Patent · US Active

Switch device

US11348748B2 · kind B2 · utility

0Cited by

7References

18Claims

0Family size

Assignee

ABB Schweiz AG · CH

Inventors

Elham Attar · Porsgrunn, NO
Magne Saxegaard · Porsgrunn, NO
Richard Lauritzen · Skien, NO
Ståle Talmo · Skien, NO
Stanley Lohne · Porsgrunn, NO
Martin Kristoffersen · Porsgrunn, NO
Wilhelm Rondeel · Skien, NO

Key dates

Filing date	Dec 10, 2020
Grant date	May 31, 2022
Priority date	—
Expiry date	Dec 10, 2040

Classification

Technology area (CPC H)Electricity
CPC primaryH01H2033/566
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A gas-insulated puffer-type switch device for operating inside a sealed gas tight enclosure of an electric power distribution switchgear, the sealed gas tight enclosure being filled with a dielectric gas having a global warming potential lower than that of SF6. The switch device has at least one of improved compactness, minimised electrical stress, maximised heat dissipation and reduced environmental impact.

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