Tappet valve assembly for automatic railway vehicle couplers

Details Tappet valve assembly for automatic railway vehicle couplers Tappet valve assembly for automatic railway vehicle couplers

B - Operations, Transporting

61

G

B61G 5/08 (2006.01) B61G 7/08 (2006.01) B61G 7/12 (2006.01)

Patent

CA 2092477

(Case No. 8663) ABSTRACT OF THE DISCLOSURE A tappet valve arrangement for a railway car coupler having a main valve for supplying air pressure from one railway car to another coupled railway car. A piston and cylinder valve for supplying air pressure to a coupler centering device when the railway is in an uncoupled state and for interrupting the flow of air to the coupler centering device when the railway car is in a coupled state. A negating spool valve for overriding the flow of air to the coupler centering device when the railway car is in an uncoupled state. A shut-off valve for interrupting the supply of air from one railway car to another railway car when it is desired to uncouple the railway cars. - 21 -

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