Empty/load braking system for railroad cars and valve therefor

Details Empty/load braking system for railroad cars and valve therefor Empty/load braking system for railroad cars and valve therefor

B - Operations, Transporting

60

T

303/20

B60T 8/18 (2006.01)

Patent

CA 2029064

Empty/load braking apparatus for individually controlling the braking of the trucks of railway cars and an empty/load valve unit for such use and adapted to be mounted on each truck. The valve unit has a body with a canister as a part thereof or secured thereto with a changeover spool in the body and operable by a load sensing arm, with an air passageway extending between an inlet for receiving pressurized air from the conventional air line and an outlet for connection to a brake cylinder, with a proportional spool for controlling the air passing through the passageway, with a release spool for quick release of air from the brake cylinder upon brake release and with a check valve for preventing the entrance of air into the canister from the braking apparatus during brake release.

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