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Patent Searching and Data


Title:
MOTOR
Document Type and Number:
WIPO Patent Application WO/2019/189303
Kind Code:
A1
Abstract:
This motor according to an example of the present invention has: a cylindrical housing which has an opening at one axial end section and a female thread section on an inner circumferential surface of the opening; a stator provided on the radial inside of the housing; a rotor which is provided on the radial inside of the stator and to which a member to be driven is connected; a bearing which is supported by the housing and rotatably supports the rotor around the center axis of the rotor; a bearing retaining section extending to the radial inside from the housing and abutting to the bearing from the other axial side with respect to the bearing; a pressing member which is provided in the opening of the housing, has a male thread section provided on the outer circumferential surface thereof and fastened to the female thread section, and presses the bearing toward the other axial side; and a plate-shaped interposed object provided between the pressing member and the bearing in the axial direction and formed of a material harder than the pressing member. The interposed object has a greater contact area with the pressing member than the contact area with the bearing.

Inventors:
SAMBUICHI, Hiroshi (338 Kuzetonoshiro-cho Minami-ku, Kyoto-sh, Kyoto 05, 〒6018205, JP)
AONO, Masato (338 Kuzetonoshiro-cho Minami-ku, Kyoto-sh, Kyoto 05, 〒6018205, JP)
MIGITA, Takayuki (338 Kuzetonoshiro-cho Minami-ku, Kyoto-sh, Kyoto 05, 〒6018205, JP)
Application Number:
JP2019/013085
Publication Date:
October 03, 2019
Filing Date:
March 27, 2019
Export Citation:
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Assignee:
NIDEC CORPORATION (338 Kuzetonoshiro-cho, Minami-ku Kyoto-sh, Kyoto 05, 〒6018205, JP)
International Classes:
H02K5/173; F16C19/06; F16C19/46; F16C35/077; H02K5/10
Foreign References:
JP2017184421A2017-10-05
JP2009247167A2009-10-22
JPH0984293A1997-03-28
JP2014147172A2014-08-14
JP2006005987A2006-01-05
JP2016111783A2016-06-20
JP2012029492A2012-02-09
JP2006109592A2006-04-20
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