Valve actuating apparatus in internal combustion engine

Details Valve actuating apparatus in internal combustion engine Valve actuating apparatus in internal combustion engine

1985-09-24

1986-08-26

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

046076000

ABSTRACT:
A valve actuating apparatus for intake and exhaust valves in an internal combustion engine having a swing rocker arm consisting of two arms rotatably interconnected by means of a connecting shaft, one of the arms being rotatably connected to a rocker arm shaft and the other bearing against a valve stem so that the two arms can selectively occupy an operative position, in which the two arms extend substantially straight to form a single rocker arm, and an inoperative position in which a relative rotation between the two arms takes place to absorb the rotation of the cam. Means are provided for causing the cam to bear only against one of the two arms that bears against the valve stem.

REFERENCES:
patent: 4151817 (1979-05-01), Mueller
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: 4537164 (1985-08-01), Ajiki et al.
patent: 4556025 (1985-12-01), Morita

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