Hydraulic amplifier for braking system

Details Hydraulic amplifier for braking system Hydraulic amplifier for braking system

1984-10-22

1987-03-24

Garrett, Robert E.

Power plants

Pressure fluid source and motor

Pulsator

60560, 60563, 60565, B60T 1320, F15B 700

Patent

active

046515283

ABSTRACT:
The invention concerns a hydraulic amplifier for a braking system incorporating a body (10, 110), a first component (18, 124) capable of being displaced in the body (10, 110) under the effect of the operation of a brake pedal, between a first position causing a first chamber (16), joined to a braking circuit, to communicate with a low pressure reservoir (44, 138), and isolating this chamber (16) from a high pressure source (32, 130), and a second position isolating the chamber (16) from the low pressure reservoir (44, 138) and causing it to communicate with the high pressure source (32, 130), characterized in that it incorporates a second chamber (12, 112) formed in the body (10, 110), a circuit (42) causing this second chamber (12, 112) to communicate with the low pressure reservoir (44, 138), and a valve means (34, 116) responsive to the pressure of the high pressure source (32, 130) normally closing this circuit under the effect of the pressure of the high pressure source (32, 130).

REFERENCES:
patent: 3514163 (1970-05-01), MacDuff
patent: 3798905 (1974-03-01), Tennis
patent: 4312182 (1982-01-01), Filderman

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