| 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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| 04/29/2004 | DE10247949A1 Schaltbares Abstützelement für einen Ventiltrieb einer Brennkraftmaschine Switchable support for a valve train of an internal combustion engine |
| 04/28/2004 | EP1413716A2 Control apparatus and method for valve actuating system of internal combustion engine |
| 04/28/2004 | EP1412621A1 Variable valve-stroke controller |
| 04/27/2004 | US6728627 Apparatus and method for measuring intake air flow amount of internal combustion engine |
| 04/27/2004 | US6725821 Apparatus and method for starting an engine |
| 04/22/2004 | WO2004033942A2 Maintaining controlled orientation of a roller lifter follower used in conjunction with a variable phased valve lifter |
| 04/22/2004 | WO2004033863A1 Apparatus for deactivating an engine valve |
| 04/22/2004 | WO2004033862A1 Cylinder operation control apparatus for internal combustion engine |
| 04/22/2004 | US20040074459 Compact two-step rocker arm assembly |
| 04/22/2004 | US20040074457 Variable valve distributor for load-controlling a spark-ignited internal combustion engine |
| 04/22/2004 | DE19841484B4 Variable Ventilhubvorrichtung Variable valve |
| 04/22/2004 | DE10247516A1 Device for controlling combustion engine cylinder shut-down has memory recording gas exchange valve movement time variation, data processing unit combining valves into groups for common activation |
| 04/21/2004 | EP1411214A2 Disconnectable supporting element for valve drive in an internal combustion engine |
| 04/21/2004 | EP1411213A1 Internal combustion engine valve control apparatus |
| 04/21/2004 | EP1411211A1 Valve system for a motor vehicle |
| 04/21/2004 | EP1409854A1 Method for the load-controlled operation of electromagnetically actuated inlet valves of an internal combustion engine |
| 04/21/2004 | EP1409851A1 Variable lost motion valve actuator and method |
| 04/21/2004 | CN1490503A Controlling system for IC engine |
| 04/20/2004 | US6722349 Efficient internal combustion engine valve actuator |
| 04/20/2004 | US6722326 Variable lift cylinder valve system for internal combustion engine |
| 04/20/2004 | US6722325 Variable valve control apparatus for engine and method thereof |
| 04/15/2004 | WO2004031541A1 Valve mechanism for internal combustion engines |
| 04/15/2004 | WO2004031540A1 Switching element for a valve gear of an internal combustion engine |
| 04/15/2004 | US20040069259 Variable lift cylinder valve system for internal combustion engine |
| 04/15/2004 | US20040069258 Cam cover gasket |
| 04/15/2004 | US20040069256 Variable timing device for reciprocating engines, engines comprising same and distribution and turbocharging method |
| 04/15/2004 | US20040069054 Valve gear control device of internal combustion engine |
| 04/15/2004 | DE10342457A1 Motorventilbetätiger Motorventilbetätiger |
| 04/15/2004 | DE10341354A1 Ventiltriebsystem einer Brennkraftmaschine und Verfahren zu dessen Steuerung A valve drive system of an internal combustion engine and method of control |
| 04/15/2004 | CA2497149A1 Switching element for a valve gear of an internal combustion engine |
| 04/14/2004 | EP1408222A1 Spark-ignition engine controller |
| 04/14/2004 | EP1408203A2 A cam cover gasket |
| 04/14/2004 | EP1408202A2 Internal combustion engine equipped with a processor and cylinders which each contain at least two electromagnetic controlled inlet valves |
| 04/14/2004 | EP1407122A1 Connectable bucket tappet |
| 04/14/2004 | EP1407121A1 Variable valve gear |
| 04/14/2004 | CN1489668A Controller of internal combustion engine |
| 04/13/2004 | US6718945 Multicylinder petrol engine with variable actuation of the valves |
| 04/13/2004 | US6718940 Hydraulic lash adjuster with compression release brake |
| 04/13/2004 | US6718937 System and method for performing partial cylinder cut-off of internal combustion engine |
| 04/13/2004 | US6718929 Starting method for internal combustion engine and starting device for the same |
| 04/13/2004 | US6718923 Hydraulic play compensation element for a valve gear of an internal combustion engine |
| 04/13/2004 | US6718922 Cam phase control apparatus and method, and engine control unit for internal combustion engine |
| 04/08/2004 | US20040065284 Apparatus for deactivating an engine valve |
| 04/08/2004 | US20040065283 Engine valve actuator |
| 04/08/2004 | US20040065282 Apparatus and method for maintaining controlled orientation of a roller lifter follower used in conjunction with a variable phased valve lifter |
| 04/08/2004 | US20040065279 Spark-ignition engine controller |
| 04/08/2004 | US20040065278 Control device for spark-ignition engine |
| 04/08/2004 | DE4411182B4 Schaltbare Ventilsteuerung für Brennkraftmaschinen Switchable valve control for internal combustion engines |
| 04/08/2004 | DE19880979B4 Housing for valve cup lifter of internal combustion engine |
| 04/08/2004 | DE10245301A1 Schaltelement für einen Ventiltrieb einer Brennkraftmaschine Switching element for a valve drive of an internal combustion engine |
| 04/08/2004 | DE10239751A1 Zylinderkopfabschnitt einer Brennkraftmaschine Cylinder head portion of an internal combustion engine |
| 04/07/2004 | EP1406002A1 Spark-ignition engine controller |
| 04/07/2004 | CN1488033A Valve gear control device of internal combustion engine |
| 04/06/2004 | US6715466 Method and apparatus for operating an internal combustion engine exhaust valve for braking |
| 04/06/2004 | US6715456 Variable valve control comprising a sliding-block part and a free travel |
| 04/06/2004 | US6715453 Method and apparatus for preventing locking of engine-operating-characteristic changing device |
| 04/01/2004 | WO2004027225A1 Lost motion system and method for fixed-time valve actuation |
| 04/01/2004 | WO2004027224A1 Deactivation and tow-step roller finger follower having a bracket and lost motion spring |
| 04/01/2004 | DE10243167A1 Internal combustion engine and especially two-stroke has bypass line which branches upstream of starting device in flow direction of fuel and air mixture and opens out downstream of starting device |
| 03/31/2004 | EP1403487A2 Control system and method for an internal combustion engine having a VVT device |
| 03/31/2004 | EP1403474A1 Valve driving device for an engine, an engine equipped therewith and camshaft therefor |
| 03/31/2004 | EP1403472A1 Valve control for an internal combustion engine |
| 03/31/2004 | EP1403471A2 Variable valve timing system for an internal combustion engine |
| 03/31/2004 | EP1403470A1 Electromagnetic brake cooling structure of phase variable device in car engine |
| 03/31/2004 | EP0961870B1 Multi-cylinder diesel engine with variable valve actuation |
| 03/30/2004 | US6712030 Internal-combustion engine with hydraulic system for variable operation of the engine valves |
| 03/25/2004 | WO2004025109A1 System and method for internal exhaust gas recirculation |
| 03/25/2004 | US20040055569 Method and apparatus for a variable displacement internal combustion engine |
| 03/25/2004 | US20040055552 Thermal compensating desmodromic valve actuation system |
| 03/25/2004 | US20040055549 Variable valve timing system for an internal combustion engine |
| 03/25/2004 | US20040055548 Variable duration valve timing camshaft |
| 03/25/2004 | DE10243494A1 Engine brake device for a multicylinder internal combustion engine, especially an auto-ignition engine, comprises a decompression device having two independently and differently controlled decompression valves for each cylinder |
| 03/25/2004 | DE10242235A1 Camshaft with variable valve control for IC engine has an additional cam profile controlled by a servo drive with infinite adjustment |
| 03/24/2004 | EP1399648A1 Valve timing mechanism for a rotary valve internal combustion engine |
| 03/24/2004 | CA2440967A1 An automatic mechanical decompressor for an internal combustion engine |
| 03/23/2004 | US6708680 Process intended for self-ignition control in a four-stroke engine |
| 03/23/2004 | US6708660 Finger lever of a valve train of an internal combustion engine |
| 03/23/2004 | US6708658 Internal combustion engine |
| 03/18/2004 | US20040050354 Valve mechanism comprising a variable cross-section of a valve opening |
| 03/18/2004 | US20040050353 Variable duration camshaft |
| 03/18/2004 | US20040050352 Variable valve train for a cam-activated lifting valve of an internal combustion engine |
| 03/18/2004 | DE20314365U1 Rotary valve internal combustion engine has spherical valve drive with variable timing and flap valves to control |
| 03/18/2004 | DE10242758A1 Valve gear for internal combustion engine has device for independent operation of one exhaust valve, and independently operable exhaust valve is disconnectable from common drive which consists of forked rocking lever or drag lever |
| 03/18/2004 | DE10241920A1 Valve control system for IC engine has at least two cams per cylinder on a camshaft with axial adjustment and with one cam with a circular outer profile to switch off the valve action |
| 03/17/2004 | EP1397581A1 Hydraulic play compensation element for a valve gear of an internal combustion engine |
| 03/16/2004 | US6705293 Control system and method for a multi-cylinder internal combustion engine |
| 03/16/2004 | US6705265 Four-stroke internal combustion engine with valve resting mechanism |
| 03/16/2004 | US6705264 Valve control for outboard motor engine |
| 03/16/2004 | US6705259 3-step cam-profile-switching roller finger follower |
| 03/16/2004 | US6705258 Valve system for variable displacement diesel engine |
| 03/16/2004 | US6705257 Apparatus and method for controlling variable valve in internal combustion engine |
| 03/16/2004 | US6705256 Valve timing control system for internal combustion engine |
| 03/11/2004 | WO2004020809A1 Cylinder head section of an internal combustion engine |
| 03/11/2004 | WO2004020801A1 Fourstroke-engine with nonconstant compression |
| 03/11/2004 | US20040045283 Valve train system of internal combustion engine and control method thereof |
| 03/10/2004 | EP1396624A1 Control device of hybrid vehicle |
| 03/10/2004 | EP1396613A2 Valve timing control system for internal combustion engine |
| 03/10/2004 | EP1395737A2 Latched reset mechanism for engine brake |
| 03/09/2004 | US6701959 High flow rate balanced poppet valve |
| 03/09/2004 | US6701888 Compression brake system for an internal combustion engine |