Brake fluid pressure control apparatus

Details Brake fluid pressure control apparatus Brake fluid pressure control apparatus

1992-01-22

1994-05-31

Oberleitner, Robert J.

Fluid-pressure and analogous brake systems

Flow retarder

Isolation valve

188353, 477196, B60T 1546

Patent

active

053163788

ABSTRACT:
A brake fluid pressure control apparatus is disclosed which is capable of providing a good brake feel at the initial stage of pressure reapplication. The brake fluid pressure control apparatus comprises a pressure receiving device 25 and a valve mechanism 19 for closing a fluid passage 10 from a master cylinder 7 to wheel cylinders 8. The wheel cylinder fluid pressure is held by closing the fluid passage when the vehicle is brought to a halt with the brake applied, so that the vehicle can be held stationary if the driver takes his food off the brake pedal. When the pressure is to be applied again from the master cylinder 7, the pressure applied during the initial period of this reapplication of the master cylinder pressure is received by the pressure receiving device.

REFERENCES:
patent: 2502118 (1950-03-01), Aston et al.
patent: 3152426 (1964-10-01), Milster
patent: 4640391 (1987-02-01), Maehara et al.
patent: 4865175 (1989-09-01), Hirako et al.
patent: 4915131 (1990-04-01), Cha

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