Patent · US Active

Transformer winding

US8692643B2 · kind B2 · utility

3Cited by

1References

17Claims

0Family size

Assignee

ABB TECHNOLOGY AG · CH

Inventors

Benjamin Weber · Winterberg, DE
Bhavesh Patel · Brilon, DE
Burak Esenlik · Paderborn, DE
Frank Cornelius · Orlando, US
Marcos Bockholt · Paderborn, DE
Jens Tepper · Wolfenbüttel, DE
Karl-Heinz Zillmann · Marsberg, DE

Key dates

Filing date	Jul 3, 2013
Grant date	Apr 8, 2014
Priority date	—
Expiry date	Jul 3, 2033

Classification

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

Abstract

An exemplary transformer winding including at least two hollow-cylindrical, axially adjacent winding modules, which are arranged about a common winding axis and have an electrical conductor wound in layers, and a common electrical insulting layer, through which the winding modules are enveloped. The insulating layer has at least one annular, radial depression or annular, radial elevation, which is salient transversely to the winding axis on the radial outer face of said insulating layer.

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