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Class Information
Number: 123/90.39
Name: Internal-combustion engines > Poppet valve operating mechanism > Rocker
Description: Device comprising a pivoted element, usually directly engaging a valve stem, which transmits the motion developed in the operating mechanism to the valve.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7398752 |
Rocker arm for valve actuation |
Jul. 15, 2008 |
| 7392773 |
Lift-variable valve-operating system for internal combustion engine |
Jul. 1, 2008 |
| 7392777 |
Variable valve train of an internal combustion engine |
Jul. 1, 2008 |
| 7392776 |
Rocker arm construction |
Jul. 1, 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 |
| 7377241 |
Valve operating system for internal combustion engine |
May. 27, 2008 |
| 7377247 |
Adjustable valve rocker lever of a valve timing gear of an internal combustion engine |
May. 27, 2008 |
| 7367301 |
CAM follower |
May. 6, 2008 |
| 7367299 |
Variable ratio rocker assembly |
May. 6, 2008 |
| 7367297 |
Valve train for internal combustion engine |
May. 6, 2008 |
| 7363893 |
System for variable valvetrain actuation |
Apr. 29, 2008 |
| 7363894 |
Switchable valve-drive component |
Apr. 29, 2008 |
| 7360290 |
Method of manufacturing rocker arm |
Apr. 22, 2008 |
| 7357107 |
Valve system for internal combustion engine |
Apr. 15, 2008 |
| 7357108 |
Valve-operating mechanism |
Apr. 15, 2008 |
| 7350489 |
Finger lever of a valve train of an internal combustion engine |
Apr. 1, 2008 |
| 7350490 |
Connection element for the captive mounting of a lever-like cam follower |
Apr. 1, 2008 |
| 7341034 |
Hydraulic tappet |
Mar. 11, 2008 |
| 7328675 |
Finger lever of a valve drive of a combustion engine |
Feb. 12, 2008 |
| 7322325 |
Apparatus and methods for varying valve lift in an 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 |
| 7314029 |
Variable valve timing device adapted 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 |
| 7308872 |
Method and apparatus for optimized combustion in an internal combustion engine utilizing homogeneous charge compression ignition and variable valve actuation |
Dec. 18, 2007 |
| 7305952 |
Engine valve clearance adjusting method |
Dec. 11, 2007 |
| 7305951 |
Two-step roller finger follower |
Dec. 11, 2007 |
| 7302922 |
Device for the variable actuation of gas exchange valves of internal combustion engines and method for operating said device |
Dec. 4, 2007 |
| 7302924 |
Switchable drag lever of a valve timing mechanism of an internal combustion engine |
Dec. 4, 2007 |
| 7302923 |
Variable valve timing device adapted for internal combustion engine |
Dec. 4, 2007 |
| 7293539 |
Rocker arm assembly |
Nov. 13, 2007 |
| 7290512 |
Variable valve apparatus of internal combustion engine |
Nov. 6, 2007 |
| 7284515 |
Variable valve apparatus of internal combustion engine |
Oct. 23, 2007 |
| 7278384 |
Timing mechanism for a switchable two-step roller finger follower |
Oct. 9, 2007 |
| 7263956 |
Valve lifter assembly for selectively deactivating a cylinder |
Sep. 4, 2007 |
| 7261073 |
Valve drive |
Aug. 28, 2007 |
| 7258088 |
Engine valve actuation system |
Aug. 21, 2007 |
| 7258089 |
Variable valve unit for vee shape engine |
Aug. 21, 2007 |
| 7258091 |
Rocker arm |
Aug. 21, 2007 |
| 7252058 |
Lift-variable valve-operating system for internal combustion engine |
Aug. 7, 2007 |
| 7240652 |
Switchable drag lever of a valve timing mechanism of an internal combustion engine |
Jul. 10, 2007 |
| 7240649 |
Valve actuation device of internal combustion engine |
Jul. 10, 2007 |
| 7237519 |
Rocker arm for an engine |
Jul. 3, 2007 |
| 7228828 |
Control system and method for a valve actuator |
Jun. 12, 2007 |
| 7228833 |
Rocker system for an internal combustion engine |
Jun. 12, 2007 |
| 7225776 |
Valvetrain with two-step switchable rocker and deactivating stationary lash adjuster |
Jun. 5, 2007 |
| 7222599 |
Rocker arm made of sheet metal and method of manufacturing the same |
May. 29, 2007 |
| 7213551 |
Variable valve operating device |
May. 8, 2007 |
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