Title:
ROTOR CORE AND ROTARY ELECTRIC MACHINE
Document Type and Number:
WIPO Patent Application WO/2021/161714
Kind Code:
A1
Abstract:
According to the present invention, the flow of magnetic flux at the tip part of teeth is adjusted. Provided is a rotor core of a rotary electric machine, comprising: a slot part where a coil is wound; and a teeth part forming a space for winding the coil in the slot part, wherein a boundary part with the slot part on the inner peripheral side of the teeth part has a flat part formed in a straight line perpendicular to the radial direction, and a curved part formed in a curved shape continuous with the flat part, via an inflection point provided at the boundary with the flat part, and the curved part is positioned at the tip of the flat part in the circumferential direction of the teeth part.
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Inventors:
SAITO TAKAFUMI (JP)
SAITO YASUO (JP)
YAMASHITA DAISUKE (JP)
OKABE KEIJIRO (JP)
SAITO YASUO (JP)
YAMASHITA DAISUKE (JP)
OKABE KEIJIRO (JP)
Application Number:
PCT/JP2021/001180
Publication Date:
August 19, 2021
Filing Date:
January 15, 2021
Export Citation:
Assignee:
HITACHI ASTEMO LTD (JP)
International Classes:
H02K1/26; H02K23/04
Foreign References:
| JP2003018773A | 2003-01-17 | |||
| JP2007267439A | 2007-10-11 | |||
| JP2006333584A | 2006-12-07 |
Attorney, Agent or Firm:
TODA Yuji (JP)
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