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Patent Searching and Data


Title:
MOTOR
Document Type and Number:
WIPO Patent Application WO/2024/004023
Kind Code:
A1
Abstract:
A motor (100) includes a stator (10) and a rotor (20). The stator includes a plurality of first teeth (11b) arranged at an interval in a circumferential direction, and an armature winding (12) wound around each of the plurality of first teeth. The armature winding is a ring connection (13). A DC power supply (50) is connected to one end and another end of the ring connection. Magnetic poles of the same polarity are formed at each of the plurality of first teeth by DC current flowing through the armature winding. The rotor includes a rotor core (21) and a plurality of permanent magnets (22). The rotor core includes an outer diameter surface (21a) facing outward in a radial direction, and an inner diameter surface (21b) that is a surface opposite the outer diameter surface in the radial direction. The rotor core includes, on the outer diameter surface, a plurality of salient poles (21e) that create a first magnetic pole. The plurality of salient poles are arranged at an interval along the circumferential direction.

Inventors:
MITSUDA HIROSHI (JP)
ITO KAZUMASA (JP)
FUKAMI TADASHI (JP)
KOYAMA MASATO (JP)
Application Number:
PCT/JP2022/025727
Publication Date:
January 04, 2024
Filing Date:
June 28, 2022
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
KANAZAWA INSTITUTE OF TECH (JP)
International Classes:
H02K21/16
Domestic Patent References:
WO2014167645A12014-10-16
Foreign References:
JP2011114941A2011-06-09
JPS5016818A1975-02-21
JP2019097283A2019-06-20
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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