Valve assemblies for vehicle hydraulic braking systems

Details Valve assemblies for vehicle hydraulic braking systems Valve assemblies for vehicle hydraulic braking systems

1975-10-31

1977-05-10

Maslousky, Paul E.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

91376R, 91457, F15B 910

Patent

active

040221113

ABSTRACT:
In a control valve assembly of the kind set forth for vehicle braking systesm a valve-operating member for operating first and second valves is guided to slide in a bore in a piston. The valve-operating member is adapted to permit the second valve to close and the first valve subsequently to open when the first piston is returned to an inoperative retracted position in response to the pressure of fluid remaining the pressure space when the applying force is relieved, the pressure space being defined between the first piston and a second piston.

REFERENCES:
patent: 2544042 (1951-03-01), Pontius
patent: 2761427 (1956-09-01), Shumaker
patent: 3035552 (1962-05-01), Hill
patent: 3054387 (1962-09-01), Kellogg
patent: 3151530 (1964-10-01), Brown

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