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Patent Searching and Data


Title:
TRANSFORMER
Document Type and Number:
WIPO Patent Application WO/2015/029720
Kind Code:
A1
Abstract:
Provided is a transformer, which is a distributed constant transformer provided between an AC power source having a frequency (f) and a load having a resistance (R), comprising, with a wavelength of λ for the frequency (f): a first transformer connected to the AC power source and having a length of λ/4; and a second transformer provided between the end of the first transformer and the load and having a length of λ/4. Such a transformer is small and lightweight, and does not need a coil, a core, or the like as in a conventional transformer.

Inventors:
NAKAHATA, Hideaki (1-3, Shimaya 1-chome, Konohana-ku, Osaka-sh, Osaka 24, 〒5540024, JP)
SHIGA, Nobuo (1-3, Shimaya 1-chome, Konohana-ku, Osaka-sh, Osaka 24, 〒5540024, JP)
HIROTSU, Kenichi (1-3, Shimaya 1-chome, Konohana-ku, Osaka-sh, Osaka 24, 〒5540024, JP)
OHIRA, Takashi (1-1 Hibarigaoka, Tempaku-cho, Toyohashi-sh, Aichi 80, 〒4418580, JP)
YAMADA, Kyohei (1-1 Hibarigaoka, Tempaku-cho, Toyohashi-sh, Aichi 80, 〒4418580, JP)
Application Number:
JP2014/070631
Publication Date:
March 05, 2015
Filing Date:
August 05, 2014
Export Citation:
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Assignee:
SUMITOMO ELECTRIC INDUSTRIES, LTD. (5-33, Kitahama 4-chome Chuo-ku, Osaka-sh, Osaka 41, 〒5410041, JP)
NATIONAL UNIVERSITY CORPORATION TOYOHASHI UNIVERSITY OF TECHNOLOGY (1-1 Hibarigaoka, Tempaku-cho Toyohashi-sh, Aichi 80, 〒4418580, JP)
International Classes:
H02M5/293; H01P5/02
Foreign References:
JP2009268004A2009-11-12
JP2002095241A2002-03-29
JPH04236169A1992-08-25
JP2002272127A2002-09-20
JP2000124711A2000-04-28
Other References:
See also references of EP 3041124A4
"Pole Transformer", 19 July 2013, HOMEPAGE OF CHUBU ELECTRIC POWER CO., INC.
FALCONES, S. ET AL., POWER AND ENERGY SOCIETY GENERAL MEETING, 2010 IEEE, July 2010 (2010-07-01), pages 1 - 8
Attorney, Agent or Firm:
SUNCREST PATENT AND TRADEMARK ATTORNEYS (1-11, Sakaemachidori 4-chome Chuo-ku, Kobe-sh, Hyogo 23, 〒6500023, JP)
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