Wheel braking system with a retracting apparatus

Details Wheel braking system with a retracting apparatus Wheel braking system with a retracting apparatus

1996-08-27

1998-04-28

Graham, Matthew C.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

3031131, 3031162, B16D 6518, B60T 840

Patent

active

057436002

ABSTRACT:
The invention is directed to a wheel braking system having a master cylinder and a wheel brake cylinder which is communicated with the master cylinder through a brake fluid supply passage, and which is operatively mounted on a wheel for applying a braking force to the wheel. A suction device, such as a fluid pump, is provided for producing a negative pressure in the wheel brake cylinder. An initial pressure supply device, such as an accumulator, is also provided for supplying a predetermined amount of the brake fluid into the wheel brake cylinder when the braking operation is initiated. Accordingly, brake pads for braking the wheel may be separated from a brake rotor or brake drum respectively with a predetermined clearance, and the amount of the brake fluid which is consumed by the master cylinder when the braking operation is initiated, is not increased.

REFERENCES:
patent: 4462642 (1984-07-01), Leiber
patent: 4950028 (1990-08-01), Harrison
patent: 4986614 (1991-01-01), Ricker et al.
patent: 5150951 (1992-09-01), Leiber et al.

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