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Class Information
Number: 123/90.2
Name: Internal-combustion engines > Poppet valve operating mechanism > With compound movement of cam follower
Description: Device wherein means in the form of a groove, or its equivalent, in the outer surface of a revolving drum is provided to displace the cam follower both axially and radially of the camshaft.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7409940 |
Apparatus and method for maintaining controlled orientation of a roller lifter follower used in conjunction with a variable phased lifter |
Aug. 12, 2008 |
| 7406932 |
Lift-variable valve-operating system for internal combustion engine |
Aug. 5, 2008 |
| 7392775 |
Helical cam device and method |
Jul. 1, 2008 |
| 7367301 |
CAM follower |
May. 6, 2008 |
| 7311072 |
Control unit for a valve, especially a gas exchange valve of an internal combustion engine |
Dec. 25, 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 |
| 7296546 |
Device for the variable actuation of the gas exchange valves of internal combustion engines, and method for operating one such device |
Nov. 20, 2007 |
| 7287497 |
Engine valve actuation system and method |
Oct. 30, 2007 |
| 7281504 |
Valve train device for engine |
Oct. 16, 2007 |
| 7278384 |
Timing mechanism for a switchable two-step roller finger follower |
Oct. 9, 2007 |
| 7255076 |
Variable valve lift apparatus for vehicle engines |
Aug. 14, 2007 |
| 7252058 |
Lift-variable valve-operating system for internal combustion engine |
Aug. 7, 2007 |
| 7246578 |
Valve operating mechanism of internal combustion engine |
Jul. 24, 2007 |
| 7237520 |
Hydraulic valve-lash-adjusting element (HVA) |
Jul. 3, 2007 |
| 7188595 |
Variable valve actuation device of internal combustion engine |
Mar. 13, 2007 |
| 7171930 |
Rocker arm for valve actuation in internal combustion engines |
Feb. 6, 2007 |
| 7124721 |
Control device for a gas exchange valve in an internal combustion engine |
Oct. 24, 2006 |
| 7121241 |
Valve control system including deactivating rocker arm |
Oct. 17, 2006 |
| 7121239 |
Valve train for internal combustion engine |
Oct. 17, 2006 |
| 7107949 |
Device for variable activation of valves for internal combustion engines |
Sep. 19, 2006 |
| 7104231 |
Valve train of internal combustion engine |
Sep. 12, 2006 |
| 7069890 |
Valve train device for an engine |
Jul. 4, 2006 |
| 7055476 |
Valve actuation apparatus for internal combustion engine |
Jun. 6, 2006 |
| 7044094 |
Valve-lift device for the variable control of gas-exchange valves of an internal combustion engine |
May. 16, 2006 |
| 7040267 |
Fully variable mechanical valve gear for a piston-type internal combustion engine |
May. 9, 2006 |
| 7011057 |
Variable valve operating control apparatus for internal combustion engine and control method thereof |
Mar. 14, 2006 |
| 7011055 |
Variable valve operating control apparatus for internal combustion engine and control method thereof |
Mar. 14, 2006 |
| 7000581 |
Mono-shaft four-stroke engine |
Feb. 21, 2006 |
| 6990935 |
Pivoting lifter control system using spool valve and check valve to recirculate oil |
Jan. 31, 2006 |
| 6978749 |
Means to add torsional energy to a camshaft |
Dec. 27, 2005 |
| 6976462 |
Double roller cam follower |
Dec. 20, 2005 |
| 6976461 |
Finger lever of a valve train of an internal combustion engine |
Dec. 20, 2005 |
| 6968819 |
Variable valve actuating device |
Nov. 29, 2005 |
| 6964252 |
Valve lifter for internal combustion engine |
Nov. 15, 2005 |
| 6955146 |
System for variably actuating valves in internal combustion engines |
Oct. 18, 2005 |
| 6948465 |
Variable valve mechanism for engine |
Sep. 27, 2005 |
| 6935289 |
Valve drive system for four-stroke engine |
Aug. 30, 2005 |
| 6880507 |
Internal combustion engine with switchable cam follower |
Apr. 19, 2005 |
| 6848402 |
Methods and apparatus for providing variable valve lift for camshaft-actuated valves |
Feb. 1, 2005 |
| 6823826 |
Variable valve mechanism |
Nov. 30, 2004 |
| 6742483 |
Assisting device and method for variable valve mechanism |
Jun. 1, 2004 |
| 6736097 |
Apparatus and method for maintaining controlled orientation of a roller lifter follower used in conjunction with a variable phased valve lifter |
May. 18, 2004 |
| 6705259 |
3-step cam-profile-switching roller finger follower |
Mar. 16, 2004 |
| 6684831 |
Electrically rotatable shaft |
Feb. 3, 2004 |
| 6425357 |
Variable valve drive mechanism and intake air amount control apparatus of internal combustion engine |
Jul. 30, 2002 |
| 6234126 |
Engine valve control |
May. 22, 2001 |
| 5205247 |
Infinitely variable lift cam follower with consistent dwell position |
Apr. 27, 1993 |
| 4898130 |
Valve mechanisms |
Feb. 6, 1990 |
| 4883026 |
Means for adjusting the timing of a valve |
Nov. 28, 1989 |
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