Title:
MANUFACTURING METHOD FOR LAMINATED IRON-CORE
Document Type and Number:
Japanese Patent JP2017216880
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a manufacturing method for laminated iron-core capable of improving an iron core density and reducing generation of eddy currents as many as possible.SOLUTION: The manufacturing method is a manufacturing method for laminated iron-core formed by laminating a plurality of core pieces 10 through a caulked part 23. The laminated iron-core is a stator laminated iron-core 14 and the caulked part 23 is formed at each of a plurality of retaining parts 17, 17a separatable formed on the outside of a yoke part 15. A width of one retaining part 17a in the circumferential direction is different from the width of the other retaining part 17.SELECTED DRAWING: Figure 2
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Inventors:
KOZONO TAKEAKI
BABA SHINTARO
OGATA MOE
BABA SHINTARO
OGATA MOE
Application Number:
JP2017171134A
Publication Date:
December 07, 2017
Filing Date:
September 06, 2017
Export Citation:
Assignee:
MITSUI HIGH TEC
International Classes:
H02K15/02; H02K1/18; H02K1/30
Domestic Patent References:
| JPH10127015A | 1998-05-15 | |||
| JPH0315238A | 1991-01-23 | |||
| JP2007336608A | 2007-12-27 | |||
| JP2010268603A | 2010-11-25 | |||
| JPH11308821A | 1999-11-05 | |||
| JP2011223844A | 2011-11-04 |
Foreign References:
| WO2010082465A1 | 2010-07-22 | |||
| US20120058313A1 | 2012-03-08 | |||
| CN102132366A | 2011-07-20 |
Attorney, Agent or Firm:
Fujio Nakamae
Yohei Kiyoi
Yoshihiro Kurita
Yohei Kiyoi
Yoshihiro Kurita