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Patent Searching and Data


Title:
AXIAL-GAP ROTARY ELECTRIC MACHINE
Document Type and Number:
WIPO Patent Application WO/2015/075784
Kind Code:
A1
Abstract:
 In the present invention, the efficiency at which a winding is cooled is improved while a stator core is firmly held. An axial-gap rotary electric machine provided with: a stator; a first rotor; a second rotor; and a housing that accommodates the stator, the first rotor, and the second rotor; the stator having a plurality of stator cores, a holding member for holding the plurality of stator cores, a first winding wound on the stator cores and arranged nearer the first rotor than the holding member and a second winding wound on the stator cores and arranged nearer the second rotor than the holding member; wherein the holding member is fixed to the housing so that a portion of the holding member and an inner wall of the housing forms a channel space in which a coolant flows, and additionally the holding member extends toward a center part of the stator so that a space is arranged between the first winding and the second winding.

Inventors:
DEGUCHI KENTA (JP)
NAKAHARA AKIHITO (JP)
KIKUCHI SATOSHI (JP)
Application Number:
PCT/JP2013/081225
Publication Date:
May 28, 2015
Filing Date:
November 20, 2013
Export Citation:
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Assignee:
HITACHI LTD (JP)
International Classes:
H02K1/20; H02K9/19; H02K5/20; H02K16/02
Domestic Patent References:
WO2006068042A12006-06-29
Foreign References:
JP2010172094A2010-08-05
JPS61109448A1986-05-27
JP2001500353A2001-01-09
JP2002513269A2002-05-08
Attorney, Agent or Firm:
INOUE Manabu et al. (JP)
Manabu Inoue (JP)
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