Patent · US Active

Encapsulated switchgear

US9196431B2 · kind B2 · utility

1Cited by

37References

16Claims

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	Feb 7, 2014
Grant date	Nov 24, 2015
Priority date	—
Expiry date	Feb 8, 2034

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 −5° C.

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