Patent · US Expired

Gas analyzing apparatus

US6263724A · kind A · utility

4Cited by
3References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 8, 1999
Grant dateJul 24, 2001
Priority date
Expiry dateJul 8, 2019

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N33/0006
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A gas analyzer comprising a pump unit and autocalibration means, characterized in that the gas analyzer is connected to a storage tank having a calibrated leak and filled with a mixture of n gases having different masses, and wherein the partial leakage flow of each of said n gases which through said calibrated leak is known.

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