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
IWASAKI TAKUYA
TANAKA MASAYA
Application Number:
JP2018212287A
Publication Date:
May 28, 2020
Filing Date:
November 12, 2018
Export Citation:
Assignee:
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD
International Classes:
H01F27/26; H01F30/10; H01F30/12; H01F37/00; H01F41/00; H01F41/02
Domestic Patent References:
JPH04299812A | 1992-10-23 | |||
JP2015521384A | 2015-07-27 | |||
JPH02116719U | 1990-09-19 | |||
JP2009054714A | 2009-03-12 | |||
JP2015046456A | 2015-03-12 | |||
JP2013098351A | 2013-05-20 | |||
JPS5972709A | 1984-04-24 | |||
JPH0496824U | 1992-08-21 |
Foreign References:
KR20060030462A | 2006-04-10 | |||
WO2014132450A1 | 2014-09-04 | |||
US4135172A | 1979-01-16 |
Attorney, Agent or Firm:
Aoritsu patent business corporation