Title:
ARMATURE CORE OF ROTARY ELECTRIC MACHINE, CORE-BLOCK COUPLED BODY, AND MANUFACTURING METHOD FOR ARMATURE CORE OF ROTARY ELECTRIC MACHINE
Document Type and Number:
WIPO Patent Application WO/2019/087339
Kind Code:
A1
Abstract:
In this armature core of a rotary electric machine, at least one core-block coupled body is formed by layering at least one first core-piece arrangement layer and at least one second core-piece arrangement layer. Each two adjacent core blocks in the at least one core-block coupled body, are coupled with a rotary coupling part. In the first core-piece arrangement layer, a first cutout portion that is open toward a side opposite to a tooth side, is formed between each two adjacent first core pieces. A first welded portion for fixing the two core blocks coupled by the rotary coupling part, is provided in the first cutout portion.
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Inventors:
UMEDA TAKASHI (JP)
Application Number:
PCT/JP2017/039601
Publication Date:
May 09, 2019
Filing Date:
November 01, 2017
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02K1/18; H02K15/02
Foreign References:
| JP2000201458A | 2000-07-18 | |||
| JPH077875A | 1995-01-10 | |||
| JP2001231190A | 2001-08-24 |
Attorney, Agent or Firm:
SOGA, Michiharu et al. (JP)
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