Patents
Patents for F01L 13 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations (9,664)
01/2004
01/27/2004US6681734 Hydraulic cylinder deactivation with rotary sleeves
01/27/2004US6681732 Control device for switching intake and exhaust valves of internal combustion engines
01/22/2004US20040015287 Apparatus and method for estimating residual gas amount of internal combustion engine, and apparatus and method for controlling intake air amount of internal combustion engine using estimated residual gas amount
01/22/2004US20040011313 Variable valve operating system of engine enabling variation of working angle and phase
01/22/2004US20040011312 Cam follower arm for an internal combustion engine
01/22/2004US20040011311 Valve timing control apparatus for internal combustion engine
01/22/2004US20040011309 Internal combustion engine and method for the operation thereof
01/22/2004DE20317384U1 Motor vehicle internal combustion engine valve drive has actuator tappet assembly for each valve mounted in carrier bearing
01/22/2004DE10231214A1 Ventilhubsteuerung für Verbrennungsmotoren und Kompressoren Valve lift control for combustion engines and compressors
01/22/2004DE10230935A1 Betriebsverfahren für eine Brennkraftmaschine mit einem hubvariablen Ventiltrieb A method of operating an internal combustion engine with a variable-stroke valve train
01/22/2004DE10230108A1 Vorrichtung zum Verstellen des Hubs eines von einer Nockenwelle betätigten Ventils Device for adjusting the stroke of a valve actuated by a camshaft
01/21/2004CN2600591Y Brake of engine
01/21/2004CN1469033A Oil supply structure for engine cylinder head
01/21/2004CN1469032A Decompressor for engine
01/20/2004US6679207 Engine valve actuation system
01/15/2004WO2004005677A1 Apparatus for an internal combustion engine
01/15/2004US20040008009 Portable power supply
01/15/2004US20040007194 Apparatus and method for controlling intake air amount of internal combustion engine
01/15/2004DE20317382U1 Device for variable actuation of gas shuttle valves for internal combustion engines comprises gas shuttle valves of one cylinder in one displacement unit with a displacement that occurs
01/15/2004DE10229197A1 Verfahren zum Verstellen von dem Ventiltrieb einer Brennkraftmaschine zugeordneten Stellen A method for adjusting of the associated valve drive of an internal combustion engine places
01/15/2004DE10228022A1 Ventilhubvorrichtung zur Hubverstellung der Gaswechselventile einer Verbrennungskraftmaschine Valve lift device for adjusting the stroke of the gas exchange valves of an internal combustion engine
01/15/2004DE10227470A1 Koppelgetriebe für eine variable Ventilsteuerung von Brennkraftmaschinen Coupling mechanism for variable valve control of internal combustion engines
01/14/2004EP1380729A1 Compression release mechanism for internal combustion engine
01/14/2004EP1380728A1 Valve drive arrangement
01/14/2004EP1379759A1 Desmodromic valve actuation system
01/13/2004US6675753 Cam phase variable apparatus
01/08/2004US20040003791 Compression release mechanism
01/08/2004US20040003789 Methods and apparatus for providing variable valve lift for camshaft-actuated valves
01/08/2004DE10325749A1 Ventilmechanismus einer Brennkraftmaschine Valve mechanism of an internal combustion engine
01/08/2004DE10227870A1 Ventiltrieb für eine Hubkolben-Brennkraftmaschine Valve Train for a reciprocating internal combustion engine
01/08/2004DE10227063A1 Verfahren zum Betreiben einer Brennkraftmaschine, Verfahren zur Überprüfung eines Verfahrens zum Betreiben einer Brennkraftmaschine, Brennkraftmaschine und Steuergerät A method of operating an internal combustion engine, method of verifying a method of operating an internal combustion engine, the internal combustion engine and control unit
01/08/2004DE10226822A1 Schlepphebel eines Ventiltriebs einer Brennkraftmaschine Drag lever of a valve train of an internal combustion engine
01/08/2004DE10226300A1 Einrichtung zur variablen Betätigung von Ventilen mittels Nocken, vorzugsweise für Verbrennungsmotoren Device for variable actuation of valves by means of cams, preferably for internal combustion engines
01/07/2004EP1378654A1 Control device for spark-ignition engine
01/06/2004US6672270 Fuel efficient valve mechanism for internal combustion engines
01/06/2004US6672269 Automatic compression release mechanism
01/06/2004US6672268 Method and apparatus for controlling electromagnetic driving valve for internal combustion engine
01/02/2004EP1375883A2 Method for operating an internal combustion engine, method for checking such a method for operating an internal combustion engine, internal combustion engine and control unit
01/02/2004EP1375847A2 Variable valve drive
01/02/2004EP1375843A1 Internal combustion engine
01/02/2004EP1375832A2 Method for adjusting the actuators linked to valve drive in an internal combustion engine
12/2003
12/31/2003WO2004001199A2 Improvements to latchable cam-lobe systems for poppet valve motion control
12/31/2003WO2004001198A1 A stroke adjusting device for valves of a combustion engine
12/31/2003CN2596022Y Automatic pressure reduction device of horizntal single cylinder diesel engine
12/31/2003CN1132996C Driving device for valve of engine
12/30/2003US6668779 Two-step finger follower rocker arm assembly
12/30/2003US6668776 Deactivation roller hydraulic valve lifter
12/30/2003US6668775 Lock-pin cartridge for a two-step finger follower rocker arm
12/30/2003US6668773 System and method for calibrating variable actuation system
12/30/2003US6668546 Utilization of air-assisted direct injection, cylinder deactivation and camshaft phasing for improved catalytic converter light-off in internal combustion engines
12/24/2003WO2003106818A1 Variable valve actuation mechanism with oscillating cam
12/24/2003WO2003031242A3 Engine brake control integration with vehicle service brakes
12/23/2003US6666197 Process and device for controlling cylinder selective filling in a combustion engine having a variable operation
12/23/2003US6666178 Valve deactivation with an electro-hydraulic actuator
12/18/2003WO2003074855A3 Apparatus and method for retarding an engine with an exhaust brake and a compression release brake
12/18/2003US20030230270 Finger lever of a valve train of an internal combustion engine
12/17/2003EP0727011B1 Simultaneous exhaust valve opening braking system
12/17/2003CN1131370C Air valve controlling system for IC engine
12/16/2003US6665165 Control method for the actuator of a variable valve train
12/16/2003US6662778 Engine compression release brake system and method for operating the same
12/16/2003US6662771 Timing chain lubricating system for engine
12/11/2003WO2003102382A1 Valve mechanism for internal combustion engine
12/11/2003US20030226543 Vacuum management system on a variable displacement engine
12/11/2003US20030226533 Valve timing control system for an internal combustion engine
12/11/2003US20030226531 Valve mechanism of internal combustion engine
12/11/2003US20030226530 System for variably actuating valves in internal combustion engines
12/11/2003US20030226529 Valve timing control apparatus for an internal combustion engine
12/10/2003EP1369567A1 System and method for controlling operation of a Otto-Miller engine
12/10/2003CN1460773A Valve system for internal combustion engine
12/10/2003CN1460772A Valve system for internal combustion engine
12/10/2003CN1130496C Valve operating system for IC engine
12/09/2003US6659059 Variable displacement valve seat for internal combustion engines
12/09/2003US6659057 Small four-cycle engine having compression relief to facilitate cranking
12/09/2003US6659055 Valve-timing control method and apparatus for controlling valve timing of a valve of an engine
12/09/2003US6659054 Internal combustion engine with variable valve control device
12/09/2003US6659053 Fully variable valve train
12/09/2003US6659052 Engageable cam follower or engageable lifter element
12/04/2003US20030221663 Compact lost motion system for variable valve actuation
12/04/2003US20030221652 Fuel efficient valve mechanism for internal combustion engines
12/04/2003US20030221645 Valve system for internal combustion engine
12/04/2003US20030221644 Engine valve actuation system
12/03/2003EP1367231A1 Valve lift control for internal combustion engines of vehicles
12/03/2003EP1367229A1 Variable cam engine and method for controlling the variable cam engine
12/03/2003EP1367228A1 Two-step finger follower rocker arm assembly
12/03/2003EP1366279A1 Control device for spark-ignition engine
12/03/2003CN1460147A Decompressor for 4-stroke cycle IC engine
12/03/2003CN1460146A Decompressor for 4-stroke cycle internal combustion engines
12/02/2003US6655361 Fuel injection control apparatus of engine
12/02/2003US6655349 System for controlling a variable valve actuation system
12/02/2003US6655345 Valve timing controller, valve timing control method and engine control unit for internal combustion engine
12/02/2003US6655333 Valve train of an internal combustion engine comprising one or more switchable support elements
12/02/2003US6655331 Piston-type internal-combustion engine having activatable, mechanically actuated cylinder valves
12/02/2003US6655330 Offset variable valve actuation mechanism
12/02/2003US6655329 Variable valve train for a cam activated lifting valve of an internal combustion engine
11/2003
11/27/2003WO2003098013A1 Engine valve driver
11/27/2003WO2003098012A1 Engine valve driver
11/27/2003US20030217728 Hydraulic control device for valve trains of engine
11/27/2003US20030217722 Decompression device for power generator engine
11/27/2003US20030217715 Variable valve actuating mechanism having torsional lash control spring
11/27/2003US20030217713 Variable valve opening for an internal combustion engine
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