B - Operations – Transporting – 60 – T
Patent
B - Operations, Transporting
60
T
303/46
B60T 15/00 (2006.01) B60T 15/18 (2006.01) B60T 17/18 (2006.01) B61H 15/00 (2006.01)
Patent
CA 1185302
ABSTRACT OF THE DISCLOSURE A railroad air brake system for truck mounted air brakes includes an ABDW valve and auxiliary and emergency reservoirs with pipe connections therebetween. There is a brake pipe and a connection between the brake pipe and the ABDW valve. Truck mounted brake cylinders are located at each truck and a brake cylinder pipe connects the brake cylinders with the ABDW valve. A brake cylinder pressure maintaining valve is connected to the brake pipe, brake cylinder pipe and volume reservoir, as well as to the emergency reservoir. The brake cylinder pressure maintaining valve operates to provide air from the volume reser- voir to the brake cylinder pipe and thus the brake cylinders when pressure in the brake cylinder pipe drops below a predeter- mined level, thus insuring a minimum brake application pressure, regardless of the piston travel of the brake cylinders.
389524
Riches Mckenzie & Herbert Llp
Sloan Valve Company
LandOfFree
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