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

Engine valve driving apparatus

Patent ·
OSTI ID:6411215
An engine valve driving apparatus for an internal combustion engine having a cam driven engine valve is described. It consists of a camshaft rotatable in synchronism with rotation of a crankshaft of an engine and a movable cam member supported by the camshaft for axial movement and prevented from turning relative to the camshaft. The movable cam member can be axially shifted between an operative position wherein the cam member is cooperative with a member of the engine valve so as to cause an operation of the engine valve and an inoperative position wherein the cam member is out of cooperation with the member.
Assignee:
Mazda Motor Corp., Hiroshima
Patent Number(s):
US 4794893
OSTI ID:
6411215
Country of Publication:
United States
Language:
English