B - Operations – Transporting – 60 – T
Patent
B - Operations, Transporting
60
T
B60T 17/04 (2006.01) B60T 13/66 (2006.01) B60T 15/36 (2006.01) B60T 15/54 (2006.01) B60T 17/22 (2006.01)
Patent
CA 2209401
A valve device for reducing the brake pipe pressure in a railroad train brake pipe at a location remote from a train locomotive including a pair of valves, a first valve to controllably vent brake pipe pressure from the brake pipe for purposes of service brake applications and a second valve to quickly vent brake pipe pressure from the brake pipe at a relatively high rate for purposes of emergency brake applications, and a pneumatic drive means to open the first valve in response to a controlled supply pressure and open the second valve in response to an emergency supply pressure.
Bezos Angel P.
Hart James E.
Macrae & Co.
Westinghouse Air Brake Company
LandOfFree
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