Title:
LAMINATED CORE AND MANUFACTURING METHOD THEREOF
Document Type and Number:
Japanese Patent JP2016073109
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a laminated core capable of sufficiently suppressing occurrence of scrap-rising in a manufacture process and sufficiently achieving both high torque and a low iron loss of a motor at high level.SOLUTION: A laminated core for stator includes a laminate including an annular yoke part and teeth. The laminated core includes: a plurality of first through-holes which are a plurality of through-holes penetrating the laminate and provided on an extension of a center line extending in a radial direction of the teeth in a planar view and along an outer circumference of the yoke part; and a resin filling part which is formed in each of the plurality of first through-holes. The first through-hole includes at least: two side faces extending from an inner circumferential side to an outer circumferential side of the yoke part in such a direction that the side faces are separated from each other; and one side face extending along the outer circumference of the yoke part. On the two side faces and the one side face, protrusions or recesses extending from a top face to a bottom face of the laminate are included.SELECTED DRAWING: Figure 1
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Inventors:
HASUO YUSUKE
ISHIMATSU HISATOMO
IZUMI MASAHIRO
MATSUNAGA YUKIO
ISHIMATSU HISATOMO
IZUMI MASAHIRO
MATSUNAGA YUKIO
Application Number:
JP2014200867A
Publication Date:
May 09, 2016
Filing Date:
September 30, 2014
Export Citation:
Assignee:
MITSUI HIGH TEC
International Classes:
H02K1/18; H02K15/02
Domestic Patent References:
| JPH11332136A | 1999-11-30 | |||
| JPH01289520A | 1989-11-21 | |||
| JP2003264943A | 2003-09-19 | |||
| JP2010268659A | 2010-11-25 | |||
| JP2013150449A | 2013-08-01 | |||
| JPH0583901A | 1993-04-02 | |||
| JP2010063233A | 2010-03-18 |
Foreign References:
| WO2011101986A1 | 2011-08-25 |
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshiki Kuroki
Yohei Suzuki
Yoshiki Kuroki
Yohei Suzuki