FIELD: engines and pumps.
SUBSTANCE: invention relates to exhaust converter for internal combustion engines. The exhaust converter for internal combustion engines contains a carbamide adder and catalyst for selective recovery of nitrogen oxides (NOx-catalyst) are installed downstream the particulate filter for trapping of particles (filter) in the exhaust channel of the internal combustion engine, meanwhile the SP sensor is placed downstream the filter. According to the present invention in the exhaust channel (2) of the internal combustion engine (1) the first NOx-catalyst (4) and the second NOx-catalyst (5) are placed down stream the filter (3) one by one along the direction of exhaust flow. The carbamide adder (6) is placed between the filter (3) and the first NOx-catalyst (4). The SP (7) sensor is placed between the first NOx-catalyst (4) and the second NOx-catalyst (5).
EFFECT: prevention of worsening of accuracy of measurement of the SP sensor and worsening of accuracy of determination of SP quantity.
2 cl, 3 dwg
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