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

Valve operating apparatus for an internal combustion engine

Patent ·
OSTI ID:6232626
This patent describes an operating apparatus for an valve for an internal combustion engine including a camshaft rotatable driven by the engine, a cam on the camshaft and a cam followed operably interconnecting the cam and the valve and means for biasing the cam follower against the cam, the means comprising: a stationary base subjacent the can follower; an abutment member movable in a direction between the base and the cam follower, spring means extending between the base and the abutment member for biasing the abutment member against the cam follower including a first spring of relatively small spring constant and a second spring of relatively large spring constant series-connected to the first spring.
Assignee:
Honda Giken Kogyo Kabushiki Kaisha, Tokyo
Patent Number(s):
US 4787346
OSTI ID:
6232626
Country of Publication:
United States
Language:
English