Patent ID: 6192738
Filing Date: 2001-02-27
Classification: G01N

Abstract:
An arrangement for analyzing exhaust gas from an internal combustion engine, said arrangement comprisinga heated catalytic reactor (2, 22) connected to the internal combustion engine (21) to receive at least a portion of said exhaust gas from the internal combustion engine;a condenser (3, 23) connected to the heated catalytic reactor (2, 22) downstream of the catalytic reactor in the exhaust gas flow direction to receive said at least a portion of said exhaust gas from said catalytic reactor after said at least a portion of said exhaust gas passes through said catalytic reactor;an IR spectrometer (4) connected to the condenser (3, 23) downstream of the condenser in the exhaust gas flow direction to receive said at least a portion of said exhaust gas from said condenser after said at least a portion of said exhaust gas passes through said condenser; anda .lambda.-sensor (5) connected downstream of the condenser so that said at least a portion of said exhaust gas passes by said .lambda.-sensor after passing through said condenser.