Title:
ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2018/020859
Kind Code:
A1
Abstract:
Provided is an actuator with which it is possible to match the center of thrust in the Z-axis direction and the center of rotation in the θ-axis direction. In a field part (1), permanent magnets (3a) in which the surface is an N pole and permanent magnets (3b) in which the surface is an S pole are alternately arranged in a lattice shape, in the θ-axis direction and the Z-axis direction. In an armature part (11), there are provided: first cores (12a); second cores (12b) disposed in the θ-axis direction relative to the first cores (12a); third cores (12c) disposed in the Z-axis direction relative to the first cores (12a); and first through third coils (13a-13c) wound around the first through third cores (12a-12c). A control device (14) supplies a current to the first coils (13a) and the second coils (13b) so that a torque is produced in the θ-axis direction. The control device (14) also supplies a current to the first coils (13a) and the third coils (13c) so that thrust is produced in the Z-axis direction.
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Inventors:
KISHI HIROYUKI (JP)
KUBOTA YUJI (JP)
TANI KAZUHIRO (JP)
KUWABARA YOUSUKE (JP)
KARAUSHI TAKEO (JP)
NAKAYAMA HIDEYA (JP)
SAITO HIKARU (JP)
KUBOTA YUJI (JP)
TANI KAZUHIRO (JP)
KUWABARA YOUSUKE (JP)
KARAUSHI TAKEO (JP)
NAKAYAMA HIDEYA (JP)
SAITO HIKARU (JP)
Application Number:
PCT/JP2017/021443
Publication Date:
February 01, 2018
Filing Date:
June 09, 2017
Export Citation:
Assignee:
THK CO LTD (JP)
International Classes:
H02K41/03
Foreign References:
JPS60111381U | 1985-07-27 | |||
JP2009071967A | 2009-04-02 | |||
US5148066A | 1992-09-15 | |||
JP2009065755A | 2009-03-26 | |||
JP2011115021A | 2011-06-09 |
Attorney, Agent or Firm:
SHIOJIMA, Toshiyuki (JP)
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