Hydraulic brake booster having piston travel limit feature

Details Hydraulic brake booster having piston travel limit feature Hydraulic brake booster having piston travel limit feature

1997-10-28

1999-11-16

Nguyen, Hoang

Power plants

Pressure fluid source and motor

Pulsator

60560, 60578, B60T 1320

Patent

active

059836377

ABSTRACT:
A brake booster for a brake system of a vehicle, wherein the brake booster is in fluid communication with a source of pressurized fluid. The brake booster includes a housing having a bore formed therein and a conduit formed therein being in fluid communication with the bore and the source of pressurized fluid. The brake booster includes first and second pistons slidably disposed within the bore of the housing. The bore, the first piston, and the second piston define a fluid chamber in fluid communication with the conduit formed in the housing, wherein the volume of the chamber is defined by the position of the first piston relative to the second piston. The brake booster further includes a valve selectively preventing fluid flow in a direction from the chamber to the source of pressurized fluid via the conduit.

REFERENCES:
patent: 3937127 (1976-02-01), Baker et al.
patent: 4135435 (1979-01-01), Adachi
patent: 4530209 (1985-07-01), Steffes
patent: 4582365 (1986-04-01), Belart
patent: 4621498 (1986-11-01), Schaefer
patent: 4732001 (1988-03-01), Belart
patent: 4835967 (1989-06-01), Nomura
patent: 5557935 (1996-09-01), Ganzel
Article entitled "Hydraulics Offer Advantages In Power Brake Boosters" by A. K. Brown, L. G. Bach and D. J. Baker, published by Society of Automotive Engineers, Article No. 730536. May 1973.

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