Title:
IRON CORE JOINT STRUCTURE OF STATIONARY INDUCTION ELECTRIC DEVICE, AND METHOD OF JOINING IRON CORE
Document Type and Number:
WIPO Patent Application WO/2017/085797
Kind Code:
A1
Abstract:
The present invention relates to a joint portion of an iron core in a stationary induction appliance, formed by stacking magnetic thin strips together, and the objective of the invention is to reduce the generation of fragments of the magnetic thin strips. An iron core joint structure of a stationary induction electric device, characterized in that in a butt joint portion of the iron core of the stationary induction electric device, where said iron core is formed from stacked magnetic thin strips, a first resin which penetrates into the stacked magnetic strips is applied to butt joint surfaces that face one another, and a second resin is applied to the outside of the first resin.
Inventors:
NISHIMIZU AKIRA (JP)
KURITA NAOYUKI (JP)
KOBAYASHI CHIE (JP)
MOROOKA HISASHI (JP)
KURITA NAOYUKI (JP)
KOBAYASHI CHIE (JP)
MOROOKA HISASHI (JP)
Application Number:
PCT/JP2015/082335
Publication Date:
May 26, 2017
Filing Date:
November 18, 2015
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
H01F27/24
Foreign References:
| JPH08111322A | 1996-04-30 | |||
| JP2005072199A | 2005-03-17 | |||
| JP2013004887A | 2013-01-07 | |||
| JPS60200505A | 1985-10-11 | |||
| JPH1140440A | 1999-02-12 | |||
| JP2005057016A | 2005-03-03 |
Attorney, Agent or Firm:
TODA Yuji (JP)
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