Title:
MOTOR AND MOTOR MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2019/031050
Kind Code:
A1
Abstract:
This motor is provided with: a rotor that has a shaft disposed along the center axis extending in the vertical direction and that rotates about the center axis; and a stator that opposes the rotor via a gap in the radial direction; a housing that has a cylindrical portion surrounding the stator from the radially outer side; a bearing that rotatably supports the shaft; and a bearing holder that is held in the cylindrical portion and supports the bearing. A groove portion that extends along the circumferential direction is provided on the inner circumferential surface of the housing, and the bearing holder has an outer peripheral portion that is stored in the groove portion.
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Inventors:
YOSHIDA YUSAKU (JP)
NINOMIYA YUTA (JP)
NINOMIYA YUTA (JP)
Application Number:
PCT/JP2018/022134
Publication Date:
February 14, 2019
Filing Date:
June 11, 2018
Export Citation:
Assignee:
NIDEC CORP (JP)
International Classes:
H02K5/173; F16C19/06; F16C25/06; F16C35/077; H02K15/14
Domestic Patent References:
WO2017026491A1 | 2017-02-16 | |||
WO2016063347A1 | 2016-04-28 |
Foreign References:
JPS4715905U | 1972-10-24 | |||
JPH10262352A | 1998-09-29 | |||
JPS5772749U | 1982-05-04 | |||
JPS6018656U | 1985-02-08 | |||
JP2013247815A | 2013-12-09 |
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