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Title:
ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2016/067903
Kind Code:
A1
Abstract:
 An actuator (202) has: a rod-shaped inner yoke (1) inserted through a cylindrical outer yoke (10); a support member for supporting the outer yoke (10) so as to be capable of moving straight along the axial direction of the inner yoke (1); a first coil (2) and a second coil (3) wound around the inner yoke (1) so that a gap is present between the first coil (2) and the second coil (3), the first coil (2) and the second coil (3) passing currents in mutually opposite directions; a first magnet array (11) provided on the inner peripheral part of the outer yoke (10) so as to face the first coil (2); and a second magnet array (12) provided on the inner peripheral part of the outer yoke (10) so as to face the second coil (3), the magnetic poles of the second magnet array (12) being oriented in the opposite direction to those of the first magnet array (11).

Inventors:
KAWASE, Shigeru (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 19, 〒1006419, JP)
Application Number:
JP2015/078783
Publication Date:
May 06, 2016
Filing Date:
October 09, 2015
Export Citation:
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Assignee:
AZBIL CORPORATION (7-3 Marunouchi 2-chome, Chiyoda-ku Tokyo, 10, 〒1008310, JP)
International Classes:
H02K33/18; H02K41/03
Foreign References:
JP2004153964A2004-05-27
JP2000116100A2000-04-21
JPH05122918A1993-05-18
JP2002064967A2002-02-28
Attorney, Agent or Firm:
TAZAWA, Hideaki et al. (Akasaka Sanno Center Bldg. 5F, 12-4 Nagata-cho 2-chome, Chiyoda-k, Tokyo 14, 〒1000014, JP)
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