| Outline |
Indent Level
| |
| Color | Curly Brackets (indicating CPC extensions to IPC) | |
CPC | COOPERATIVE PATENT CLASSIFICATION | |||
 | CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES (valves in general F16K) NOTE -
|
| Guide Heading: | Valve-gear for internal combustion piston engines or for other machines or engines with positive working-fluid displacement (valve gear specially for steam engines or specially for other machines or engines with variable fluid distribution F01L 15/00 to F01L 35/00) |
| 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) |
| . | Valve drive (transmitting-gear between valve drive and valve F01L 1/12) |
F01L 1/022 | . . | { Chain drive} |
F01L 1/024 | . . | { Belt drive} |
F01L 1/026 | . . | { Gear drive} |
| F01L 1/04 | . . | by means of cams, camshafts, cam discs, eccentrics or the like (F01L 1/10 takes precedence) |
F01L 1/042 | . . . | { Cam discs} |
F01L 1/044 | . . . | { Reciprocating cams} |
| . . . | Camshafts |
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 |
F01L 1/08 | . . . | Shape of cams |
F01L 1/10 | . . |
| F01L 1/12 | . | Transmitting gear between valve drive and valve (simultaneously operating two or more valves F01L 1/26) |
| F01L 1/14 | . . | Tappets { (hydraulic tappets for automatically adjusting or compensating clearance F01L 1/24)} ; Push rods |
F01L 1/143 | . . . | { for use with overhead camshafts} |
F01L 1/146 | . . . | { Push-rods} |
F01L 1/16 | . . . | Silencing impact; Reducing wear |
| F01L 1/18 | . . | Rocking arms or levers |
| F01L 1/20 | . | Adjusting or compensating clearance |
F01L 1/205 | . . | { by means of shims or the like} |
| F01L 1/22 | . . | automatically, e.g. mechanically |
| F01L 1/24 | . . . | by fluid means, e.g. hydraulically |
F01L 1/2405 | . . . . | { by means of a hydraulic adjusting device located between the cylinder head and rocker arm} |
F01L 1/2411 | . . . . | { by means of a hydraulic adjusting device located between the valve stem and rocker arm} |
F01L 1/2416 | . . . . | { by means of a hydraulic adjusting device attached to an articulated rocker} |
F01L 1/2422 | . . . . | { by means or a hydraulic adjusting device located between the push rod and rocker arm} |
| F01L 1/245 | . . . . | Hydraulic tappets |
| 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) |
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)} |
F01L 1/265 | . . | { peculiar to machines or engines with three or more intake valves per cylinder} |
F01L 1/267 | . . | { with means for varying the timing or the lift of the valves} |
| F01L 1/28 | . | characterised by the provision of coaxial valves; characterised by the provision of valves co-operating with both intake and exhaust ports |
F01L 1/30 | . | characterised by the provision of positively opened and closed valves, i.e. desmodromic valves |
F01L 1/32 | . | characterised by the provision of means for rotating lift valves, e.g. to diminish wear |
| 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} |
| F01L 1/344 | . . | changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear |
| F01L 1/34403 | . . . | { using helically teethed sleeve or gear moving axially between crankshaft and camshaft} |
F01L 1/34409 | . . . | { by torque-responsive means} |
F01L 1/34413 | . . . | { using composite camshafts, e.g. with cams being able to move relative to the camshaft} |
F01L 1/34416 | . . . | { using twisted cams} |
F01L 1/3442 | . . . | { using hydraulic chambers with variable volume to transmit the rotating force} |
F01L 1/348 | . . . | by means acting on timing belts or chains |
F01L 1/352 | . . . | using bevel or epicyclic gear |
F01L 1/356 | . . . | making the angular relationship oscillate, { e.g. non-homokinetic drive} |
| F01L 1/36 | . | peculiar to machines or engines of specific type other than four-stroke cycle |
F01L 1/38 | . . |
F01L 1/40 | . . | for engines with scavenging charge near top dead centre position, e.g. by overlapping inlet and exhaust time (scavenging aspects F02B) |
F01L 1/42 | . . | for machines or engines characterised by cylinder arrangements, e.g. star or fan |
| F01L 1/44 | . | Multiple-valve gear or arrangements, not provided for in preceding subgroups, e.g. with lift and different valves |
F01L 1/443 | . . | { comprising a lift valve and at least one rotary valve} |
F01L 1/446 | . . | { comprising a lift valve and at least one reed valve} |
| F01L 1/46 | . | Component parts, details, or accessories, not provided for in preceding subgroups |
| Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof |
| F01L 3/02 | . | Selecting particular materials for valve-members or valve-seats; Valve-members or valve-seats composed of two or more materials |
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) |
| F01L 3/08 | . | Valves guides; Sealing of valve stem, e.g. sealing by lubricant |
F01L 3/10 | . | Connecting springs to valve members |
| F01L 3/12 | . | Cooling of valves |
F01L 3/14 | . . | by means of a liquid or solid coolant, e.g. sodium, in a closed chamber in a valve |
| F01L 3/16 | . . | by means of a fluid flowing through or along valve, e.g. air (for sealing only F01L 3/08) |
| F01L 3/20 | . | Shapes or constructions of valve members, not provided for in preceding subgroups of this group |
F01L 3/22 | . | Valve-seats not provided for in preceding subgroups of this group; Fixing of valve-seats |
F01L 3/24 | . | Safety means or accessories, not provided for in preceding sub- groups of this group |
| Slide valve-gear or valve-arrangements (with pure rotary or oscillatory movement F01L 7/00) |
F01L 5/02 | . | with other than cylindrical, sleeve or part annularly shaped valves e.g. with flat-type valves |
| F01L 5/04 | . | with cylindrical, sleeve, or part-annularly shaped valves |
F01L 5/045 | . . | { Piston-type or cylinder-type valves arranged above the piston and coaxial with the cylinder axis} |
| F01L 5/06 | . . | surrounding working cylinder or piston |
| 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) |
F01L 5/12 | . . . | Arrangements with part-annularly-shaped valves |
| F01L 5/14 | . | characterised by the provision of valves with reciprocating and other movements (surrounding working cylinder or piston F01L 5/06) |
F01L 5/16 | . . | with reciprocating and other movement of same valve, e.g. longitudinally of working cylinder and in cross direction |
F01L 5/18 | . . | with reciprocatory valve and other slide valve |
F01L 5/20 | . |
F01L 5/22 | . |
F01L 5/24 | . | Component parts, details or accessories, not provided for in preceding subgroups in this group |
| 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) |
| F01L 7/02 | . |
| F01L 7/021 | . . | { with one rotary valve} |
F01L 7/022 | . . . | { Cylindrical valves having one recess communicating successively with aligned inlet and exhaust ports} |
F01L 7/023 | . . . | { Cylindrical valves having a hollow or partly hollow body allowing axial inlet or exhaust fluid circulation} |
F01L 7/024 | . . . | { Cylindrical valves comprising radial inlet and axial outlet or axial inlet and radial outlet} |
F01L 7/025 | . . . | { Cylindrical valves comprising radial inlet and side outlet or side inlet and radial outlet} |
F01L 7/026 | . . | { with two or more rotary valves, their rotational axes being parallel, e.g. 4-stroke} |
F01L 7/027 | . . |
F01L 7/028 | . . | { having the rotational axis coaxial with the cylinder axis and the valve surface not surrounding piston or cylinder} |
F01L 7/029 | . . | { having the rotational axis of the valve parallel to the cylinder axis} |
| F01L 7/04 | . . | Surrounding working cylinder or piston |
F01L 7/06 | . | with disc type valves |
F01L 7/08 | . | with conically or frusto-conically shaped valves |
F01L 7/10 | . | with valves of other specific shape, e.g. spherical |
F01L 7/12 | . | specially for two-stroke engines (F01L 7/04 takes precedence) |
F01L 7/14 | . |
F01L 7/16 | . | Sealing or packing arrangements specially therefor |
F01L 7/18 | . | Component parts, details, or accessories not provided for in preceding sub-groups of this group |
| Valve-gear or valve arrangements actuated non-mechanically |
| F01L 9/02 | . | by fluid means, e.g. hydraulic |
| F01L 9/021 | . . | { the action of a cam being transmitted to a valve by a fluid column, e.g. a fluid conduit} |
| F01L 9/023 | . . . | { Hydraulic lifters, i.e. fluid chamber comprised between a piston actuated by a cam and a piston acting on a valve stem} |
F01L 9/026 | . . | { Pneumatic} |
F01L 9/04 | . | by electric means |
| Valve arrangements in working piston or piston-rod |
| Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations |
F01L 13/0005 | . | { Deactivating valves} |
| F01L 13/0015 | . | { for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque} |
| F01L 13/0021 | . . | { by modification of rocker arm ratio} |
F01L 13/0031 | . . | { by modification of tappet or pushrod length} |
| 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} |
F01L 13/0042 | . . . | { with cams being profiled in axial and radial direction} |
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} |
F01L 13/0057 | . . | { by splittable or deformable cams} |
F01L 13/0063 | . . | { by modification of cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot} |
F01L 13/02 | . | for reversing |
F01L 13/04 | . | for starting by means of fluid pressure |
| . | for braking |
| F01L 13/08 | . | for decompression, e.g. during starting; for changing compression ratio |
| Guide Heading: | Valve-gear or valve arrangements, e.g. with reciprocatory slide valves, specially for steam engine, or specially for other machines or engines with variable working-fluid distribution NOTE -
|
| Valve-gear or valve arrangements, e.g. with reciprocatory slide valves, other than provided for in groups F01L 17/00 to F01L 29/00 (valve drive or external valve-adjustment during operation, see the relevant groups, e.g. F01L 31/00; tripping-gear or tripping of valves F01L 31/00) |
| F01L 15/02 | . | with valves other than cylindrical, sleeve, or part-annularly-shaped, e.g. flat D-valves |
| F01L 15/04 | . . | main valve being combined with auxiliary valve (of drag valve type F01L 15/10) |
F01L 15/08 | . | with cylindrical, sleeve, or part-annularly-shaped valves; Such main valves combined with auxiliarly valves |
F01L 15/10 | . | with main slide valve and auxiliary valve dragged thereby |
F01L 15/12 | . | characterised by having means for effecting pressure equilibrium between two different cylinder spaces at idling |
| F01L 15/14 | . | Arrangements with several co-operating main valves, e.g. reciprocatory and rotary |
F01L 15/18 | . | Valves arrangements not provided for in preceding sub-groups of this main group |
F01L 15/20 | . | Component parts, details, or accessories, not provided for in preceding sub-groups of this main group |
| Slide valve-gear or valve arrangements with cylindrical, sleeve, or part annularly-shaped valves surrounding working cylinder or piston |
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 |
| 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 |
| Use of working pistons or pistons-rods as fluid-distributing valves or a valve-supporting elements, e.g. in free-piston machines |
F01L 23/00 |
| Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means |
| F01L 25/02 | . | by fluid means |
F01L 25/08 | . | by electric or magnetic means |
| Distribution or expansion valve-gear peculiar to free-piston machines or engines and not provided for in F01L 21/00 to F01L 25/00 |
F01L 27/02 | . | the machine or engine having rotary or oscillatory valves |
F01L 27/04 | . | Delayed-action controls, e.g. of cataract or dashpot type |
| Reversing gear (equally usable for control of degree of working-fluid admission and reversing being of secondary-importance F01L 31/00) |
F01L 29/02 | . | by displacing eccentric |
F01L 29/04 | . | by links or guide rods |
F01L 29/06 | . | by interchanging inlet and exhaust ports |
F01L 29/08 | . | specially for rotary or oscillatory valves |
| F01L 29/10 | . | Details, e.g. drive |
| Valve drive, valve adjustment during operation, or other valve control, not provided for in groups F01L 15/00 to F01L 29/00 (sensing elements measuring the variable or condition to be controlled or regulated F01B) |
| F01L 31/02 | . | with tripping-gear (for oscillatory valves F01L 31/06); Tripping of valves |
F01L 31/06 | . | with tripping-gear specially for oscillatory valves; Oscillatory tripping-valves, e.g. of Corliss type |
| F01L 31/08 | . | Valve drive or valve adjustment, apart from tripping aspects; Positively-driven gear |
| F01L 31/10 | . . | the drive being effected by eccentrics (F01L 31/14 takes precedence) |
F01L 31/14 | . . | Valve adjustment by links or guide rods, e.g. in valve-gear with eccentric drive |
F01L 31/16 | . . | the drive being effected by specific means other than eccentric, e.g. cams; Valve adjustment in connection with such drives |
F01L 31/18 | . . | specially for rotary or oscillatory valves |
| Guide Heading: | 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 to F01L 31/00) |
| 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 to F01L 31/00) |
| 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 to F01L 31/00) |
| F01L 2001/00 | 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) |
| F01L 2001/02 | . | Valve drive (transmitting-gear between valve drive and valve F01L 1/12) |
F01L 2001/028 | . . | Pre-assembled timing arrangement, e.g. located in a cassette |
| F01L 2001/04 | . . | by means of cams, camshafts, cam discs, eccentrics or the like (F01L 1/10 takes precedence) |
| F01L 2001/047 | . . . | Camshafts |
| F01L 2001/0471 | . . . . | Assembled camshafts, e.g. "gebaute Nockenwelle" |
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 |
F01L 2001/0475 | . . . . | Hollow camshafts (F01L 2001/0473 takes precedence) |
F01L 2001/0476 | . . . . | Camshaft bearings |
F01L 2001/0478 | . . . . | Torque pulse compensated camshafts |
| F01L 2001/053 | . . . . | overhead type |
F01L 2001/0535 | . . . . . | Single overhead camshafts (SOHC) |
F01L 2001/0537 | . . . . . | Double overhead camshafts (DOHC) |
F01L 2001/054 | . . . . | Camshafts in cylinder block |
| F01L 2001/12 | . | Transmitting gear between valve drive and valve (simultaneously operating two or more valves F01L 1/26) |
| F01L 2001/18 | . . | Rocking arms or levers |
F01L 2001/187 | . . . | Clips, e.g. for retaining rocker arm on pivot |
F01L 2001/188 | . . . | Fulcrums at upper surface |
| F01L 2001/20 | . | Adjusting or compensating clearance |
| F01L 2001/22 | . . | automatically, e.g. mechanically |
| F01L 2001/24 | . . . | by fluid means, e.g. hydraulically |
F01L 2001/2427 | . . . . | by means of an hydraulic adjusting device located between cam and push rod |
F01L 2001/2433 | . . . . | Self contained, e.g. sealed hydraulic lash adjusters |
F01L 2001/2438 | . . . . | with means permitting forced opening of check valve |
F01L 2001/2444 | . . . . | Details relating to the hydraulic feeding circuit, e.g. lifter oil manifold assembly (LOMA) |
| F01L 2001/245 | . . . . | Hydraulic tappets |
| F01L 2001/34 | . | 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} |
| F01L 2001/344 | . . | changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear |
| F01L 2001/3442 | . . . | { using hydraulic chambers with variable volume to transmit the rotating force} |
| F01L 2001/34423 | . . . . | Details relating to the hydraulic feeding circuit |
| F01L 2001/34426 | . . . . . | Oil control valves |
F01L 2001/3443 | . . . . . . | Solenoid driven oil control valves |
F01L 2001/34433 | . . . . . . | Location oil control valves |
| F01L 2001/34436 | . . . . . | Features or method for avoiding malfunction due to foreign matters in oil |
F01L 2001/3444 | . . . . . . | Oil filters |
F01L 2001/34443 | . . . . . . | Cleaning control of oil control valves |
F01L 2001/34446 | . . . . . | Fluid accumulators for the feeding circuit |
| F01L 2001/3445 | . . . . | Details relating to the hydraulic means for changing the angular relationship |
| F01L 2001/34453 | . . . . . | Locking means between driving and driven members |
F01L 2001/34456 | . . . . . . | Locking in only one position |
F01L 2001/34459 | . . . . . . | Locking in multiple positions |
F01L 2001/34463 | . . . . . . | Locking position intermediate between most retarded and most advanced positions |
F01L 2001/34466 | . . . . . . | with multiple locking devices |
F01L 2001/34469 | . . . . . . | Lock movement parallel to camshaft axis |
F01L 2001/34473 | . . . . . . | Lock movement perpendicular to camshaft axis |
F01L 2001/34476 | . . . . . . | Restrict range locking means |
F01L 2001/34479 | . . . . . | Sealing of phaser devices |
F01L 2001/34483 | . . . . . | Phaser return springs |
| F01L 2001/34486 | . . . | Location and number of the means for changing the angular relationship |
F01L 2001/34489 | . . . . | Two phasers on one camshaft |
F01L 2001/34493 | . . . . | Dual independent phasing system (DIPS) |
F01L 2001/34496 | . . . . | Two phasers on different camshafts |
| F01L 2001/352 | . . . | using bevel or epicyclic gear |
| F01L 2001/46 | . | Component parts, details, or accessories, not provided for in preceding subgroups |
| F01L 2003/00 | Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof |
F01L 2003/11 | . | Connecting valve members to rocker arm or tappet |
| F01L 2003/25 | . | Valve configurations in relation to engine |
F01L 2003/251 | . . | Large number of valves, e.g. five or more |
F01L 2003/253 | . . | configured parallel to piston axis |
F01L 2003/255 | . . | configured other than parallel or symetrical relative to piston axis |
F01L 2003/256 | . . | configured other than perpendicular to camshaft axis |
F01L 2003/258 | . . | opening away from cylinder |
| F01L 2009/00 | Valve-gear or valve arrangements actuated non-mechanically |
| F01L 2009/02 | . | by fluid means, e.g. hydraulic |
| F01L 2009/04 | . | by electric means |
F01L 2009/0401 | . . | Driving circuits therefor |
F01L 2009/0403 | . . | Electromagnetic actuators comprising one coil |
| F01L 2009/0405 | . . | Electromagnetic actuators comprising two or more coils |
F01L 2009/0407 | . . . | The two coils being disposed coaxially to the armature shaft |
F01L 2009/0409 | . . . | The armature being articulated perpendicularly to the coils axes |
F01L 2009/0411 | . . | Electromagnetic actuators using a rotary motor |
F01L 2009/0413 | . . | Piezo electric actuators |
F01L 2009/0415 | . . | Moving coil actuators |
F01L 2009/0417 | . . | Floating actuators for varying the valve stroke |
F01L 2009/0419 | . . | Actuator position setting device, e.g. initial setting |
F01L 2009/0421 | . . | Mixed arrangement with both mechanically and electromagnetically actuated valves |
| F01L 2009/0423 | . . | Electromagnetic actuators construction details |
| F01L 2009/0425 | . . . | Shaft and armature construction |
F01L 2009/0428 | . . . | Core and coil construction |
F01L 2009/043 | . . . | Casing construction |
| F01L 2009/0432 | . . . | Biasing means |
| F01L 2009/0434 | . . . . | Helical springs |
F01L 2009/0438 | . . . . | Torsion springs |
F01L 2009/044 | . . . . | Pneumatic springs |
F01L 2009/0442 | . . . . | Means for varying the spring bias |
F01L 2009/0444 | . . . . | Means for connecting springs to valve or anchor |
| F01L 2009/0446 | . . . | Latching means |
F01L 2009/0449 | . . . | Means for varying the air gap |
F01L 2009/0451 | . . . | Damping means |
F01L 2009/0453 | . . . | Means for counteracting cylinder pressure |
F01L 2009/0455 | . . . | Lash adjusting means |
F01L 2009/0457 | . . . | Actor cooling means |
F01L 2009/0459 | . . . | Means for facilitating assembly |
| F01L 2009/0461 | . . . | Wiring |
| F01L 2009/0467 | . . . | Sensing means |
| F01L 2009/0478 | . . | Electromagnetic actuators; Method of operation thereof |
| F01L 2009/048 | . . . | Engine starting |
F01L 2009/0486 | . . . | Soft landing, e.g. applying braking current; Levitation of armature close to core surface |
F01L 2009/0488 | . . . | Fail safe, e.g. valve kept closed if not opening properly |
F01L 2009/049 | . . . | Determination of valve speed |
F01L 2009/0492 | . . . | Determination of valve timing during particular working conditions, e.g. deceleration |
F01L 2009/0494 | . . . | Engine stopping; Engine stall |
F01L 2009/0496 | . . . | relating to sticking duration |
F01L 2009/0498 | . . . | relating to gap between armature shaft and valve stem end |
| F01L 2013/00 | Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations |
| F01L 2013/0005 | . | { Deactivating valves} |
| F01L 2013/0015 | . | { for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque} |
| F01L 2013/0036 | . . | { 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} |
| F01L 2013/0063 | . . | { by modification of cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot} |
F01L 2013/0068 | . . . | with an oscillating cam acting on the valve of the "BMW-Valvetronic" type |
F01L 2013/0073 | . . . | with an oscillating cam acting on the valve of the "Delphi" type |
F01L 2013/0078 | . . | by modification of cam contact point by axially displacing the camshaft |
F01L 2013/0084 | . . | by modification of cam contact point by radially displacing the camshaft |
| F01L 2013/0089 | . . | with means for delaying valve closing |
| F01L 2013/10 | . | Auxiliary actuators for variable valve timing |
F01L 2013/101 | . . | Electromagnets |
F01L 2013/103 | . . | Electric motors |
F01L 2013/105 | . . | Hydraulic motors |
F01L 2013/106 | . . | Pneumatic motors |
F01L 2013/108 | . . | Centrifugal force |
| F01L 2013/11 | . | Sensors for variable valve timing |
| F01L 2103/00 | Manufacturing of components used in valve arrangements |
F01L 2103/01 | . | Tools for producing, mounting or adjusting, e.g. some part of the distribution |
F01L 2103/02 | . | Initial camshaft settings |
| F01L 2105/00 | Valve arrangements comprising rollers |
F01L 2107/00 | Preventing the rotation of tappets |
F01L 2109/00 | Self-contained lash adjusters |
F01L 2111/00 | Differential gears located between crankshafts and camshafts for varying the timing of valves |
F01L 2113/00 | Rotary valve drives |
F01L 2201/00 | Electronic control systems; Apparatus or methods therefor |
| F01L 2250/00 | Camshaft drives characterised by their transmission means |
F01L 2250/02 | . | the camshaft being driven by chains |
F01L 2250/04 | . | the camshaft being driven by belts |
F01L 2250/06 | . | the camshaft being driven by gear wheels |
| F01L 2710/00 | Control of valve gear, speed or power |
| F01L 2740/00 | Control of slide-valve gear; Control pistons |
F01L 2740/003 | . | more than one slide-valve, e.g. for four stroke engines |
F01L 2740/006 | . | more than one slide-valve, e.g. for two stroke engines |
F01L 2750/00 | Control of valve gear for four stroke engines directly driven by the crankshaft |
| F01L 2760/00 | Control of valve gear to facilitate reversing, starting, braking of four stroke engines |
F01L 2760/001 | . | for starting four stroke engines |
F01L 2760/002 | . | for reversing or starting four stroke engines |
| F01L 2760/003 | . | for switching to compressor action in order to brake |
F01L 2760/004 | . . | whereby braking is exclusively produced by compression in the cylinders |
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 |
F01L 2760/006 | . | for reversing two stroke engines |
F01L 2760/007 | . | for starting two stroke engines |
F01L 2760/008 | . | for reversing and restarting two strocke engines |
| F01L 2800/00 | Methods of operation using a variable valve timing mechanism |
F01L 2800/01 | . | Starting |
F01L 2800/02 | . | Cold running |
F01L 2800/03 | . | Stopping; Stalling |
F01L 2800/04 | . | Timing control at idling |
F01L 2800/05 | . | Timing control under consideration of oil condition |
F01L 2800/06 | . | Timing or lift different for valves of same cylinder |
F01L 2800/08 | . | Timing or lift different for valves of different cylinders |
F01L 2800/09 | . | Calibrating |
F01L 2800/10 | . | Providing exhaust gas recirculation (EGR) |
F01L 2800/11 | . | Fault detection, diagnosis |
F01L 2800/12 | . | Fail safe operation |
F01L 2800/13 | . | Throttleless |
F01L 2800/14 | . | Determining a position, e.g. phase or lift |
F01L 2800/15 | . | Balancing of rotating parts |
F01L 2800/16 | . | Preventing interference |
F01L 2800/17 | . | Maintenance; Servicing |
F01L 2800/18 | . | Testing or simulation |
F01L 2800/19 | . | Valves opening several times per stroke |
| F01L 2810/00 | Arrangements solving specific problems in relation with valve gears |
F01L 2810/01 | . | Cooling |
F01L 2810/02 | . | Lubrication |
F01L 2810/03 | . | Reducing vibration |
F01L 2810/04 | . | Reducing noise |
F01L 2810/05 | . | Related to pressure difference on both sides of a valve |
| F01L 2820/00 | Details on specific features characterising valve gear arrangements |
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Last Modified: 04/16/2013 4:31:16 PM