ACTUATOR, MICROPUMP, AND ELECTRONIC APPARATUS

Title:

ACTUATOR, MICROPUMP, AND ELECTRONIC APPARATUS

Document Type and Number:

WIPO Patent Application WO/2012/114485

Kind Code:

A1

Abstract:

An actuator is provided with: a first member that comprises a means for generating magnetomotive force, and that is heated to at least a first temperature; a second member that is arranged in opposition to the first member; a temperature-sensitive magnetic material that is positioned between the first member and the second member, changes the position thereof between a first position, where the temperature-sensitive magnetic material comes in contact with the first member, and a second position, where the temperature-sensitive magnetic material comes in contact with the second member, and that has a Curie temperature that is lower than the first temperature and higher than the temperature of the second member; and a restoring means for returning the temperature-sensitive magnetic material from the first position to the second position.

Inventors:

TSUBOI OSAMU (JP)
MIZUNO YOSHIHIRO (JP)
KOUMA NORINAO (JP)

Application Number:

PCT/JP2011/054039

Publication Date:

August 30, 2012

Filing Date:

February 23, 2011

Export Citation:

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Assignee:

FUJITSU LTD (JP)
TSUBOI OSAMU (JP)
MIZUNO YOSHIHIRO (JP)
KOUMA NORINAO (JP)

International Classes:

H02N10/00; B81B3/00; H01F1/00; H01H37/58

Foreign References:

JP2005184924A	2005-07-07
JPH08264090A	1996-10-11
JP2003348866A	2003-12-05
JPH07270692A	1995-10-20
JPH06288355A	1994-10-11
JP2003109458A	2003-04-11
JPH0583989U	1993-11-12

Other References: