| Patents for F01L 13 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations (9,664) |
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| 09/30/2004 | US20040187825 Cam mechanism with decompression device |
| 09/30/2004 | US20040187823 Internal combustion engine with switchable cam follower |
| 09/30/2004 | US20040187822 Valve operating apparatus of internal combustion engines |
| 09/30/2004 | DE10311358A1 Piston driven combustion engine having piston chambers formed such that they are connected together at least during part of the cyclic movement of the pistons |
| 09/30/2004 | DE10311229A1 Variable compression ratio combustion engine has valve disk in contact with valve seat for smallest compression ratio, end of disk approximately in plane with combustion chamber wall for highest ratio |
| 09/30/2004 | DE10226300B4 Einrichtung zur variablen Betätigung von Ventilen mittels Nocken für Verbrennungsmotoren Device for variable actuation of valves by means of cams for internal combustion engines |
| 09/30/2004 | DE102004007766A1 Schlepphebel eines Ventiltriebs einer Brennkraftmaschine Drag lever of a valve train of an internal combustion engine |
| 09/29/2004 | EP1462644A2 Throttle body |
| 09/29/2004 | EP1462623A1 Valve control system permitting dual valve lift and valve deactivation |
| 09/29/2004 | EP1462622A1 Multi-cylinder engine |
| 09/29/2004 | EP1462620A1 Method and apparatus for determining operational mode in a cam profile switching (cps) engine |
| 09/29/2004 | CN1533469A Valve control apparatus for IC engine |
| 09/29/2004 | CN1533468A Variable valve-stroke controller |
| 09/28/2004 | US6796294 Internal combustion engine |
| 09/28/2004 | US6796276 Line control arrangement for continuously variable valve timing system |
| 09/23/2004 | WO2004081352A1 Modal variable valve actuation system for internal combustion engine and method for operating the same |
| 09/23/2004 | WO2004081351A1 Variable valve mechanism for internal combustion engine |
| 09/23/2004 | WO2004081349A2 Adjustable valve train with hydraulic lifters |
| 09/23/2004 | WO2004065764A3 Device for actuating the gas exchange valves in reciprocating engines |
| 09/23/2004 | US20040182362 Internal combustion engine |
| 09/23/2004 | US20040182346 Intake quantity control apparatus of internal combustion engine |
| 09/23/2004 | US20040182340 Dual valve lift and valve deactivation |
| 09/23/2004 | DE10310968A1 Pulling lever for a combustion engine gas exchange valve has inner and outer levers and coupling to two outer pistons |
| 09/23/2004 | CA2518949A1 Variable valve mechanism for internal combustion engine |
| 09/22/2004 | EP1460254A1 Method for diagnosing an induction system for an internal combustion engine |
| 09/22/2004 | EP1460240A2 Cam mechanism with decompression device |
| 09/22/2004 | EP1458965A1 Cylinder deactivation to improve vehicle interior heating |
| 09/22/2004 | EP1458958A1 Engine cylinder deactivation to improve the performance of exhaust emission control systems |
| 09/22/2004 | EP1458956A1 Device for variable actuation of the gas exchange valves in internal combustion piston engines |
| 09/21/2004 | US6792924 Engine control system of internal combustion engine with variable compression ratio mechanism and exhaust-gas recirculation control system |
| 09/21/2004 | US6792905 Compression release mechanism |
| 09/21/2004 | US6792904 Method and arrangement for affecting engine braking |
| 09/21/2004 | US6792903 Mechanical control of the intake valve lift adjustment in an internal combustion engine |
| 09/21/2004 | US6792901 Control system of internal combustion engine |
| 09/16/2004 | WO2004079164A1 Valve lever of a valve gear of an internal combustion engine |
| 09/16/2004 | US20040177820 Valve-actuating devices for internal combustion engines having changeable stroke functions |
| 09/16/2004 | DE10310226A1 Schlepphebel eines Ventiltriebs einer Brennkraftmaschine Drag lever of a valve train of an internal combustion engine |
| 09/16/2004 | DE10310220A1 Equipment coupling or de-coupling operating levers of engine valve, includes blocking component inserted between first and second operating levers |
| 09/16/2004 | DE10310219A1 Mechanism coupling or de-coupling components operating engine valve, includes electromagnet fastened to cylinder head of engine |
| 09/16/2004 | DE10309408A1 Internal combustion engine, includes channel to introduce hydraulic fluid into the groove formed along the periphery of the follower, the channel linked with a switching element at another peripheral portion of the follower |
| 09/15/2004 | EP1457644A1 Method and apparatus for monitoring the position of a variable valve control |
| 09/15/2004 | CN1529041A Hydraulic distributing mechanism for engine rotary valve |
| 09/15/2004 | CN1166854C Hydraulic driver of internal combustion engine |
| 09/14/2004 | US6789521 Valve system for engine |
| 09/10/2004 | WO2004076822A1 Assembly and torsional stop device for roller tappets of a valve drive in an internal combustion engine |
| 09/09/2004 | US20040173173 Method and apparatus to control a variable valve control device |
| 09/09/2004 | US20040173170 Method and device for operating an internal combustion engine |
| 09/09/2004 | DE10308995A1 Drag lever for internal combustion engine valve drive has sliding element that is shifted into inner bore of inner lever to engage coupling and out of bore to disengage coupling |
| 09/09/2004 | DE102004008350A1 Motorventilbetätigungssystem Engine valve actuation system |
| 09/08/2004 | EP1455057A1 Method and apparatus to control a variable valve control device |
| 09/08/2004 | EP1117906B1 Method for controlling an internal combustion engine |
| 09/08/2004 | CN1527903A Controller of hybrid vehicle |
| 09/08/2004 | CN1165677C Apparatus for controlling position of electromagnetically operated engine valve |
| 09/07/2004 | US6786191 Engine cylinder deactivation to improve vehicle interior heating and defrosting |
| 09/07/2004 | US6786185 Variable valve actuation mechanism having partial wrap bearings for output cams and frames |
| 09/02/2004 | WO2004074660A1 Compressed engine working on a late clising miller cycle |
| 09/02/2004 | WO2004074648A1 Engine brake system of a multicylinder internal combustion engine comprising a cooled intermediate pipe for exchanging gas between cylinders during engine braking |
| 09/02/2004 | WO2004074647A1 Device for operating engine valve: |
| 09/02/2004 | US20040168661 Valve operating device for an internal combustion engine |
| 09/02/2004 | US20040168660 Apparatus for an internal combustion engine |
| 09/02/2004 | US20040168659 Variable valve operating system for internal combustion engine |
| 09/02/2004 | US20040168658 Internal combustion engine valve control apparatus |
| 09/02/2004 | US20040168655 Control device for spark-ignition engine |
| 09/02/2004 | DE10307654A1 Valve exciting device for internal combustion engines, has variable component through which support strength provided to link by feather spring, variable component and cam is increased |
| 09/02/2004 | DE10306907A1 Ventiltrieb mit variabel einstellbarem Hub für Ventile von Verbrennungsmotoren Valve drive with variable adjustable stroke for valves of internal combustion engines |
| 09/02/2004 | DE102004006776A1 Ansaugmenge-Steuervorrichtung für eine Brennkraftmaschine mit innerer Verbrennung Intake quantity control apparatus for an internal combustion engine with internal combustion |
| 09/01/2004 | CN1525050A Valve transmission device of internal combustion engine |
| 08/31/2004 | US6782861 Vacuum release mechanism |
| 08/31/2004 | US6782853 Control apparatus and method for valve actuating system of internal combustion engine |
| 08/26/2004 | US20040163721 Hard coating on a stator for improving the durability of a solenoid actuator |
| 08/26/2004 | US20040163615 Device for controlling valve kinematics |
| 08/26/2004 | DE10354842A1 Vorrichtung und Verfahren für einen Verbrennungsmotor mit variablem Kompressionsverhältnis Apparatus and method for an internal combustion engine with variable compression ratio |
| 08/25/2004 | EP1448881A1 Method and device for coordinating the filling of a cylinder in a multicylinder internal combustion engine |
| 08/25/2004 | CN1523214A Valve correct time control equipment for engine |
| 08/25/2004 | CN1523209A Combustion engine variable compression ratio apparatus and method |
| 08/24/2004 | US6779508 Control system of internal combustion engine |
| 08/24/2004 | US6779506 Engine brake control pressure strategy |
| 08/24/2004 | US6779498 Internal combustion engine operating on spark-ignitable fuel |
| 08/24/2004 | US6779497 Valve stroke control for internal combustion engines of motor vehicles |
| 08/24/2004 | CA2356569C Mechanical compression and vacuum release |
| 08/19/2004 | US20040159295 Internal combustion engine |
| 08/19/2004 | US20040159294 Actuating drives for valve drives having a variably adjustable stroke, for valves of internal combustion engines |
| 08/19/2004 | US20040159292 Combustion engine variable compression ratio apparatus and method |
| 08/19/2004 | DE10304991A1 Adjusting device for effecting lifting functions of lever-type cam-driven transmission links works in a varied valve mechanism for controlling a spark-ignition internal combustion engine under load |
| 08/19/2004 | DE10304304A1 Verbrennungskraftmaschine mit Hubverstellung der Gaswechselventile Stroke internal combustion engine with the gas exchange valves |
| 08/18/2004 | EP1447547A1 An internal combustion engine having a valve travel changing device |
| 08/18/2004 | EP1447530A1 Decompressor for 4-stroke cycle internal combustion engines |
| 08/18/2004 | EP1446562A1 Drag lever of a valve mechanism in an internal combustion engine |
| 08/18/2004 | EP1446561A1 Variable lift valve controller |
| 08/12/2004 | WO2004067924A1 Fully variable mechanical valve drive mechanism for a piston-type internal combustion engine comprising adjustable valve play compensation |
| 08/12/2004 | WO2004067923A1 Hydraulic carrier rocker arm |
| 08/12/2004 | WO2004067922A1 Valve control |
| 08/12/2004 | US20040154597 Exhaust gas reflux apparatus for internal combustion engine |
| 08/12/2004 | US20040154569 Valve system for internal combustion engine |
| 08/12/2004 | DE10303601A1 Ventilsteuerung Valve control |
| 08/12/2004 | DE10303567A1 Hydraulischer Mitnehmerkipphebel Hydraulic Mitnehmerkipphebel |
| 08/12/2004 | DE10302260A1 Vorrichtung zur Betätigung der Ladungswechselventile in Hubkolbenmotoren Device for actuating the gas exchange valves in reciprocating engines |
| 08/11/2004 | EP1445434A1 Internal combustion engine with valve lift adjustment |
| 08/11/2004 | EP1444422A1 Cam follower of a valve gear of an internal combustion engine |
| 08/11/2004 | EP1383988B1 Control device for a gas exchange valve in an internal combustion engine |