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Title:
IRON CORE FOR STATIONARY INDUCTION DEVICE, STATIONARY INDUCTION DEVICE, AND MANUFACTURING METHOD THEREOF
Document Type and Number:
Japanese Patent JP2020080351
Kind Code:
A
Abstract:
To provide a stationary induction device which enables an iron core to be transported in an upright state and is easy to open and assemble the iron core.SOLUTION: A stationary induction device includes a winding iron core having a wrap portion, and a coil wound around the winding iron core, and includes an inner frame provided in contact with the inside of the winding iron core, the inner frame has a substantially U-shape having an open end in a direction different from the wrap portion, and has bent portions facing each other at both ends of the open end, and the bent portion has a shape corresponding to the corners of the inner side of the winding iron core.SELECTED DRAWING: Figure 3

Inventors:
TADA SHUJI
IWASAKI TAKUYA
TANAKA MASAYA
Application Number:
JP2018212287A
Publication Date:
May 28, 2020
Filing Date:
November 12, 2018
Export Citation:
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Assignee:
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD
International Classes:
H01F27/26; H01F30/10; H01F30/12; H01F37/00; H01F41/00; H01F41/02
Domestic Patent References:
JPH04299812A1992-10-23
JP2015521384A2015-07-27
JPH02116719U1990-09-19
JP2009054714A2009-03-12
JP2015046456A2015-03-12
JP2013098351A2013-05-20
JPS5972709A1984-04-24
JPH0496824U1992-08-21
Foreign References:
KR20060030462A2006-04-10
WO2014132450A12014-09-04
US4135172A1979-01-16
Attorney, Agent or Firm:
Aoritsu patent business corporation