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Title:
INSULATING COVER MATERIAL FOR STATOR COILS AND ROTARY MACHINE USING SAME
Document Type and Number:
WIPO Patent Application WO/2019/077793
Kind Code:
A1
Abstract:
An insulating cover material (6) for stator coils, which aims to achieve a good balance between enhancement of thermal conduction and enhancement of withstand voltage, and which is configured of a mica layer (7) that contains mica and a reinforcing layer (8) that is laminated on the mica layer (7) and contains filler particles (10) and a reinforcing material (11). The filler particles (10) are composite particles that are composed of core particles (13) which have an average particle diameter of 1 μm or more and a plurality of fine particles (14) which are affixed to the surface of each core particle (13) and have an average particle diameter of 300 nm or less.

Inventors:
MABUCHI, Takahiro (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
YIN, Xiaohong (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
Application Number:
JP2018/019885
Publication Date:
April 25, 2019
Filing Date:
May 23, 2018
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORPORATION (7-3 Marunouchi 2-chome, Chiyoda-ku Tokyo, 10, 〒1008310, JP)
International Classes:
H02K3/30; H01B3/00; H01B3/04; H01B17/60; H01F5/06; H02K3/34; H02K15/12
Domestic Patent References:
WO2017175875A12017-10-12
WO2013073496A12013-05-23
Foreign References:
JPH06263542A1994-09-20
JP2014017212A2014-01-30
JP2013136658A2013-07-11
JP2015231322A2015-12-21
JP2017222527A2017-12-21
Attorney, Agent or Firm:
MURAKAMI, Kanako et al. (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
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