Valve lifter for internal combustion engine

Details Valve lifter for internal combustion engine Valve lifter for internal combustion engine

1976-07-02

1978-09-12

Myhre, Charles J.

Internal-combustion engines

Poppet valve operating mechanism

Tappet

123 9055, 123 9057, 123 9016, F01L 114

Patent

active

041128842

ABSTRACT:
A hydraulic valve lifter for an internal combustion engine of the type in which a liquid introduced into a confined chamber in the valve lifter is compressed by a plunger so that the pressure of the compressed liquid causes a valve of an intake or exhaust port of the engine to open, is characterized in that an internal mechanism which regulates the time for initiating the compression of the liquid in the confined chamber in response to the change in the running condition of the internal combustion engine is incorporated in the valve lifter for making the valve operating characteristics optimum for the varying running conditions of the engine.

REFERENCES:
patent: 2090877 (1935-11-01), Small
patent: 2484109 (1949-10-01), Meinecke
patent: 2565681 (1951-08-01), Fleck
patent: 2602434 (1952-07-01), Barnaby
patent: 2785667 (1957-03-01), Miller
patent: 2802460 (1957-08-01), Shirley
patent: 3439662 (1969-04-01), Jones
patent: 3742921 (1973-07-01), Rendine
patent: 3786792 (1974-01-01), Pelizzoni
patent: 3817228 (1974-06-01), Bywater
patent: 3978826 (1976-09-01), Gavrun

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