Engine retarder with reset auto-lash mechanism

Details Engine retarder with reset auto-lash mechanism Engine retarder with reset auto-lash mechanism

1986-08-15

1987-11-17

Cuchlinski, Jr., William A.

Internal-combustion engines

Engine speed regulator

Responsive to deceleration mode

123 9046, F02D 1304

Patent

active

047066253

ABSTRACT:
An improved compression release retarder for internal combustion engines is disclosed. The improvement comprises hydro-mechanical mechanisms incorporated principally into the slave piston and adjustable stop which assures a prompt closing of the engine exhaust valve following a compression release event and provides means to advance the opening of the exhaust valve to begin the compression release event. The mechanism is automatic in that the exhaust valve opening advance mechanism alters the valve train lash to a predetermined level whenever the engine retarder is operated and the exhaust valve closing mechanism acts in response to the decrease in engine cylinder pressure during the compression release event.

REFERENCES:
patent: 3220392 (1965-11-01), Cummins
patent: 3405699 (1968-10-01), Laas
patent: 4150640 (1979-04-01), Egan
patent: 4271796 (1981-06-01), Sickler et al.
patent: 4384558 (1983-05-01), Johnson
patent: 4398510 (1983-08-01), Custer
patent: 4399787 (1983-08-01), Cavanagh
patent: 4423712 (1984-01-01), Mayne et al.
patent: 4473047 (1984-09-01), Jakuba et al.
patent: 4592319 (1986-06-01), Meistrick

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