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Patent Searching and Data


Title:
STATOR AND MOTOR
Document Type and Number:
WIPO Patent Application WO/2019/082707
Kind Code:
A1
Abstract:
A stator comprising a stator core, a support member arranged on one side in the axial direction of the stator core, and a plurality of coils. At least one coil has a lead wire having a section extending towards one side in the axial direction and a section arranged on one side of the support member in the axial direction. The section between one coil and another coil is connected by a jumper wire arranged on the other side in the axial direction of the support member and passing through the inside, in the radial direction, of the section of the lead wire extending towards one side of the coil in the axial direction. The support member has: an outer peripheral recessed section recessed radially inwards, from the outer peripheral surface of the support member; a through-hole arranged on the inside of the outer peripheral recessed section, in the radial direction; and a partitioning wall arranged between the outer peripheral recessed section and the through-hole. The partitioning wall has: a first wall surface recessed radially inwards, when viewed from the axial direction; and a second wall surface protruding radially inwards when viewed from the axial direction. A section of the lead wire extending towards one side in the axial direction passes through the outside of the first wall surface, in the radial direction, inside the outer peripheral recessed section.

Inventors:
OKITA AKIHIRO (JP)
MIGITA TAKAYUKI (JP)
AONO MASATO (JP)
HAMADA YUKI (JP)
Application Number:
PCT/JP2018/038226
Publication Date:
May 02, 2019
Filing Date:
October 13, 2018
Export Citation:
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Assignee:
NIDEC CORP (JP)
International Classes:
H02K3/50; H02K3/34; H02K3/38
Domestic Patent References:
WO2017138534A12017-08-17
Foreign References:
JP2002247792A2002-08-30
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