Rotor for synchronous reluctance motor with reduced flux leakage and residual stress
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United States of America Patent
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May 15, 2018
Issued Date -
N/A
app pub date -
Aug 9, 2016
filing date -
Aug 11, 2014
priority date (Note) -
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Abstract
Provided is a synchronous reluctance rotating electrical machine that has superior rotor strength, and that can be manufactured at low cost. Asynchronous reluctance motor has a rotor wherein a multiple of quadrature axes are formed in a circumferential direction. The rotor has two neighboring quadrature axis holes sandwiching a center bridge in the circumferential direction of the rotor in order to form one quadrature axis. The quadrature axis holes communicate with an outer periphery of the rotor on a side opposite to that of the center bridge. The center bridge is located on the outer side, in a radial direction of the rotor, of an inscribed circle of the multiple of quadrature axis holes. Also, the rotor 3 has a direct axis projection protruding in the direction of a direct axis between two neighboring quadrature axes.
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