Brake pressure control unit of deceleration-responsive type

Details Brake pressure control unit of deceleration-responsive type Brake pressure control unit of deceleration-responsive type

1983-07-26

1985-12-24

Reger, Duane A.

Fluid-pressure and analogous brake systems

Multiple fluid-receiving devices

Multiple motors

303 24F, B60T 814

Patent

active

045602085

ABSTRACT:
A brake pressure control unit of the deceleration-responsive type comprises a control valve operable to restrict the transfer of fluid pressure therethrough from an inlet port to an outlet port and biased by a spring to a position of opening, a storing chamber operatively connected to the control valve in a manner to assist the bias of the control valve spring with an increasing force as the fluid pressure in the storing chamber increases, a deceleration-responsive valve operable to sealingly close the storing chamber in response to a vehicle deceleration at a rate exceeding a predetermined value, and a differential pressure valve disposed between the deceleration-responsive valve and the storing chamber to restrict the transfer of fluid pressure therethrough. The differential pressure valve is adapted to open in response to a varying fluid pressure that varies with the variation of the rate of fluid pressure at the inlet port.

REFERENCES:
patent: 3825303 (1974-07-01), Vabuta
patent: 3944292 (1976-03-01), Doi et al.
patent: 4141596 (1979-02-01), Takeshita et al.
patent: 4254996 (1981-03-01), Nogami
patent: 4284307 (1981-08-01), Kubota et al.
patent: 4325582 (1982-04-01), Kuboto et al.

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