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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 |
| 7614372 |
Bias spring arbor for a camshaft phaser |
Nov. 10, 2009 |
| 7614371 |
Engine valvetrain having variable valve lift timing and duration |
Nov. 10, 2009 |
| 7614370 |
Vane-type cam phaser having bias spring system to assist intermediate position pin locking |
Nov. 10, 2009 |
| 7613558 |
Differential limiting control apparatus for a vehicle and the method thereof |
Nov. 3, 2009 |
| 7610898 |
Apparatus and method for controlling idle speed of internal combustion engine |
Nov. 3, 2009 |
| 7610897 |
Valvetrain control systems for internal combustion engines with time and event based control |
Nov. 3, 2009 |
| 7610889 |
Camshaft assembly including a target wheel |
Nov. 3, 2009 |
| 7610885 |
Variable drive for camshafts |
Nov. 3, 2009 |
| 7610884 |
Valve timing control system |
Nov. 3, 2009 |
| 7610883 |
Valve timing control apparatus |
Nov. 3, 2009 |
| 7610881 |
Apparatus for an internal combustion engine |
Nov. 3, 2009 |
| 7607416 |
Engine control device |
Oct. 27, 2009 |
| 7607410 |
System and method of controlling fuel delivery during positive valve overlap operation of an engine start |
Oct. 27, 2009 |
| 7603975 |
Valve timing controller |
Oct. 20, 2009 |
| 7603974 |
Variable camshaft timing system for an internal combustion engine |
Oct. 20, 2009 |
| 7603972 |
Cylinder deactivation system for vehicle and variable valve lift system using the same |
Oct. 20, 2009 |
| 7603224 |
Cam phasing control system for improving regeneration efficiency |
Oct. 13, 2009 |
| 7603223 |
Apparatus for adjusting valve timing when starting internal combustion engine |
Oct. 13, 2009 |
| 7600495 |
Method for controlling an engine having variable cam timing |
Oct. 13, 2009 |
| 7597092 |
Internal combustion engine and method for controlling a supercharged internal combustion engine |
Oct. 6, 2009 |
| 7597076 |
Camshaft adjuster |
Oct. 6, 2009 |
| 7597075 |
Electrically driven camshaft adjuster |
Oct. 6, 2009 |
| 7597073 |
Valve timing control apparatus |
Oct. 6, 2009 |
| 7597072 |
System and method for operating a multiple fuel engine |
Oct. 6, 2009 |
| 7594488 |
Cylinder head cover and method for mounting cylinder head cover to cylinder head |
Sep. 29, 2009 |
| 7594487 |
Apparatus for and method of controlling motion mechanism |
Sep. 29, 2009 |
| 7594486 |
Engine control system |
Sep. 29, 2009 |
| 7594485 |
Valve actuation system for internal combustion engine |
Sep. 29, 2009 |
| 7593805 |
Control system for internal combustion engine |
Sep. 22, 2009 |
| 7591238 |
Variable valve-operating device |
Sep. 22, 2009 |
| 7591237 |
Electromechanical variable valve actuator with a spring controller |
Sep. 22, 2009 |
| 7588004 |
Vane-type camshaft adjuster |
Sep. 15, 2009 |
| 7588003 |
Valve train for internal combustion engine |
Sep. 15, 2009 |
| 7584731 |
Camshaft adjuster for an internal combustion engine |
Sep. 8, 2009 |
| 7584730 |
Valve train device for engine |
Sep. 8, 2009 |
| 7584729 |
Variable valve timing controller for internal combustion engine |
Sep. 8, 2009 |
| 7584728 |
Method and apparatus for operating an oil flow control valve |
Sep. 8, 2009 |
| 7581523 |
Auxiliary arrangement structure in internal combustion engine |
Sep. 1, 2009 |
| 7581519 |
Phase adjusting apparatus and a cam shaft phase adjusting apparatus for an internal combustion engine |
Sep. 1, 2009 |
| 7581316 |
Vane-type camshaft adjuster |
Sep. 1, 2009 |
| 7578275 |
Device for variably setting the control times of gas exchange valves of an internal combustion engine |
Aug. 25, 2009 |
| 7578274 |
Camshaft adjuster |
Aug. 25, 2009 |
| 7578273 |
Device for adjusting the phase angle between two rotating, drive-connected element |
Aug. 25, 2009 |
| 7578271 |
Valve timing controller |
Aug. 25, 2009 |
| 7571700 |
Valve timing control apparatus |
Aug. 11, 2009 |
| 7571047 |
Detection of valve deactivation failure by monitoring exhaust temperature |
Aug. 4, 2009 |
| 7568458 |
Valve event reduction through operation of a fast-acting camshaft phaser |
Aug. 4, 2009 |
| 7568457 |
Valve driving device for multi-cylinder internal combustion engine |
Aug. 4, 2009 |
| 7568456 |
Valve gear |
Aug. 4, 2009 |
| 7568455 |
Method and device for controlling an electrodynamic brake of an electric camshaft adjuster for an internal combustion engine |
Aug. 4, 2009 |
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