Title:
PRODUCTION METHOD FOR COIL, AND PRODUCTION METHOD FOR COIL UNIT
Document Type and Number:
WIPO Patent Application WO/2023/188819
Kind Code:
A1
Abstract:
The objective of the present invention is to provide a production method for a coil and a production method for a coil unit which enable an increase in productivity for coils and coil units suitable for use in motors. The production method for a coil comprises: a step of forming a circular wire coil 11 by winding a circular wire conductor M0; and a step of pressing the circular wire coil 11 by means of a mold 51, and forming a rectangular wire coil 12 in which one loop is approximately rectangular.
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Inventors:
HONGO TAKENOBU (JP)
Application Number:
PCT/JP2023/003612
Publication Date:
October 05, 2023
Filing Date:
February 03, 2023
Export Citation:
Assignee:
ASTER CO LTD (JP)
International Classes:
H01F41/04; H01F5/04; H01F27/28; H02K15/04
Foreign References:
| JP2005186092A | 2005-07-14 | |||
| JP2005116708A | 2005-04-28 | |||
| JPH03265437A | 1991-11-26 | |||
| JP2020516053A | 2020-05-28 | |||
| JP2001284139A | 2001-10-12 | |||
| JP2017535941A | 2017-11-30 | |||
| JPH11113226A | 1999-04-23 | |||
| JPH10229665A | 1998-08-25 | |||
| DE102014222468A1 | 2016-05-04 | |||
| US20220013286A1 | 2022-01-13 |
Attorney, Agent or Firm:
SAHARA Masashi et al. (JP)
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