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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 12770783 B1

PDFFull Text
Date of Patent:
Oct. 20, 2026

Filed:

Aug. 21, 2020

Winding configuration as part of an integrated structure for a medium frequency transformer

Applicant:

Hitachi Energy Ltd, Zürich, CH;

Inventors:

Uwe Drofenik, Zürich, CH;

Thomas Gradinger, Aarau Rohr, CH;

Assignee:

Hitachi Energy Ltd, Zürich, CH;

Attorney:

Sage Patent Group

Primary Examiner:

Livius R Cazan

Int. Cl.
CPC ...
H01F 41/063 (2016.01); H01F 27/28 (2006.01); H01F 27/29 (2006.01); H01F 27/32 (2006.01); H01F 41/068 (2016.01); H01F 41/12 (2006.01); H02M 3/00 (2006.01); H02M 3/335 (2006.01);
U.S. Cl.
CPC ...
H01F 41/063 (2016.01); H01F 27/2847 (2013.01); H01F 27/29 (2013.01); H01F 27/323 (2013.01); H01F 27/324 (2013.01); H01F 41/068 (2016.01); H01F 41/125 (2013.01); H02M 3/01 (2021.05); H02M 3/33571 (2021.05); H01F 2027/2857 (2013.01);
Abstract

A method for producing a coil for a transformer, in particular for a medium frequency transformer for a resonant DC/DC converter or a dual active bridge DC/DC converter, is disclosed which: providing a plurality of M>1 conductive foil strips, each having a first ending and a second ending; stacking the plurality of conductive foil strips to obtain a foil strip stack having a first ending and a second ending, wherein an electrically insulating layer is provided between any two adjacent foil strips; electrically interconnecting the first endings of all conductive foil strips to a first terminal; for each of the conductive foil strips providing a connector at the second ending of the foil strip; and coiling up the foil strip stack from the first end.

Find Patent Forward Citations

Drofenik, Uwe. (2026). Winding configuration as part of an integrated structure for a medium frequency transformer (U.S. Patent No. 12770783). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12770783

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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