Patent · US Active

Leak detector with a leak detector testing device

US8117886B2 · kind B2 · utility

4Cited by

13References

13Claims

0Family size

Assignee

INFICON AG · LI

Inventors

Norbert Rolff · Horrem, DE
Randolf Rolff · Horrem, DE
Sandra Seitz · Goldkronach, DE
Werner Grosse Bley · Bonn, DE
Thomas Boehm · Heinsberg, DE
Daniel Wetzig · Cologne, DE

Key dates

Filing date	Jun 1, 2007
Grant date	Feb 21, 2012
Priority date	—
Expiry date	Nov 4, 2028

Classification

Technology area (CPC G)Physics
CPC primaryG01M3/207
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A leak detector comprising a base appliance provided with a gas detector, a vacuum pump, and a control device. A sniffer probe is connected to the base appliance. A test leak device containing the supply of test gas is arranged in a separate sub-housing. The sub-housing also contains a temperature sensor, a processor, and a data memory. The processor corrects the measured temperature according to a sample, and modulates the light of a light barrier. The processor is connected to the control device in the base appliance by a data cable.

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