Anti-locking brake apparatus and method

Details Anti-locking brake apparatus and method Anti-locking brake apparatus and method

1976-02-13

1978-01-17

Blix, Trygve M.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

303116, 303 61, B60T 1368

Patent

active

040689042

ABSTRACT:
An apparatus for braking a rotating member which has a fluid pressure actuated brake cylinder for exerting force braking rotation of the member, a reservoir for supplying fluid to the actuated cylinder, a conduit for establishing operative communication between the actuated cylinder and the reservoir, and a sensor for detecting the rate of retardation of rotation of the member and for signalling the occurrence of a rate of retardation in excess of a predetermined rate, and an improvement in such apparatus in which a controllable anti-lock modulator is interposed in the conduit between the reservoir and the actuated cylinder for normally accommodating free flow of fluid between the reservoir and the actuated cylinder through the conduit and the modulator. The modulator is operatively connected to the sensor and responsive thereto for pumping fluid through the conduit in response to a signalled excessive rate of retardation and thereby for releasing braking force otherwise retarding rotation of the member.

REFERENCES:
patent: 2483205 (1949-09-01), Jones
patent: 3574416 (1971-04-01), Skoyles
patent: 3724914 (1973-04-01), Skoyles
patent: 3774976 (1973-11-01), Parsons

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