Valve operating apparatus for an internal combustion engine

Details Valve operating apparatus for an internal combustion engine Valve operating apparatus for an internal combustion engine

1987-08-27

1989-07-04

Wolfe, Willis R.

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 9017, 123 906, 123198F, F01L 108

Patent

active

048440221

ABSTRACT:
Valve operating apparatus for an internal combustion engine in which plural intake valves and exhaust valves are associated with each cylinder. The respective valves are operated in one engine-operating condition in response to the action of a first set of cams and in another engine-operating condition in response to the action of a second set of cams coupled to the first cam set. The cams operating the intake valves impart a different valve operating action than those operating the exhaust valves.

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