Brake pressure control device

Details Brake pressure control device Brake pressure control device

1996-02-14

1998-02-03

Young, Lee W.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

3031191, 303900, B60T 838

Patent

active

057136416

ABSTRACT:
A brake pressure control device is provided that prevents the accumulation of contaminants which will interfere with a pressure rise, and supplies adequate hydraulic pressure during sudden braking, thereby ensuring very safe braking. A piston 16 housing a valve plug 24 is housed inside a cavity 12, and a first variable restrictor 32, formed between the cavity and the piston, and a second variable restrictor 33 and a third variable restrictor 34, both formed between the piston and the valve plug are arranged in series, and a fluid path with passage to main brake line I on the wheel cylinder side is connected between the second variable restrictor and third variable restrictor.

REFERENCES:
patent: 4915459 (1990-04-01), Hashida
patent: 5310253 (1994-05-01), Beck

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