Title:
STATOR, ROTARY ELECTRIC MACHINE, ELECTRIC WHEEL, AND VEHICLE
Document Type and Number:
WIPO Patent Application WO/2022/049841
Kind Code:
A1
Abstract:
A rotary electric machine (100) comprising, in order to increase a torque density, a stator (101) and a rotor (102) provided so as to be rotatable about the axial center (C), wherein: phase coils (120G) each having a substantially rectangular coil-cross-section are arranged in a row in the radial direction in a slot (110) so as to constitute a plurality of layers; the phase coils (120G) are each wound over a group of three or more slots (110) which are contiguously arranged in the circumferential direction; identical-phase slots (111) are provided on each of which only a combination of phase coils (120G) of an identical phase are arranged; different-phase slots (112) are provided on each of which only a combination of phase coils (120G) of two different phases are arranged; and the different-phase slots (112) are disposed one by one so as to be adjacent to respective two sides of sets of identical-phase slots (111) comprising at least two slots arranged contiguously in the circumferential direction.
Inventors:
ITO MAKOTO (JP)
SUTO TETSUYA (JP)
TAKAHASHI AKESHI (JP)
SUTO TETSUYA (JP)
TAKAHASHI AKESHI (JP)
Application Number:
PCT/JP2021/019870
Publication Date:
March 10, 2022
Filing Date:
May 25, 2021
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
H02K3/04; H02K3/28
Domestic Patent References:
| WO2016104262A1 | 2016-06-30 |
Foreign References:
| JP2016039660A | 2016-03-22 | |||
| JP2010028923A | 2010-02-04 |
Attorney, Agent or Firm:
KAICHI IP (JP)
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