Pressure activated isolation valve

Details Pressure activated isolation valve Pressure activated isolation valve

1987-08-21

1989-04-25

Kashnikow, Andres

Fluid-pressure and analogous brake systems

Flow retarder

Isolation valve

303113, 303115, 60563, 60565, 91 33, 13762566, 137901, B60T 1536, B60T 848

Patent

active

048241814

ABSTRACT:
An iosolation valve usable with an adaptive braking/traction control system comprising a plurality of passages adapted to communicate to a variety of pressure sources and an outlet port adapted to communicate to at least one brake cylinder. A valve movable to open and close one or the other of opposingly situated first and second passages to alternately communicate a master cylinder to the outlet port or a second pressure source to the outlet port so that when the first passage is closed by the valve the brake master cylinder is isolated from the brake cylinder.

REFERENCES:
patent: 3423136 (1969-01-01), LohBauer
patent: 4036534 (1977-07-01), Kondo et al.
patent: 4685749 (1987-08-01), Otsuki et al.
patent: 4694862 (1987-09-01), Rott

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