Device for magnetizing ring-shaped magnet for BLDC motor
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United States of America Patent
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Feb 21, 2017
Grant Date -
Dec 31, 2015
app pub date -
Jun 3, 2015
filing date -
Jun 25, 2014
priority date (Note) -
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Abstract
Provided is a device for magnetizing a ring-shaped magnet for a brushless direct current (BLDC) motor, including: a rotor having a ring-shaped magnet installed on an outer peripheral surface of a rotor core; and a plurality of magnetizing yokes disposed so as to be spaced apart from each other by a predetermined interval while facing an outer peripheral surface of the ring-shaped magnet, magnetizing the ring-shaped magnet to form even-numbered unit magnets, and magnetizing the ring-shaped magnet only in regions except for one end and the other end of the unit magnets.
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