Patent · US Expired

Apparatus for extracting and analysing dust-laden gas samples

US4485684A · kind A · utility

22Cited by

14References

9Claims

0Family size

Assignee

Krupp Polysius AG · DE

Inventors

Rudolf Weber · Bad Aibling, DE
Horst Riedel · Vorhelm, DE

Key dates

Filing date	Oct 18, 1982
Grant date	Dec 4, 1984
Priority date	—
Expiry date	Oct 18, 2002

Classification

Technology area (CPC G)Physics
CPC primaryG01N2001/2297
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

Apparatus for extracting and analyzing dust-laden gas samples and in which a gas extraction connection is constructed in the form of a stilling chamber leading to an analyzer via a three-way valve to which is connected a cleansing air connection. A time control device periodically interrupts the flow of gas to the analyzer and directs cleansing air of the extraction connection.

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