Self-contained hydraulic lifter

Details Self-contained hydraulic lifter Self-contained hydraulic lifter

1983-08-08

1986-03-11

Koczo, Michael

Internal-combustion engines

Poppet valve operating mechanism

Tappet

123 9055, F01L 124

Patent

active

045747504

ABSTRACT:
A self-contained hydraulic lifter used in valve trains of internal combustion engines having a cylindrical body, a plunger arranged slidably therein, and a diaphragm arranged in the plunger. A metal ring is embedded in the upper portion of the diaphragm and the upper end of the metal ring is in contact with the stopper member fixed to the upper end of the plunger, thereby the sealability of the diaphragm being improved.

REFERENCES:
patent: 3516393 (1970-06-01), Dadd
patent: 4191142 (1980-03-01), Kodama
patent: 4274446 (1981-06-01), Zahid
patent: 4368699 (1983-01-01), Kodama
patent: 4385599 (1983-05-01), Hori et al.

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