B - Operations – Transporting – 60 – T
Patent
B - Operations, Transporting
60
T
B60T 13/68 (2006.01) B60T 8/00 (2006.01) B60T 8/36 (2006.01) B60T 15/02 (2006.01) F15B 13/04 (2006.01) F15B 13/043 (2006.01)
Patent
CA 2109372
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.
Électrovalve de serrage et de desserrage de frein comportant une valve-relais électropneumatique pour commander l'alimentation, le maintien et la purge de la pression d'air dans les cylindres de frein de véhicules ferroviaires. La valve-relais électropneumatique comporte une solénoïde de serrage qui commande l'ouverture d'un clapet à bille actionné par une membrane pour acheminer l'air d'un orifice d'admission vers un orifice de refoulement, ainsi qu'une solénoïde de purge qui commande l'ouverture d'un deuxième clapet à bille actionné par une membrane pour purger l'air d'un orifice de refoulement vers un orifice d'évacuation.
Gowda Padmanab L.
Hisker Richard M.
Kazakis Michael V.
Macrae & Co.
Westinghouse Air Brake Company
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