Hydraulic valve lifter

Details Hydraulic valve lifter Hydraulic valve lifter

1985-03-28

1987-01-13

Lazarus, Ira S.

Internal-combustion engines

Poppet valve operating mechanism

Tappet

F01L 124

Patent

active

046355936

ABSTRACT:
A hydraulic valve lifter is used in the valve train of an internal combustion engine to take up the lash on operating clearance in the valve train. The valve lifter is comprised of a first cylindrical body member having a top wall, a second cylindrical body member slidably mounted within the first body member and having a bottom wall, a plunger member slidably mounted within the second body member for defining a reservoir chamber and a pressure chamber, a guide member of thick, rigid material fixed in the first body member for guiding the second body member, and a channel member of thin light weight material fixed between the first body member and the guide member for defining an oil channel connected to the reservoir chamber.

REFERENCES:
patent: 4367701 (1983-01-01), Buente
patent: 4373477 (1983-02-01), Buente et al.
patent: 4392462 (1983-07-01), Leshen
patent: 4397271 (1983-08-01), Gardner
patent: 4437439 (1984-03-01), Speil
patent: 4465038 (1984-08-01), Speil
patent: 4470381 (1984-09-01), Buente et al.

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