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Patent Searching and Data


Title:
MOTOR
Document Type and Number:
WIPO Patent Application WO/2019/065451
Kind Code:
A1
Abstract:
In an aspect of a motor according to the present invention, each of a plurality of busbars has a grip section that grips a conductive wire extending from a coil. In each of the grip sections, a pair of arm portions extend toward the same side in the circumferential direction from base portions. A busbar holder has: a busbar holder body; and a first central cylinder section having a cylindrical shape, the first central cylinder section being centered on a central axis and protruding from the busbar holder body toward the opposite side in an axial direction. A bearing holder has a first central hole section centered on the central axis and passing through the bearing holder in the axial direction. The first central cylinder section is fitted into the first central hole section. One among the bearing holder and the busbar holder has a hole section recessed in the axial direction. The other one among the bearing holder and the busbar holder has a fitting protrusion section protruding in the axial direction. The fitting protrusion section is fitted into the hole section. The axial dimension of the portion, fitted into the first central hole section, of the first central cylinder section is larger than the axial dimension of the portion, fitted into the hole section, of the fitting protrusion section.

Inventors:
OGAWA, Kosuke (338 Kuzetonoshiro-cho Minami-ku, Kyoto-sh, Kyoto 05, 〒6018205, JP)
ONISHI, Tatsuya (338 Kuzetonoshiro-cho Minami-ku, Kyoto-sh, Kyoto 05, 〒6018205, JP)
SEGUCHI, Takashi (338 Kuzetonoshiro-cho Minami-ku, Kyoto-sh, Kyoto 05, 〒6018205, JP)
Application Number:
JP2018/034811
Publication Date:
April 04, 2019
Filing Date:
September 20, 2018
Export Citation:
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Assignee:
NIDEC CORPORATION (338 Kuzetonoshiro-cho, Minami-ku Kyoto-sh, Kyoto 05, 〒6018205, JP)
International Classes:
H02K3/52; H02K3/50; H02K5/04
Foreign References:
JP2016195504A2016-11-17
JP2014138499A2014-07-28
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