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Patent Searching and Data


Title:
ELECTRIC MOTOR
Document Type and Number:
WIPO Patent Application WO/2018/109909
Kind Code:
A1
Abstract:
An electric motor, provided with a three-phase winding provided to a stator core, and a neutral-point storage part for storing the neutral points of the three-phase winding. Each of the phases of the three-phase winding includes a first winding part comprising a copper wire and a second winding part comprising an aluminum wire. The neutral point storage part stores the neutral point of the first winding part of each of the phases and the neutral point of the second winding of each of the phases. The neutral point storage part has at least one contact prevention part having insulating properties and a plurality of storage parts partitioned by the contact prevention part. The neutral point of the first winding part and the neutral point of the second winding part are stored in different storage parts.

Inventors:
ONO MASASHI (JP)
ARAI TOSHIO (JP)
Application Number:
PCT/JP2016/087416
Publication Date:
June 21, 2018
Filing Date:
December 15, 2016
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02K3/38; H02K3/04; H02K3/50
Foreign References:
JP2016025704A2016-02-08
JP2007104812A2007-04-19
JP2008187875A2008-08-14
JP2010063233A2010-03-18
JP2003230257A2003-08-15
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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