FIELD: internal combustion engines.
SUBSTANCE: invention can be used in the internal combustion engines. Exhaust gas mixer system comprises carbamide nozzle (260) made with possibility of carbamide injection into perforated tube 220. Perforated tube (220) has U-shaped elbow (230) and is located inside mixing chamber (202). Mixing chamber (202) is configured to receive exhaust gases through inlet (217) of upstream outlet channel (216). Inlet central axis (299) crosses tube (202) in elbow area (230) offset from elbow centre (230). Upstream outlet channel (216) is connected to upstream side (212) of mixing chamber (202). Tube (220) has outlet end (219) connected in fluid communication with downstream outlet channel (218) and selective catalytic neutralization catalyst installed downstream of downstream outlet channel (218). Downstream outlet channel (218) is disconnected from outlet channel (216) upstream. Disclosed are embodiments of exhaust gas mixers.
EFFECT: technical result consists in improvement of mixing carbamide with exhaust gases.
17 cl, 4 dwg
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