Power plants – Pressure fluid source and motor – Pulsator
Patent
1984-05-23
1987-02-17
Hershkovitz, Abraham
Power plants
Pressure fluid source and motor
Pulsator
60565, 60574, B60T 1320
Patent
active
046429891
ABSTRACT:
The present invention relates to a hydraulic power booster, in particular for the actuation of a master cylinder in an automotive vehicle brake system, wherein there is a booster piston and a brake valve arranged essentially in parallel to the booster piston. In response to an actuating force applied to on a brake pedal, pressure fluid is adapted to be metered into a booster chamber of the hydraulic power booster, the booster chamber being confined by a pedal-operable rod and by the booster piston. In the presence of relatively small actuating forces at the brake pedal, the wheel brakes connected to the working chamber of the master cylinder are supplied with at least the absorption volume required. The booster piston has a projection at the end remote from the pedal extending into a blind-end bore of a master cylinder piston. A hydraulic connection between the blind-end bore and the booster chamber is adapted to be closed by a pedal-operable valve assembly.
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patent: 4514981 (1985-05-01), Brown
Breh Donald J.
Hershkovitz Abraham
IT&T Industries, Inc.
Raden James B.
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