Brake force controller for vehicles, particularly automotive veh

Details Brake force controller for vehicles, particularly automotive veh Brake force controller for vehicles, particularly automotive veh

1976-08-30

1978-07-11

Halvosa, George E. A.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

188181T, 303117, 303119, B60T 910

Patent

active

040997928

ABSTRACT:
Wheel brake apparatus including a brake lining which is moveable into and out of engagement with a brake drum or break disk of a vehicle wheel to be braked. A measuring element is provided for detecting relative movement between the brake lining and the drum or disk. The brake lining is moved by way of a wheel brake piston acted upon by a pressure medium. In order to prevent a lock up of the brake, a controller piston is provided for controlling pressure medium flow to the brake piston in response to the detection of no relative movement between the brake lining and the brake disk or drum, which in turn corresponds to a complete braking action. In preferred embodiments, the controller piston controls a vent line communicating with the front and back of a braking control piston interposed between a master cylinder and the brake lining.

REFERENCES:
patent: 2736395 (1956-02-01), Keeler, Jr.
patent: 2868338 (1959-01-01), Lucien et al.
patent: 2999567 (1961-09-01), Adams
patent: 3744852 (1973-07-01), Riordan
patent: 3754794 (1973-08-01), Durand

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