B - Operations – Transporting – 61 – G
Patent
B - Operations, Transporting
61
G
B61G 7/00 (2006.01) B61G 3/00 (2006.01) B61G 3/20 (2006.01) B61G 7/14 (2006.01)
Patent
CA 2125746
An improved coupler control circuit board which can be positioned in an environmentally protected location for controlling an uncoupling operation of a mechanical type coupler mechanism utilized to connect adjacently disposed ends of a pair of passenger transit type railway cars. Such coupler control circuit board includes a power supply device connected to receive a predetermined input voltage. The power supply device reduces such predetermined input voltage received therein to a suitable predetermined output voltage. A timer/sequencer device is connected to receive as inputs thereto both such predetermined output voltage from such power supply device and an uncoupling command signal from a momentary input command for providing a pair of output signals. A first relay driver is connected to receive a first one of such pair of output signals from such timer/sequencer means for providing an uncoupling output signal, and a second relay driver is connected to receive a second one of such pair of output signals from such timer/sequencer means for providing a coupling output signal.
Hanano M. Nihad
Mazur Richard J.
Mcgee Conley Lee
Macrae & Co.
Westinghouse Air Brake Company
LandOfFree
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