Title:
MOTOR
Document Type and Number:
WIPO Patent Application WO/2020/262246
Kind Code:
A1
Abstract:
This motor (10) is provided with a stator (12) having: a stator core (26) that has a plurality of teeth (22) which are formed by using a magnetic material and circumferentially arranged at intervals; and a coil (30) formed by winding a conductive wire around the plurality of teeth (22). In addition, the motor (10) is provided with a rotor (14) that radially faces the stator core (26) and has magnets (20) circumferentially arranged at intervals. Furthermore, the motor (10) is provided with a plurality of pseudo teeth (66) that are formed by using a magnetic material and each disposed in a circumferential intermediate section between a pair of circumferentially adjacent teeth (22). The plurality of pseudo teeth (66) are disposed so as to be concentrated in a circumferential section of the stator core (26).
Inventors:
ECHIZEN MASAYUKI (JP)
SHINODA SEIGO (JP)
NATSUME NAOTO (JP)
SHINODA SEIGO (JP)
NATSUME NAOTO (JP)
Application Number:
PCT/JP2020/024191
Publication Date:
December 30, 2020
Filing Date:
June 19, 2020
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
H02K1/10; H02K1/16; H02K1/18; H02K11/215
Domestic Patent References:
| WO2019064373A1 | 2019-04-04 |
Foreign References:
| JP2016019389A | 2016-02-01 | |||
| JPS60119887U | 1985-08-13 | |||
| JPH0545099Y2 | 1993-11-17 | |||
| JP2010207046A | 2010-09-16 | |||
| JP2002013566A | 2002-01-18 | |||
| JP2000102197A | 2000-04-07 | |||
| JP2017060299A | 2017-03-23 | |||
| JP2016046978A | 2016-04-04 | |||
| JP2018061392A | 2018-04-12 |
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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