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Patent Searching and Data


Title:
ROTATING ELECTRICAL MACHINE
Document Type and Number:
WIPO Patent Application WO/2016/059700
Kind Code:
A1
Abstract:
A rotating electrical machine according to the present invention is provided with: a rotor core provided with slots penetrating in the axial direction thereof; rotor windings that are installed in the slots of the rotor core and have coil end parts that extend further to the outside in the axial direction than the core end surface of the rotor core; U-shaped channels that are disposed in the rotor core slots so as to abut and come into contact with the bottom parts of the rotor windings, extend in the axial direction, and protrude further to the outside in the axial direction than the core end surface of the rotor core; slot cells that are installed inside the rotor core slots and insulate the rotor windings and U-shaped channels from the rotor core; and spacers that are disposed between portions of the rotor windings protruding further than the core end surface of the rotor core. The protruding end surfaces of the U-shaped channels are disposed further to the inside in the axial direction than the protruding end surfaces of the spacers.

Inventors:
UCHIDA YOSUKE (JP)
YAMAMOTO NAOKI (JP)
Application Number:
PCT/JP2014/077536
Publication Date:
April 21, 2016
Filing Date:
October 16, 2014
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02K9/04; H02K1/32
Foreign References:
JPS54179407U1979-12-19
JPH06105492A1994-04-15
JPS63182649U1988-11-24
JPH01270747A1989-10-30
JP2001518277A2001-10-09
JP2001258190A2001-09-21
JPH11150898A1999-06-02
JP2010057318A2010-03-11
Other References:
See also references of EP 3208916A4
Attorney, Agent or Firm:
OIWA Masuo et al. (JP)
Masuo Oiwa (JP)
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