Title:
STATIONARY INDUCTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/092612
Kind Code:
A1
Abstract:
A stationary induction device is provided with: an iron core (120) that includes a plurality of first electromagnetic steel plates (10) laminated in one direction and wherein is formed a shaft part (121) having main surfaces (121m) positioned on both ends of the plurality of first electromagnetic steel plates (10) in the direction of lamination; a winding (110) wound around the shaft part (121); first magnetic shields (130) disposed along the main surfaces (121m) between at least the shaft part (121) and the winding (110), and constituted by a plurality of second electromagnetic steel plates (20), which extends in the axial direction of the shaft part (121), being laminated in a direction orthogonal to the direction of lamination of the first electromagnetic steel plates (10); and second magnetic shields (140) disposed along the main surfaces (121m) between at least the shaft part (121) and the winding (110) and on both sides of the first electromagnetic shield (130) so as to sandwich the first electromagnetic shield (130) in the direction of lamination of the second electromagnetic steel plates (20), and constituted by a plurality of third electromagnetic steel plates (30), which extends in the axial direction of the shaft parts (121), being laminated in a direction orthogonal to the direction of lamination of the second electromagnetic steel plates (20).
Inventors:
KITAGAWA YOSHINOBU (JP)
YOKOMAKU TAKAMARU (JP)
NISHIURA RYUICHI (JP)
YOKOMAKU TAKAMARU (JP)
NISHIURA RYUICHI (JP)
Application Number:
PCT/JP2014/082410
Publication Date:
June 16, 2016
Filing Date:
December 08, 2014
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H01F27/36; H01F30/00; H01F37/00
Domestic Patent References:
| WO2011111257A1 | 2011-09-15 |
Foreign References:
| JP2011023630A | 2011-02-03 | |||
| JPS60125719U | 1985-08-24 | |||
| JP2012230957A | 2012-11-22 |
Attorney, Agent or Firm:
Fukami Patent Office, p. c. (JP)
Patent business corporation Fukami patent firm (JP)
Patent business corporation Fukami patent firm (JP)
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