Internal-combustion engines – Engine speed regulator – Responsive to deceleration mode
Patent
1984-07-09
1985-04-16
Cuchlinski, Jr., William A.
Internal-combustion engines
Engine speed regulator
Responsive to deceleration mode
123 9012, 123198F, F02D 3100
Patent
active
045109001
ABSTRACT:
A compression release engine retarder for a multicylinder four-stroke cycle engine is disclosed. The retarder incorporates an hydraulic pulse generator including a multichamber positive displacement pump of the piston and cylinder or gear pump type which is positively driven at engine speed or at half engine speed in synchronism with the engine crank shaft. Means are provided to adjust the timing of the hydraulic pulses so as to control precisely the opening of the engine exhaust valves and to maximize the compression release retarding power developed by the engine. Additional means are provided to control the timing of the hydraulic pulses in response to the boost pressure in the engine inlet manifold produced by the engine turbocharger.
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Cuchlinski Jr. William A.
Degling Donald E.
The Jacobs Manufacturing Company
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