Title:
MOTOR
Document Type and Number:
WIPO Patent Application WO/2020/080548
Kind Code:
A1
Abstract:
This motor is provided with a housing, a bus bar holder, a bearing holder, and a lid part, wherein: the housing has a first housing recess portion that recesses from an end on one axial direction side of the cylindrical housing body toward the other axial direction side, a housing projection portion that extends from the bottom surface of the first housing recess portion toward the one axial direction side, a step portion positioned on the one axial direction side relative to the housing projection portion, and a housing extension portion extending from an opening portion toward the one axial direction side; the bearing holder has a bearing projection portion extending radially outward from the radially outer side end; the bearing projection portion is disposed in the first housing recess portion, and is secured by being crimped between the housing projection portion and the inner-side surface of the first housing recess portion; the lid part is in contact with the step portion along the axial direction; the housing extension portion is crimped with respect to the lid part; a gap is formed in the axial direction between the lid part and the housing projection portion; and a gap is formed in the circumferential direction between the housing projection portion and the inner-side surface of the first housing recess portion.
Inventors:
NORIKANE YUKI (JP)
SAMBUICHI HIROSHI (JP)
MIGITA TAKAYUKI (JP)
SAMBUICHI HIROSHI (JP)
MIGITA TAKAYUKI (JP)
Application Number:
PCT/JP2019/041231
Publication Date:
April 23, 2020
Filing Date:
October 19, 2019
Export Citation:
Assignee:
NIDEC CORP (JP)
International Classes:
H02K5/173; H02K3/34; H02K11/30
Domestic Patent References:
WO2018062006A1 | 2018-04-05 |
Foreign References:
JP2013219933A | 2013-10-24 | |||
JP2016073118A | 2016-05-09 | |||
JP2016019420A | 2016-02-01 | |||
JP2015220793A | 2015-12-07 | |||
JP2017212853A | 2017-11-30 | |||
JPS57104751U | 1982-06-28 | |||
JPS5923265U | 1984-02-13 |
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