B - Operations – Transporting – 60 – L
Patent
B - Operations, Transporting
60
L
310/34
B60L 7/28 (2006.01) B61H 7/08 (2006.01) H01F 7/02 (2006.01) H01F 7/04 (2006.01) H02K 49/04 (2006.01) H02K 49/06 (2006.01)
Patent
CA 1071282
INFINITELY VARIABLE WEAR-FREE EDDY CURRENT AND/OR HYSTERESIS BRAKE, PREFERABLY FOR TRACK-BOUND VEHICLES ABSTRACT An eddy current or hysteresis brake, preferably for track bound vehicles which is infinitely variable and wear-free. A cylindrical rotatable permanent magnet magnetized on its diameter is arranged between a pair of pole pieces in combination with the plurality of stationary magnets, each arranged to magnetize the pole pieces with opposite magnetic polarity. By rotating the cylindrical magnet, the magnetic field at the ends of the pole pieces can be varied from a maximum to zero. The generated flux is projected into the track. Braking occurs by induced eddy currents.
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