Fluid-pressure and analogous brake systems – Multiple systems – Fluid pressure and electric
Patent
1985-12-11
1987-08-18
Caldwell, Sr., John W.
Fluid-pressure and analogous brake systems
Multiple systems
Fluid pressure and electric
303 15, 303 20, 246187A, B60T 1368
Patent
active
046872582
ABSTRACT:
A remote control system for a locomotive utilizes air from the train air brake line to control the independent locomotive brakes. The system provides a portable remote control unit for easy attachment to a locomotive utilizing locomotive power and trainline wires to provide input for the locomotive operation. The system comprises an air link between the train air brake line and the independent locomotive brake line, brake control valve in the air link, operating control for the brake control valve utilizing air from the train air brake line to control air pressure in the independent locomotive brake line, receiver attached to the locomotive for receiving radio instructions and producing signals for the operating control for the brake control valve, direction of travel and throttle position for the locomotive, and transmitter having control switches for an operator remote from the locomotive to send radio instructions to the receiver.
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"Radio-Controlled Shunting Locomotives from Track-Side or Fixed-Site Look-Out", Rail International, Autumn 1984, pp. 21-23.
Caldwell Sr. John W.
Canadian National Railway Company
Oberley Alvin
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