Brake pressure control valve of a double piping system

Details Brake pressure control valve of a double piping system Brake pressure control valve of a double piping system

1982-12-30

1985-04-09

Stoner, Jr., Bruce H.

Fluid-pressure and analogous brake systems

Multiple fluid-receiving devices

Multiple motors

188349, B60T 826

Patent

active

045098000

ABSTRACT:
In a brake pressure control valve having two valve units arranged therein, there is disposed a free piston self-centering promoting arrangement. The arrangement comprises a shoulder portion of a hollow member which is retained in each valve unit to retain the substantially all essential parts in a casing, a radially outwardly projected portion of the free piston which is axially slidably received in the hollow plug with its outside end contacting with the pair, and an annular spring seat which supports one end of a biasing spring of the pressure control piston of the unit, wherein the spring seat is in abutment with both the shoulder portion and the radially outwardly projected portion at the same time when the free piston assumes its home position.

REFERENCES:
patent: 3701567 (1972-10-01), Shutt et al.
patent: 4269453 (1981-05-01), Sawyer
patent: 4284308 (1981-08-01), Hayashida
patent: 4317598 (1982-03-01), Tandler
patent: 4422694 (1983-12-01), Schopper et al.

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