DEVICE FOR APPLYING AT LEAST ONE ELECTRICAL PULSE TO AT LEAST ONE ELECTRICAL COIL OF A TRACK BRAKE OF A RAIL VEHICLE
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United States of America Patent
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Issued Date -
Sep 4, 2014
app pub date -
Jul 26, 2012
filing date -
Jul 28, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A device for supplying at least one electrical excitation coil with at least one electrical current pulse in order to alternatively permanent-magnetize or demagnetize at least one magnet segment containing hard magnetic material of a brake magnet of a track brake of a rail vehicle. The device has at least one long-term energy store and at least one magnetization circuit with a voltage transformer and having a switching device connected in an electrically conductive manner to the high-current energy store at one end and to the excitation coil at the other end, by means of which switching device current pulses to the excitation coil that are based on the electrical energy stored in the high-current energy store and that can be alternatively varied regarding the current flow direction can be switched according to the control signals controlled by a control device.
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