Rotor of rotary electric machine
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United States of America Patent
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Sep 1, 2015
Grant Date -
Feb 6, 2014
app pub date -
Oct 10, 2013
filing date -
Nov 1, 2010
priority date (Note) -
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Abstract
A rotor of a rotary electric machine includes a rotor core, a plurality of magnet groups, and a plurality of grooves provided between adjacent slot groups. A circumferential rib is provided at a first position on an outer circumferential surface of each of the magnets. A radial direction rib is provided at a second position on a circumferential direction surface of each of the magnets. A curved rib connects the circumferential rib and the radial direction rib, and has an inner surface and an outer surface both being curved in an circular arc shape. The circumferential rib, the curved rib, and the radial direction rib are spaced apart from the outer circumferential surface, the outer circumferential corner, and the circumferential direction surface of each of the magnets.
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