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Patent Searching and Data


Title:
TRANSFORMER
Document Type and Number:
WIPO Patent Application WO/2016/147725
Kind Code:
A1
Abstract:
This transformer comprises inside a tank (40) filled with an insulating medium, an iron core having a main limb, side limbs and yokes, and a wound wire (5) which is wound peripherally to the main limb of the iron core. This transformer characterized by: the main limb of the iron core comprising a primary winding iron core (1) that is square in cross section and obtained by winding an amorphous magnetic thin ribbon, and a secondary winding iron core (2) at each of the four sides thereof, comprising silicon steel sheets which have been laminated to have a curvature; and the portion of the main limb where the wound wire (5) is disposed being approximately circular in cross section.

Inventors:
OONO YASUNORI (JP)
MIYAMOTO NAOYA (JP)
YAMAGISHI AKIRA (JP)
Application Number:
PCT/JP2016/053124
Publication Date:
September 22, 2016
Filing Date:
February 03, 2016
Export Citation:
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Assignee:
HITACHI LTD (JP)
International Classes:
H01F27/24; H01F30/10
Foreign References:
JP3097268U2004-01-22
JPS57143808A1982-09-06
JP2012069943A2012-04-05
JPS622224U1987-01-08
Attorney, Agent or Firm:
INOUE Manabu et al. (JP)
Manabu Inoue (JP)
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