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.
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Inventors:
KAWARAI Mitsugu (3-12-2, Nihonbashi, Chuo-k, Tokyo 59, 〒1038259, JP)
Application Number:
JP2009/065563
Publication Date:
June 17, 2010
Filing Date:
September 07, 2009
Export Citation:
Assignee:
SUMIDA CORPORATION (Yaesu Center Building, 1-6-6 Yaesu, Chuo-k, Tokyo 89, 〒1038589, JP)
スミダコーポレーション株式会社 (〒89 東京都中央区八重洲一丁目６番６号 八重洲センタービル Tokyo, 〒1038589, JP)
スミダコーポレーション株式会社 (〒89 東京都中央区八重洲一丁目６番６号 八重洲センタービル Tokyo, 〒1038589, JP)
International Classes:
H01F21/10; H01F29/12
Attorney, Agent or Firm:
Shin-yu International Patent Firm (Sasazuka South Bldg, 1-64-8 Sasazuka, Shibuya-k, Tokyo 73, 〒1510073, JP)
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