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Patent Searching and Data


Title:
STATOR AND DYNAMO-ELECTRIC MACHINE
Document Type and Number:
WIPO Patent Application WO/2021/199376
Kind Code:
A1
Abstract:
The present invention is a stator (3) provided with: a stator core (102) having a yoke part (12) formed in a ring shape, and a plurality of teeth parts (11) projecting to the inside (X2) with respect to the radial direction (X), at prescribed intervals in the circumferential direction (Z), on the inside (X2) with respect to the radial direction (X) of the yoke part (12); and a winding (101) installed in slots (13) between the teeth parts (11), the stator (3) being provided with a cooling tube (204) that extends in the axial direction (Y) of the stator (3) and that is formed from a non-electroconductive member serving as a channel for a refrigerant, the cooling tube (204) being formed so as to have an outer profile (W1, W2) that is the same in the axial direction (Y) and having a thickness that changes with the axial direction (Y).

Inventors:
ARITA HIDEAKI (JP)
HIDAKA YUKI (JP)
KATO KENJI (JP)
Application Number:
PCT/JP2020/015021
Publication Date:
October 07, 2021
Filing Date:
April 01, 2020
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02K1/32; H02K9/19
Domestic Patent References:
WO2004019468A12004-03-04
Foreign References:
JP2005051997A2005-02-24
JP2006218350A2006-08-24
JP2008049026A2008-03-06
JP2003150150A2003-05-23
Attorney, Agent or Firm:
PALMO PATENT FIRM, P.C. (JP)
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