Cruise-control system with fuel and throttle valve control

Details Cruise-control system with fuel and throttle valve control Cruise-control system with fuel and throttle valve control

1989-09-27

1991-07-16

Kashnikow, Andres

Motor vehicles

With means responsive to speed of vehicle for maintaining...

Including electrically actuated servomechanism

123198DB, 123325, 36443107, 36443109, B60K 3104

Patent

active

050317156

ABSTRACT:
In a cruise-control system mounted on an automobile after a cruise-control mode has been established, a microcomputer prevents the electronic fuel-injection system of the automobile from cutting off the supply of fuel to the engine. This prevents the velocity of the automobile from surging when the automobile does down a hill. Another embodiment of a cruise-control system has an electronic fuel-injection system and an actuator that controls the opening of the throttle valve. When the opening decreases to a small opening slightly larger than the opening at which the fuel-injection system stops supplying fuel to the engine, the fuel-injection system maintains the valve at the small opening.

REFERENCES:
patent: 4467428 (1984-08-01), Caldwell
patent: 4877101 (1989-10-01), Tada et al.

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