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Patent Searching and Data


Title:
STATOR FOR ROTATING ELECTRICAL MACHINE, AND ROTATING ELECTRICAL MACHINE
Document Type and Number:
WIPO Patent Application WO/2021/038966
Kind Code:
A1
Abstract:
This rotating electrical machine stator includes a plurality of standard segment conductors, a plurality of modified segment conductors having a different shape to the standard segment conductors, and an iron core in which a plurality of slots are formed, wherein: each standard segment conductor and modified segment conductor includes a pair of straight-line portions arranged inside slots having a prescribed spacing, a bent portion, which is on one side of the iron core in the axial direction of the stator and which has a head portion, and a pair of end portions formed on the other side of the iron core, to form an inside coil disposed in the circumferential direction of the iron core, and an outside coil disposed in the circumferential direction of the iron core, outside the inside coil; the plurality of modified segment conductors include inside modified segment conductors having a head portion position inside the head portion position of the standard segment conductors in which the inside coil is formed, or outside modified segment conductors having a head portion position outside the head portion position of the standard segment conductors in which the outside coil is formed; and the positions, in the axial direction of the stator, of the head portions of the inside modified segment conductors or the outside modified segment conductors are closer to the iron core than positions of the head portions of the standard segment conductors.

Inventors:
SATO HIDEKI (JP)
ISHIGAMI TAKASHI (JP)
FUJIOKA TAKAHIRO (JP)
KANAZAWA HIROSHI (JP)
KAWASAKI SHOZO (JP)
Application Number:
PCT/JP2020/018590
Publication Date:
March 04, 2021
Filing Date:
May 07, 2020
Export Citation:
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Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD (JP)
International Classes:
H02K3/04; H02K15/04; H02K15/085
Foreign References:
JP2018042423A2018-03-15
JP2009112186A2009-05-21
JP2010136537A2010-06-17
Attorney, Agent or Firm:
SUNNEXT INTERNATIONAL PATENT OFFICE (JP)
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