Brake-initiated release of an electric motor driven cruise contr

Details Brake-initiated release of an electric motor driven cruise contr Brake-initiated release of an electric motor driven cruise contr

1987-12-07

1989-07-25

Braun, Leslie A.

Machine element or mechanism

Rotary member or shaft indexing, e.g., tool or work turret

Preselected indexed position

192 146, 180179, B60K 4120

Patent

active

048502502

ABSTRACT:
In a motor driven automotive cruise control system, the engine throttle is progressively released upon actuation of the vehicle service brakes to avoid objectionable pedal slap noise. The release is initiated by the electric motor, which drives the engine throttle toward its closed (rest) position while maintaining engagement of a clutch connected therebetween. If the duration of the brake actuation exceeds a reference interval sufficiently long as to indicate potentially significant braking effort, the clutch is immediately disengaged to return the throttle to its closed position without further delay. If the duration of the brake actuation is less than the reference interval, engagement of the clutch is maintained until the motor has returned the throttle to its closed position.

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