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Patent Searching and Data


Title:
ROTARY ELECTRIC MACHINE AND ELECTRIC VEHICLE ROTARY ELECTRIC MACHINE SYSTEM USING SAME
Document Type and Number:
WIPO Patent Application WO/2022/113405
Kind Code:
A1
Abstract:
Disclosed is a rotary electric machine that, even while having three-phase alternating-current windings of two systems having different configurations, enables improved efficiency without an increase in the complexity of the configuration of the windings. This rotary electric machine comprises a rotor (2) and a stator (3) having a three-phase alternating-current winding, wherein: the three-phase alternating-current winding includes a first system winding (15) and a second system winding (16) which are independent of each other; a plurality of first slots (18) in which the first system winding (15) is located and a plurality of second slots (19) in which the second system winding (16) is located are provided; the number of first slots (18) is greater than or equal to the number of second slots (19); and the first system winding (15) is positioned more radially inward than the second system winding (16) in the stator (3).

Inventors:
KORI DAISUKE (JP)
SUGIMOTO SHINJI (JP)
FUJII KATSUHIKO (JP)
TSUCHITANI OSAMU (JP)
SATO MISATO (JP)
Application Number:
PCT/JP2021/021699
Publication Date:
June 02, 2022
Filing Date:
June 08, 2021
Export Citation:
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Assignee:
HITACHI INDUSTRIAL PRODUCTS LTD (JP)
International Classes:
H02K16/04; H02K1/16; H02K3/28
Foreign References:
JP2020028199A2020-02-20
JPH08331705A1996-12-13
JPH08289406A1996-11-01
JP2017204902A2017-11-16
CN107332412A2017-11-07
Attorney, Agent or Firm:
POLAIRE I.P.C. (JP)
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