Ball cock for railway vehicle

Details Ball cock for railway vehicle Ball cock for railway vehicle

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 5/06 (2006.01) B61H 13/34 (2006.01) F16K 11/087 (2006.01) F16K 24/02 (2006.01)

Patent

CA 2238218

The present invention provides a ball cock for a railway vehicle which comprises a main body possessing a primary-side opening and a secondary-side opening which face one another and an air exhaust aperture which is formed between these openings. Such ball cock further incudes a ball-shaped valve body which is rotatably provided inside such main body and in which there is formed a communication aperture which connects the primary side opening and the secondary-side opening and a side aperture which, consequent to its rotation, connects the air exhaust aperture and either the primary-side or secondary-side opening. There is formed in the main body's air exhaust aperture a pipe connection to which is be connected a restrictor. In another embodiment a extension pipe is connected to such pipe connection in such air exhaust aperture. Such pipe extension forms a bend portion which causes its opening surface to be positioned lower than a generally horizontal direction when, in accordance with the state in which the main body is fitted to a railway vehicle, its air exhaust aperture is positioned upwardly from such horizontal direction.

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