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Patent Searching and Data


Title:
MOTOR, AND MOTOR CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/262204
Kind Code:
A1
Abstract:
A motor (31) is provided with a stator (313), a rotor (311), and a movable member (315). The stator (313) includes an annular back yoke (313a), and a plurality of teeth (313b) which project radially inward from the inner circumference of the back yoke (313a). The rotor (311) is provided on the inner circumferential side of the stator (313). The movable member (315) is provided along the outer circumferential surface of the back yoke (313a), and is moved in order to change the characteristics of magnetic flux flowing through the back yoke (313a).

Inventors:
YOKOYAMA KAZUTO (JP)
Application Number:
PCT/JP2020/024041
Publication Date:
December 30, 2020
Filing Date:
June 18, 2020
Export Citation:
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Assignee:
SONY CORP (JP)
International Classes:
H02K1/12
Foreign References:
JP2007259525A2007-10-04
JP2013046519A2013-03-04
JP2017028972A2017-02-02
Other References:
See also references of EP 3993223A4
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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