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Class Information
Number: 123/90.16
Name: Internal-combustion engines > Poppet valve operating mechanism > With means for varying timing > Cam-to-valve relationship
Description: Device wherein the means is located between a cam and the valve actuated thereby and serves to modify the operational relationship of the one to the other.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7389757 |
Force-transmitting arrangement for a valve train of an internal-combustion engine |
Jun. 24, 2008 |
| 7387096 |
Lift-variable valve-operating systems for internal combustion engine |
Jun. 17, 2008 |
| 7383801 |
Valve gear for load change valves of internal combustion engines |
Jun. 10, 2008 |
| 7383800 |
Assembly for actuating apparatus |
Jun. 10, 2008 |
| 7383799 |
Method for monitoring the operating condition of an engine valve system |
Jun. 10, 2008 |
| 7377247 |
Adjustable valve rocker lever of a valve timing gear of an internal combustion engine |
May. 27, 2008 |
| 7377241 |
Valve operating system for internal combustion engine |
May. 27, 2008 |
| 7377240 |
Method for operating an internal combustion engine |
May. 27, 2008 |
| 7373907 |
Valve lifter guide |
May. 20, 2008 |
| 7370617 |
Variable valve operating mechanism of four-stroke internal combustion engine |
May. 13, 2008 |
| 7367299 |
Variable ratio rocker assembly |
May. 6, 2008 |
| 7367298 |
Variable valve gear for internal combustion engine |
May. 6, 2008 |
| 7367297 |
Valve train for internal combustion engine |
May. 6, 2008 |
| 7363899 |
Valve drive of an internal combustion engine |
Apr. 29, 2008 |
| 7363895 |
Lift-variable valve-operating system for internal combustion engine |
Apr. 29, 2008 |
| 7363894 |
Switchable valve-drive component |
Apr. 29, 2008 |
| 7363893 |
System for variable valvetrain actuation |
Apr. 29, 2008 |
| 7363892 |
Engine valve operating system |
Apr. 29, 2008 |
| 7363891 |
Plant control |
Apr. 29, 2008 |
| 7360516 |
Variable valve timing apparatus executing reference position learning and control method thereof |
Apr. 22, 2008 |
| 7360515 |
Control apparatus for an internal combustion engine |
Apr. 22, 2008 |
| 7357107 |
Valve system for internal combustion engine |
Apr. 15, 2008 |
| 7353787 |
Electromagnetically driven valve |
Apr. 8, 2008 |
| 7350491 |
Lash adjuster and valve system |
Apr. 1, 2008 |
| 7350490 |
Connection element for the captive mounting of a lever-like cam follower |
Apr. 1, 2008 |
| 7350486 |
Variable valve actuation mechanism |
Apr. 1, 2008 |
| 7347173 |
Valve timing control system for internal combustion engine |
Mar. 25, 2008 |
| 7347171 |
Engine valve actuator providing Miller cycle benefits |
Mar. 25, 2008 |
| 7343887 |
Apparatus for abnormal diagnosis of variable valve timing mechanism |
Mar. 18, 2008 |
| 7341031 |
Valve timing controller |
Mar. 11, 2008 |
| 7331318 |
Camshaft adjuster with play-free locking |
Feb. 19, 2008 |
| 7331316 |
Control apparatus and control method for internal combustion engine |
Feb. 19, 2008 |
| 7325522 |
Valve drive for a cam-operated valve |
Feb. 5, 2008 |
| 7325521 |
System and method for improved cam retard |
Feb. 5, 2008 |
| 7322328 |
Variable cam follower for an internal combustion engine |
Jan. 29, 2008 |
| 7322327 |
Lubrication structure of camshaft with variable valve timing |
Jan. 29, 2008 |
| 7322325 |
Apparatus and methods for varying valve lift in an internal combustion engine |
Jan. 29, 2008 |
| 7322324 |
Valve operating apparatus of internal combustion engine |
Jan. 29, 2008 |
| 7322323 |
Valve actuation control apparatus for internal combustion engine |
Jan. 29, 2008 |
| 7318402 |
Dual lift rocker arm latch mechanism and actuation arrangement therefor |
Jan. 15, 2008 |
| 7318399 |
Variable valve mechanism |
Jan. 15, 2008 |
| 7318398 |
Engine valve actuation system |
Jan. 15, 2008 |
| 7318314 |
Method of controlling a supercharged internal-combustion engine with at least two cylinders and engine using such a method |
Jan. 15, 2008 |
| 7316210 |
Control apparatus and control method for variable valve actuation mechanism of internal combustion engine |
Jan. 8, 2008 |
| 7314041 |
EGR control system for internal combustion engine |
Jan. 1, 2008 |
| 7314030 |
Valve timing adjusting apparatus |
Jan. 1, 2008 |
| 7314029 |
Variable valve timing device adapted for internal combustion engine |
Jan. 1, 2008 |
| 7314028 |
Control apparatus for internal combustion engine |
Jan. 1, 2008 |
| 7314027 |
Variable valve unit for internal combustion engine |
Jan. 1, 2008 |
| 7311073 |
Continuous variable valve lift apparatus |
Dec. 25, 2007 |
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