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Patent Searching and Data


Title:
DYNAMO-ELECTRIC MACHINE AND DRIVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/084889
Kind Code:
A1
Abstract:
This dynamo-electric machine comprises: a first rotor, second rotor, …, and mth rotor (where m is an integer equal to or greater than 2) having differing numbers of polar pairs; and a stator having a plurality of teeth and a coil wound on the plurality of teeth. The first rotor, second rotor, …, mth rotor, and the stator are positioned coaxially. The first rotor, second rotor, …, and mth rotor are driven with 2m+1-phase alternating current, amd the phase differences in the 2m+1-phase alternating current driving the first rotor, second rotor, …, and mth rotor are mutually differing phase differences selected from among 360°/(2m+1), 2 × 360°/(2m+1), 3 × 360°/(2m+1), …, and m × 360°/(2m+1).

Inventors:
UKAJI HAJIME
MORIMOTO EIKI
HIRATA KATSUHIRO
NIGUCHI NOBORU
TAKAHARA KAZUAKI
SUZUKI HIRONORI
Application Number:
PCT/JP2020/032983
Publication Date:
May 06, 2021
Filing Date:
September 01, 2020
Export Citation:
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Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H02K16/02; H02K21/14; H02P25/024
Foreign References:
JP2000217316A2000-08-04
JP2019080438A2019-05-23
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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