Patent · US Active

Encapsulated switchgear

US8680421B2 · kind B2 · utility

7Cited by

30References

59Claims

0Family size

Assignee

ABB TECHNOLOGY AG · CH

Inventors

Maik Hyrenbach · Duisburg, DE
Ole Granhaug · Skien, NO
Max Claessens · Gebenstorf, CH
Per Skarby · Würenlos, CH

Key dates

Filing date	Dec 12, 2011
Grant date	Mar 25, 2014
Priority date	—
Expiry date	Jan 19, 2032

Classification

Technology area (CPC H)Electricity
CPC primaryH01H33/56
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An encapsulated switchgear that includes a housing defining, an insulating space, and an electrical active part arranged in the insulating space, the insulating space with an insulation medium. The switchgear is characterized in that the insulation medium with a dielectric compound having a boiling point of above −25° C.

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