Railway car retarder mechanism

Details Railway car retarder mechanism Railway car retarder mechanism

B - Operations, Transporting

61

H

B61H 7/10 (2006.01) B61J 3/02 (2006.01) B61K 7/10 (2006.01) B61L 17/02 (2006.01)

Patent

CA 2166668

A railway car retarder mechanism that employs linear electromagnetic induction to precisely accelerate or decelerate a railcar. The retarder mechanism includes a plurality of linear induction stators having a spaced plurality of primary inductors, a controllable power source electrically connected with selected ones of the primary inductors, a conkoller for controlling the electric current transmitted to the respective primary inductors by the controllable power source, and a sensor for sensing selected railcar parameters and transmitting those parameters to the controller, so that the speed-corrective forces applied by the retarder are proportional to these parameters. The controller regulates the magnetomotive force which is imparted upon a selected one of a plurality of railcar wheel sets, and is connected with each controllable power source. In some embodiments, the sensor include at least a portion of fiber-optic cable, which cable can be disposed proximate to a predetermined length of track rail.

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