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US 9,805,852 B2Granted
Transformer core
AssigneeLsis Co., Ltd.
InventorSeungwook Lee
Life of this patent
Estimating the term…
Abstract
A transformer core includes: a plurality of core steel laminations; at least one guide slot on a surface of steel sheet forming each of the plurality of core steel laminations; and at least one shape retainer attached to the at least one guide slot joining a plurality of the steel sheets together.
Claims7
A laminated transformer core comprising:
- a plurality of core steel laminations each formed of a plurality of steel sheets stacked in a thickness direction of the transformer core;
- at least one guide slot on a surface of each of the plurality of steel sheets;
- and
- at least one shape retainer attached to each of the at least one guide slot and joining the plurality of the steel sheets together,
- wherein a cross section of each of the plurality of core steel laminations comprises 4 identical trapezoids joined together to form a square,
- wherein each of the at least one shape retainer is formed at a center of an outer peripheral side of the plurality of steel sheets, and
- wherein both ends of each of the plurality of steel sheets are formed as a step to be joined with an adjacent steel sheet in an alternately overlapping manner.
4 more elements
Dependencies are inferred from the claim text.