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Class Information
Number: 123/90.41
Name: Internal-combustion engines > Poppet valve operating mechanism > Rocker > Individually fulcrumed
Description: Device wherein the pivot means provided for the rocker element is separate form and independent of the pivot means provided for any like, pivoted element.










Sub-classes under this class:

Class Number Class Name Patents
123/90.43 Lash adjustment at fulcrum 172
123/90.42 Rotation prevention 88


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8590149 Method of manufacturing a lift transmitting component Nov. 26, 2013
8567368 Cylinder head structure in four-cycle engine Oct. 29, 2013
8448619 Offset rocker arm assembly for thrust load applications May. 28, 2013
8434441 Joining device for an actuating lever and supporting element of a valve operating mechanism of an internal combustion engine May. 7, 2013
8430072 Device and method for controlling valves Apr. 30, 2013
8387575 Variable valve apparatus, and an engine apparatus and a transport machine having the same Mar. 5, 2013
8087391 Apparatus and methodology for rocker arm assembly Jan. 3, 2012
8079336 Compact valve actuation mechanism for barrel internal combustion engines Dec. 20, 2011
7980210 Variable valve drive system for engine Jul. 19, 2011
7918199 V-type engine Apr. 5, 2011
7878166 Device and method for retaining a valve bridge Feb. 1, 2011
7861680 Pushrod engine with multiple independent lash adjusters for each pushrod Jan. 4, 2011
7797830 Method of making an outer lever of a switchable finger lever Sep. 21, 2010
7779804 Rocker arm assembly for radial and axial loads Aug. 24, 2010
7631425 Method for manufacturing rocker arm Dec. 15, 2009
7600498 Internal combustion engine with gas exchange valve deactivation Oct. 13, 2009
7584732 Shaft-mounted rocker arm arrangement Sep. 8, 2009
7533642 Finger lever of a valve train of an internal combustion engine May. 19, 2009
7444972 Lever for a valve control of a piston machine Nov. 4, 2008
7424876 Pushrod engine with multiple independent lash adjusters for each pushrod Sep. 16, 2008
7418936 Engine and valvetrain with compact rocker arm and fulcrum assembly for internal combustion engines Sep. 2, 2008
7398752 Rocker arm for valve actuation Jul. 15, 2008
7367299 Variable ratio rocker assembly May. 6, 2008
7367301 CAM follower May. 6, 2008
7350490 Connection element for the captive mounting of a lever-like cam follower Apr. 1, 2008
7311073 Continuous variable valve lift apparatus Dec. 25, 2007
7302924 Switchable drag lever of a valve timing mechanism of an internal combustion engine Dec. 4, 2007
7261074 Continuously variable valve lift system for engines Aug. 28, 2007
7246585 Valve-deactivating hydraulic lifter having a vented internal lost motion spring Jul. 24, 2007
7240652 Switchable drag lever of a valve timing mechanism of an internal combustion engine Jul. 10, 2007
7219639 Drag lever of a valve mechanism in an internal combustion engine May. 22, 2007
7182054 Valve drive including a rocker lever with hydraulically actuated driver Feb. 27, 2007
7171930 Rocker arm for valve actuation in internal combustion engines Feb. 6, 2007
7152320 Rocker arm and method of manufacturing the rocker arm Dec. 26, 2006
7134411 Valve operating mechanism Nov. 14, 2006
7096836 Adjustable rocker arm assembly for easing valve lash adjustment Aug. 29, 2006
7093574 Rocker arm shaft for an automobile engine Aug. 22, 2006
7077089 Oil drainback system for internal combustion engine Jul. 18, 2006
7066123 Variable valve opening for an internal combustion engine Jun. 27, 2006
7051691 Desmodromic valve drive May. 30, 2006
7011061 Rocker arm Mar. 14, 2006
6976462 Double roller cam follower Dec. 20, 2005
6955146 System for variably actuating valves in internal combustion engines Oct. 18, 2005
6948466 Finger lever of a valve train of an internal combustion engine Sep. 27, 2005
6901894 Finger lever of a valve train of an internal combustion engine Jun. 7, 2005
6854433 Integrated primary and auxiliary valve actuation system Feb. 15, 2005
6830022 Valve actuation linkage mechanism Dec. 14, 2004
6796281 Internal combustion engine with valve train Sep. 28, 2004
6763793 Valve system for internal combustion engine Jul. 20, 2004
6752107 Apparatus for switching the operation of a change valve of a combustion engine Jun. 22, 2004

1 2 3 4 5










 
 
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