Patent · US Active

Dry transformer

US12394562B2 · kind B2 · utility

0Cited by

9References

13Claims

0Family size

Assignee

Hitachi Energy Ltd · CH

Inventors

Yong Wang · Singapore, SG
Wolfgang Mönig · Brilon, DE
Frank Cornelius · Orlando, US
Jens Tepper · Wolfenbüttel, DE

Key dates

Filing date	Oct 22, 2019
Grant date	Aug 19, 2025
Priority date	—
Expiry date	Nov 15, 2042

Classification

Technology area (CPC H)Electricity
CPC primaryH01F2027/328
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A dry transformer to be mounted on or under or in a vessel or means of transportation, in particular a rail car or power car of a train or a ship, includes at least one core and at least one winding. The winding surrounds the core and the core and the winding are parts of a coil. The coil and/or the core and/or the winding are mechanically connected to an outer support structure by at least one strut. The transformer is able to master the required typical dynamic loads in at least one direction in transportation applications, such as railway applications.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.