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Class Information
Number: 123/90.15
Name: Internal-combustion engines > Poppet valve operating mechanism > With means for varying timing
Description: Device wherein means provided to vary the time, extent of duration of valve opening relative to the operating cycle of the engine.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6910450 |
Variable valve timing structure for outboard motor engine |
Jun. 28, 2005 |
| 6910451 |
Valve timing control system and method of producing valve timing control system |
Jun. 28, 2005 |
| 6910461 |
Control apparatus for internal combustion engine |
Jun. 28, 2005 |
| 6907851 |
Engine valve actuation system |
Jun. 21, 2005 |
| 6907853 |
Variable valve timing control device |
Jun. 21, 2005 |
| 6904880 |
VCT sensor and actuator module |
Jun. 14, 2005 |
| 6904881 |
Apparatus and method for controlling internal combustion engine |
Jun. 14, 2005 |
| 6907339 |
Method for controlling an internal combustion engine |
Jun. 14, 2005 |
| 6901815 |
Engine torque sensor |
Jun. 7, 2005 |
| 6901893 |
Valve deactivator assembly |
Jun. 7, 2005 |
| 6901897 |
Method and intake cam for retaining exhaust residuals for emissions reduction in a diesel engine |
Jun. 7, 2005 |
| 6904355 |
Vehicle controller for controlling an air-fuel ratio |
Jun. 7, 2005 |
| 6899068 |
Hydraulic valve actuation system |
May. 31, 2005 |
| 6899070 |
Engine with dual oiling and hydraulic valves |
May. 31, 2005 |
| 6895911 |
Method for simultaneously moving cam shafts of various cylinder banks pertaining to an internal combustion engine |
May. 24, 2005 |
| 6895912 |
Variable valve control apparatus for engine and method thereof |
May. 24, 2005 |
| 6895913 |
Internal-combustion engine with a hydraulic device for a rotation angle adjustment of a camshaft relative to a crankshaft |
May. 24, 2005 |
| 6892684 |
Variable valve gear |
May. 17, 2005 |
| 6892686 |
Magnet actuator for a camshaft controller |
May. 17, 2005 |
| 6889638 |
Internal combustion engine comprising an electromagnetic actuator which is situated on a cylinder head |
May. 10, 2005 |
| 6889639 |
Device for controlling gas exchange valves |
May. 10, 2005 |
| 6889640 |
Valve timing control device |
May. 10, 2005 |
| 6889641 |
Camshaft control device and control valve with leakage compensation |
May. 10, 2005 |
| 6886509 |
Hydraulic actuator for actuating a gas exchange valve of an internal combustion engine |
May. 3, 2005 |
| 6886510 |
Engine valve actuator assembly with dual hydraulic feedback |
May. 3, 2005 |
| 6886511 |
Lost motion assembly for a poppet valve of an internal combustion engine |
May. 3, 2005 |
| 6886533 |
Internal combustion engine with multiple intake valves and variable valve actuation and timing |
May. 3, 2005 |
| 6885934 |
Method and system for determining camshaft position |
Apr. 26, 2005 |
| 6885976 |
Fault determining apparatus, fault determining method and engine control unit for variable valve timing mechanism |
Apr. 26, 2005 |
| 6883474 |
Electrohydraulic engine valve actuator assembly |
Apr. 26, 2005 |
| 6883475 |
Phaser mounted DPCS (differential pressure control system) to reduce axial length of the engine |
Apr. 26, 2005 |
| 6883476 |
Control system and method for an internal combustion engine |
Apr. 26, 2005 |
| 6883477 |
Apparatus for deactivating an engine valve |
Apr. 26, 2005 |
| 6883478 |
Fast-acting lock pin assembly for a vane-type cam phaser |
Apr. 26, 2005 |
| 6883479 |
VCT phaser having an electromagnetic lock system for shift and lock operation |
Apr. 26, 2005 |
| 6883481 |
Torsional assisted multi-position cam indexer having controls located in rotor |
Apr. 26, 2005 |
| 6883482 |
Variable valve timing controller |
Apr. 26, 2005 |
| 6880504 |
Valve timing control apparatus for internal combustion engine |
Apr. 19, 2005 |
| 6880505 |
Valve timing control system |
Apr. 19, 2005 |
| 6877465 |
Method and apparatus for adjusting the angular position of a collar on a shaft |
Apr. 12, 2005 |
| 6877466 |
Variable valve operating system for internal combustion engine |
Apr. 12, 2005 |
| 6877468 |
System for controlling valve timing in event of failure |
Apr. 12, 2005 |
| 6877469 |
Control device for an air valve of an engine |
Apr. 12, 2005 |
| 6874469 |
Control system for internal combustion engine |
Apr. 5, 2005 |
| 6871617 |
Method of correcting valve timing in engine having electromechanical valve actuation |
Mar. 29, 2005 |
| 6871619 |
Valve actuator for actuating a gas exchange valve of an internal combustion engine |
Mar. 29, 2005 |
| 6871621 |
Camshaft adjuster for internal combustion engines of motor vehicles |
Mar. 29, 2005 |
| 6868811 |
Frameless variable valve actuation mechanism |
Mar. 22, 2005 |
| 6868812 |
Valve timing control system for internal combustion engine |
Mar. 22, 2005 |
| 6866012 |
Electromagnetically driven valve control apparatus and electromagnetically driven valve control method for internal combustion engine |
Mar. 15, 2005 |
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