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Class Information
Number: 123/90.32
Name: Internal-combustion engines > Poppet valve operating mechanism > With alternate interruption of drive train
Description: Device wherein means is provided in an element (e.g., push rod, tappet, etc.), between the cam and the valve rendering that element ineffective--and interrupting the valve actuation--during alternate revolutions of the crankshaft.


Patents under this class:

Patent Number Title Of Patent Date Issued
7165519 Method for controlling an inlet valve of an internal combustion engine Jan. 23, 2007
7152576 Compact lost motion system for variable value actuation Dec. 26, 2006
6920849 Device for controlling cylinder disconnection in an internal combustion engine Jul. 26, 2005
5647312 Four-stroke Otto engine having hybrid control Jul. 15, 1997
5331866 Camshaft arrangement having a deactivatable cam Jul. 26, 1994
5239885 Camshaft with a deactivatable cam Aug. 31, 1993
4463717 Valve stopping device of internal combustion engine Aug. 7, 1984
4401069 Camshaft lobes which provide selective cylinder cutout of an internal combustion engine Aug. 30, 1983
4399784 Internal combustion engine Aug. 23, 1983
4380219 Valve disabling mechanism Apr. 19, 1983
4336775 Valve selector Jun. 29, 1982
4284042 Multicylinder internal combustion engine with valve disconnection Aug. 18, 1981
4256070 Valve disabler with improved actuator Mar. 17, 1981
4252093 Internal combustion engine Feb. 24, 1981
4249488 Valve lift adjusting device Feb. 10, 1981
4249489 Multi-cylinder internal combustion engine with a valve shutoff Feb. 10, 1981
4245596 Shifting means for actuating valve turn-off in multi-cylinder internal combustion engine Jan. 20, 1981
4151824 Valve train system of internal combustion engines May. 1, 1979
4141333 Valve train systems of internal combustion engines Feb. 27, 1979



 
 
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