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.
| # | 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 |