Brake master cylinder

Details Brake master cylinder Brake master cylinder

1981-03-25

1987-09-22

Hershkovitz, Abraham

Power plants

Pressure fluid source and motor

Pulsator

1374932, 1375135, B60T 1108

Patent

active

046946519

ABSTRACT:
In a master cylinder of the quick-fill type, communication between the quick-fill chamber (8) and the reservoir (13) is controlled by a valve assembly comprising a pressure responsive valve which opens when the pressure in the quick-fill chamber (8) reaches a predetermined level, and a one-way valve (20, 22) which allows free flow of fluid from the reservoir to the quick-fill chamber. The valve member (20) and seat (15) of the pressure responsive valve have confronting surfaces which define between them, when the valve is closed, a restrictive passage for pressure equalization purposes, and any dirt becoming trapped between the surfaces is washed away by the fluid flow on opening of the valve.

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patent: 4208881 (1980-06-01), Brademeyer
patent: 4249380 (1981-02-01), Melendy
patent: 4329846 (1982-05-01), Gaiser

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