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Title:
THERMOMAGNETIC DRIVING METHOD AND ACTUATOR
Document Type and Number:
Japanese Patent JP3928885
Kind Code:
B2
Abstract:

PURPOSE: To provide a thermomagnetic driving method and an actuator applicable in a wide range as well as enabling compact constitution.
CONSTITUTION: The movable member of an impeller type rotor 32 formed of thermosensitive magnetic material is rotatably interposed in the gap 31 of a closed magnetic circuit. The required rotor salient pole of the rotor 32 is heated to make the magnetization of the required rotor salient pole disappear temporarily, and the magnetic flux Φ distribution in the gap 31 is changed to rotate the rotor 32.


Inventors:
Etsu Hashimoto
Hidenao Tanaka
Koji Nishi
Akinori Watanabe
Application Number:
JP14894193A
Publication Date:
June 13, 2007
Filing Date:
June 21, 1993
Export Citation:
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Assignee:
Nippon Telegraph and Telephone Corporation
International Classes:
F03G7/00; H01H61/00; H01L37/04; H02N10/00; (IPC1-7): F03G7/00; //H01L37/04
Domestic Patent References:
JP4910213Y1
JP637651B2
Attorney, Agent or Firm:
Yuichi Negishi
Yasushi Motoyama