Valve actuating apparatus for optionally resting the operation o

Details Valve actuating apparatus for optionally resting the operation o Valve actuating apparatus for optionally resting the operation o

1985-09-26

1986-10-21

Lazarus, Ira S.

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 9027, 123 9039, 123 9044, 123198F, F02D 1306

Patent

active

046178805

ABSTRACT:
A valve actuating apparatus for intake and exhaust valves in an internal combustion engine having an end pivot type rocker arm. The rocker arm is composed of two arms interconnected by a connecting pin so as to be foldable. A lock pin selectively brings the rocker arm either into a single rigid rocker arm position or into a foldable rocker arm position at which it absorbs the lift of the cam to rest the operation of the valve, although the cam continues to rotate. A stopper is provided to restrict the returning position of the arms when folded toward the cam.

REFERENCES:
patent: 4151817 (1979-05-01), Moeller
patent: 4203397 (1980-05-01), Soeters
patent: 4204512 (1980-05-01), Brock
patent: 4252093 (1981-02-01), Hazelrigg
patent: 4380219 (1983-04-01), Walsh
patent: 4387680 (1983-06-01), Tsunetoni et al.
patent: 4429853 (1984-02-01), Chaffiotte et al.
patent: 4537164 (1985-08-01), Ajiki et al.
patent: 4537165 (1985-08-01), Honda et al.
patent: 4556025 (1985-12-01), Morita

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