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Title:
ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2019/123772
Kind Code:
A1
Abstract:
[Problem] To provide an actuator that is capable of realizing a high output with a smaller number of components. [Solution] This actuator is provided with: a stator that has teeth arrayed on the outer peripheral surface thereof; a rotor that rotates about the center axis of the stator while teeth arrayed on the outer peripheral surface of the rotor are engaged with the teeth arrayed on the outer peripheral surface of the stator; and a second gear that is connected to an output shaft and that rotates in engagement with a first gear coaxially connected to the center axis of the rotor, wherein the stator has an electromagnet, the rotor has a magnet, and a magnetic pole of the electromagnet corresponding to the position of the rotor moves along the peripheral direction of the stator.

Inventors:
VANHEERDEN KIRILL (JP)
Application Number:
PCT/JP2018/037146
Publication Date:
June 27, 2019
Filing Date:
October 04, 2018
Export Citation:
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Assignee:
SONY CORP (JP)
International Classes:
H02K21/22; F16H1/28; H02K1/27; H02K7/116; H02K16/00
Domestic Patent References:
WO2016089855A12016-06-09
Foreign References:
JP2006217779A2006-08-17
JP2014100027A2014-05-29
CN102916523A2013-02-06
JP2009177982A2009-08-06
Other References:
See also references of EP 3731387A4
Attorney, Agent or Firm:
KAMEYA, Yoshiaki (JP)
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