Load compensating valve with check valve

Details Load compensating valve with check valve Load compensating valve with check valve

1984-07-23

1986-05-06

Butler, Douglas C.

Fluid-pressure and analogous brake systems

Load control

Responsive to fluid pressure spring

303 68, B60T 818

Patent

active

045867542

ABSTRACT:
A load compensating valve for a compressed air brake system for railroad vehicles having air spring devices. The load compensation valve includes a supply chamber and an output chamber which are interconnected by a supply valve and an exhaust valve. A balance piston responsive to air spring pressure for controlling the pressure in the output chamber. A check valve disposed in parallel with the supply valve to allow the output chamber to discharge when the supply chamber is exhausted.

REFERENCES:
patent: 3413042 (1968-11-01), Herold
patent: 3639010 (1972-02-01), Mayer
patent: 3944287 (1976-03-01), Nagase

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