| 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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| 04/26/2005 | US6883492 Compact lost motion system for variable valve actuation |
| 04/26/2005 | US6883484 Rocker shaft |
| 04/26/2005 | US6883477 Apparatus for deactivating an engine valve |
| 04/26/2005 | US6883476 Control system and method for an internal combustion engine |
| 04/26/2005 | US6883319 Method for controlling the charging pressure at a turbocharged combustion engine, and a corresponding combustion engine |
| 04/21/2005 | WO2005017324B1 Variable valve gear |
| 04/21/2005 | DE19641068B4 Hubvariabler Ventiltrieb A variable-stroke valve train |
| 04/20/2005 | EP1523616A1 Method for improving the torque band in a multicylinder four-cycle piston engine |
| 04/19/2005 | US6880507 Internal combustion engine with switchable cam follower |
| 04/19/2005 | US6880504 Valve timing control apparatus for internal combustion engine |
| 04/14/2005 | WO2005033492A1 Engine brake control pressure strategy |
| 04/14/2005 | US20050076867 Valve controller |
| 04/14/2005 | DE10345307A1 Brake lever for a valve drive of an internal combustion engine comprises a coupling device formed as an annular piston running in a smooth passageway of an inner lever |
| 04/13/2005 | EP1522683A1 Valve actuating mechanism |
| 04/13/2005 | EP1521898A1 Apparatus for an internal combustion engine |
| 04/13/2005 | CN2692351Y Pressure redueing device of motorcar vertical engine |
| 04/13/2005 | CN1605719A Decompression mechanism of engine |
| 04/12/2005 | US6877493 Variable operation intake valve controlling apparatus and method for internal combustion engine |
| 04/12/2005 | US6877466 Variable valve operating system for internal combustion engine |
| 04/12/2005 | US6877464 Spark-ignition engine controller |
| 04/12/2005 | CA2400098C Direct lever overhead valve system |
| 04/12/2005 | CA2138385C Method and device for motor-braking by means of a multi-cylinder internal combustion engine |
| 04/07/2005 | US20050072390 Variable valve lift mechanism for an engine |
| 04/07/2005 | DE10323877B4 Arrangement for hydraulic valve lift changeover has oil pressure measurement device, arrangement for detecting time between driving switching valve and characteristic change in oil pressure |
| 04/07/2005 | DE10220904B4 Vorrichtung zum Verstellen des Hubs eines von einer Nockenwelle betätigten Ventils Device for adjusting the stroke of a valve actuated by a camshaft |
| 04/06/2005 | EP1520963A2 Decompression device for engine |
| 04/06/2005 | EP1520962A1 Variable valve control system and method of variable control of a valve in an internal combustion engine |
| 04/06/2005 | EP1520088A1 A stroke adjusting device for valves of a combustion engine |
| 04/06/2005 | EP1448881B1 Method and device for coordinating the filling of a cylinder in a multicylinder internal combustion engine |
| 04/06/2005 | CN1603583A Valve drive apparatus of internal-combustion engine |
| 04/06/2005 | CN1603579A Variable valve mechanism for engine |
| 04/05/2005 | US6874472 Ignition timing control apparatus for internal combustion engine and method thereof |
| 04/05/2005 | US6874457 Vacuum release mechanism |
| 04/05/2005 | US6874456 Valve operating apparatus of internal combustion engines |
| 04/05/2005 | CA2165987C Valve mechanism for an internal combustion engine |
| 03/31/2005 | US20050066934 Intake air control apparatus and method for internal combustion engine |
| 03/31/2005 | US20050066925 Decompression device for engine |
| 03/31/2005 | US20050066921 Variable valve mechanism for engine |
| 03/31/2005 | US20050066920 Valve drive apparatus of internal-combustion engine |
| 03/31/2005 | US20050066919 System and method for actuating an engine valve |
| 03/31/2005 | DE10311229B4 Verbrennungsmotor mit veränderbarem Verdichtungsverhältnis Combustion engine with variable compression ratio |
| 03/31/2005 | DE102004041607A1 Verbrennungsmotor Combustion engine |
| 03/31/2005 | DE102004040781A1 Öldrucksteuersystem und -verfahren für Motoren mit hydraulischer Zylinderabschaltung Oil pressure control system and method for engines with hydraulic cylinder deactivation |
| 03/30/2005 | EP1518042A1 Camshaft, especially for an internal combustion engine of a motor vehicle, comprising shiftable cams |
| 03/30/2005 | EP1518041A1 Variable valve actuation mechanism with oscillating cam |
| 03/30/2005 | EP1362176B1 Spark ignition engine control device |
| 03/30/2005 | CN1601070A Intake air control apparatus and method for internal combustion engine |
| 03/24/2005 | WO2005026503A2 Fully variable lift valve controller |
| 03/24/2005 | US20050061290 Engine lubrication system and pressure reducing valve for limiting overhead oil flow |
| 03/24/2005 | US20050061289 Engine oil system with oil pressure regulator to increase cam phaser oil pressure |
| 03/24/2005 | US20050061281 Valve lifter for internal combustion engine |
| 03/24/2005 | US20050061279 Engine lubrication system |
| 03/24/2005 | US20050061275 Deactivation hydraulic valve lifter having a pressurized oil groove |
| 03/24/2005 | US20050061273 Pin housing sub-assembly for an hydraulic valve lifter |
| 03/24/2005 | DE10339658A1 Device for variable actuation of valves in internal combustion engines has drive lever as swing lever engaging on one side with cam and on other side with intermediate member guided on swivel element |
| 03/24/2005 | DE10302260B4 Vorrichtung zur Betätigung der Ladungswechselventile in Hubkolbenmotoren Device for actuating the gas exchange valves in reciprocating engines |
| 03/24/2005 | DE10119632B4 Variable Ventilsteuervorrichtung für eine Brennkraftmaschine A variable valve control apparatus for an internal combustion engine |
| 03/23/2005 | CN1598253A Valve device with cylinder stop mechanism of ic engine |
| 03/23/2005 | CN1598251A Valve device with cylinder stop mechanism of ic engine |
| 03/22/2005 | US6868835 Internal combustion engine |
| 03/22/2005 | US6868811 Frameless variable valve actuation mechanism |
| 03/17/2005 | US20050056244 Method for 3-step variable valve actuation |
| 03/17/2005 | US20050056243 Device for the variable control of gas exchange valves in an internal combustion engine |
| 03/17/2005 | US20050056242 Internal combustion engine |
| 03/17/2005 | DE19700736B4 Ventiltrieb einer Brennkraftmaschine Valve train of an internal combustion engine |
| 03/17/2005 | DE10338663A1 Engine system has controlled actuators to adjust valve cam to vary the valve stroke and timing |
| 03/17/2005 | DE10337430A1 Verbrennungskraftmaschine mit Schaltnocken Internal combustion engine with cam |
| 03/17/2005 | DE102004038130A1 Ventilantriebssystem und Verfahren für eine Brennkraftmaschine sowie Leistungsabgabevorrichtung A valve drive system and method for an internal combustion engine and power output apparatus |
| 03/16/2005 | EP1515025A1 Method of controlling a four stroke Otto engine and reduction of knocking |
| 03/16/2005 | EP1515009A1 Engine valve driver |
| 03/16/2005 | EP1515008A1 Engine valve driver |
| 03/16/2005 | EP1515007A1 Valve spring supporting structure of engine |
| 03/16/2005 | CN1596334A Valve operating device for internal combustion engines |
| 03/15/2005 | US6866017 Method and system for engine braking in an internal combustion engine using a stroke limited high pressure engine brake |
| 03/15/2005 | US6866014 Anti-rotation guide for a deactivation hydraulic valve lifter |
| 03/10/2005 | US20050055152 Trouble detector of vehicle having deceleration idling-cylinder engine |
| 03/10/2005 | US20050051120 Variable valve-stroke controls |
| 03/10/2005 | US20050051119 Engine valve actuation system and method |
| 03/09/2005 | CN1590740A Fail-safe control apparatus for internal combustion engine equipped with variable valve characteristic mechanism and method thereof |
| 03/09/2005 | CN1590721A IC engine |
| 03/09/2005 | CN1590716A Rocker shaft |
| 03/08/2005 | US6863050 Apparatus and method for controlling intake air amount of internal combustion engine |
| 03/08/2005 | US6863038 Valve driving apparatus and internal combustion engine including the same |
| 03/08/2005 | US6863037 Control unit for variable valve timing mechanism |
| 03/03/2005 | WO2005019634A2 Automatic compression release mechanism including feature to prevent unintentional disablement during engine shutdown |
| 03/03/2005 | WO2005019612A1 Combustion engine comprising a control cam |
| 03/03/2005 | WO2005019610A1 Apparatus for an internal combustion engine |
| 03/03/2005 | WO2005019609A1 Valve gear of internal combustion engine |
| 03/03/2005 | WO2005019608A1 Valve tappet system, especially anti-rotation bucket tappet having a curved cam follower surface |
| 03/03/2005 | WO2005019607A1 Valve gear of internal combustion engine |
| 03/03/2005 | WO2004088094A3 Variable valve lift device for the lift adjustment of gas-exchange valves of an internal combustion engine |
| 03/03/2005 | US20050045142 Oil pressure control system and method for engines with hydraulic cylinder deactivation |
| 03/03/2005 | US20050045132 Deactivation roller hydraulic valve lifter |
| 03/03/2005 | US20050045127 Electromagnetic brake cooling structure of phase variable device in car engine |
| 03/03/2005 | US20050045126 Variable valve-stroke controls |
| 03/03/2005 | US20050045125 Guide systems for variable valve controller |
| 03/03/2005 | US20050044934 Method for diagnosing incorrect valve lift adjustment in an internal combustion engine |
| 03/03/2005 | DE102004036764A1 Ventiltrieb-Vorrichtung und diese aufweisender Verbrennungsmotor Valve train device and having this Direction engine |
| 03/03/2005 | DE102004036305A1 Control system for e.g. eight-cylinder internal combustion engine, has controller electronically connected to fuel injectors and determines desired engine output torque and number of cylinders to be provided with fuel and air |
| 03/03/2005 | CA2537166A1 Valve mechanism for an internal combustion engine |