Valve control mechanism
Braking device for four-stroke cycle reciprocating piston internal combustion engine Patent #: 4174687
ApplicationNo. 06/048988 filed on 06/15/1979
US Classes:123/321, Valve timing altering means (e.g., axially sliding cam shaft)123/323, Exhaust throttling or blocking123/90.16Cam-to-valve relationship
ExaminersPrimary: Argenbright, Tony M.
International ClassF01L 13/06 (20060101)
AbstractAn engine retarder brake for operating a valve in the combustion chamber of an internal combustion engine near the end of the exhaust stroke to thereby discharge compressed air and cause the engine to operate as a brake for the vehicle.
Field of SearchResponsive to deceleration mode (e.g., engine acting as a brake)
Valve timing altering means (e.g., axially sliding cam shaft)
Electrical means adapted to alter valve timing
Exhaust throttling or blocking
By changing valve lift
By changing valve timing
With manifold and distributor