Electric parking brake system

Details Electric parking brake system Electric parking brake system

2005-06-14

2005-06-14

Butler, Douglas C. (Department: 3683)

Fluid-pressure and analogous brake systems

Speed-controlled

Braking pressure demand or braking force desire

C188S00200R, C188S162000, C303S020000, C701S076000

Reexamination Certificate

active

06905181

ABSTRACT:
An electric parking brake system that includes a parking brake, and an electric motor, wherein the parking brake is activated by the electric motor. Operation of the parking brake is controlled such that a vehicle is decelerated at a target deceleration of a predetermined magnitude when an operation command to operate the parking brake is issued by a driver via an operation switch while the vehicle is running. If a service brake fails while a vehicle is running, when the driver depresses the operation switch to issue the operation command to a parking brake to brake the vehicle, the parking brake is controlled such that the vehicle is decelerated at the target deceleration of the predetermined magnitude set on the basis of the number of times of depressing the operation switch.

REFERENCES:
patent: 4561527 (1985-12-01), Nakamoto et al.
patent: 5139315 (1992-08-01), Walenty et al.
patent: 6158822 (2000-12-01), Shirai et al.
patent: 6406102 (2002-06-01), Arnold
patent: 2004/0016612 (2004-01-01), Iwagawa et al.
patent: 2004/0113489 (2004-06-01), Iwagawa et al.
patent: 59-140152 (1984-08-01), None

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