Patent · US Active

Electrical bushing

US8809686B2 · kind B2 · utility

1Cited by

14References

23Claims

0Family size

Assignee

ABB RESEARCH LTD. · CH

Inventors

Jan-Ake Borjesson · Ludvika, SE
Göran Eriksson · Hörby, SE
Sari Laihonen · Västerås, SE
Manoj Kumar Pradhan · Edison, US
Peter Sjöberg · Ludvika, SE
Mikael Unge · Västerås, SE

Key dates

Filing date	Oct 5, 2012
Grant date	Aug 19, 2014
Priority date	—
Expiry date	Oct 5, 2032

Classification

Technology area (CPC H)Electricity
CPC primaryH01F27/04
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An electrical bushing for providing electrical insulation of a conductor extending through the bushing is disclosed. The bushing includes: one conductive foil concentrically arranged around the conductor location; and one FGM part, made from a field grading material and partly arranged in the extension of part of a foil edge of a conductive foil. The FGM part and the conductive foil, in the extension of which the FGM part is arranged, are in electrical contact.

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