Patent · US Expired

Exhaust gas sampling device

US6615678B2 · kind B2 · utility

3Cited by
4References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 3, 2001
Grant dateSep 9, 2003
Priority date
Expiry dateApr 5, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N2015/0046
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An exhaust gas sampling device is provided. An exhaust gas sampling tube for sampling part of the exhaust gas is connected to an exhaust tube in which the exhaust from a source of the exhaust gas flows, and a downstream side of the exhaust gas sampling tube is connected to a dilution tunnel. The device further includes a temperature control mechanism. A temperature of the exhaust gas sampling tube is controlled with the temperature control mechanism based on a temperature of the exhaust gas flowing in the exhaust tube.

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