Hydraulic lash adjuster

Details Hydraulic lash adjuster Hydraulic lash adjuster

1996-03-08

1997-04-22

Lo, Weilun

Internal-combustion engines

Poppet valve operating mechanism

Lubrication

123 9036, 123 9046, 123 9055, 74569, F01L 116, F01L 124

Patent

active

056221479

ABSTRACT:
A hydraulic lash adjuster which includes a seal element acting between the body and the plunger. The check valve of the lash adjuster is normally open, and effective leakdown to compensate for negative lash is provided by controlling the distance traveled by the check valve in moving from its open to its closed position.

REFERENCES:
patent: 2870755 (1959-01-01), Dayton
patent: 2943611 (1960-07-01), Dadd
patent: 2956557 (1960-10-01), Dadd
patent: 3877445 (1975-04-01), Barnes
patent: 4184464 (1980-01-01), Svihlik
patent: 4402285 (1983-09-01), Arai et al.
patent: 4530319 (1985-07-01), Honda
patent: 4807576 (1989-02-01), Sonoda et al.
patent: 4942854 (1990-07-01), Shirai et al.

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