Patent · US Active

Sniffer leak detector comprising a detector with a quartz window

US7980117B2 · kind B2 · utility

6Cited by

5References

16Claims

0Family size

Assignee

INFICON AG · LI

Inventors

Daniel Wetzig · Cologne, DE
Werner Grosse Bley · Bonn, DE
Peter Lang · Gelnhausen, DE
Stefan Mebus · Cologne, DE

Key dates

Filing date	Apr 27, 2006
Grant date	Jul 19, 2011
Priority date	—
Expiry date	Nov 17, 2027

Classification

Technology area (CPC G)Physics
CPC primaryG01M3/202
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A sniffer leak detector comprising a detector with a quartz window, the window being selectively permeable to a tracer gas. The quartz window is located in a suction chamber that is connected to a vacuum pump. To reduce the response time, a gas guidance plate is situated in the suction chamber, the guidance plate and quartz window together delimiting a narrow gas guidance chamber.

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