Railways – Car-carried propulsion system – Electric
Patent
1981-01-28
1984-04-03
Reeves, Robert B.
Railways
Car-carried propulsion system
Electric
104304, 105 49, 105133, 105168, 310 12, B61B 1312, B61C 500, H02K 4102
Patent
active
044400926
ABSTRACT:
A steerable truck comprises a pair of wheelsets spaced apart along the longitudinal axis of the truck, each supporting a respective steering yoke. A main frame is supported by the yokes which are connected to the main frame to permit rotation of each yoke relative to the main frame about a respective vertical steering axis. A linear induction motor is located beneath the yokes for cooperation with a reaction rail to propel the truck. A suspension device suspends the motor from the yokes to maintain the motor a fixed height from the reaction rail. The thrust of the motor is transmitted to one of the yokes and a centering device is provided to inhibit lateral displacement of the motor relative to the yokes. The suspension device comprises three links each having universal connections at each end for connection to the motor and a respective one of the yokes. Two of the links are connected at spaced locations between one of the yokes and the motor and other of the links is connected between the other of the axle assemblies and the motor. The three point suspension so provided permits steering and torsional deflection between the yokes while vertically supporting the motor.
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Beltran Howard
Blank Charles A.
Reeves Robert B.
Urban Transportation Development Corporation Ltd.
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