Hydraulic brake system

Details Hydraulic brake system Hydraulic brake system

1983-07-21

1987-09-08

Hershkovitz, Abraham

Power plants

Pressure fluid source and motor

Pulsator

60591, 303 84R, F15B 1518

Patent

active

046915206

ABSTRACT:
A hydraulic vehicle brake system of the type having a high system return pressure is provided. In order to minimize the size and strength of brake return springs required, the invention provides a device to be interposed between the brake and the brake control valve. Preferred embodiments of the device include an inlet port communicating with a brake valve and an outlet port communicating fluid pressure to a vehicle brake. A control assembly is provided intermediate the inlet and outlet ports and includes mechanisms for amplifying the hydraulic pressure effect in the direction from the outlet port to the return pressure system so that the brake return pressure exerted by the brake return springs can be substantially less than the hydraulic system return pressure.

REFERENCES:
patent: 1985361 (1934-12-01), Anthony et al.
patent: 2261444 (1941-11-01), Neubert
patent: 2345165 (1944-03-01), White
patent: 2575719 (1951-11-01), Leeds
patent: 3408119 (1968-10-01), Berglund
patent: 3654834 (1972-04-01), Sifri et al.
patent: 3883189 (1975-05-01), Braun

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