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Title:
BUS BAR UNIT AND MOTOR
Document Type and Number:
WIPO Patent Application WO/2019/064878
Kind Code:
A1
Abstract:
A bus bar unit is provided with a plurality of bus bars and a bus bar holder for holding the bus bars. The bus bars have a first bus bar piece and a second bus bar piece. The first bus bar piece has a coil wire connection portion connected to a coil wire led out from a stator and a first joint terminal joined to the second bus bar piece. The second bus bar piece has an external connection terminal connected to an external device, a second joint terminal joined to the first bus bar piece, and a second piece body portion connecting the external connection terminal and the second joint terminal. The second bus bar piece is formed of a plate material. The second piece body portion has a first extension portion extending from the external connection terminal along a direction orthogonal to the axis direction, a second extension portion extending from the second joint terminal along a direction orthogonal to the axis direction, and a crank portion positioned between the first extension portion and the second extension portion and bent in a crank shape in the plate thickness direction.

Inventors:
YOSHIKAWA, Masanori (338 Kuzetonoshiro-cho Minami-ku, Kyoto-sh, Kyoto 05, 〒6018205, JP)
YOSHIDA, Yusaku (338 Kuzetonoshiro-cho Minami-ku, Kyoto-sh, Kyoto 05, 〒6018205, JP)
FUJIWARA, Hideo (338 Kuzetonoshiro-cho Minami-ku, Kyoto-sh, Kyoto 05, 〒6018205, JP)
SEGUCHI, Takashi (338 Kuzetonoshiro-cho Minami-ku, Kyoto-sh, Kyoto 05, 〒6018205, JP)
OGAWA, Kosuke (338 Kuzetonoshiro-cho Minami-ku, Kyoto-sh, Kyoto 05, 〒6018205, JP)
Application Number:
JP2018/028250
Publication Date:
April 04, 2019
Filing Date:
July 27, 2018
Export Citation:
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Assignee:
NIDEC CORPORATION (338 Kuzetonoshiro-cho, Minami-ku Kyoto-sh, Kyoto 05, 〒6018205, JP)
International Classes:
H02K3/50; H02K3/52
Domestic Patent References:
WO2014057978A12014-04-17
Foreign References:
JP2017139060A2017-08-10
JP2013062901A2013-04-04
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