Patent ID: 8205481
Filing Date: 2012-06-26
Classification: G01N,Y02A,Y10T

Abstract:
1. A method of measuring at least two exhaust gas components in exhaust gases of internal combustion engines, the method comprising the steps of: taking a first exhaust gas sample from a first removal point at the exhaust gas pipe; delivering the first exhaust gas sample by means of a first removal line to at least one first measuring instrument for measuring a first gas component from the first exhaust gas sample; taking a second exhaust gas sample from the first removal point or from a second removal point at the exhaust gas pipe; setting the temperature of the second exhaust gas sample for measuring the oxygen-containing nitrogen compound to a temperature which is different than a temperature of the first exhaust gas sample; and delivering the second gas exhaust sample by means of a second removal line to at least one second measuring instrument for measuring an oxygen-containing nitrogen exhaust-gas component, wherein the second removal line is separate from the first removal line.