Hydraulic lifter device

Details Hydraulic lifter device Hydraulic lifter device

1983-11-02

1986-02-04

Cline, William R.

Internal-combustion engines

Poppet valve operating mechanism

Tappet

123 9059, F01L 124

Patent

active

045678626

ABSTRACT:
The hydraulic lifter device for use in a valve train mechanism of an internal combustion engine comprises a body having a reservoir chamber of circular configuration therein, a plunger slidably positioned within the body to thereby form a leak clearance therebetween and biased by a spring in one direction, a pressure chamber formed within the plunger, and a check valve positioned between the reservoir and pressure chambers so as to allow a flow of a working fluid only into the pressure chamber from the reservoir chamber.

REFERENCES:
patent: 2227288 (1940-12-01), Voorheis et al.
patent: 4321894 (1982-03-01), Black
patent: 4373477 (1983-02-01), Buente et al.
European patent application, Buente, Jun. 1981, FIG. 8.

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