Hydraulic valve lifter

Details Hydraulic valve lifter Hydraulic valve lifter

1978-09-13

1980-09-02

Lazarus, Ronald H.

Internal-combustion engines

Poppet valve operating mechanism

Tappet

123 9046, F01I 114

Patent

active

042201225

ABSTRACT:
A hydraulic valve lifter useful for but not limited to an automotive internal combustion engine of the overhead camshaft type, comprising two rockable members one of which is in engagement with the cam on the engine camshaft and the other of which is in engagement with the intake or exhaust valve of a power cylinder of the engine, wherein the two rockable members are pivotable about a common axis either as a single unit or independently of each other for taking up the clearance in the valve train to a degree which is continuously variable with prescribed operational conditions of the engine.

REFERENCES:
patent: 2595775 (1952-05-01), DeWrangell
patent: 3897761 (1975-08-01), Fleischer
patent: 4128085 (1978-12-01), Kunii
patent: 4153016 (1979-05-01), Hausknecht

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