B - Operations – Transporting – 60 – T
Patent
B - Operations, Transporting
60
T
303/16
B60T 13/68 (2006.01) B60T 13/70 (2006.01)
Patent
CA 1073010
ELECTRO-PNEUMATIC APPARATUS FOR GRADUATED BRAKE RELEASE Abstract of the Disclosure An electro-pneumatic circuit is disclosed for cycling a holding magnet valve located in the brake cylinder exhaust pipe of a rail car brake system. As brake pipe pressure rises to signal full or partial release of the brakes, the holding valve is alternately opened and closed to provide a graduated release. The circuit is particularly adapted for rail cars having an electrical train line for controlling the holding valve to permit such cars to be used with other types of cars having a purely pneumatic control for graduated brake release.
299249
Engle Thomas H.
Harris John J.
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