Title:
COIL, AND STATOR, ROTOR, AND MOTOR EQUIPPED WITH SAME, AND MANUFACTURING METHOD FOR COIL
Document Type and Number:
WIPO Patent Application WO/2020/255614
Kind Code:
A1
Abstract:
In this coil, a wire having a rectangular cross-section is spirally wound and is stacked n turns (n is an integer of 2 or greater). The k-th turn (k is an integer and 1≤k≤n) of the coil has at least a straight line part, and a corner part extending from an end section of the straight line part. In the outer circumferential surface of the corner part, at least a first bent part bent toward the inner circumference side and a second bent part bent toward the outer circumference side are formed, and the curvature C1 of the first bent part is different from the curvature C2 of the second bent part.
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Inventors:
SAKAGUCHI HIROKI
NAKAMURA YOSHIHARU
KOYAMA SHOICHI
KAWAMURA TOSHIKIYO
KAWAMURA KIYOMI
TANIGUCHI HIDEYUKI
WATANABE AKIHIKO
NAKAMURA YOSHIHARU
KOYAMA SHOICHI
KAWAMURA TOSHIKIYO
KAWAMURA KIYOMI
TANIGUCHI HIDEYUKI
WATANABE AKIHIKO
Application Number:
PCT/JP2020/020070
Publication Date:
December 24, 2020
Filing Date:
May 21, 2020
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H02K3/18; H02K15/04
Foreign References:
| JP2008178199A | 2008-07-31 | |||
| JP2009283591A | 2009-12-03 | |||
| JP2008160946A | 2008-07-10 | |||
| JPS5246020B2 | 1977-11-21 |
Other References:
See also references of EP 3985840A4
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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