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.:
Date of Patent:
Oct. 22, 2024
Filed:
Sep. 24, 2019
Hitachi Energy Ltd, Zürich, CH;
Uwe Drofenik, Zürich, CH;
Thomas Gradinger, Aarau Rohr, CH;
HITACHI ENERGY LTD, Zürich, CH;
Abstract
A transformer is described. The transformer includes a transformer core having a core leg having a longitudinal axis, a low voltage winding arranged around the core leg, the low voltage winding extending along a first length in the direction of the longitudinal axis, a high voltage winding arranged around the low voltage winding, the high voltage winding extending along a second length in the direction of the longitudinal axis, wherein the second length is shorter than the first length, and a casting embedding the low voltage winding and the high voltage winding. The casting has a recess. The recess is provided at a radial location of the high voltage winding and the recess extends in the direction of the longitudinal axis.