ROTOR STRUCTURE OF INTERIOR-PERMANENT-MAGNET MOTOR
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United States of America Patent
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May 19, 2016
app pub date -
Nov 13, 2014
filing date -
Nov 13, 2014
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Abstract
A rotor structure of interior-permanent-magnet motor includes an iron core member and multiple permanent magnets embedded in the iron core member in the form of a spoke. One end of each magnet near the curvature center of the iron core member is positioned in the space of a corresponding end socket. The space of the end socket restricts the path of the magnetic lines of the magnet and concentrates the magnetic lines to increase the magnetic flux density and enhance the counter potential, whereby the thrust is increased.
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