Power brake apply system

Details Power brake apply system Power brake apply system

1996-07-18

1998-01-20

Lopez, F. Daniel

Power plants

Pressure fluid source and motor

Pulsator

91460, B60T 1320

Patent

active

057090874

ABSTRACT:
A power brake apply system includes a master cylinder having a piston for generating fluid pressure within a braking circuit. A boost valve assembly is mounted adjacent the master cylinder and carries a slidable spool that selectively closes off a normal path of communication between a fluid reservoir and the boost chamber of the master cylinder in response to the manual actuation of the master cylinder's piston as effected through a pressurized braking circuit. After closure of communication between the reservoir and the boost chamber a power fluid supply is opened to the boost chamber to provide power assist in the actuation of the master cylinder's piston.

REFERENCES:
patent: 4072011 (1978-02-01), Ewald
patent: 4463562 (1984-08-01), Taft
patent: 4732002 (1988-03-01), Farr

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