Power plants – Pressure fluid source and motor – Pulsator
Patent
1988-03-18
1989-08-22
Garrett, Robert E.
Power plants
Pressure fluid source and motor
Pulsator
60582, B60T 1700, B60T 1132
Patent
active
048584380
ABSTRACT:
The hydraulic booster device controls a ball valve (25) to establish a communication between a source of fluid at high pressure (35) and a braking circuit (29) during a normal braking. In the event of failure of the high pressure source (35), the braking is ensured by pressurizing of the fluid contained in a chamber (33) by a piston mechanism (20), and transfer of this fluid into the circuit (29). An additional useful volume of brake fluid is supplied to the circuit (29) by fluid expelled from the chamber (11) by the penetration of the plunger (5) into this chamber, after the piston mechanism (20) has come to a stop against the end fitting (3). Application to a hydraulic braking circuit for automobile vehicle.
REFERENCES:
patent: 3514163 (1970-05-01), MacDuff
patent: 4181371 (1980-01-01), Adachi
patent: 4622814 (1986-11-01), Kervagoret
patent: 4637208 (1987-01-01), Keruagoret
patent: 4651528 (1987-03-01), Carre et al.
patent: 4705324 (1987-11-01), Kervagoret
patent: 4706460 (1987-11-01), Kervagoret
patent: 4729223 (1988-03-01), Kervagoret
Douillet Christian
Vasselet Joel
Bendix France
Decker Ken C.
Garrett Robert E.
Palguta Larry J.
Williamson Mark A.
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