| 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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| 11/11/2004 | WO2004097186A1 Valve gear of engine |
| 11/11/2004 | WO2004097185A1 Valve-moving device for engine |
| 11/11/2004 | US20040221827 Adjustable valve train with hydraulic lifters |
| 11/11/2004 | US20040221824 Rotary actuator device to control the stroke of a charge exchange poppet valve in the cylinder head of an internal combustion engine |
| 11/11/2004 | DE10318295A1 Schlepphebel eines Ventiltriebs einer Brennkraftmaschine Drag lever of a valve train of an internal combustion engine |
| 11/11/2004 | DE10314683A1 Variable Ventilhubsteuerung für einen Verbrennungsmotor mit untenliegender Nockenwelle Variable valve lift control for an internal combustion engine with lower camshaft |
| 11/11/2004 | DE10297129T5 Verfahren zum Steuern des Ladedrucks eines turbogeladenen Verbrennungsmotors und zugehöriger Verbrennungsmotor A method for controlling the boost pressure of a turbocharged internal combustion engine and associated internal combustion engine |
| 11/11/2004 | CA2536772A1 Valve-moving device for engine |
| 11/11/2004 | CA2536767A1 Valve gear of engine |
| 11/10/2004 | EP1474600A1 An apparatus for an internal combustion engine |
| 11/10/2004 | CN1544800A Pressure differential style air valve variation control system |
| 11/09/2004 | US6814040 Deactivation roller hydraulic valve lifter |
| 11/09/2004 | US6814039 Valve-actuating devices for internal combustion engines having changeable stroke functions |
| 11/09/2004 | US6814036 Valve control for adjusting the stroke of valves of motor vehicle engines |
| 11/09/2004 | US6814035 Intake quantity control apparatus of internal combustion engine |
| 11/09/2004 | CA2242687C Automatic compression release mechanism for an internal combustion engine |
| 11/04/2004 | WO2004094791A1 Rocker arm of a valve gear of a combustion engine |
| 11/04/2004 | WO2003018964A3 Device for the variable control of gas exchange valves in an internal combustion engine |
| 11/04/2004 | US20040216708 Apparatus and method for controlling variable valve operating mechanism |
| 11/04/2004 | US20040216707 Intake valve control system and method for internal combustion engine |
| 11/04/2004 | DE4395831B4 Kraftstoffsteuervorrichtung für einen Motor mit abschaltbaren Zylindergruppen Fuel control apparatus for an engine having disconnectable groups of cylinders |
| 11/04/2004 | DE4206166B4 Variabler Ventiltrieb für ein Hubventil einer Maschine Variable valve train for a lift valve of an engine |
| 11/04/2004 | DE10317652A1 Verfahren zur Steuerung einer Nockenwellenverstelleinrichtung Method for controlling a camshaft adjustment device |
| 11/04/2004 | DE10317515A1 Engine brake device for multicylinder, four-stroke internal combustion engine, has auxiliary valve that is opened to blow out gaseous medium from work space of cylinder such that gaseous medium is sent into work space of another cylinder |
| 11/04/2004 | DE10316900A1 Functional efficiency testing method of a device for adjusting stroke of gas-exchange valves of externally-ignited combustion engine, involves adjusting stroke of gas-exchange valves and evaluating changing of crankshaft acceleration |
| 11/04/2004 | DE10316899A1 Testing method of functional efficiency of a device for adjusting stroke of gas-exchange valves of self-igniting combustion engine, involves adjusting stroke of gas-exchange valves and evaluating changing of crankshaft acceleration |
| 11/04/2004 | DE10316588A1 Variable positive valve control for an internal combustion engine, has continuous adjustment for a valve's open period and partial compensation for resulting loss in valve lift |
| 11/03/2004 | EP1472440A1 Efficient internal combustion engine valve actuator |
| 11/03/2004 | EP1472439A1 Engine valve actuator providing miller cycle benefits |
| 11/03/2004 | EP1472438A1 Switch element for valve actuation in an internal combustion engine |
| 11/03/2004 | EP1472437A1 Engine valve actuator |
| 11/03/2004 | EP0963508B1 Adjustment mechanism for valves |
| 11/03/2004 | CN2653136Y Pressure reducer for motorcycle engine |
| 11/03/2004 | CN2653135Y Gas exhaust valve brake for diesel engine |
| 11/03/2004 | CN1543533A Rotary actuator device for controlling the stroke of a gas-shuttle poppet valve in the cylinder head of an internal combustion engine |
| 11/02/2004 | US6810845 Lubrication system using valves to meet various engine oil pressure requirements |
| 11/02/2004 | US6810844 Method for 3-step variable valve actuation |
| 11/02/2004 | US6810842 Oil control valve and installing method thereof |
| 11/02/2004 | US6810840 Internal combustion engine and method for the operation thereof |
| 10/28/2004 | WO2004092551A1 Combustion engine |
| 10/28/2004 | WO2004092550A1 Valve gear and method for opening and closing a passage |
| 10/28/2004 | US20040214687 Control device and method for engine and transmission |
| 10/28/2004 | US20040211393 Method and device for equalizing the filling of the cylinders of a multi-cylinder internal combustion engine |
| 10/28/2004 | US20040211379 Device and method for the relative rotational adjustment of a camshaft and a drive wheel of an internal combustion engine |
| 10/28/2004 | US20040211375 Anti-rotation guide for a deactivation hydraulic valve lifter |
| 10/28/2004 | DE10316990A1 Fully-variable valve operating gear for vehicle engine includes cams with inclined running surfaces operated in longitudinal direction by adjuster |
| 10/28/2004 | DE10316189A1 Tow lever for a combustion engine valve drive has outer and inner levers connected through an axle across the inner lever |
| 10/27/2004 | EP1471231A1 Variable valve type internal combustion engine and control method thereof |
| 10/26/2004 | US6808158 Hydraulic outlet-valve actuation and method of making and using same |
| 10/26/2004 | US6807937 Multi-cylinder diesel engine with variably actuated valves |
| 10/26/2004 | US6807930 Actuating drives for valve drives having a variably adjustable stroke, for valves of internal combustion engines |
| 10/26/2004 | US6807929 Engine valve actuation system and method |
| 10/21/2004 | WO2004033942A3 Maintaining controlled orientation of a roller lifter follower used in conjunction with a variable phased valve lifter |
| 10/21/2004 | US20040209736 Control system for internal combustion engine |
| 10/21/2004 | US20040206334 Variable valve type internal combustion engine and control method thereof |
| 10/21/2004 | US20040206331 Engine valve actuator |
| 10/21/2004 | US20040206324 Finger lever of a valve train of an internal combustion engine |
| 10/21/2004 | US20040206321 Valve timing control for marine engine |
| 10/21/2004 | DE10360293A1 Montage- und Verdrehsicherungsvorrichtung für Rollenstößel eines Ventiltriebs einer Brennkraftmaschine Installation and anti-rotation device for a roller tappet valve train of an internal combustion engine |
| 10/21/2004 | DE10312962A1 Vorrichtung zur Betätigung von Ladungswechselventilen in Hubkolbenmotoren Device for actuating gas exchange valves in reciprocating engines |
| 10/21/2004 | DE10312958A1 Vorrichtung zur vairablen Betätigung der Gaswechselventile von Verbrennungsmotoren und Verfahren zum Betreiben einer derartigen Vorrichtung Apparatus for vairablen actuating the gas exchange valves of internal combustion engines and methods for operating such a device |
| 10/21/2004 | DE102004012800A1 Ventilbetätigungsvorrichtung für Verbrennungsmotoren The valve operating device for internal combustion engines |
| 10/21/2004 | DE10061711B4 Ventilsteuerung für ein Gaswechselventil einer Brennkraftmaschine Valve control for a gas exchange valve of an internal combustion engine |
| 10/19/2004 | US6805085 Hydraulic system for an internal combustion engine |
| 10/19/2004 | US6805084 Connectable bucket tappet |
| 10/19/2004 | US6805083 Cam cover gasket |
| 10/14/2004 | WO2004088099A1 Variable valve lift control system for a combustion engine with underneath camshaft |
| 10/14/2004 | WO2004088096A1 Apparatus for an internal combustion engine |
| 10/14/2004 | WO2004088094A2 Variable valve lift device for the lift adjustment of gas-exchange valves of an internal combustion engine |
| 10/14/2004 | US20040200446 Adjustable valve control system with twin cams and cam lift summation lever |
| 10/14/2004 | US20040200445 Multi-cylinder engine |
| 10/13/2004 | EP1466083A1 Method for reversing the direction of rotation of a two-stroke engine |
| 10/13/2004 | EP1466082A1 Switched cam follower or switched support element of a valve gear of an internal combustion engine |
| 10/13/2004 | EP1105627B1 Variable valve timing mechanism |
| 10/13/2004 | EP1101017B1 Desmodromic cam driven variable valve timing mechanism |
| 10/13/2004 | CN1171010C Engine with valve stop function |
| 10/12/2004 | US6802288 Deactivation hydraulic valve lifter having a pressurized oil groove |
| 10/12/2004 | US6802286 Valve timing control system for an internal combustion engine |
| 10/12/2004 | US6802285 Engine having a variable valve actuation system |
| 10/07/2004 | WO2004085805A1 Device for the actuation of charge exchange valves in reciprocating piston engines |
| 10/07/2004 | WO2004085804A1 Device for the variable actuation of the gas exchange valves of internal combustion engines, and method for operating one such device |
| 10/07/2004 | WO2004085803A1 Device for the variable actuation of the gas exchange valves of internal combustion engines |
| 10/07/2004 | WO2004085802A1 Device for the variable actuation of gas exchange valves of internal combustion engines and method for operating said device |
| 10/07/2004 | US20040194748 Method of controlling internal combustion engine |
| 10/07/2004 | US20040194747 Engine valve actuator assembly |
| 10/07/2004 | DE10310476A1 Valve gear for internal combustion engines in order to reduce flexural loads of rocker lever has force of valve closing springs applied to cam side of rocker lever |
| 10/07/2004 | DE102004011586A1 Ventiltrieb einer einen Zylinderkopf aufweisenden Brennkraftmaschine Valve train of an a cylinder head having internal combustion engine |
| 10/07/2004 | CA2519578A1 Device for the variable actuation of the gas exchange valves of internal combustion engines |
| 10/06/2004 | EP1463874A1 Device for variably actuating the gas exchange valves in reciprocating engines |
| 10/06/2004 | CN2646403Y Gas mixer of general purpose miniature gas engine |
| 10/06/2004 | CN2646389Y Camshaft assembly pressure reducing valve of gasoline engine |
| 10/06/2004 | CN1534171A Variator air valve device for IC engine |
| 10/06/2004 | CN1534170A Variator valve operating system for IC engine |
| 10/06/2004 | CN1534169A Air valve operator for IC engine |
| 10/05/2004 | US6800002 Valve timing control for marine engine |
| 10/05/2004 | US6799543 Valve deactivation system with free motion spring |
| 09/30/2004 | WO2004083611A1 Valve drive of an internal combustion engine comprising a cylinder head |
| 09/30/2004 | WO2004083608A1 Switchable rocker actuator for the timing gear of a combustion engine |
| 09/30/2004 | WO2004083607A2 Engine valve actuator assembly |
| 09/30/2004 | US20040187842 Engine braking methods and apparatus |