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Iron Core Of Transformer, And Manufacturing Method Therefor

Abstract: The present invention relates to an iron core of a transformer having low no-load loss and no-load noise and a manufacturing method therefor, and the iron core of a transformer comprises: a pair of yokes, which are formed by stacking a plurality of electrical steel sheets and are parallel to each other; and a leg, which is formed by stacking a plurality of electrical steel sheets and connects the pair of yokes, wherein, in a coupling part in which the yokes and the leg are connected, the ends of the electrical steel sheets constituting the yokes and the ends of the electrical steel sheets constituting the leg have inclined surfaces corresponding to each other, the inclined surfaces are shape-fitted, one electrical steel sheet constituting the yokes is stacked, through step lapping, on another electrical steel sheet constituting the yokes, and one electrical steel sheet constituting the leg can be stacked, through step lapping, on another electrical steel sheet constituting the leg.

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
24 November 2023
Publication Number
39/2024
Publication Type
INA
Invention Field
ELECTRICAL
Status
Email
Parent Application

Applicants

POSCO CO., LTD
6261, Donghaean-ro, Nam-gu, Pohang-si, Gyeongsangbuk-do 37859

Inventors

1. SHIM, Ho-Kyung
POSCO 100, Songdogwahak-ro Yeonsu-gu, Incheon 21985

Specification

Documents

Application Documents

# Name Date
1 202317080011-STATEMENT OF UNDERTAKING (FORM 3) [24-11-2023(online)].pdf 2023-11-24
2 202317080011-REQUEST FOR EXAMINATION (FORM-18) [24-11-2023(online)].pdf 2023-11-24
3 202317080011-PRIORITY DOCUMENTS [24-11-2023(online)].pdf 2023-11-24
4 202317080011-POWER OF AUTHORITY [24-11-2023(online)].pdf 2023-11-24
5 202317080011-FORM 18 [24-11-2023(online)].pdf 2023-11-24
6 202317080011-FORM 1 [24-11-2023(online)].pdf 2023-11-24
7 202317080011-FIGURE OF ABSTRACT [24-11-2023(online)].pdf 2023-11-24
8 202317080011-DRAWINGS [24-11-2023(online)].pdf 2023-11-24
9 202317080011-DECLARATION OF INVENTORSHIP (FORM 5) [24-11-2023(online)].pdf 2023-11-24
10 202317080011-COMPLETE SPECIFICATION [24-11-2023(online)].pdf 2023-11-24
11 202317080011-Proof of Right [20-02-2024(online)].pdf 2024-02-20
12 202317080011-FORM-26 [20-02-2024(online)].pdf 2024-02-20
13 202317080011-Others-210224.pdf 2024-03-22
14 202317080011-GPA-210224.pdf 2024-03-22
15 202317080011-Correspondence-210224.pdf 2024-03-22
16 202317080011-FORM 3 [24-04-2024(online)].pdf 2024-04-24