Patent · US Expired

Method for the continuous measurement of the mass of aerosol particles in gaseous samples and a device for the implementation of the method

US4518861A · kind A · utility

9Cited by

2References

16Claims

0Family size

Assignee

Hans List · AT

Inventors

Peter W. Krempl · Leibnitz, AT
Wolfgang Schindler · Graz, AT
Leopold Faschingleitner · Mank, AT

Key dates

Filing date	Nov 5, 1982
Grant date	May 21, 1985
Priority date	—
Expiry date	Nov 5, 2002

Classification

Technology area (CPC G)Physics
CPC primaryG01N2201/127
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

For a continuous measurement of the mass of absorbing particles in a gaseous sample, the sample is traversed by electromagnetic radiation of a wavelength greater than the mean radius of the particles. The difference in absorption for at least two frequencies is determined and appointed to the particle mass sought after.

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