Timing mechanism for engine brake

Details Timing mechanism for engine brake Timing mechanism for engine brake

1981-03-27

1983-08-16

Myhre, Charles J.

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123321, 123198DB, F02D 1304

Patent

active

043985106

ABSTRACT:
Hydro-mechanical brake timing means are provided to control the timing of an engine braking system of the gas compression type for an internal combustion engine wherein the engine braking system includes a hydro-mechanical mechanism which opens the exhaust valve near the top of the compression stroke of the engine so that the energy absorbed by the engine during the compression stroke is not returned to the engine during the expansion stroke. In accordance with the present invention, hydro-mechanical means are provided in the exhaust valve actuating mechanism whereby the clearance in that mechanism is reduced to a value which maximizes the retarding power developed by the engine whenever the engine brake is activated.

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patent: 2116749 (1938-05-01), Daisley
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patent: 2599886 (1952-06-01), Bergmann
patent: 2645215 (1953-07-01), Moser
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patent: 3304925 (1968-02-01), Rhoads
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patent: 3542001 (1970-11-01), Line
patent: 3786792 (1974-01-01), Pelizzoni
patent: 3809033 (1974-05-01), Cartledge
patent: 4150640 (1979-04-01), Egan
patent: 4158348 (1979-06-01), Mason
patent: 4249489 (1981-02-01), Bruder
patent: 4271796 (1981-06-01), Sickler

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