Travelling field machine
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United States of America Patent
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-
Jan 13, 2009
Grant Date -
Mar 8, 2007
app pub date -
Jun 30, 2004
filing date -
Jul 1, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A travelling field machine with a stator and a rotor which are separated by an air gap and each of which comprises at least one stator coil or one rotor coil, with the stator or the rotor, respectively, comprising a soft magnetic iron body with a stator or rotor back, in which spaced grooves are formed, generating teeth, and in each of the grooves several conductor bars of the stator coil or the rotor coil, respectively, are arranged in series comprising end connectors arranged at the faces of the stator or the rotor, respectively, which connect the conductor bars extending across at least one groove, with the conductor bars comprising conductor portions of different length projecting beyond the faces of the stator or rotor, respectively, and the end connectors being arranged in a stacked fashion in the axial direction at the faces of the stator or the rotor.
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