Hydraulic lash adjuster

Details Hydraulic lash adjuster Hydraulic lash adjuster

1985-03-08

1990-04-03

Lazarus, Ira S.

Internal-combustion engines

Poppet valve operating mechanism

Rocker

123 9027, 123 9055, F01L 124

Patent

active

049131052

ABSTRACT:
A hydraulic lash adjuster comprising: a body having a blind longitudinal bore and an outer diameter; a plunger slidably fitted in said bore having an end extending therefrom, said plunger defining a high pressure chamber in the blind end of the bore, said plunger having a hollow core and an opening in its end facing the high pressure chamber defining a valve seat; a check ball abutting said valve seat; a ball cage attached to said plunger; a spring means in the high pressure chamber biasing the plunger; a means in said body and said plunger for communicating a supply of oil to the hollow core; and a cylindrical cap removeably fitted on the end of the plunger extending from the bore, said cap having practically the same outer diameter as the plunger and a flat top.

REFERENCES:
patent: 2021333 (1935-11-01), Storey
patent: 2041983 (1936-05-01), Van Ranst
patent: 2672133 (1954-03-01), Etchells
patent: 2772667 (1956-12-01), Nallinger
patent: 2938508 (1960-05-01), Papenguth
patent: 2954017 (1960-09-01), Forstner
patent: 3306271 (1967-02-01), Turlay

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