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Patent Searching and Data


Title:
INSULATOR, STATOR, AND MOTOR
Document Type and Number:
WIPO Patent Application WO/2023/140381
Kind Code:
A1
Abstract:
Provided is an insulator 5 placed between a stator core and a three-phase coil wound around the stator core, the insulator 5 comprising: a main body part that covers a coil-wound portion of the stator core to insulate the coil from the stator core; a cross-over wire holding part 63 that is placed on a radially-outer side of the main body part and holds the cross-over wire of the coil, wherein the cross-over wire holding part 63 has a first groove 64A that receives a cross-over wire 3AT of the A-phase coil, a second groove 64B that is placed on the other side of the first groove 64A with respect to the axial direction and receives a cross-over wire 3BT of the B-phase coil, and a third groove 64C that is placed on the other side of the second groove 64B with respect to the axial direction and receives a cross-over wire 3CT of the C-phase coil, and wherein the first groove 64A, the second groove 64B, and the third groove 64C are formed to have different shapes.

Inventors:
YATSUKAWA RYO (JP)
KAWAI RYO (JP)
SUGIMOTO YUKIHIKO (JP)
Application Number:
PCT/JP2023/001938
Publication Date:
July 27, 2023
Filing Date:
January 23, 2023
Export Citation:
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Assignee:
KOMATSU MFG CO LTD (JP)
International Classes:
H02K3/38; H02K3/46
Foreign References:
JP2000134844A2000-05-12
JP2013211956A2013-10-10
JP2015163014A2015-09-07
JP3049249U1998-06-09
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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