Title:
VARIABLE INDUCTOR
Document Type and Number:
WIPO Patent Application WO/2010/067649
Kind Code:
A1
Abstract:
A variable inductor (10) is provided with: a first coil (1); a second coil (2) which generates a magnetic flux in the direction which cancels a magnetic flux generated by the first coil (1); a movable core (5) which is positioned between the first coil (1) and the second coil (2) and performs an opening/closing operation; and magnetic cores (3a, 3b) which have a closed magnetic path structure having the first coil (1), the second coil (2) and the movable core (5) therein. The magnetic core (3a) is provided with a magnetic core center section (4a) where the first coil (1) is wound thereon, and the second magnetic core (3b) is provided with a magnetic core center section (4b) having the second coil (2) wound thereon.
Inventors:
KAWARAI MITSUGU (JP)
Application Number:
PCT/JP2009/065563
Publication Date:
June 17, 2010
Filing Date:
September 07, 2009
Export Citation:
Assignee:
SUMIDA CORP (JP)
KAWARAI MITSUGU (JP)
KAWARAI MITSUGU (JP)
International Classes:
H01F29/12; H01F21/10
Foreign References:
| JPS6367710A | 1988-03-26 | |||
| JPS48105016U | 1973-12-07 | |||
| JP2005064263A | 2005-03-10 |
Attorney, Agent or Firm:
Shin-yu International Patent Firm (JP)
Patent business corporation Nobutomo international patent firm (JP)
Patent business corporation Nobutomo international patent firm (JP)
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