Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
MOTOR
Document Type and Number:
WIPO Patent Application WO/2019/065449
Kind Code:
A1
Abstract:
A motor according to an aspect of the present invention is provided with: a rotor having a shaft arranged along a central axis; a stator having a plurality of coils and radially facing the rotor with a gap therebetween; and a plurality of busbars electrically connected to conductive wires extending from the coils. The busbars have a plate shape having a plate surface along an axial direction and extend along a plane perpendicular to the axial direction. The plurality of busbars include a first busbar and a second busbar. The first busbar has a first large-width section and a first small-width section which is connected to the first large-width section in the extension direction of the first busbar and has a smaller axial dimension than the first large-width section. An end portion on one side of the first small-width section in the axial direction is disposed closer to the other side in the axial direction than an end portion on the one side of the first large-width section in the axial direction. The first small-width section is arranged facing the other side of the second busbar in the axial direction with a gap therebetween.

Inventors:
YAMASHITA, Yoshiaki (338 Kuzetonoshiro-cho Minami-ku, Kyoto-sh, Kyoto 05, 〒6018205, JP)
Application Number:
JP2018/034807
Publication Date:
April 04, 2019
Filing Date:
September 20, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NIDEC CORPORATION (338 Kuzetonoshiro-cho, Minami-ku Kyoto-sh, Kyoto 05, 〒6018205, JP)
International Classes:
H02K3/50; H02K3/52
Domestic Patent References:
WO2015060058A12015-04-30
Foreign References:
JP2013102596A2013-05-23
JP2008312277A2008-12-25
JP2012031808A2012-02-16
Download PDF: