Cruise control system

Details Cruise control system Cruise control system

1988-08-18

1989-12-05

Chin, Gary

Boots, shoes, and leggings

123352, 180179, B60K 3104

Patent

active

048856924

ABSTRACT:
A vehicle cruise control system having an electric actuator for acting upon a throttle valve of a vehicle, a clutch for disconnecting the actuator from the throttle valve, a spring or the like for returning the output end of the clutch to a neutral state and a limit switch for detecting the limit of the motion of the output end of the clutch and discontinuing the supply of electric current to the actuator upon detection of the limit. Since the detection of the lower limit of the stroke of the actuator for decelerating the vehicle is necessary for preventing unnecessary supply of electric current to the actuator and overloading of the actuator, the closed state of the limit switch is tested by supplying an electric current to the actuator so as to decelerate the vehicle prior to starting the normal operation of the vehicle cruise control and determining if the electric current is indeed conducted through the actuator or not.

REFERENCES:
patent: 4345663 (1982-08-01), Shields
patent: 4352402 (1982-10-01), Collonia
patent: 4612615 (1986-09-01), Murakami
patent: 4656407 (1987-04-01), Burney
patent: 4747460 (1988-05-01), Tomoshige et al.

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