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Title:
WOUND CORE
Document Type and Number:
WIPO Patent Application WO/2022/092120
Kind Code:
A1
Abstract:
This wound core comprises a wound core body in which multiple polygonal ring-shaped grain-oriented electromagnetic steel plates are laminated in a side view, wherein flat sections and bent sections of the grain-oriented electromagnetic steel plates alternately continue in a longitudinal direction, and the grain-oriented electromagnetic steel plates have a crystal grain size Dpx of 2W or smaller at least in one bent section.

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Inventors:
KAWAMURA YUSUKE (JP)
MIZUMURA TAKAHITO (JP)
Application Number:
PCT/JP2021/039560
Publication Date:
May 05, 2022
Filing Date:
October 26, 2021
Export Citation:
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Assignee:
NIPPON STEEL CORP (JP)
International Classes:
C21D8/12; C22C38/00; C22C38/02; C22C38/60; H01F1/147; H01F27/245
Foreign References:
JP2018148036A2018-09-20
JPH07268474A1995-10-17
JP2000114064A2000-04-21
JP2020179266A2020-11-05
JP2001192785A2001-07-17
JP2005240079A2005-09-08
JP2012052229A2012-03-15
JPH0689805A1994-03-29
JPH08134660A1996-05-28
JPH10183313A1998-07-14
JP2005286169A2005-10-13
JP6224468B22017-11-01
JP2018148036A2018-09-20
AU2012337260A12014-05-22
Other References:
See also references of EP 4234731A4
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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