Version: 2025.01
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CPC | COOPERATIVE PATENT CLASSIFICATION | ||||||||||||
| F01L | CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES [2021-01] NOTES
WARNING
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Valve-gear or valve arrangements for positive-displacement machines or engines other than steam engines, e.g. for internal-combustion piston engines, without provision for variable fluid distribution [2021-01] |
F01L 1/00 | Valve-gear or valve arrangements, e.g. lift-valve gear (lift-valve and valve-seat assemblies per se F01L 3/00; slide-valve gear F01L 5/00; actuated non-mechanically F01L 9/00; valve arrangements in working piston or piston rod F01L 11/00; modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations F01L 13/00) [2013-01] |
F01L 1/02 | . |
F01L 1/022 | . . | {Chain drive} [2013-01] |
F01L 1/024 | . . | {Belt drive} [2013-01] |
F01L 1/026 | . . | {Gear drive} [2013-01] |
F01L 2001/028 | . . | {Pre-assembled timing arrangement, e.g. located in a cassette} [2013-01] |
F01L 1/04 | . . | by means of cams, camshafts, cam discs, eccentrics or the like (F01L 1/10 takes precedence) [2013-01] |
F01L 1/042 | . . . | {Cam discs} [2013-01] |
F01L 1/044 | . . . | {Reciprocating cams} [2023-05] |
F01L 1/047 | . . . | Camshafts [2013-01] |
F01L 2001/0471 | . . . . | {Assembled camshafts} [2018-08] |
F01L 2001/0473 | . . . . . | {Composite camshafts, e.g. with cams or cam sleeve being able to move relative to the inner camshaft or a cam adjusting rod} [2016-08] |
F01L 2001/0475 | . . . . | {Hollow camshafts} [2021-01] |
F01L 2001/0476 | . . . . | {Camshaft bearings} [2013-01] |
F01L 2001/0478 | . . . . | {Torque pulse compensated camshafts} [2013-01] |
F01L 1/053 | . . . . | overhead type [2013-01] |
F01L 1/0532 | . . . . . | {the cams being directly in contact with the driven valve} [2013-01] |
F01L 2001/0535 | . . . . . | {Single overhead camshafts [SOHC]} [2013-01] |
F01L 2001/0537 | . . . . . | {Double overhead camshafts [DOHC]} [2013-01] |
F01L 2001/054 | . . . . | {Camshafts in cylinder block} [2013-01] |
F01L 1/06 | . . . | the cams, or the like, rotating at a higher speed than that corresponding to the valve cycle, e.g. operating fourstroke engine valves directly from crankshaft [2013-01] |
F01L 1/08 | . . . | Shape of cams [2013-01] |
F01L 1/10 | . . | by means of crank-or eccentric-driven rods [2023-05] |
F01L 1/12 | . | Transmitting gear between valve drive and valve (simultaneously operating two or more valves F01L 1/26) [2013-01] |
F01L 1/14 | . . | Tappets {(hydraulic tappets for automatically adjusting or compensating clearance F01L 1/24)}; Push rods [2013-01] |
F01L 1/143 | . . . | {for use with overhead camshafts} [2013-01] |
F01L 1/146 | . . . | {Push-rods} [2013-01] |
F01L 1/16 | . . . | Silencing impact; Reducing wear [2013-01] |
F01L 1/18 | . . | Rocking arms or levers [2013-01] |
F01L 1/181 | . . . | {Centre pivot rocking arms} [2013-01] |
F01L 1/182 | . . . . | {the rocking arm being pivoted about an individual fulcrum, i.e. not about a common shaft} [2013-01] |
F01L 1/185 | . . . | {Overhead end-pivot rocking arms} [2013-01] |
F01L 2001/186 | . . . | {Split rocking arms, e.g. rocker arms having two articulated parts and means for varying the relative position of these parts or for selectively connecting the parts to move in unison} [2013-01] |
F01L 2001/187 | . . . | {Clips, e.g. for retaining rocker arm on pivot} [2013-01] |
F01L 2001/188 | . . . | {Fulcrums at upper surface} [2013-01] |
F01L 1/20 | . | Adjusting or compensating clearance [2013-01] |
F01L 1/205 | . . | {by means of shims or the like} [2013-01] |
F01L 1/22 | . . | automatically, e.g. mechanically [2013-01] |
F01L 1/24 | . . . | by fluid means, e.g. hydraulically [2013-01] |
F01L 1/2405 | . . . . | {by means of a hydraulic adjusting device located between the cylinder head and rocker arm} [2013-01] |
F01L 1/2411 | . . . . | {by means of a hydraulic adjusting device located between the valve stem and rocker arm} [2013-01] |
F01L 1/2416 | . . . . | {by means of a hydraulic adjusting device attached to an articulated rocker} [2013-01] |
F01L 1/2422 | . . . . | {by means or a hydraulic adjusting device located between the push rod and rocker arm} [2013-01] |
F01L 2001/2427 | . . . . | {by means of an hydraulic adjusting device located between cam and push rod} [2013-01] |
F01L 2001/2433 | . . . . | {Self contained, e.g. sealed hydraulic lash adjusters} [2013-01] |
F01L 2001/2438 | . . . . | {with means permitting forced opening of check valve} [2013-01] |
F01L 2001/2444 | . . . . | {Details relating to the hydraulic feeding circuit, e.g. lifter oil manifold assembly [LOMA]} [2013-01] |
F01L 1/245 | . . . . | Hydraulic tappets [2013-01] |
F01L 1/25 | . . . . . | between cam and valve stem [2013-01] |
F01L 1/252 | . . . . . . | {for side-valve engines} [2013-01] |
F01L 1/255 | . . . . . | between cam and rocker arm [2013-01] |
F01L 2001/256 | . . . . . | {between cam and push rod} [2013-01] |
F01L 1/26 | . | characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder (with coaxial valves F01L 1/28) [2013-01] |
F01L 1/262 | . . | {with valve stems disposed radially from a centre which is substantially the centre of curvature of the upper wall surface of a combustion chamber (F01L 1/265 takes precedence)} [2013-01] |
F01L 1/265 | . . | {peculiar to machines or engines with three or more intake valves per cylinder} [2013-01] |
F01L 1/267 | . . | {with means for varying the timing or the lift of the valves} [2013-01] |
F01L 1/28 | . | characterised by the provision of coaxial valves; characterised by the provision of valves co-operating with both intake and exhaust ports [2013-01] |
F01L 1/285 | . . | {Coaxial intake and exhaust valves} [2013-01] |
F01L 1/30 | . | characterised by the provision of positively opened and closed valves, i.e. desmodromic valves [2013-01] |
F01L 1/32 | . | characterised by the provision of means for rotating lift valves, e.g. to diminish wear [2013-01] |
F01L 1/34 | . | characterised by the provision of means for changing the timing of the valves without changing the duration of opening {and without affecting the magnitude of the valve lift} [2013-01] |
F01L 1/344 | . . | changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear [2013-01] |
F01L 1/34403 | . . . | {using helically teethed sleeve or gear moving axially between crankshaft and camshaft} [2013-01] |
F01L 1/34406 | . . . . | {the helically teethed sleeve being located in the camshaft driving pulley} [2013-01] |
F01L 1/34409 | . . . | {by torque-responsive means} [2013-01] |
F01L 1/34413 | . . . | {using composite camshafts, e.g. with cams being able to move relative to the camshaft} [2013-01] |
F01L 1/34416 | . . . | {using twisted cams} [2013-01] |
F01L 1/3442 | . . . | {using hydraulic chambers with variable volume to transmit the rotating force} [2013-01] |
F01L 2001/34423 | . . . . | {Details relating to the hydraulic feeding circuit} [2013-01] |
F01L 2001/34426 | . . . . . | {Oil control valves} [2013-01] |
F01L 2001/3443 | . . . . . . | {Solenoid driven oil control valves} [2013-01] |
F01L 2001/34433 | . . . . . . | {Location oil control valves} [2013-01] |
F01L 2001/34436 | . . . . . | {Features or method for avoiding malfunction due to foreign matters in oil} [2013-01] |
F01L 2001/3444 | . . . . . . | {Oil filters} [2013-01] |
F01L 2001/34443 | . . . . . . | {Cleaning control of oil control valves} [2013-01] |
F01L 2001/34446 | . . . . . | {Fluid accumulators for the feeding circuit} [2013-01] |
F01L 2001/3445 | . . . . | {Details relating to the hydraulic means for changing the angular relationship} [2013-01] |
F01L 2001/34453 | . . . . . | {Locking means between driving and driven members} [2013-01] |
F01L 2001/34456 | . . . . . . | {Locking in only one position} [2013-01] |
F01L 2001/34459 | . . . . . . | {Locking in multiple positions} [2013-01] |
F01L 2001/34463 | . . . . . . | {Locking position intermediate between most retarded and most advanced positions} [2013-01] |
F01L 2001/34466 | . . . . . . | {with multiple locking devices} [2013-01] |
F01L 2001/34469 | . . . . . . | {Lock movement parallel to camshaft axis} [2013-01] |
F01L 2001/34473 | . . . . . . | {Lock movement perpendicular to camshaft axis} [2013-01] |
F01L 2001/34476 | . . . . . . | {Restrict range locking means} [2013-01] |
F01L 2001/34479 | . . . . . | {Sealing of phaser devices} [2013-01] |
F01L 2001/34483 | . . . . . | {Phaser return springs} [2013-01] |
F01L 2001/34486 | . . . | {Location and number of the means for changing the angular relationship} [2013-01] |
F01L 2001/34489 | . . . . | {Two phasers on one camshaft} [2013-01] |
F01L 2001/34493 | . . . . | {Dual independent phasing system [DIPS]} [2013-01] |
F01L 2001/34496 | . . . . | {Two phasers on different camshafts} [2013-01] |
F01L 1/348 | . . . | by means acting on timing belts or chains [2013-01] |
F01L 1/352 | . . . | using bevel or epicyclic gear [2013-01] |
F01L 2001/3521 | . . . . | {Harmonic drive of flexspline type} [2013-01] |
F01L 2001/3522 | . . . . | {with electromagnetic brake} [2013-01] |
F01L 1/356 | . . . | making the angular relationship oscillate {, e.g. non-homokinetic drive} [2017-08] |
F01L 1/36 | . | peculiar to machines or engines of specific type other than four-stroke cycle [2013-01] |
F01L 1/38 | . . |
F01L 1/40 | . . | for engines with scavenging charge near top dead centre position, e.g. by overlapping inlet and exhaust time [2021-01] |
F01L 1/42 | . . | for machines or engines characterised by cylinder arrangements, e.g. star or fan [2013-01] |
F01L 1/44 | . | Multiple-valve gear or arrangements, not provided for in preceding subgroups, e.g. with lift and different valves [2013-01] |
F01L 1/443 | . . | {comprising a lift valve and at least one rotary valve} [2013-01] |
F01L 1/446 | . . | {comprising a lift valve and at least one reed valve} [2013-01] |
F01L 1/46 | . | Component parts, details, or accessories, not provided for in preceding subgroups [2013-01] |
F01L 1/462 | . . | {Valve return spring arrangements} [2013-01] |
F01L 1/465 | . . . | {Pneumatic arrangements} [2013-01] |
F01L 2001/467 | . . | {Lost motion springs} [2013-01] |
F01L 3/02 | . | Selecting particular materials for valve-members or valve-seats; Valve-members or valve-seats composed of two or more materials [2013-01] |
F01L 3/04 | . . | Coated valve members or valve-seats [2013-01] |
F01L 3/06 | . | Valve members or valve-seats with means for guiding or deflecting the medium controlled thereby, e.g. producing a rotary motion of the drawn-in cylinder charge (for rotating lift-valves F01L 1/32) [2013-01] |
F01L 3/08 | . | Valves guides; Sealing of valve stem, e.g. sealing by lubricant [2013-01] |
F01L 3/085 | . . | {Valve cages} [2013-01] |
F01L 3/10 | . | Connecting springs to valve members [2013-01] |
F01L 2003/11 | . | {Connecting valve members to rocker arm or tappet} [2013-01] |
F01L 3/12 | . | Cooling of valves [2013-01] |
F01L 3/14 | . . | by means of a liquid or solid coolant, e.g. sodium, in a closed chamber in a valve [2013-01] |
F01L 3/16 | . . | by means of a fluid flowing through or along valve, e.g. air [2021-01] |
F01L 3/18 | . . . | Liquid cooling of valve [2013-01] |
F01L 3/20 | . | Shapes or constructions of valve members, not provided for in preceding subgroups of this group [2013-01] |
F01L 3/205 | . . | {Reed valves} [2013-01] |
F01L 3/22 | . | Valve-seats not provided for in preceding subgroups of this group; Fixing of valve-seats [2013-01] |
F01L 3/24 | . | Safety means or accessories, not provided for in preceding sub- groups of this group [2013-01] |
F01L 2003/25 | . | {Valve configurations in relation to engine} [2013-01] |
F01L 2003/251 | . . | {Large number of valves, e.g. five or more} [2013-01] |
F01L 2003/253 | . . | {configured parallel to piston axis} [2013-01] |
F01L 2003/255 | . . | {configured other than parallel or symmetrical relative to piston axis} [2017-05] |
F01L 2003/256 | . . | {configured other than perpendicular to camshaft axis} [2013-01] |
F01L 2003/258 | . . | {opening away from cylinder} [2013-01] |
F01L 5/00 | Slide valve-gear or valve-arrangements (with pure rotary or oscillatory movement F01L 7/00) [2013-01] |
F01L 5/02 | . | with other than cylindrical, sleeve or part annularly shaped valves, e.g. with flat-type valves [2016-08] |
F01L 5/04 | . | with cylindrical, sleeve, or part-annularly shaped valves [2013-01] |
F01L 5/045 | . . | {Piston-type or cylinder-type valves arranged above the piston and coaxial with the cylinder axis} [2013-01] |
F01L 5/06 | . . | surrounding working cylinder or piston [2013-01] |
F01L 5/08 | . . . | Arrangements with several movements or several valves, e.g. one valve inside the other (with part-annularly shaped valves F01L 5/12) [2013-01] |
F01L 5/10 | . . . . | with reciprocating and other movements of the same valve [2013-01] |
F01L 5/12 | . . . | Arrangements with part-annularly-shaped valves [2013-01] |
F01L 5/14 | . | characterised by the provision of valves with reciprocating and other movements (surrounding working cylinder or piston F01L 5/06) [2013-01] |
F01L 5/16 | . . | with reciprocating and other movement of same valve, e.g. longitudinally of working cylinder and in cross direction [2013-01] |
F01L 5/18 | . . | with reciprocatory valve and other slide valve [2013-01] |
F01L 5/20 | . |
F01L 5/22 | . |
F01L 5/24 | . | Component parts, details or accessories, not provided for in preceding subgroups in this group [2013-01] |
F01L 7/00 | Rotary or oscillatory slide valve-gear or valve arrangements (slide valves with combined rotary and non-rotary movements, combinations of rotary and non-rotary slide valves F01L 5/00) [2013-01] |
F01L 7/02 | . |
F01L 7/021 | . . | {with one rotary valve} [2013-01] |
F01L 7/022 | . . . | {Cylindrical valves having one recess communicating successively with aligned inlet and exhaust ports} [2013-01] |
F01L 7/023 | . . . | {Cylindrical valves having a hollow or partly hollow body allowing axial inlet or exhaust fluid circulation} [2013-01] |
F01L 7/024 | . . . | {Cylindrical valves comprising radial inlet and axial outlet or axial inlet and radial outlet} [2013-01] |
F01L 7/025 | . . . | {Cylindrical valves comprising radial inlet and side outlet or side inlet and radial outlet} [2013-01] |
F01L 7/026 | . . | {with two or more rotary valves, their rotational axes being parallel, e.g. 4-stroke} [2013-01] |
F01L 7/027 | . . | {with two or more valves arranged coaxially (F01L 7/045 takes precedence)} [2013-01] |
F01L 7/028 | . . | {having the rotational axis coaxial with the cylinder axis and the valve surface not surrounding piston or cylinder} [2013-01] |
F01L 7/029 | . . | {having the rotational axis of the valve parallel to the cylinder axis} [2013-01] |
F01L 7/04 | . . | surrounding working cylinder or piston [2017-08] |
F01L 7/045 | . . . | {with two or more valves arranged coaxially} [2013-01] |
F01L 7/06 | . | with disc type valves [2013-01] |
F01L 7/08 | . | with conically or frusto-conically shaped valves [2013-01] |
F01L 7/10 | . | with valves of other specific shape, e.g. spherical [2013-01] |
F01L 7/12 | . |
F01L 7/14 | . |
F01L 7/16 | . | Sealing or packing arrangements specially therefor [2013-01] |
F01L 7/18 | . | Component parts, details, or accessories not provided for in preceding subgroups of this group [2017-08] |
F01L 9/00 | Valve-gear or valve arrangements actuated non-mechanically [2013-01] |
F01L 9/10 | . | by fluid means, e.g. hydraulic [2021-01] |
F01L 9/11 | . . | in which the action of a cam is being transmitted to a valve by a liquid column [2021-01] |
F01L 9/12 | . . . | with a liquid chamber between a piston actuated by a cam and a piston acting on a valve stem [2021-01] |
F01L 9/14 | . . . . | the volume of the chamber being variable, e.g. for varying the lift or the timing of a valve [2021-01] |
F01L 9/16 | . . | Pneumatic means [2021-01] |
F01L 9/18 | . . | Means for increasing the initial opening force on the valve [2021-01] |
F01L 9/20 | . | by electric means [2021-01] |
F01L 9/21 | . . | actuated by solenoids [2021-01] |
F01L 2009/2103 | . . . | {comprising one coil} [2021-01] |
F01L 2009/2105 | . . . | {comprising two or more coils} [2021-01] |
F01L 2009/2107 | . . . . | {being disposed coaxially to the armature shaft} [2021-01] |
F01L 2009/2109 | . . . . | {The armature being articulated perpendicularly to the coils axes} [2021-01] |
F01L 2009/2115 | . . . | {Moving coil actuators} [2021-01] |
F01L 2009/2117 | . . . | {Floating actuators for varying the valve stroke} [2021-01] |
F01L 2009/2125 | . . . | {Shaft and armature construction} [2021-01] |
F01L 2009/2126 | . . . . | {Arrangements for amplifying the armature stroke} [2021-01] |
F01L 2009/2128 | . . . | {Core and coil construction} [2021-01] |
F01L 2009/213 | . . . | {Casing construction} [2021-01] |
F01L 2009/2132 | . . . | {Biasing means} [2021-01] |
F01L 2009/2134 | . . . . | {Helical springs} [2021-01] |
F01L 2009/2136 | . . . . . | {Two opposed springs for intermediate resting position of the armature} [2021-01] |
F01L 2009/2138 | . . . . | {Torsion springs} [2021-01] |
F01L 2009/214 | . . . . | {Pneumatic springs} [2021-01] |
F01L 2009/2142 | . . . . | {Means for varying the spring bias} [2021-01] |
F01L 2009/2144 | . . . . | {Means for connecting springs to valve or anchor} [2021-01] |
F01L 2009/2146 | . . . | {Latching means} [2021-01] |
F01L 2009/2148 | . . . . | {using permanent magnet} [2021-01] |
F01L 2009/2149 | . . . | {Means for varying the air gap} [2021-01] |
F01L 2009/2151 | . . . | {Damping means} [2021-01] |
F01L 2009/2153 | . . . | {Means for counteracting cylinder pressure} [2021-01] |
F01L 2009/2155 | . . . | {Lash adjusting means} [2021-01] |
F01L 2009/2157 | . . . | {Actuator cooling means} [2021-01] |
F01L 2009/2159 | . . . | {Means for facilitating assembly} [2021-01] |
F01L 2009/2161 | . . . | {Wiring} [2021-01] |
F01L 2009/2163 | . . . . | {Connectors} [2021-01] |
F01L 2009/2165 | . . . . | {Harnesses} [2021-01] |
F01L 2009/2167 | . . . | {Sensing means} [2021-01] |
F01L 2009/2169 | . . . . | {Position sensors} [2021-01] |
F01L 2009/2171 | . . . . | {Vibration sensors} [2021-01] |
F01L 2009/2173 | . . . . | {Temperature sensors} [2021-01] |
F01L 2009/2174 | . . . . | {Flux sensors} [2021-01] |
F01L 2009/2176 | . . . . | {Spring force sensors} [2021-01] |
F01L 9/22 | . . | actuated by rotary motors [2021-01] |
F01L 9/24 | . . | Piezoelectric actuators [2024-01] |
F01L 2009/25 | . . | {Mixed arrangement with both mechanically and electromagnetically actuated valves} [2021-01] |
F01L 9/26 | . . | Driving circuits therefor [2021-01] |
F01L 9/30 | . | Arrangements for setting the actuator position, e.g. the initial position [2021-01] |
F01L 9/40 | . | Methods of operation thereof; Control of valve actuation, e.g. duration or lift [2021-01] |
F01L 2009/408 | . . | {Engine starting} [2021-01] |
F01L 2009/4082 | . . . | {in normal conditions} [2021-01] |
F01L 2009/4084 | . . . | {Cold start} [2021-01] |
F01L 2009/4086 | . . | {Soft landing, e.g. applying braking current; Levitation of armature close to core surface} [2021-01] |
F01L 2009/4088 | . . | {Fail safe, e.g. valve kept closed if not opening properly} [2021-01] |
F01L 2009/409 | . . | {Determination of valve speed} [2021-01] |
F01L 2009/4092 | . . | {Determination of valve timing during particular working conditions, e.g. deceleration} [2021-01] |
F01L 2009/4094 | . . | {Engine stopping; Engine stall} [2021-01] |
F01L 2009/4096 | . . | {relating to sticking duration} [2021-01] |
F01L 2009/4098 | . . | {relating to gap between armature shaft and valve stem end} [2021-01] |
F01L 11/00 | Valve arrangements in working piston or piston-rod [2013-01] |
F01L 11/02 | . | in piston [2013-01] |
F01L 11/04 | . . | operated by movement of connecting-rod [2013-01] |
F01L 11/06 | . . . | operating oscillatory valve [2013-01] |
F01L 13/00 | Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations [2013-01] |
F01L 13/0005 | . | {Deactivating valves} [2013-01] |
F01L 2013/001 | . . | {Deactivating cylinders} [2013-01] |
F01L 13/0015 | . | {for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque} [2013-01] |
F01L 13/0021 | . . | {by modification of rocker arm ratio} [2013-01] |
F01L 13/0026 | . . . | {by means of an eccentric} [2013-01] |
F01L 13/0031 | . . | {by modification of tappet or pushrod length} [2013-01] |
F01L 13/0036 | . . | {the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction} [2013-01] |
F01L 13/0042 | . . . | {with cams being profiled in axial and radial direction} [2013-01] |
F01L 13/0047 | . . . | {the movement of the valves resulting from the sum of the simultaneous actions of at least two cams, the cams being independently variable in phase in respect of each other} [2013-01] |
F01L 2013/0052 | . . . | {with cams provided on an axially slidable sleeve} [2013-01] |
F01L 13/0057 | . . | {by splittable or deformable cams} [2013-01] |
F01L 13/0063 | . . | {by modification of cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot} [2013-01] |
F01L 2013/0068 | . . . | {with an oscillating cam acting on the valve of the "BMW-Valvetronic" type} [2013-01] |
F01L 2013/0073 | . . . | {with an oscillating cam acting on the valve of the "Delphi" type} [2013-01] |
F01L 2013/0078 | . . | {by modification of cam contact point by axially displacing the camshaft} [2013-01] |
F01L 2013/0084 | . . | {by modification of cam contact point by radially displacing the camshaft} [2013-01] |
F01L 2013/0089 | . . | {with means for delaying valve closing} [2013-01] |
F01L 2013/0094 | . . . | {with switchable clamp for keeping valve open} [2013-01] |
F01L 13/02 | . | for reversing [2013-01] |
F01L 13/04 | . | for starting by means of fluid pressure [2013-01] |
F01L 13/06 | . | for braking [2013-01] |
F01L 13/065 | . . | {Compression release engine retarders of the "Jacobs Manufacturing" type} [2013-01] |
F01L 13/08 | . | for decompression, e.g. during starting; for changing compression ratio [2013-01] |
F01L 13/085 | . . | {the valve-gear having an auxiliary cam protruding from the main cam profile} [2013-01] |
F01L 2013/10 | . | {Auxiliary actuators for variable valve timing} [2013-01] |
F01L 2013/101 | . . | {Electromagnets} [2013-01] |
F01L 2013/103 | . . | {Electric motors} [2013-01] |
F01L 2013/105 | . . | {Hydraulic motors} [2013-01] |
F01L 2013/106 | . . | {Pneumatic motors} [2013-01] |
F01L 2013/108 | . . | {Centrifugal force} [2013-01] |
F01L 2013/11 | . | {Sensors for variable valve timing} [2013-01] |
F01L 2013/111 | . . | {Camshafts position or phase} [2013-01] |
F01L 2013/113 | . . | {crankshafts position} [2013-01] |
F01L 2013/115 | . . | {Pressure} [2013-01] |
F01L 2013/116 | . . | {Temperature} [2013-01] |
F01L 2013/118 | . . | {Valve lift} [2013-01] |
| Valve-gear or valve arrangements specially adapted for steam engines, or specially adapted for other positive-displacement machines or engines with variable working-fluid distribution [2021-01] NOTES
|
F01L 15/00 | Valve-gear or valve arrangements, e.g. with reciprocatory slide valves, other than provided for in groups F01L 17/00 - F01L 29/00 (valve drive or external valve-adjustment during operation, tripping-gear or tripping of valves F01L 31/00) [2021-01] |
F01L 15/02 | . | with valves other than cylindrical, sleeve, or part-annularly-shaped, e.g. flat D-valves [2013-01] |
F01L 15/04 | . . |
F01L 15/06 | . . . | of Meyer or Rider type, i.e. in which the expansion is varied at the expansion valve itself [2013-01] |
F01L 15/08 | . | with cylindrical, sleeve, or part-annularly-shaped valves; Such main valves combined with auxiliary valves [2017-08] |
F01L 15/10 | . | with main slide valve and auxiliary valve dragged thereby [2013-01] |
F01L 15/12 | . | characterised by having means for effecting pressure equilibrium between two different cylinder spaces at idling [2013-01] |
F01L 15/14 | . | Arrangements with several co-operating main valves, e.g. reciprocatory and rotary [2013-01] |
F01L 15/16 | . . | with reciprocatory slide valves only [2013-01] |
F01L 15/18 | . | Valves arrangements not provided for in preceding subgroups of this main group [2017-08] |
F01L 15/20 | . | Component parts, details, or accessories, not provided for in preceding subgroups of this main group [2017-08] |
F01L 17/00 | Slide valve-gear or valve arrangements with cylindrical, sleeve, or part annularly-shaped valves surrounding working cylinder or piston [2013-01] |
F01L 17/02 | . | Drive or adjustment during operation, peculiar thereto, e.g. for reciprocating and oscillating movements or for several valves one inside the other [2013-01] |
F01L 19/00 | Slide valve-gear or valve arrangements with reciprocatory and other movement of same valve, other than provided for in F01L 17/00, e.g. longitudinally of working cylinder and in cross direction [2013-01] |
F01L 19/02 | . | Drive or adjustment during operation, peculiar thereto [2013-01] |
F01L 21/00 | Use of working pistons or pistons-rods as fluid-distributing valves or as valve-supporting elements, e.g. in free-piston machines [2017-08] |
F01L 21/02 | . |
F01L 21/04 | . | Valves arranged in or on piston or piston-rod [2013-01] |
F01L 23/00 | Valves controlled by impact by piston, e.g. in free-piston machines [2021-01] |
F01L 25/00 | Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means [2013-01] |
F01L 25/02 | . | by fluid means [2013-01] |
F01L 25/04 | . . | by working-fluid of machine or engine, e.g. free-piston machine [2013-01] |
F01L 25/06 | . . . | Arrangements with main and auxiliary valves, at least one of them being fluid-driven [2017-08] |
F01L 25/063 | . . . . | {the auxiliary valve being actuated by the working motor-piston or piston-rod} [2013-01] |
F01L 25/066 | . . . . | {piston or piston-rod being used as auxiliary valve} [2013-01] |
F01L 25/08 | . | by electric or magnetic means [2013-01] |
F01L 27/00 | Distribution or expansion valve-gear peculiar to free-piston machines or engines and not provided for in F01L 21/00 - F01L 25/00 [2016-05] |
F01L 27/02 | . | the machine or engine having rotary or oscillatory valves [2013-01] |
F01L 27/04 | . | Delayed-action controls, e.g. of cataract or dashpot type [2013-01] |
F01L 29/00 | Reversing-gear [2021-01] |
F01L 29/02 | . | by displacing eccentric [2013-01] |
F01L 29/04 | . | by links or guide rods [2013-01] |
F01L 29/06 | . | by interchanging inlet and exhaust ports [2013-01] |
F01L 29/08 | . | specially for rotary or oscillatory valves [2013-01] |
F01L 29/10 | . | Details, e.g. drive [2013-01] |
F01L 29/12 | . . | Powered reverse gear [2013-01] |
F01L 31/00 | Valve drive, valve adjustment during operation, or other valve control, not provided for in groups F01L 15/00 - F01L 29/00 (sensing elements measuring the variable or condition to be controlled or regulated F01B 25/04) [2021-01] |
F01L 31/02 | . |
F01L 31/04 | . . | with positively-driven trip levers [2013-01] |
F01L 31/06 | . | with tripping-gear specially for oscillatory valves; Oscillatory tripping-valves, e.g. of Corliss type [2013-01] |
F01L 31/08 | . | Valve drive or valve adjustment, apart from tripping aspects; Positively-driven gear [2013-01] |
F01L 31/10 | . . |
F01L 31/12 | . . . | Valve adjustment by displacing eccentric [2013-01] |
F01L 31/14 | . . | Valve adjustment by links or guide rods, e.g. in valve-gears with eccentric drive [2017-08] |
F01L 31/16 | . . | the drive being effected by specific means other than eccentric, e.g. cams; Valve adjustment in connection with such drives [2013-01] |
F01L 31/18 | . . | specially for rotary or oscillatory valves [2013-01] |
Rotary or oscillatory slide valve-gear or lift-valve-gear or such valve arrangements specially for steam engines or specially for other machines or engines with variable working-fluid distribution (drive adjustment during operation, tripping-gear, reversing-gear, use of working pistons or piston-rods as valves or as valves-supporting elements, valve-gear or valve arrangements peculiar to free-piston machines or engines F01L 15/00 - F01L 31/00) [2016-05] |
F01L 33/00 | Rotary or oscillatory slide valve-gear or valve arrangements, specially adapted for machines or engines with variable fluid distribution (drive, adjustment during operation, tripping-gear, reversing-gear, use of working pistons or piston-rods as valves or as valve-supporting elements, valve-gear or valve arrangements peculiar to free-piston machines or engines F01L 15/00 - F01L 31/00) [2016-05] |
F01L 33/02 | . | rotary [2013-01] |
F01L 33/04 | . | oscillatory [2013-01] |
F01L 35/00 | Lift valve-gear or valve arrangements specially adapted for machines or engines with variable fluid distribution (drive, adjustment during operation, tripping-gear, reversing-gear, use of working pistons or piston-rods as valves or as valve-supporting elements, valve-gear or valve arrangements peculiar to free-piston machines or engines F01L 15/00 - F01L 31/00) [2016-05] |
F01L 35/02 | . | Valves [2013-01] |
F01L 35/04 | . | Arrangements of valves in the machine or engine, e.g. relative to working cylinder [2013-01] |
F01L 2201/00 | Electronic control systems; Apparatus or methods therefor [2013-01] |
F01L 2250/00 | Camshaft drives characterised by their transmission means [2013-01] |
F01L 2250/02 | . | the camshaft being driven by chains [2013-01] |
F01L 2250/04 | . | the camshaft being driven by belts [2013-01] |
F01L 2250/06 | . | the camshaft being driven by gear wheels [2013-01] |
F01L 2301/00 | Using particular materials [2020-05] |
F01L 2301/02 | . | Using ceramic materials [2020-05] |
F01L 2303/00 | Manufacturing of components used in valve arrangements [2020-05] |
F01L 2303/01 | . | Tools for producing, mounting or adjusting, e.g. some part of the distribution [2020-05] |
F01L 2303/02 | . | Initial camshaft settings [2020-05] |
F01L 2305/00 | Valve arrangements comprising rollers [2020-05] |
F01L 2305/02 | . | Mounting of rollers [2020-05] |
F01L 2307/00 | Preventing the rotation of tappets [2020-05] |
F01L 2309/00 | Self-contained lash adjusters [2020-05] |
F01L 2311/00 | Differential gears located between crankshafts and camshafts for varying the timing of valves [2020-05] |
F01L 2313/00 | Rotary valve drives [2020-05] |
F01L 2710/00 | Control of valve gear, speed or power [2013-01] |
F01L 2710/003 | . | Control of valve gear for two stroke engines [2013-01] |
F01L 2710/006 | . | Safety devices therefor [2013-01] |
F01L 2740/00 | Control of slide-valve gear; Control pistons [2013-01] |
F01L 2740/003 | . | more than one slide-valve, e.g. for four stroke engines [2013-01] |
F01L 2740/006 | . | more than one slide-valve, e.g. for two stroke engines [2013-01] |
F01L 2750/00 | Control of valve gear for four stroke engines directly driven by the crankshaft [2013-01] |
F01L 2760/00 | Control of valve gear to facilitate reversing, starting, braking of four stroke engines [2013-01] |
F01L 2760/001 | . | for starting four stroke engines [2013-01] |
F01L 2760/002 | . | for reversing or starting four stroke engines [2013-01] |
F01L 2760/003 | . | for switching to compressor action in order to brake [2013-01] |
F01L 2760/004 | . . | whereby braking is exclusively produced by compression in the cylinders [2013-01] |
F01L 2760/005 | . . | in cooperation with vehicle transmission or brakes; devices to facilitate switching to compressor action by means of other control devices, e.g. acceleration pedal or clutch [2013-01] |
F01L 2760/006 | . | for reversing two stroke engines [2013-01] |
F01L 2760/007 | . | for starting two stroke engines [2013-01] |
F01L 2760/008 | . | for reversing and restarting two stroke engines [2018-01] |
F01L 2800/00 | Methods of operation using a variable valve timing mechanism [2013-01] |
F01L 2800/01 | . | Starting [2013-01] |
F01L 2800/02 | . | Cold running [2013-01] |
F01L 2800/03 | . | Stopping; Stalling [2013-01] |
F01L 2800/04 | . | Timing control at idling [2013-01] |
F01L 2800/05 | . | Timing control under consideration of oil condition [2013-01] |
F01L 2800/06 | . | Timing or lift different for valves of same cylinder [2013-01] |
F01L 2800/08 | . | Timing or lift different for valves of different cylinders [2013-01] |
F01L 2800/09 | . | Calibrating [2013-01] |
F01L 2800/10 | . | Providing exhaust gas recirculation [EGR] [2013-01] |
F01L 2800/11 | . | Fault detection, diagnosis [2013-01] |
F01L 2800/12 | . | Fail safe operation [2013-01] |
F01L 2800/13 | . | Throttleless [2013-01] |
F01L 2800/14 | . | Determining a position, e.g. phase or lift [2013-01] |
F01L 2800/15 | . | Balancing of rotating parts [2013-01] |
F01L 2800/16 | . | Preventing interference [2013-01] |
F01L 2800/17 | . | Maintenance; Servicing [2013-01] |
F01L 2800/18 | . | Testing or simulation [2013-01] |
F01L 2800/19 | . | Valves opening several times per stroke [2013-01] |
F01L 2810/00 | Arrangements solving specific problems in relation with valve gears [2013-01] |
F01L 2810/01 | . | Cooling [2013-01] |
F01L 2810/02 | . | Lubrication [2013-01] |
F01L 2810/03 | . | Reducing vibration [2013-01] |
F01L 2810/04 | . | Reducing noise [2013-01] |
F01L 2810/05 | . | Related to pressure difference on both sides of a valve [2013-01] |
F01L 2820/00 | Details on specific features characterising valve gear arrangements [2013-01] |
F01L 2820/01 | . | Absolute values [2013-01] |
F01L 2820/02 | . | Formulas [2013-01] |
F01L 2820/03 | . | Auxiliary actuators [2013-01] |
F01L 2820/031 | . . | Electromagnets [2013-01] |
F01L 2820/032 | . . | Electric motors [2013-01] |
F01L 2820/033 | . . | Hydraulic engines [2013-01] |
F01L 2820/034 | . . | Pneumatic engines [2013-01] |
F01L 2820/035 | . . | Centrifugal forces [2013-01] |
F01L 2820/04 | . | Sensors [2013-01] |
F01L 2820/041 | . . | Camshafts position or phase sensors [2013-01] |
F01L 2820/042 | . . | Crankshafts position [2013-01] |
F01L 2820/043 | . . | Pressure [2013-01] |
F01L 2820/044 | . . | Temperature [2013-01] |
F01L 2820/045 | . . | Valve lift [2013-01] |