Application and release magnet valve

Details Application and release magnet valve Application and release magnet valve

1993-04-08

1995-10-03

Michalsky, Gerald A.

Fluid handling

Systems

Supply and exhaust

91454, 13759618, 137901, 251 613, 3031181, F15B 13043

Patent

active

054543991

ABSTRACT:
An application and release magnet valve including an electropneumatic pilot valve portion for controlling a main air valve portion for supplying, maintaining, and releasing air pressure in the brake cylinders on a railway vehicle. The electropneumatic pilot valve portion includes an application solenoid which opens a first diaphragm actuated ball check valve in the main air valve portion to supply air from a supply port to a delivery port and includes a release solenoid which opens a second diaphragm actuated ball check valve to vent air from the delivery port to an exhaust port.

REFERENCES:
patent: Re31161 (1983-03-01), Mahorney
patent: 595061 (1897-12-01), Gulland
patent: 2293068 (1942-08-01), McLaughlin
patent: 3176954 (1965-04-01), Cameron et al.
patent: 3905393 (1975-09-01), Hartwig
patent: 4111226 (1978-09-01), Cameron
patent: 5261442 (1993-11-01), Kingsford et al.
Industrial Hydraulic Technology, Bulletin 0221-B1, Apr., 1982, pp. 6-1 through 6-3, Parker-Hannifin Corporation, 17325 Euclid Avenue, Cleveland, Ohio, 44112 (Parker).

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