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U.S. Department of Energy
Office of Scientific and Technical Information

Valve operation stopping means for multi-cylinder engine

Patent ·
OSTI ID:5758387
This patent describes a valve operating mechanism for multi-cylinder internal combustion engine including a cam shaft with cams formed integrally with the cam shaft at positions corresponding to suction valves and exhaust valves for each cylinder, a valve operation stopping device comprising a drive rocker arm engaging one of the cams, a driven rocker arm engaging one of either the suction valves or the exhaust valves. The drive rocker arm and the driven rocker arm are pivotably supported on the same axis to permit relative angular displacement, a synchro pin slidably mounted in the driven rocker arm to engage with the drive rocker arm to prevent the relative axial displacement, means biasing the synchro pin toward engagement with the drive rocker arm, and a timing piston provided in the drive rocker arm at a position corresponding to the synchro pin and acting to urge the synchro pin toward the driven rocker arm by hydraulic pressure to release connection between the drive rocker arm and the driven rocker arm.
Assignee:
Honda Giken Kogyo Kabushiki Kaisha, Tokyo
Patent Number(s):
US 4576128
OSTI ID:
5758387
Country of Publication:
United States
Language:
English