Fluid-pressure and analogous brake systems – Releasing – Motor
Patent
1975-08-13
1976-06-29
Reger, Duane A.
Fluid-pressure and analogous brake systems
Releasing
Motor
303 66, B60T 1532
Patent
active
039662713
ABSTRACT:
A fluid brake control system is disclosed for having an improved brake cylinder release control device for use in association with a brake control pipe, a fluid reservoir, and a service valve. The control device has a housing containing a differential abutment subject to actuation from a normal position by differences in pressure between a release spring in a chamber on one side of the abutment and pressure selectively applied to the abutment in another chamber on the opposite side of the abutment. A plurality of poppet type valves operated by longitudinal push rods connected by a bridge are provided in the chamber on each side of the abutment, the bridge being actuated at a midpoint by the abutment.
REFERENCES:
patent: 2077930 (1937-04-01), Hewitt
patent: 2392185 (1946-01-01), Pickert
General Signal Corporation
Reger Duane A.
Wynn Harold S.
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