Patent · US Expired

Gas inlet for reducing a directional and cooled gas jet

US6772649B2 · kind B2 · utility

29Cited by

8References

6Claims

0Family size

Assignee

GSF-Forshungszentrum für Umwelt und Gesundheit, GmbH · DE

Inventors

Ralf Zimmermann · Bensberg, DE
Egmont Rohwer
Ralph Dorfner · Oberding, DE
Ulrich Boesl · Landshut, DE
Antonius Kettrup · Bad Staffelstein, DE

Key dates

Filing date	Sep 25, 2001
Grant date	Aug 10, 2004
Priority date	—
Expiry date	Sep 25, 2021

Classification

Technology area (CPC G)Physics
CPC primaryG01N2021/6482
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

In an arrangement for producing a directional and cooled gas jet in an ion source with a gas inlet or a UV/fluorescence detection cell including a gas inlet, wherein a capillary extends with one end into the interior of the ion source which is evacuated, the one end is provided with a nozzle for discharging a gas sample into the ion source while being subjected to adiabatic cooling and the width of the nozzle opening is at most 40% of the inner diameter of the capillary and the capillary is heatable for preventing condensation of gas sample components in the nozzle.

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