel onto igniter, deflector, heater, or atomizer
299 . (1 indent ) Using multiple injectors or injections
300 .. (2 indent ) Alternating multiple injectors (e.g., series injection)
301 . (1 indent ) Injected fuel spraying into whirling fluid
302 . (1 indent ) Air entering combustion chamber through plural inlets
303 .. (2 indent ) Having inlet uncovered by working piston
304 . (1 indent ) Injecting diverse fuels or different states of same fuel
305 . (1 indent ) Having a particular relationship between injection and ignition characteristics (e.g., nozzle location, spray pattern, timing relative to igniter location, timing)
27R BURNING BY HIGHLY COMPRESSED AIR
27GE . (1 indent ) Gas engines (diesel type) convertible from liquid to gas or operable with liquid and gas
27A . (1 indent ) Oil engine air preheated
. (1 indent ) Pump supply to air inlet
41E . (1 indent ) Electrical
41.02 . (1 indent ) Automatic coolant flow control
41.03 .. (2 indent ) Float control
41.04 .. (2 indent ) Shutters, air valves, dampers or adjustable cowls
41.05 ... (3 indent ) Temperature and engine operation responsive
41.06 ... (3 indent ) Servomotor-operated type
41.07 ... (3 indent ) Interrelated shutter and throttle control
41.08 .. (2 indent ) Valves for fluid coolant
41.09 ... (3 indent ) Coolant source bypass
41.1 .... (4 indent ) Radiator or condenser source
41.11 .. (2 indent ) Air impeller
41.12 ... (3 indent ) Temperature-responsive
41.13 . (1 indent ) Interrelated coolant flow and throttle control
41.14 . (1 indent ) System drained and/or heat-storing
41.15 . (1 indent ) Indicators and safety devices
41.16 . (1 indent ) Coolant sealed in cylinder valve or piston
41.17 . (1 indent ) Coolant released into cylinder or valve passages
41.18 . (1 indent ) Convertible
41.19 . (1 indent ) Refrigerating cycle
41.2 . (1 indent ) With vapor generation and/or condensing
41.21 .. (2 indent ) Coolant circulation with condensing
41.22 ... (3 indent ) Intake or carburetor connection
41.23 ... (3 indent ) Entrained in secondary circuit
41.24 ... (3 indent ) From top of jacket to bottom of radiator
41.25 ... (3 indent ) Water bypasses condenser
41.26 ... (3 indent ) Vapor only circulated
41.27 ... (3 indent ) Overflow vent to condenser
41.28 . (1 indent ) Multiple cylinders with equalized cooling
41.29 . (1 indent ) Parallel flow
41.3 . (1 indent ) Mixed air and liquid
41.31 . (1 indent ) With cooling of additional parts or materials
41.32 .. (2 indent ) With spark plug heat exchange
41.33 .. (2 indent ) With lubricant heat exchange
41.34 . (1 indent ) Internal cooling of moving parts; e.g., hollow valves, pistons, and movable cylinder
41.35 .. (2 indent ) Piston
41.36 ... (3 indent ) Telescoping piston and stationary conduits
41.37 ... (3 indent ) Hollow piston rod
41.38 .... (4 indent ) Wrist pin type; e.g., nonrigidly connected
41.39 ... (3 indent ) Side wall opening
41.4 .. (2 indent ) Rotary valves
41.41 .. (2 indent ) Poppet-type valves
41.42 . (1 indent ) Liquid coolants other than water and water treatment
41.43 . (1 indent ) Movably mounted tank or radiator
41.44 . (1 indent ) With liquid coolant circulating means
41.45 .. (2 indent ) Jet pumps
41.46 .. (2 indent ) Common drive for pump and fan
41.47 .. (2 indent ) Engine shaft driven
41.48 . (1 indent ) Devices for cooling liquid by air flow
41.49 .. (2 indent ) Fan type
41.5 . (1 indent ) Yielding or resilient walls
41.51 . (1 indent ) Plural radiators and/or tanks in series
41.52 . (1 indent ) Engine or cylinder-mounted heat dissipators
41.53 .. (2 indent ) Hopper type
41.54 . (1 indent ) With vent
41.55 . (1 indent ) Combined
41.56 . (1 indent ) Air-cooled
41.57 .. (2 indent ) With liquid cooling
41.58 .. (2 indent ) Flow-regulating means
41.59 ... (3 indent ) Adjustable discharge
41.6 .. (2 indent ) Steam dividing vanes, baffles, conduits, or the like for multiple cylinders
41.61 ... (3 indent ) Individual deflecting cylinder baffles
41.62 ... (3 indent ) Air duct with discharge ports or conduits
41.63 .. (2 indent ) With impelling means
41.64 ... (3 indent ) Jet type
41.65 ... (3 indent ) Fan type
41.66 .... (4 indent ) Suction
41.67 .. (2 indent ) Jacketed cylinder
41.68 ... (3 indent ) Spiral passages
41.69 .. (2 indent ) Finned cylinder and/or head
41.7 .. (2 indent ) Engine encasing air duct; e.g., cowling
41.71 . (1 indent ) Plural materials
41.72 . (1 indent ) With jacketed head and/or cylinder
41.73 .. (2 indent ) Jet or spray within jacket
41.74 .. (2 indent ) Multiple cylinder
41.75 .. (2 indent ) Reentrant head
41.76 .. (2 indent ) With cooled valve seats or guides
41.77 ... (3 indent ) Poppet-type valves
41.78 ... (3 indent ) Cylinder side wall valves
41.79 .. (2 indent ) With passages, baffles, etc.
41.8 ... (3 indent ) Spiral passages
41.81 .. (2 indent ) Cylinder jacket supported solely by cylinder
41.82R .. (2 indent ) With head-cooling arrangements
41.82A ... (3 indent ) Composite head
41.83 .. (2 indent ) Cylinder detachable
41.84 ... (3 indent ) Flanged cylinder or liner
41.85 . (1 indent ) Valve seats or guides
41.86 CRANKCASE VENTILATION
44B .. (2 indent ) Combustion chamber is center of star
44C .. (2 indent ) Two-cycle
44D .. (2 indent ) Valve casing-cylinders have no valves but have ports which register with ports in casing
44E .. (2 indent ) Cam transmission
43A . (1 indent ) Parallel to shaft
43AA .. (2 indent ) Parallel to shaft cam track
43B . (1 indent ) Toroidal cylinders
43C . (1 indent ) Cam transmission
45R ROTARY RECIPROCATING PISTON
45A . (1 indent ) Piston and crankshaft coaxial
46A . (1 indent ) Two chambers; one piston
46B . (1 indent ) Phasing means between two or more units
46SC . (1 indent ) Single chamber; one piston
46E . (1 indent ) Electric generating means
47A . (1 indent ) Charge passes from crankcase through valve in piston
47AA . (1 indent ) Lost motion connection actuates valve
47AB . (1 indent ) Inlet and exhaust valve in piston
48R ADJUSTABLE COMBUSTION CHAMBER
48A . (1 indent ) Piston in head adjusted manually or mechanically
48AA . (1 indent ) Piston in head adjusted
48B . (1 indent ) Piston varied by means in crankshaft, connecting rod or piston
48C . (1 indent ) Cylinder or sleeve-moved
48D . (1 indent ) Auxiliary chamber
50R RECIPROCATING CYLINDER
50A . (1 indent ) Four-cycle
50B . (1 indent ) Two-cycle
51R MULTIPLE PISTON, COMMON NONRESTRICTIVE COMBUSTION CHAMBER
51A . (1 indent ) Four-cycle
51AA .. (2 indent ) Four-cycle separate crankshaft for piston
51AC .. (2 indent ) Two or more combustion chambers between the piston
51B . (1 indent ) Two-cycle
51BA .. (2 indent ) Two-cycle separate crankshaft for piston
51BB .. (2 indent ) Piston offset from crankshaft
51BC .. (2 indent ) Plural combustion chamber and plural piston
51BD .. (2 indent ) Inlet or exhaust ports in two or more planes
52.2 . (1 indent ) Simultaneous compression, distinct pistons, restricted communication to a single combustion chamber
52.3 .. (2 indent ) Four-stroke cycle
52.4 ... (3 indent ) Multiple crankshafts
52.5 .. (2 indent ) Two-stroke cycle
52.6 ... (3 indent ) Multiple crankshafts
53.1 . (1 indent ) Cylinder offset from crankshaft axis
53.2 .. (2 indent ) Multiple crankshafts
53.3 .. (2 indent ) Cylinders opposite
53.4 ... (3 indent ) Two-stroke cycle
53.5 .. (2 indent ) Crankshaft between parallel cylinders
53.6 . (1 indent ) Cylinders having opposing heads
54.1 . (1 indent ) Cylinders radiating
54.3 ... (3 indent ) Cam on rotary output shaft
54.4 .. (2 indent ) "V" type
54.5 ... (3 indent ) Odd number of cylinders
54.6 ... (3 indent ) Six cylinder
54.7 .... (4 indent ) Eight cylinder
54.8 .... • (5 indent ) More than eight cylinder
55.1 .. (2 indent ) Semi-radial
55.2 .. (2 indent ) Cylinders opposite
55.3 ... (3 indent ) Cam on rotary output shaft
55.4 ... (3 indent ) Four-stroke cycle
55.5 .... (4 indent ) Cylinders opposite and aligned
55.6 ... (3 indent ) Two-stroke cycle
55.7 .... (4 indent ) Cylinders opposite and aligned
56.1 . (1 indent ) Having rotary output shaft parallel to cylinders
56.2 .. (2 indent ) Cam on rotary output shaft
56.3 ... (3 indent ) Swash plate type
56.4 .... (4 indent ) Single bank of cylinders
56.5 .... (4 indent ) Motion converting means between two banks of cylinders
56.6 .... (4 indent ) Multiple swash plate drive
56.7 ... (3 indent ) Single bank of cylinders
56.8 ... (3 indent ) Motion converting means between two banks of cylinders
56.9 ... (3 indent ) Multiple cam drives
57.1 .. (2 indent ) Shaft rotates through piston
58.1 . (1 indent ) Cylinders in-line
58.2 .. (2 indent ) Locked pistons
58.3 ... (3 indent ) Two-stroke cycle
58.4 .. (2 indent ) Lengthwise charging
58.5 ... (3 indent ) Step piston
58.6 .. (2 indent ) Step piston
58.7 .. (2 indent ) Cylinder supercharged by pressure pulse of released exhaust gases
58.8 .. (2 indent ) Exhaust to next cylinder ready to fire
58.9 .. (2 indent ) Oscillating or reciprocating, nonpoppet valve
59.1 .. (2 indent ) Rotary valve
59.2 ... (3 indent ) Tapered
59.3 ... (3 indent ) Sleeve valve
59.4 ... (3 indent ) Disc valve
59.5 .. (2 indent ) Plural carburetors
59.6 .. (2 indent ) Multiple crankshafts
59.7 .. (2 indent ) Two-stroke cycle
60.1 . (1 indent ) Locked annular piston
61R . (1 indent ) Two-cycle
62 .. (2 indent ) Combined pump and motor cylinder
61V .. (2 indent ) Lengthwise scavenging of cylinders from cylinder head to piston
63 . (1 indent ) Four-cycle
66 . (1 indent ) Combined pump and motor cylinder
67 . (1 indent ) Divided pump discharge
68 . (1 indent ) Pump compression
69R . (1 indent ) Separate air and gas pumps
69V .. (2 indent ) Lengthwise scavenging of cylinder by gas from cylinder head to piston
70R . (1 indent ) Pump and cylinder adjacent
70V .. (2 indent ) Lengthwise scavenging of power cylinder
71R . (1 indent ) Pump and cylinder coaxial
71V .. (2 indent ) Lengthwise scavenging of cylinder from head to piston
71VA .. (2 indent ) Sleeve valve
72 . (1 indent ) Pump and cylinder inclined
. (1 indent ) Rear compression
73R .. (2 indent ) Crankcase
73A ... (3 indent ) Fuel to crankcase
73AA ... (3 indent ) Ported piston
73AV .... (4 indent ) Valved
73AB ... (3 indent ) Inlet valve in head
73AC ... (3 indent ) Varies compression space
73AD ... (3 indent ) Lubricant oil and fuel mixing devices
73AE ... (3 indent ) Auxiliary piston moves synchronously with piston to enlarge volume of crankcase or incoming charge
73AF ... (3 indent ) Crankcase compression with auxiliary pump means
73B ... (3 indent ) Fuel to bypass
73BA .... (4 indent ) Lengthwise scavenging of cylinders from head
73C ... (3 indent ) Fuel to cylinder
73CA .... (4 indent ) Lengthwise scavenging of cylinders from head
73CB .... (4 indent ) With liquid pump to separate inlet
73CC .... (4 indent ) With gas or vapor pump to separate
73D ... (3 indent ) Disc valves
73DA .... (4 indent ) Charge to crankcase through crankshaft
73E ... (3 indent ) Reentrant cylinder head
73F ... (3 indent ) Stepped piston
73FA .... (4 indent ) Ported
73S ... (3 indent ) Supercharging of crankcase
73V ... (3 indent ) Valves for crankcase
73SC ... (3 indent ) Returns charge to crankcase or rejects to exhaust
73PP ... (3 indent ) Distinct passages from crankcase to cylinder
73SP ... (3 indent ) Slow-speed operation
74R .. (2 indent ) Cylinder
74A ... (3 indent ) Fuel to rear of piston
74AA .... (4 indent ) Lengthwise scavenging from head
74AP ... (3 indent ) Reduced portion of piston acts as guide
74AC ... (3 indent ) Cross head between piston and crank
74AE ... (3 indent ) Enclosed crankcase
74B ... (3 indent ) Lengthwise bypass
74C ... (3 indent ) Lengthwise cylinder combustion space
74D ... (3 indent ) Slide valve between chamber of pump and crankcase
65PE . (1 indent ) Exhaust ports
65A . (1 indent ) Inlet and exhaust ports in two or more planes
65BA . (1 indent ) Blowers
65PD . (1 indent ) Port deflectors
65E . (1 indent ) Scavenging by inertia of exhaust gas and charging by use of pressure waves
65S . (1 indent ) Step piston (see sub. 59 BS)
65VA .. (2 indent ) Sleeve valve
65VS .. (2 indent ) Sleeve driven by auxiliary crankshafts
65VB . (1 indent ) Lengthwise scavenging list above
65VC . (1 indent ) Lengthwise scavenging exhaust above
65VD . (1 indent ) Intake and exhaust valve in top of cylinder
65W . (1 indent ) Whirl through piston-controlled ports
65WA .. (2 indent ) Whirl in top of cylinders and lengthwise scavenging
65WV . (1 indent ) Vacuum intake
65SP . (1 indent ) Single port for inlet and exhaust
65EM . (1 indent ) Exhaust manifolds
306 MEANS TO WHIRL FLUID BEFORE, UPON, OR AFTER ENTRY INTO COMBUSTION CHAMBER
307 . (1 indent ) Structural projection on working piston causes whirling
308 . (1 indent ) Having multiple oxidant inlet means
309 . (1 indent ) Specific spark plug location
310 COMBUSTION CHAMBER HAVING MULTIPLE SPARK GAPS
312 . (1 indent ) Engine cylinder having a reciprocating sleeve valve
313 .. (2 indent ) Having a junk ring seal
314 .. (2 indent ) Having sleeve valve lubrication means
315 . (1 indent ) Multiple exhaust
316 . (1 indent ) Having subcharger associated with the cylinder
317 . (1 indent ) Crankcase compression of air or combustible mixture to be subsequently pumped into the working cylinder
318 . (1 indent ) Rear compression of air or combustible mixture to be subsequently pumped into the working cylinder
76 . (1 indent ) Scavenging
77 . (1 indent ) Single revolution
78R . (1 indent ) Variable clearance
78A .. (2 indent ) Piston in head adjusted mechanically
78AA ... (3 indent ) Piston in head adjusted by fluid means
78B .. (2 indent ) Varying means is in the piston
78BA ... (3 indent ) Varying means is in the piston connection
78C .. (2 indent ) Cylinder or sleeve moved
78D .. (2 indent ) Auxiliary chamber
78E .. (2 indent ) Varying means is in the connecting rod
78F .. (2 indent ) Varying means is in the crankshaft
79R . (1 indent ) Single poppet valve
79A .. (2 indent ) Rotary valve and poppet which extends through rotary valve
79C .. (2 indent ) Concentric valves; relatively movable
80R . (1 indent ) Rotating valve
80BA .. (2 indent ) Rotary valve is perpendicular to cylinder
80BB .. (2 indent ) Rotary valve is parallel to cylinder
80C .. (2 indent ) Sleeve valve
80D .. (2 indent ) Disc valve
80DA .. (2 indent ) Rotary plug
81R . (1 indent ) Oscillating valve
81B .. (2 indent ) Oscillating valve - not sleeve or disc
81C .. (2 indent ) Sleeve valve
81D .. (2 indent ) Disc valve
82 . (1 indent ) Rotating side shaft
83 . (1 indent ) Rotating transverse shaft
84 . (1 indent ) Adjacent supply and exhaust valves
85 . (1 indent ) Aligned supply and exhaust valves
86 . (1 indent ) Opposite supply and exhaust valves
87 . (1 indent ) Longitudinal valve and lever
88 . (1 indent ) Transverse valve and lever
89 . (1 indent ) Transverse valve and bell crank
319 ENGINE SPEED REGULATOR
320 . (1 indent ) Responsive to deceleration mode (e.g., engine acting as a brake)
321 .. (2 indent ) Valve timing altering means (e.g., axially sliding cam shaft)
322 ... (3 indent ) Electrical means adapted to alter valve timing
323 .. (2 indent ) Exhaust throttling or blocking
324 .. (2 indent ) Part of the air or combustible mixture to the engine cylinder omitted
325 .. (2 indent ) Deceleration responsive cutoff of fuel to engine (e.g., pollution control)
326 ... (3 indent ) Rich resupply of fuel at end of deceleration
327 .. (2 indent ) Auxiliary air fed to the engine
328 .. (2 indent ) Idle jet bypassed by a slight opening of the throttle
329 .. (2 indent ) Having means to retard spark (e.g., ignition timing)
330 . (1 indent ) Engine speed reduction by overriching the combustible mixture (e.g., choking engine)
331 .. (2 indent ) By electric means
332 . (1 indent ) Engine speed reduction by fuel cutoff
333 .. (2 indent ) By electric means
334 . (1 indent ) Engine speed reduction by partial or complete omission of the ignition
335 .. (2 indent ) By electric means
336 . (1 indent ) Having plural throttle valve structure
337 . (1 indent ) Specific throttle valve structure
338 . (1 indent ) Fuel injection pump bypass control
339.1 . (1 indent ) Idle speed control
339.11 .. (2 indent ) By regulating spark ignition timing
339.12 .. (2 indent ) And air-fuel ratio feedback controlled
339.13 .. (2 indent ) Manual adjustment
339.14 .. (2 indent ) Electrically operated control means
339.15 ... (3 indent ) With fail-safe, backup, or malfunction detecting means
339.16 ... (3 indent ) External load condition responsive
339.17 .... (4 indent ) Air conditioner operating mode responsive (i.e., compressor on-off)
339.18 .... (4 indent ) Accessory load (e.g., lights, heater blower motor, radiator fan motor, generator) on engine electrical system responsive
339.19 ... (3 indent ) By engine speed error feedback
339.2 .... (4 indent ) Dynamic state variable model
339.21 .... (4 indent ) And integral or derivative control
339.22 .... (4 indent ) And temperature responsive
339.23 .... (4 indent ) Controlling throttle bypass
339.24 ... (3 indent ) Temperature responsive
339.25 ... (3 indent ) Including rotary actuator
339.26 .... (4 indent ) Stepping motor type
339.27 ... (3 indent ) Including linear reciprocating solenoid control device
339.28 .... (4 indent ) Having valve controlled vacuum actuator
339.29 .. (2 indent ) By overriding injection pump governor
342 . (1 indent ) Regulator changes length of accelerator linkage
343 . (1 indent ) Regulator accessory (e.g., cleaner, adjusting tool, etc.)
344 . (1 indent ) Charge proportion varying (e.g., the fuel-air ratio is varied)
345 . (1 indent ) By changing valve lift
346 .. (2 indent ) Intake valve lift altered
347 . (1 indent ) By changing valve timing
348 .. (2 indent ) Intake valve timing altered
349 . (1 indent ) Having condition responsive means with engine being part of a closed feedback system (e.g., cruise control)
350 .. (2 indent ) Electrical sensing or regulating
351 ... (3 indent ) Engine overspeed sensing with an indicator or alarm and speed regulation
352 ... (3 indent ) Engine speed sensing having an error signal producing circuit
353 .... (4 indent ) Having variable duty cycle multivibrator (e.g., length of "time on" in each cycle)
354 .... (4 indent ) Having variable frequency multivibrator (e.g., number of "time ons" per unit of time)
355 .... (4 indent ) Having phase difference detector
356 .... (4 indent ) Circuit resonates (e.g., tuned) at governed speed
357 .... (4 indent ) Electric fuel injection pump governor
358 .... • (5 indent ) Max-min governor (i.e., no control in between)
359 .... • (5 indent ) Fail-safe feature (e.g., cuts off fuel pump)
360 .... (4 indent ) Circuit controls a fluid throttle operator (e.g., vacuum)
361 .... (4 indent ) Circuit controls an electric throttle operator
362 ... (3 indent ) Cold engine control
363 .. (2 indent ) Mechanical sensor or regulator
364 ... (3 indent ) Fuel injection pump governor (e.g., diesel)
365 .... (4 indent ) Governor override
366 .... • (5 indent ) Engine starting or warm-up control
367 .... • (5 indent ) Variable throttle or control rod stop
369 .... (4 indent ) Three-dimensional cam control
370 .... (4 indent ) Acceleration responsive
371 .... (4 indent ) Deceleration responsive
372 .... (4 indent ) Biased axial link (e.g., sliding rod with spring return)
373 .... (4 indent ) Pivoted link connected to pump rack
374 .... • (5 indent ) Movable fulcrum (e.g., slot and pin)
375 ... (3 indent ) Fuel injection pressure governor
376 ... (3 indent ) Throttle positioning
377 .... (4 indent ) Safety override of dangerous manual position
378 .. (2 indent ) Fluidic sensor or regulator
379 ... (3 indent ) Fuel injection pump governor
380 .... (4 indent ) Barometric sensor
381 .... (4 indent ) Fuel viscosity sensor (e.g., temperature sensing)
382 .... (4 indent ) Manifold pressure sensor
383 .... • (5 indent ) Supercharger
384 .... (4 indent ) Floating piston-type governor (e.g., Bessiere)
385 .... (4 indent ) Liquid fluid governor
386 .... • (5 indent ) Lubrication pressure sensor
387 .... • (5 indent ) Fuel pressure sensor
388 .... • (5 indent ) Override for basic mechanical governor
389 ... (3 indent ) Intake manifold vacuum responsive
390 ... (3 indent ) Fuel injection pressure governor
391 ... (3 indent ) Responsive to intake airflow
392 ... (3 indent ) Responsive to cooling fan airflow
393 ... (3 indent ) Responsive to exhaust gas
394 .. (2 indent ) By combustion air or air-fuel mixture cutoff
395 . (1 indent ) Open loop condition responsive
396 .. (2 indent ) Resistance or override acts on input connection to regulator
397 ... (3 indent ) Shutdown safety device
398 ... (3 indent ) Throttle position lock
399 .. (2 indent ) Having an electrical device between input and speed regulator
400 .. (2 indent ) Mechanical connection between input and speed regulator
401 .. (2 indent ) Fluidic device between input and regulator
402 . (1 indent ) Charge volume varying (e.g., total amount of mixture fed to engine is varied; relative amounts of air and fuel are fixed)
403 .. (2 indent ) Throttling (e.g., volume varying using throttle valve)
404 .. (2 indent ) Suction operated supply valve lift regulating
405 .. (2 indent ) By engine operated valve
406.11 SPARK IGNITION TIMING CONTROL
406.12 . (1 indent ) Electronic control
406.13 .. (2 indent ) With fail-safe, backup or malfunction detecting means
406.14 ... (3 indent ) Including spark failure responsive means (e.g., misfire)
406.15 ... (3 indent ) Fuel sensor malfunction responsive
406.16 ... (3 indent ) Knock control malfunction responsive
406.17 ... (3 indent ) Cylinder pressure sensor malfunction responsive
406.18 ... (3 indent ) Engine shaft rotational position sensor malfunction responsive (e.g., crank shaft, cam shaft)
406.19 .. (2 indent ) Closed loop feedback control of spark timing
406.2 ... (3 indent ) Separate control for each cylinder
406.21 .... (4 indent ) Knock responsive
406.22 .... (4 indent ) Cylinder pressure responsive
406.23 ... (3 indent ) Engine output (e.g., torque, speed, horsepower) or fuel consumption optimization
406.24 ... (3 indent ) Including means responsive to the instantaneous change in engine speed (e.g., roughness, unstable combustion, etc.)
406.25 .... (4 indent ) Acceleration or deceleration responsive
406.26 ... (3 indent ) Combustion condition responsive
406.27 .... (4 indent ) Combustion failure responsive (e.g., misfire)
406.28 .... (4 indent ) Combustion condition sensed by optical sensor
406.29 .... (4 indent ) Engine knock responsive
406.3 .... • (5 indent ) Fuel quality or composition signal responsive
406.31 .... • . (6 indent ) Alcohol concentration responsive
406.32 .... • . (6 indent ) Having a plurality of speed/load maps related to fuel quality or composition
406.33 .... • (5 indent ) With modifying or updating memory (i.e., learning)
406.34 .... • (5 indent ) Modification of knock signal by engine operating condition signal
406.35 .... • . (6 indent ) Engine operating condition is load or speed
406.36 .... • .. (7 indent ) Acceleration or deceleration responsive
406.37 .... • (5 indent ) Having specific knock detecting means
406.38 .... • . (6 indent ) Knock frequency distribution pattern responsive
406.39 .... • . (6 indent ) Knock signal counting
406.4 .... • . (6 indent ) And specific system component mounting or location details
406.41 .... (4 indent ) Engine cylinder pressure responsive
406.42 .... • (5 indent ) Peak pressure responsive
406.43 .... • (5 indent ) Responsive to derivative, integral or average of pressure
406.44 ... (3 indent ) Exhaust gas condition responsive control of spark timing
406.45 .. (2 indent ) Including control of combustible mixture or a constituent thereof (e.g., air, fuel, exhaust gas)
406.46 ... (3 indent ) Acceleration or deceleration responsive
406.47 ... (3 indent ) With fuel injection control
406.48 ... (3 indent ) With exhaust gas recirculation (EGR) control
406.49 .. (2 indent ) Barometric pressure responsive
406.5 .. (2 indent ) Acceleration or deceleration responsive
406.51 ... (3 indent ) Acceleration responsive
406.52 .. (2 indent ) Throttle position responsive
406.53 .. (2 indent ) Starting condition responsive
406.54 ... (3 indent ) Start detected by engine speed
406.55 .. (2 indent ) Temperature responsive (e.g., ambient, engine, etc.)
406.56 .. (2 indent ) With magneto
406.57 ... (3 indent ) And capacitor discharge for ignition spark energy
406.58 .. (2 indent ) Having engine shaft rotational position signal generator (e.g., crank shaft, cam shaft)
406.59 ... (3 indent ) Speed responsive timing control
406.6 .... (4 indent ) Having counter or addressable memory (e.g., digital timing circuit)
406.61 .... • (5 indent ) Plural engine shaft position sensors
406.62 .... • . (6 indent ) Position sensors at separate shafts
406.63 .... • . (6 indent ) Position sensors having different pulse rates
406.64 .... • (5 indent ) Memory addressed by engine speed or load
406.65 .... • . (6 indent ) With microprocessor
406.66 .... (4 indent ) With resistor/capacitor (RC) timing circuit (e.g., multivibrator)
406.67 . (1 indent ) Vacuum timing control
406.68 .. (2 indent ) Barometric pressure responsive
406.69 .. (2 indent ) Condition responsive valve in fluid path from vacuum source
406.7 ... (3 indent ) Temperature responsive
406.71 .. (2 indent ) Fluid delay between vacuum source and actuator (e.g., fixed restriction)
406.72 .. (2 indent ) Increasing vacuum retards spark timing
406.73 .. (2 indent ) Plural diaphragms or actuators
406.74 . (1 indent ) Mechanical or hydraulic link to throttle valve or accelerator
406.75 . (1 indent ) Centrifugal timing mechanism
406.76 . (1 indent ) Spark delay actuated or deactuated by starting device
429 COMBUSTION CHAMBER MEANS COMBINED WITH AIR-FUEL MIXTURE FORMING MEANS
430 . (1 indent ) Stratification in combustion chamber
431 . (1 indent ) Having a single combustible mixture inlet combined with means for injecting additional fuel into the combustion chamber
432 . (1 indent ) Air or combustible mixture entering the combustion chamber through plural inlets
433 .. (2 indent ) One inlet is uncovered by piston travel
434 CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL)
435 . (1 indent ) Including cylinder pressure or temperature responsive means
436 . (1 indent ) Including means responsive to instantaneous change in engine speed
672 . (1 indent ) Including exhaust gas condition responsive means
673 .. (2 indent ) With sensor controlling each cylinder individually
674 .. (2 indent ) With modifying or updating memory (i.e., learning)
675 ... (3 indent ) Acceleration or deceleration responsive
676 .. (2 indent ) Exhaust gas temperature or pressure repsonsive
677 .. (2 indent ) Combined with ambient condition responsive means (e.g., pressure)
678 ... (3 indent ) Ambient temperature responsive
679 .. (2 indent ) Combined with engine condition responsive means
680 ... (3 indent ) Idling responsive
681 ... (3 indent ) Engine load responsive
682 .... (4 indent ) Acceleration or deceleration responsive
683 .... (4 indent ) Throttle position responsive
684 .... (4 indent ) Pressure downstream of throttle valve responsive
685 ... (3 indent ) Starting or warmup responsive
686 .... (4 indent ) Engine coolant temperature responsive
687 ... (3 indent ) Speed responsive
688 ... (3 indent ) Inoperative sensor responsive
689 ... (3 indent ) Engine fluid or engine component temperature responsive
690 .. (2 indent ) With fail-safe, backup, or malfunction means
691 .. (2 indent ) Multiple sensors controlling group of cylinders
692 ... (3 indent ) Controlling plural groups of cylinders
693 .. (2 indent ) With compensator for sensor output (e.g., current or voltage)
694 ... (3 indent ) Output fed to compensating circuit
695 .... (4 indent ) Variable reference value
696 .... (4 indent ) Proportional or integral circuit
697 ... (3 indent ) Heater for sensor or sensor environment
698 .. (2 indent ) With addition of secondary fluid (e.g., fuel or exhaust gas)
699 ... (3 indent ) Secondary fluid is auxiliary air or oxygen (e.g., carburetor air bleed)
700 .... (4 indent ) Fed to air/fuel mixture
701 .. (2 indent ) With auxiliary control of carburetor
702 ... (3 indent ) Variable venturi carburetor
703 .. (2 indent ) Exhaust gas composition sensor
704 . (1 indent ) Air/fuel ratio prior to combustion responsive means
437 . (1 indent ) Auxiliary control of carburetor fuel metering
438 .. (2 indent ) By electrical or electronic control system
439 ... (3 indent ) Variable venturi carburetor
441 .. (2 indent ) By mechanical speed sensor
442 . (1 indent ) Injection or carburetion system having a series of throttle valves
443 . (1 indent ) Alternate or simultaneous lean-rich
444 . (1 indent ) Having fluidic logic control means
445 . (1 indent ) Fuel injection system
446 .. (2 indent ) Fuel pump flow regulation
447 ... (3 indent ) With accumulator
448 ... (3 indent ) Sequential distributor
449 .... (4 indent ) Rotary and reciprocating distributor
450 .... (4 indent ) Rotary distributor
451 .... (4 indent ) Reciprocating distributor
452 ... (3 indent ) Nonsequential distributor
453 .... (4 indent ) Enrichment of the combustible mixture for cold starting or cold running
454 .... (4 indent ) Equal pressure valve type
455 .... (4 indent ) Distributor and metering unit are in common housing
456 .... (4 indent ) Common rail system
457 ... (3 indent ) Regulating means adjusts fuel pressure
458 .... (4 indent ) Electric regulator
459 .... (4 indent ) Bleed off valve
460 .... (4 indent ) Series regulator
461 .... (4 indent ) Having vapor returned to tank or pump inlet
462 .... (4 indent ) By throttle control
463 .... (4 indent ) Manifold pressure responsive
464 .... (4 indent ) Temperature responsive
465 .... (4 indent ) Barometric responsive
466 .... (4 indent ) Having an antitampering device
467 .. (2 indent ) Drip prevention means at injector nozzle
468 .. (2 indent ) Having a specific shape, material, or location of fuel line
469 ... (3 indent ) Specific fuel line mounting means
470 .. (2 indent ) Injection nozzle mounting means
471 ... (3 indent ) Nozzle isolated from manifold vacuum effect
472 .. (2 indent ) Electrically actuated injector
473 ... (3 indent ) Mechanically actuated switching
474 .... (4 indent ) Ignition distributor used as switch
475 ... (3 indent ) Actuated by ignition pulse
476 ... (3 indent ) Magnetically actuated switching
477 ... (3 indent ) Radiation actuated switching
478 ... (3 indent ) Actuator circuit (e.g., engine condition responsive electronic circuit actuates injector valve)
479 .... (4 indent ) Backup systems, fail-safe, failure indicator
480 .... (4 indent ) Having microprocessor
481 .... (4 indent ) Engine cylinder cutout
482 .... (4 indent ) Circuit activates valve for continuous fuel flow
483 .... (4 indent ) Having plural multivibrators
484 .... (4 indent ) Having single multivibrator
485 .... (4 indent ) Having ramp generator
486 .... (4 indent ) Having a digital memory addressed by an engine parameter
487 .... (4 indent ) Having an up or up-down counter in circuit
488 .... (4 indent ) Subcircuit operates on a parameter sensor output before input to main fuel control (e.g., function generator)
490 .... (4 indent ) Injector solenoid drive
491 .... (4 indent ) Starting condition responsive
492 .... (4 indent ) Acceleration or full load condition responsive
493 .... (4 indent ) Deceleration condition responsive
494 .... (4 indent ) Having specific transducer
495 . (1 indent ) With fuel pump
496 .. (2 indent ) Variable rate of injection stroke
497 .. (2 indent ) Electric fuel pump
498 ... (3 indent ) Piezoelectric drive
499 ... (3 indent ) Solenoid drive
500 .. (2 indent ) Variable beginning and ending of pumping stroke
501 .. (2 indent ) Variable beginning of pumping stroke
502 ... (3 indent ) Fluid pressure control
503 .. (2 indent ) Variable ending of pumping stroke
504 .. (2 indent ) Variable stroke
505 .. (2 indent ) Fuel pump and intake air controls interconnected
506 .. (2 indent ) Having pressure relief valve
507 .. (2 indent ) Pumping member driven by a piston or valve of the internal combustion engine
508 .. (2 indent ) Pumping member driven by the internal combustion engine valve operating mechanism
509 .. (2 indent ) Specific location or mounting of pump
510 . (1 indent ) Fuel flow regulation between the pump and the charge-forming device
511 .. (2 indent ) Regulator means adjusts fuel pressure
512 ... (3 indent ) Engine parameter responsive
513 ... (3 indent ) Environmental condition responsive
514 .. (2 indent ) Excess fuel returned to tank
515 .. (2 indent ) Regulator controls flow of a plurality of fuels
516 .. (2 indent ) Air or fuel vapor purging system
517 .. (2 indent ) Carburetor float bowl drain
518 . (1 indent ) Having fuel vapor recovery and storage system
519 .. (2 indent ) Having an adsorbent canister
520 ... (3 indent ) Purge valve controlled by engine parameter
521 .... (4 indent ) Responsive to secondary air pressure
522 . (1 indent ) Liquid fuel evaporating by submerged air supply
523 . (1 indent ) Liquid fuel evaporating by extended fuel film
524 .. (2 indent ) Screen or mat
525 . (1 indent ) Combined liquid and gaseous fuel
526 .. (2 indent ) Diesel engine convertible from liquid to gas
527 . (1 indent ) Gaseous fuel and air mixer
528 .. (2 indent ) Supercharged engine
529 .. (2 indent ) Safety device (e.g., cutoff)
530 . (1 indent ) Constant flow fuel supply
531 . (1 indent ) Auxiliary air or gas used to inject fuel
532 .. (2 indent ) Air is bled from the cylinder on the compression stroke in that cylinder
533 .. (2 indent ) Having a separate pump for the air or gas
534 .. (2 indent ) Air is bled from another engine cylinder
535 .. (2 indent ) Constant fuel level
536 . (1 indent ) Combustible mixture ionization, ozonation, or electrolysis
537 .. (2 indent ) Before intake valve (e.g., in manifold)
538 .. (2 indent ) Fuel only
539 .. (2 indent ) Air only
540 . (1 indent ) Cooling of combustible mixture
541 .. (2 indent ) Fuel only
542 .. (2 indent ) Air only
543 . (1 indent ) Heating of combustible mixture
544 .. (2 indent ) Lighter fuel is used during starting
545 .. (2 indent ) Heating meduim surrounds combustible mixture
546 .. (2 indent ) Combustible mixture surrounds heating medium
547 .. (2 indent ) Combustible mixture and heating meduim adjoin one another
548 .. (2 indent ) Trap for liquid particle vaporization
549 .. (2 indent ) Electric heater
550 .. (2 indent ) Combustion heater
551 ... (3 indent ) Part of combustible mixture is burned
552 .. (2 indent ) Automatic control
553 .. (2 indent ) Intermediate fluid used for heating
554 .. (2 indent ) Combustible mixture, air, and fuel are heated separately
555 .. (2 indent ) Air and fuel heated separately
556 .. (2 indent ) Air only
557 .. (2 indent ) Fuel only
558 ... (3 indent ) Fuel is heated to ignition temperature
559.1 . (1 indent ) Supercharger
559.2 .. (2 indent ) Pressure exchange with exhaust gas
559.3 .. (2 indent ) With clutch
560 .. (2 indent ) Two-cycle compressor feeds a four-cycle engine
561 .. (2 indent ) Variable ratio compressor driven supercharger
562 .. (2 indent ) Multiple superchargers
563 .. (2 indent ) Intercooler
564 .. (2 indent ) Boost control
565 .. (2 indent ) Supercharger is driven independently of the engine
566 .. (2 indent ) Funnel-type supercharger (e.g., ram-air)
567 . (1 indent ) Oxidant is solely oxygen
568.11 . (1 indent ) Exhaust gas used with the combustible mixture (e.g., emission control Exhaust Gas Recirculation (EGR) valve)
568.12 .. (2 indent ) Exhaust gas cooled during recirculation
568.13 .. (2 indent ) Having recirculation path formed entirely in the cylinder block or head
568.14 .. (2 indent ) Internal exhaust gas recirculation (e.g., exhaust gas retained in the combustion chamber)
568.15 .. (2 indent ) Having exhaust gas mixed with a constituent before entry into intake manifold
568.16 .. (2 indent ) With electrical means for fail-safe, backup, or malfunction detecting of EGR system
568.17 .. (2 indent ) Having specific exhaust gas outlet structure at intake manifold
568.18 ... (3 indent ) Having a valve located at the outlet of the EGR passage
568.19 .. (2 indent ) EGR valve position controlled only in relationship to intake throttle valve position
568.2 .. (2 indent ) Plural EGR valves in the recirculation passage
568.21 .. (2 indent ) Having electrically actuated control means
568.22 ... (3 indent ) Ambient condition responsive (e.g., atmospheric temperature, atmospheric pressure)
568.23 ... (3 indent ) Having rotary actuator control of EGR valve
568.24 .... (4 indent ) Electrical rotary actuator rotates the EGR valve
568.25 .... (4 indent ) Vacuum actuator control of EGR valve
568.26 ... (3 indent ) Having electromechanical actuator control of EGR valve
568.27 .... (4 indent ) Controlling vacuum actuator
568.28 .... • (5 indent ) Including auxiliary vacuum pump
568.29 .. (2 indent ) Vacuum actuator control of EGR valve
568.3 ... (3 indent ) Including auxiliary vacuum pump
568.31 ... (3 indent ) Temperature responsive
568.32 ... (3 indent ) Having fixed restriction in vacuum line
572 . (1 indent ) Crankcase vapor used with combustible mixture
573 .. (2 indent ) Vapor treated before mixing with combustible mixture (e.g., cooling)
574 .. (2 indent ) Specific control valve (e.g., PCV valve)
575 . (1 indent ) Diverse fuel supply
576 .. (2 indent ) Fuel switched in response to engine starting condition
577 .. (2 indent ) Fuel switched, condition responsive to load
578 .. (2 indent ) Fuel switched in response to engine temperature
579 . (1 indent ) Multiple carburetors
580 .. (2 indent ) Each carburetor feeds a cylinder or group of cylinders (e.g., split engine)
581 .. (2 indent ) Separate carburetor for starting
582 .. (2 indent ) Separate carburetor for high load
583 .. (2 indent ) With linkage between carburetor throttle valves
584 ... (3 indent ) Staged opening of carburetor throttle valves
585 . (1 indent ) Auxiliary air or oxygen added to combustible mixture
586 .. (2 indent ) Oxidant controlled by throttle
587 .. (2 indent ) Oxidant controlled by intake manifold vacuum
588 .. (2 indent ) Oxidant controlled by engine temperature
590 . (1 indent ) Charge-mixing device in intake (e.g., device which insures the atomization of the combustible mixture)
591 .. (2 indent ) Having liquid fuel collector
592 .. (2 indent ) By fan means
593 .. (2 indent ) By screen means
594 HIGH TENSION IGNITION SYSTEM
595 . (1 indent ) Retrofit conversion ignition unit
596 . (1 indent ) Using capacitive storage and discharge for spark energy
597 .. (2 indent ) Regulating sensed ignition capacitor voltage
598 .. (2 indent ) Having an oscillator
599 .. (2 indent ) Having a magneto
600 ... (3 indent ) Triggering voltage obtained from capacitor charging winding
601 ... (3 indent ) Specific design of charge or trigger winding core
603 ... (3 indent ) Antireverse protection
604 .. (2 indent ) Inductive capacitive discharge system
605 .. (2 indent ) Having a specific capacitor, ignition coil means, or switching element circuit path
606 . (1 indent ) High frequency ignition system
607 .. (2 indent ) Free running oscillator supplies coil primary
608 .. (2 indent ) Having a specific spark plug
609 . (1 indent ) Having dwell control
610 .. (2 indent ) Using a monostable multivibrator
611 .. (2 indent ) Dwell maintained at constant value
612 . (1 indent ) Having engine component position sensor
613 .. (2 indent ) Optical sensing
614 .. (2 indent ) Including a zero crossing detector
615 .. (2 indent ) Includng an oscillator
616 .. (2 indent ) Piezoelectric sensor
617 .. (2 indent ) Inductive or magnetic sensor
618 . (1 indent ) Having specific trigger circuitry
619 .. (2 indent ) Oscillatory trigger circuit
620 . (1 indent ) Additional spark energy supply
621 . (1 indent ) Having an ignition coil with multiple primary or secondary windings
622 .. (2 indent ) Separate circuit for each winding
623 . (1 indent ) Having supply voltage regulation
624 . (1 indent ) Having ballast resistor cutout or control
625 . (1 indent ) Responsive to engine or environmental condition
626 .. (2 indent ) Oscillator or trigger circuit responsive to engine condition
627 . (1 indent ) Having auxiliary spark gap in series or parallel with the coil
628 . (1 indent ) Having a continuous high voltage output to the high voltage distributor
629 . (1 indent ) Monostable multivibrator controls timing of coil primary current
630 . (1 indent ) Safety device
631 .. (2 indent ) Reverse engine rotation protection
632 .. (2 indent ) Ignition switch opened when engine stops
633 . (1 indent ) Radio interference protection
634 . (1 indent ) Having a specific ignition coil
635 . (1 indent ) Specific coil location
636 . (1 indent ) Multiple spark ignition system
637 .. (2 indent ) System fires single spark plug per cylinder
638 .. (2 indent ) System fires multiple spark plugs per cylinder
639 .. (2 indent ) System using vibrator for multiple sparks upon starting
640 . (1 indent ) Dual systems
641 .. (2 indent ) One for starting
642 . (1 indent ) Piezoelectric voltage generator
643 . (1 indent ) Electronic cylinder sequencing
644 . (1 indent ) Current or voltage sensing in coil primary
645 . (1 indent ) Maverick spark suppressor
646 .. (2 indent ) Point bounce or arc suppression system
647 . (1 indent ) Having a specific mounting of system component
648 . (1 indent ) Having SCR triggered by lowering cathode voltage below ground
649 . (1 indent ) Multiple primary current interrupters
650 . (1 indent ) Power supply, ignition coil primary, and interrupter element all in series
651 .. (2 indent ) Interrupter is multiple transistor circuit
652 .. (2 indent ) Interrupter is single transistor
653 .. (2 indent ) Additional capacitor other than breaker point capacitor is in series with coil primary or secondary
654 .. (2 indent ) Additional capacitor other than breaker point capacitor is in parallel with coil primary or secondary
655 .. (2 indent ) Diode is in series with coil primary or secondary
656 .. (2 indent ) Diode is in parallel with coil primary or secondary
90.1 POPPET VALVE OPERATING MECHANISM
90.11 . (1 indent ) Electrical system
90.12 . (1 indent ) Hydraulic system
90.13 .. (2 indent ) With manifold and distributor
90.14 . (1 indent ) Pneumatic system
90.15 . (1 indent ) With means for varying timing
90.16 .. (2 indent ) Cam-to-valve relationship
90.17 .. (2 indent ) Camshaft or cam characteristics
90.18 ... (3 indent ) Axially shiftable camshaft
90.19 . (1 indent ) With temperature compensation
90.2 . (1 indent ) With compound movement of cam follower
90.21 . (1 indent ) Follower displaced axially of camshaft
90.22 . (1 indent ) Plural valve trains, single actuator
90.23 .. (2 indent ) Intake and exhaust
90.24 . (1 indent ) Valve driven closed
90.25 .. (2 indent ) By valve-opening rocker
90.26 .. (2 indent ) By cam-actuated unitary follower
90.27 . (1 indent ) Overhead camshaft
90.28 . (1 indent ) With nonvalving movement (e.g., about valve stem)
90.29 .. (2 indent ) Oscillating movement converted internally
90.3 .. (2 indent ) Positive rotation provided by internal means
90.31 . (1 indent ) Camshaft drive means
90.32 . (1 indent ) With alternate interruption of drive train
90.33 . (1 indent ) Lubrication
90.34 .. (2 indent ) Camshaft
90.35 .. (2 indent ) Tappet as conduit
90.36 .. (2 indent ) Rocker fulcrum as conduit
90.37 .. (2 indent ) Seals and shields
90.38 .. (2 indent ) Housings
90.39 . (1 indent ) Rocker
90.4 .. (2 indent ) Plural valves
90.41 .. (2 indent ) Individually fulcrumed
90.42 ... (3 indent ) Rotation prevention
90.43 ... (3 indent ) Lash adjustment at fulcrum
90.44 .. (2 indent ) Cam engaged
90.45 .. (2 indent ) Lash adjustment
90.46 ... (3 indent ) Hydraulic
90.47 .. (2 indent ) Yieldable engagement
90.48 . (1 indent ) Tappet
90.49 .. (2 indent ) Cushion and silencer
90.5 .. (2 indent ) Rotation prevention
90.51 .. (2 indent ) Composition, surface treatment manufacture
90.52 .. (2 indent ) Lash adjustment
90.53 ... (3 indent ) Self-operating
90.54 .... (4 indent ) Screw
90.55 .... (4 indent ) Hydraulic
90.56 .... • (5 indent ) Pressure flow upwardly into pressure chamber
90.57 .... • (5 indent ) Vent or bleed means for pressure chamber
90.58 .... • (5 indent ) Self-contained
90.59 .... • (5 indent ) With provision for horizontal positioning
90.62 .. (2 indent ) Self-adjusting
90.63 ... (3 indent ) Hydraulic
90.64 .. (2 indent ) Pull type
90.65 . (1 indent ) Spring
90.66 .. (2 indent ) Attenuated
90.67 .. (2 indent ) Seat and retainer
145R . (1 indent ) Incandescent
146 .. (2 indent ) Valve controlled
145A .. (2 indent ) Electric (incandescent ignitors using electricity as a source of heat)
147 .. (2 indent ) Low tension
149R .. (2 indent ) Dynamos
149A ... (3 indent ) Inductor type
149B ... (3 indent ) Impulse starters
149D ... (3 indent ) Flywheel type
149E ... (3 indent ) Oscillating armature type
149F ... (3 indent ) Special waveforms
149FA .... (4 indent ) Double current generators
149G ... (3 indent ) Movable pole shoes and bell-magnets
149H ... (3 indent ) Reciprocating
150 .. (2 indent ) Combined adjusting and exhaust regulating
151 .. (2 indent ) Combined sparker and valve
152 .. (2 indent ) Combined valve and sparker operating
169R .. (2 indent ) Plugs
169CL ... (3 indent ) Cleaners automatic
169CM .... (4 indent ) Cleaners manual
169CA ... (3 indent ) Compound insulation
169CB ... (3 indent ) Core retaining
169DW ... (3 indent ) Disk wrappings type
169EL ... (3 indent ) Electrodes
169EA ... (3 indent ) Adjustable gap
169EB ... (3 indent ) Replaceable electrode
169EC ... (3 indent ) Adjustable and replaceable
169C ... (3 indent ) Cool
169E ... (3 indent ) Insulated electrodes
169G ... (3 indent ) Intensity in gap only
169P ... (3 indent ) Insulating protecting
169PA .... (4 indent ) Tubes and attachments
169PB .... (4 indent ) Heaters
169PH .... (4 indent ) Hoods and shields
169MG ... (3 indent ) Multiple firing gap
169TC ... (3 indent ) Transparent combustion chamber
169V ... (3 indent ) Valved
153 .. (2 indent ) Make and break
154 ... (3 indent ) Electromagnetic
155 ... (3 indent ) Pneumatic
162 ... (3 indent ) Piston-operated
156 ... (3 indent ) Reciprocating electrode
157 ... (3 indent ) Rocking-electrode hammer action
158 ... (3 indent ) Rocking and rigid electrodes
159 ... (3 indent ) Rocking and yielding electrodes
160 ... (3 indent ) Oscillating electrodes
161 ... (3 indent ) Rotary electrodes
163 ... (3 indent ) Stationary-electrode structure
164 ... (3 indent ) Adjusting mechanism
146.5B .. (2 indent ) Ignition locks
146.5C .. (2 indent ) Fluid level or pressure-actuated ignition switches
146.5D .. (2 indent ) Devices for opening the ignition circuit when engine stops in order to save battery
143A . (1 indent ) High compression igniters
143B . (1 indent ) Special charge igniters
143C . (1 indent ) Insulated casing enclosing wires leading to plugs, distributor, etc.
192.1 VIBRATION COMPENSATING DEVICE
192.2 . (1 indent ) Balancing arrangement
197.1 TRANSMISSION MECHANISM FROM PISTON
197.5 . (1 indent ) Including clutch
197.2 . (1 indent ) With particular piston
197.4 . (1 indent ) Crankshaft and connecting rod
197.3 .. (2 indent ) Particular connecting rod
179.2 . (1 indent ) Remote control
179.3 . (1 indent ) Condition responsive control of starting device
179.4 .. (2 indent ) Including automatic engine stop
179.5 . (1 indent ) Control of spark ignition during starting
179.6 . (1 indent ) Control of glow plug during starting
179.7 . (1 indent ) Auxiliary fuel supply device
179.8 .. (2 indent ) Starting fluid
179.9 .. (2 indent ) Priming means
179.11 ... (3 indent ) Manual pump device or squeeze bulb
179.12 ... (3 indent ) Condition responsive
179.13 .... (4 indent ) Temperature
179.14 .. (2 indent ) Condition responsive
179.15 ... (3 indent ) Temperature
179.16 . (1 indent ) With fuel or intake air control
179.17 .. (2 indent ) Fuel injection pump
179.18 .. (2 indent ) Intake air control
179.19 . (1 indent ) Includes auxiliary internal combustion engine
179.21 . (1 indent ) With charge or cylinder heating
179.22 . (1 indent ) Inertia type
179.24 . (1 indent ) Either power or manual starting device
179.27 . (1 indent ) For airplane
185.7 .. (2 indent ) Manual type
179.28 . (1 indent ) With electric generating means
179.29 .. (2 indent ) Auxiliary magneto
179.31 . (1 indent ) Having fluid-driven starting motor
183.1 . (1 indent ) Gunpowder type
182.1 . (1 indent ) Compression relieving type
179.25 . (1 indent ) Having specific mounting or drive connection for electric starter motor
179.26 .. (2 indent ) For nonoperator supporting wheeled platform
185.1 . (1 indent ) Mechanical
185.14 .. (2 indent ) Includes mechanical potential motor (e.g., spring motor)
185.15 ... (3 indent ) Operated by wheels of vehicle
185.2 .. (2 indent ) Includes cable
185.3 ... (3 indent ) Including recoil mechanism
185.4 .... (4 indent ) Lever connected to the cable
185.5 .. (2 indent ) Includes lever or slide linkage
185.6 ... (3 indent ) Lever or slide actuates a gear segment
185.8 .. (2 indent ) Includes friction means in linkage
185.9 .. (2 indent ) Includes coaxial cooperating threaded members in linkage
185.11 .. (2 indent ) Includes worm gear in linkage
185.12 .. (2 indent ) Including crank-type handle
185.13 ... (3 indent ) Means provided to prevent counter rotation of crank
184.1 . (1 indent ) With auxiliary igniters
184.22 . (1 indent ) Passage to crankcase
184.23 .. (2 indent ) For use with carburetor upstream of manifold
184.24 .. (2 indent ) Manifold having plenum
184.25 ... (3 indent ) Plural plenums
184.26 .... (4 indent ) Interconnection between plenums
184.27 .. (2 indent ) Multiple passage leading to inlet of head
184.28 . (1 indent ) For engine having radiating cylinders
184.29 .. (2 indent ) Star-type engine
184.31 .. (2 indent ) For V-type engine
184.32 ... (3 indent ) For use with carburetor upstream of manifold
184.33 .... (4 indent ) Inlet manifold heated by outlet manifold
184.34 ... (3 indent ) Manifold having plenum
184.35 .... (4 indent ) Plural plenums
184.36 .... • (5 indent ) Interconnected between plenums
184.37 ... (3 indent ) Multiple passage leading to inlet of one cylinder
184.38 . (1 indent ) For in-line engine
184.39 .. (2 indent ) For use with carburetor upstream of manifold
184.41 ... (3 indent ) Intake manifold heated by outlet manifold
184.42 .. (2 indent ) Manifold having plenum
184.43 ... (3 indent ) Plural plenums
184.44 .... (4 indent ) Interconnection between plenums
184.45 .. (2 indent ) Multiple passage leading to inlet of one cylinder
184.46 . (1 indent ) For use with carburetor upstream of manifold
184.47 . (1 indent ) Manifold having plenum
184.48 .. (2 indent ) Plural plenums
184.49 ... (3 indent ) Interconnection between plenums
184.51 .. (2 indent ) Adjustable plenum
184.52 . (1 indent ) Multiple passage leading to inlet of one cylinder
184.53 . (1 indent ) Manifold tuning, balancing or pressure regulating means
184.54 .. (2 indent ) With back flow prevention valve
184.55 .. (2 indent ) Adjustable length passage
184.56 .. (2 indent ) Adjustable cross section passage
184.57 .. (2 indent ) Resonator chamber
184.58 .. (2 indent ) Return loop to inlet
184.59 .. (2 indent ) Interconnection between passages
184.61 . (1 indent ) Manifold material or composition
142.5E . (1 indent ) Electric heaters for heating cooling system
658 . (1 indent ) L- or T-shaped
659 . (1 indent ) Having groove to aid combustion
660 . (1 indent ) An acoustic cavity used to attenuate detonation shock waves (e.g., Bodine)
661 . (1 indent ) Having squish area
662 . (1 indent ) Multiple annular combustion chambers
663 . (1 indent ) Annular combustion chamber
664 . (1 indent ) Combustion chamber shape is a figure of revolution
665 .. (2 indent ) Spherical
666 .. (2 indent ) Hemispherical
667 . (1 indent ) Asymmetric combustion chamber
668 . (1 indent ) Having coating or liner
669 .. (2 indent ) With means for mounting coating or liner
670 . (1 indent ) Having catalytic cambustion aid
671 . (1 indent ) Cylinder head shape conforms to piston shape
193.1 PARTICULAR PISTON AND ENCLOSING CYLINDER CONSTRUCTION
193.5 . (1 indent ) Cylinder head
193.3 .. (2 indent ) Having detail of connection to other cylinder structure
193.6 . (1 indent ) Piston
193.4 .. (2 indent ) Having detail to guiding structure cooperating with cylinder
193.2 . (1 indent ) Cylinder detail
189 . (1 indent ) Detachable
188.14 . (1 indent ) Valve head cooperates with manifold
188.4 . (1 indent ) Reciprocating valve
188.15 .. (2 indent ) Shepherd type
188.2 .. (2 indent ) Poppet
188.16 ... (3 indent ) Pivoted
188.3 ... (3 indent ) Material or structure
188.5 .. (2 indent ) Sleeve
190.1 . (1 indent ) Rotary
190.13 ... (3 indent ) With lubrication means
190.3 .. (2 indent ) For crankcase
190.4 .. (2 indent ) Double function type
190.5 ... (3 indent ) For two or more cylinders
190.6 ... (3 indent ) Elongated rotary double-function valve
190.7 .... (4 indent ) Tapered
190.8 ... (3 indent ) In horizontal plane above cylinder
190.9 .... (4 indent ) Tapered
190.11 ... (3 indent ) In horizontal plane on the side of the cylinder
190.14 .. (2 indent ) Disc, cone, or sphere shaped
190.15 ... (3 indent ) Controls plural cylinders
190.2 .. (2 indent ) Single function, (i.e., exhaust and intake by separate tube)
190.16 .. (2 indent ) Lubricant
188.6 . (1 indent ) Packing
188.7 . (1 indent ) Combustion improving accessory
188.8 . (1 indent ) Valve seat relation
188.9 . (1 indent ) Guide, lubricant, or coolant
188.11 . (1 indent ) Wear feature
188.12 .. (2 indent ) For spring
188.13 ... (3 indent ) Including attaching means
188.17 . (1 indent ) Having actuation springs concentric with valve stem
195A . (1 indent ) Auxiliaries, brackets
195C . (1 indent ) All covers
195E . (1 indent ) Electrical
195P . (1 indent ) Outboard motor frames
195S . (1 indent ) Sheet metal frames
195AC . (1 indent ) Inclined cylinder
195H . (1 indent ) Horizontal stress members
195HC . (1 indent ) Horizontal cylinder
196A . (1 indent ) Filtering
196CP . (1 indent ) Crankcase, pressure control
196AB . (1 indent ) Heating and cooling
196M . (1 indent ) Upper cylinder lubricants
196S . (1 indent ) Safety devices
196V . (1 indent ) Sleeve valve lubrication
196W . (1 indent ) Vertical shaft
198A . (1 indent ) Decarbonizers and antiknocks
198B . (1 indent ) Antitheft valves and locks
198D . (1 indent ) Safety devices
198DA . (1 indent ) Bearing wear, cylinder, oil drain, auto ignition
198DB . (1 indent ) Fuel cut-off
198DC . (1 indent ) Ignition cut-off control
198E . (1 indent ) Covers, trays, vibrators, corrosion inhibitors, air filters
198F . (1 indent ) Cylinder cut out
198P . (1 indent ) Pressurizing - crankcase, clutch housing, transmission housing
FOR000 CLASS-RELATED FOREIGN DOCUMENTS
Any foreign patents or non-patent literature from subclasses that have been reclassified have been transferred directly to FOR Collections listed below. These Collections contain ONLY foreign patents or non-patent literature. The parenthetical references in the Collection titles refer to the abolished subclasses from which these Collections were derived.
FOR100 . (1 indent ) Spark delaying (123/186.1)
FOR101 SPARK IGNITION TIMING CONTROL (123/406)
FOR102 . (1 indent ) Vacuum timing control (123/407)
FOR103 .. (2 indent ) Multiple diaphragms (123/408)
FOR104 .. (2 indent ) Fluid delay in fluid path line from vacuum source (123/409)
FOR105 .. (2 indent ) Including sensor responsive to barometric pressure to alter vacuum level (123/410)
FOR106 .. (2 indent ) Increasing vacuum retards the spark (123/411)
FOR107 . (1 indent ) Barometric pressure responsive controller (123/412)
FOR108 . (1 indent ) By mechanical or hydraulic link to throttle valve or accelerator (123/413)
FOR109 . (1 indent ) Having engine shaft position sensor (123/414)
FOR110 . (1 indent ) Analog electronic control (123/415)
FOR111 . (1 indent ) Digital electronic control (123/416)
FOR112 .. (2 indent ) Having microprocessor (123/417)
FOR113 . (1 indent ) Speed responsive (123/418)
FOR114 .. (2 indent ) Responsive to instantaneous changes in engine speed (e.g., roughness) (123/419)
FOR115 .. (2 indent ) Centrifugal timing mechanism (123/420)
FOR116 . (1 indent ) Ambient or engine temperature responsive (123/421)
FOR117 . (1 indent ) Acceleration responsive (123/422)
FOR118 . (1 indent ) Deceleration responsive (123/423)
FOR119 . (1 indent ) Starting or cold running condition responsive (123/424)
FOR120 . (1 indent ) Cylinder pressure or cylinder temperature responsive (123/425)
FOR121 . (1 indent ) Feedback correction (123/426)
FOR122 . (1 indent ) Timing control derived from ignition capacitor (123/427)
FOR123 . (1 indent ) Having circuit that alters response of an oscillatory engine shaft position sensing circuit (123/428)
FOR124 . (1 indent ) Exhaust gas used with the combustible mixture (e.g., emission control (e.g.r. valve) (123/568)
FOR125 .. (2 indent ) Diesel engine (123/569)
FOR126 .. (2 indent ) Exhaust gas cooled before recirculation (123/570)
FOR127 .. (2 indent ) Electrical control of e.g.r. valve (e.g., between exhaust gas and intake manifold) (123/571)
FOR128 ... (3 indent ) Having controllable timing means (123/602)
DIG2 ACCUMULATED FUEL RETURN TO TANK OR ENGINE-INDUCTION SYSTEM
DIG5 CRANKCASE PRESSURE-OPERATED PUMPS
DIG8 MULTIPLE ENGINE UNITS
DIG10 FLUIDIC AMPLIFIER FUEL CONTROL
DIG11 ANTIDIESELING (STOPPING)
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