Self-contained hydraulic lash adjuster

Details Self-contained hydraulic lash adjuster Self-contained hydraulic lash adjuster

1981-01-29

1982-07-13

Feinberg, Craig R.

Internal-combustion engines

Poppet valve operating mechanism

Tappet

123 9046, 123 9043, F01L 124

Patent

active

043388949

ABSTRACT:
A self-contained hydraulic lash adjuster which does not depend upon any external source of hydraulic fluid in operation is used in the valve trains of internal combustion engines or similar mechanisms in order to take up the lash or operating clearance in the valve trains. In the lash adjuster a transmitting member such as a fulcrum is engaged with a plunger which is slidably mounted in a bore of a lash adjuster body. A clearance is provided between the transmitting member and the body which is smaller than the clearance provided between the transmitting member and the plunger to reduce the frictional wear between the plunger and the body.

REFERENCES:
patent: 2925074 (1960-02-01), Dadd
patent: 2956557 (1960-10-01), Dadd
patent: 3670707 (1972-06-01), Guido
patent: 3861365 (1975-01-01), Zink
patent: 4191142 (1980-03-01), Kodama

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