Engine valve train module

Details Engine valve train module Engine valve train module

1986-12-12

1988-01-26

Lazarus, Ira S.

Internal-combustion engines

Poppet valve operating mechanism

Plural valve trains, single actuator

123 9027, 123 9031, 123 9044, 123DIG6, F01L 112

Patent

active

047210745

ABSTRACT:
A valve train module used to effect operation of both the intake valve and the exhaust valve for a cylinder of an internal combustion engine includes a housing adapted to be secured to the cylinder head of the engine, the housing supporting a single engine driven camshaft having both intake and exhaust cam lobes thereon. In a preferred embodiment a direct acting hydraulic lash adjuster journaled in the housing is used to effect operation of the intake valve by the intake cam lobe while operation of the exhaust valve is by a rocker arm pivotally supported on a rocker shaft fixed to the housing and by a roller follower reciprocably journaled in the housing so as to operatively interconnect the exhaust cam lobe to one end of the rocker arm, the opposite end of the rocker arm having a hydraulic lash adjuster operatively positioned therein and operatively connected to the exhaust valve.

REFERENCES:
patent: 2835242 (1958-05-01), Jenkins
patent: 3306271 (1967-02-01), Turlay
patent: 3540420 (1970-11-01), Syson
patent: 4527518 (1985-07-01), Osaki et al.
patent: 4610224 (1986-09-01), Fujita
patent: 4649874 (1987-03-01), Sonoda et al.

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