Antilock modulator

Details Antilock modulator Antilock modulator

1994-02-15

1995-08-01

Butler, Douglas C.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

3031171, 3031191, 303901, 3031154, B60T 832

Patent

active

054375010

ABSTRACT:
An antilock modulator can maintain a short brake pedal stroke during normal braking operations, which improves the pedal feeling during antilock control, and can prevent unnecessary increases in the pump discharge pressure. The antilock modulator has a main fluid line connecting the wheel brake to the master cylinder and a line branching from the main fluid line and leading to the discharge end of the hydraulic pump. At the branching point is provided a differential pressure-responsive mechanism which shuts off fluid communication between the master cylinder and the discharge end of the pump when the pressure difference between the wheel brake and the master cylinder exceeds a predetermined value, and otherwise allows fluid communication therebetween.

REFERENCES:
patent: 5213399 (1993-05-01), Burgdorf et al.
patent: 5215359 (1993-06-01), Burgdorf et al.
patent: 5335982 (1994-08-01), Ando et al.

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