Electronic controls for compression release engine brakes

Details Electronic controls for compression release engine brakes Electronic controls for compression release engine brakes

1998-02-11

1999-10-19

Argenbright, Tony M.

Internal-combustion engines

Engine speed regulator

Responsive to deceleration mode

123323, 12356814, F02D 1304

Patent

active

059671157

ABSTRACT:
Electronic controls for compression release engine retarders of internal combustion engines which provide electronic signals to control hydraulic valves assembled in the hydraulic actuators of the retarders, to open engine exhaust valves to provide compression release events. The electronic controls may produce signals for both opening and/or closing the controlled valves. The electronic controls may monitor various engine operating conditions and/or parameters with one or more sensors distributed in the engine and vehicle in which the engine is installed. The timing of valve actuation, particularly that for compression release events, can be automatically modified responsive to the level of engine operating conditions and parameters. Various operating routines for the electronic controls are also disclosed.

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