Title:
MOTOR
Document Type and Number:
WIPO Patent Application WO/2018/155006
Kind Code:
A1
Abstract:
A delta-connection three-phase brushless motor having six or more poles is provided with a stator having a plurality of coils, a rotor rotating about the central axis extending in a vertical direction, and a first bus bar, a second bus bar, and a third bus bar to which the lead-out wires of the coils are respectively connected, wherein: the first bus bar has a first connection portion to which two lead-out wires are connected; the second bus bar has a second connection portion to which two lead-out wires are connected; the third bus bar has a third connection portion to which one lead-out wire is connected and a fourth connection portion to which one lead-out wire is connected; and the first and second connection portions are disposed side by side in the circumferential direction and the third and fourth connection portions are disposed sandwiching the first and second connection portions in the circumferential direction.
Inventors:
OGAWA KOSUKE (JP)
SEGUCH TAKASHI (JP)
MURAKAMI SHUNSUKE (JP)
ATARASHI TAKAO (JP)
SEGUCH TAKASHI (JP)
MURAKAMI SHUNSUKE (JP)
ATARASHI TAKAO (JP)
Application Number:
PCT/JP2018/001077
Publication Date:
August 30, 2018
Filing Date:
January 16, 2018
Export Citation:
Assignee:
NIDEC CORP (JP)
International Classes:
H02K3/50; H02K3/04; H02K5/22
Domestic Patent References:
| WO2009113629A1 | 2009-09-17 | |||
| WO2016088989A1 | 2016-06-09 |
Foreign References:
| JP2007202263A | 2007-08-09 | |||
| JP2013223295A | 2013-10-28 |
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