Motor rotor assembly and motor comprising the same
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United States of America Patent
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Jan 9, 2018
Issued Date -
N/A
app pub date -
Aug 28, 2015
filing date -
Apr 30, 2014
priority date (Note) -
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Abstract
A motor rotor assembly including: a rotor core, a plurality of permanent magnets, and end plates. The permanent magnets are disposed on the rotor core, and the end plates are disposed at two end surfaces of the rotor core, respectively. A plurality of grooves is disposed at the outer edge of the top surface of the end plates, a plurality of convex columns protrudes from the bottom wall of the end plates.
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