Patent · US Active

Measuring device for determining the fill quantity of an SF6 gas in an isolated chamber or a switchgear, and corresponding method

US8973423B2 · kind B2 · utility

1Cited by

5References

7Claims

0Family size

Assignee

Wika Alexander Wiegand GmbH & Co. KG · DE

Inventors

Thomas Heckler · Miltenberg, DE
Nicolas Bauer · Kenmore, US
Andreas Mueller · Zeitlarn, DE

Key dates

Filing date	Jan 30, 2009
Grant date	Mar 10, 2015
Priority date	—
Expiry date	Mar 10, 2030

Classification

Technology area (CPC G)Physics
CPC primaryG01F22/02
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A measuring device according to the invention for determining the fill quantity of SF6 gas in an insulating chamber comprises a pressure transducer, a temperature measuring element and a processing device for determining the fill quantity of the SF6 gas from the pressure measurement value and the pertinent temperature measurement value, wherein the measuring device seals a corresponding opening of the insulating chamber and the SF6 gas to be measured acts directly upon both the pressure transducer and the temperature measuring element.

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