B - Operations – Transporting – 60 – T
Patent
B - Operations, Transporting
60
T
B60T 13/66 (2006.01) B60R 16/00 (2006.01) B61C 17/12 (2006.01) B61H 13/00 (2006.01)
Patent
CA 2290162
An apparatus and method for low power ECP brake emulation in a freight train having ECP equipped cars and one or more non-ECP equipped locomotives wherein power for the ECP equipment is provided by the 74 VDC locomotive battery. The apparatus includes an adapter for interfacing the locomotive MU cable and the ECP wire to supply sufficient power to operate the ECP equipment on each car indefinitely in a low power emulation mode. The method includes interfacing the locomotive MU cable to the ECP wire, implementing a low power emulation mode wherein pneumatic signals sent via the brake pipe are detected by pressure sensors and communicated to ECP control waives for changing the brake cylinder pressure accordingly. The method further includes minimizing power consumption by providing power only to the brake pipe sensors and minimal electronics to monitor pressure changes and thereafter activating other sensors and controls only as needed.
Macrae & Co.
Westinghouse Air Brake Company
LandOfFree
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