Cruise control system for vehicle

Details Cruise control system for vehicle Cruise control system for vehicle

1986-12-17

1987-12-01

Braun, Leslie

Machine element or mechanism

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

Preselected indexed position

180177, 180176, 123378, 74858, B60K 4104

Patent

active

047095954

ABSTRACT:
A cruise control system for a vehicle having an automatic transmission comprises a vehicle speed sensor for detecting the actual vehicle speed, an engine output power control mechanism, and a vehicle speed controller which compares the actual vehicle speed detected by the vehicle speed sensor with a set speed and controls the engine output power control mechanism in accordance with the result of the comparison so that the vehicle speed is converged upon the set speed at a predetermined rate. The automatic transmission is caused to downshift when the actual vehicle speed is lowered from the set speed by a predetermined amount while the vehicle speed controller operates to fix the vehicle speed, and when the automatic transmission is shifted down, the predetermined rate of convergence is reduced so that the vehicle speed is converged upon the set speed at a reduced rate.

REFERENCES:
patent: 3712156 (1973-01-01), Kuhnle
patent: 3768339 (1973-10-01), Kolehmainen et al.
patent: 4520694 (1985-06-01), Eschrich et al.
patent: 4535864 (1985-08-01), Tanigawa et al.
patent: 4535865 (1985-08-01), Tanigawa et al.

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