Self-contained hydraulic lash adjuster

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

1980-12-05

1983-05-31

Feinberg, Craig R.

Internal-combustion engines

Poppet valve operating mechanism

Tappet

F01L 124

Patent

active

043855997

ABSTRACT:
A self-contained hydraulic lash adjuster in which a sealing member is provided on the plunger for providing fluid tight seal between the plunger and a cylinder member. The sealing member is of a pair of lips both of which are in fluid tight contact with the cylinder member and are alternately deformed onto the cylinder member upon upward or downward movement of the plunger. During movement of the plunger, fluid-tight seal between the plunger and the cylinder member is assured with a little sliding friction therebetween.

REFERENCES:
patent: 2956557 (1960-10-01), Dadd
patent: 4191141 (1980-03-01), Kodama

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