Vehicular brake system

Details Vehicular brake system Vehicular brake system

1979-01-08

1981-03-31

Scherbel, David A.

Motor vehicles

With means for promoting safety of vehicle, its occupant or...

By preventing unauthorized or unintended access or use

303 89, B60K 2700

Patent

active

042588197

ABSTRACT:
When the ignition key of a vehicle is turned to the off position an electric motor drives a pump to pressurize the hydraulic brake system of the automobile and thereby automatically apply the brakes. When the ignition switch is later turned to another position the electric motor again drives the pump to release the pressure in the brake lines. Pressure sensitive switches close check valves and turn the pump motor off once the brake system has been engaged or disengaged.

REFERENCES:
patent: 3559755 (1971-02-01), Bond
patent: 3669210 (1972-06-01), Haefner
patent: 3684049 (1972-08-01), Kimura
patent: 3698505 (1972-10-01), Webley
patent: 3735834 (1973-05-01), St. Onge
patent: 3800279 (1974-03-01), Thompson
patent: 3869014 (1975-03-01), Federspiel et al.
patent: 3871475 (1975-03-01), Stevenson et al.
patent: 3937295 (1974-03-01), Wright

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