FIELD: engines and pumps.
SUBSTANCE: proposed device comprises mixing pipe (2), fluid injector (4) to force fluid in the latter and inlet channel (6) arranged upstream of mixing pipe. Inlet channel comprises first and second circular-section sections (14) and (15), second one being arranged downstream the first one to surround the mixing pipe. First section surrounds the second section. Mixing branch pipe comprises flow reversing section (18) to communicate first section circular outlet (16) with second section circular inlet (17). It can reverse exhaust gas flow in inlet channel to make it flow via second section in direction opposite that of exhaust gas flow in first section.
EFFECT: efficient distribution of urea solution in exhaust gases to decrease risks of urea solution attack the one and the same wall point at mixing pipe.
10 cl, 2 dwg
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