Internal-combustion engines – Poppet valve operating mechanism – Tappet
Patent
1978-02-28
1980-10-21
Myhre, Charles J.
Internal-combustion engines
Poppet valve operating mechanism
Tappet
123 9035, 123 9057, F01L 124
Patent
active
042287715
ABSTRACT:
A hydraulic lash adjuster for valve gear of an internal combustion engine, the lash adjuster being of the type which operates from oil received under pressure from a gallery provided in the engine lubricant supply system. The body of the adjuster has a movable plunger with a one-way check valve for admitting and retaining oil in a chamber between the adjuster body and the plunger. A portion of the plunger includes a pivot surface for pivotally engaging associated components of the valve gear with a reservoir formed in the plunger which communicates with a one-way valve for admitting oil to the chamber. An inlet metering means including an annular metering land provides exclusive lubricant communication to the reservoir from an oil entry port in the body.
REFERENCES:
patent: 2689554 (1954-09-01), Moser
patent: 2784706 (1957-03-01), Humphreys
patent: 2792819 (1957-05-01), Moser
patent: 2941523 (1960-06-01), Bergmann
patent: 2942595 (1960-06-01), Bergmann
patent: 2943613 (1960-07-01), Line
patent: 3011485 (1961-12-01), Van Slooten
patent: 3448730 (1969-06-01), Abell
patent: 3636932 (1972-01-01), Hamilton
Crist E. C.
Eaton Corporation
Johnston R. A.
McCloskey R. J.
Myhre Charles J.
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