DEVICE FOR NEUTRALIZATION OF VEHICLE EXHAUST GASES Russian patent published in 2019 - IPC F01N3/00 

FIELD: internal combustion engines.

SUBSTANCE: invention relates to an internal combustion engine exhaust gas neutralization device (V), preferably by mixing the exhaust gas with a graduated at least partially liquid additive, evaporation of liquid fraction of additive and preparation of mixture from exhaust gas and additive for located downstream catalyst. Device (V) comprises preheat chamber (1) having inlet for waste gas, main chamber (2), mixing device (4), in which exhaust gas can be mixed with additive, and intermediate device (7) through which partial flow (X2) of exhaust gas from prechamber (1) can be supplied to mixing device (4), preferably on end side. Intermediate device (7) is equipped with vortex elements (8) to change vortex direction of vortex flow of exhaust gas created in prechamber (1) at flow of exhaust gas into intermediate device (7). Alternatively or additionally prechamber (1) is made so as to bring partial flow (X2) of waste gas into vortex direction, and main chamber (2) is made so as to bring partial flow (X1) of waste gas from prechamber (1) into vortex direction, wherein waste gas vortex direction in prechamber (1) is formed opposite the vortex direction of the exhaust gas in main chamber (2).

EFFECT: device for neutralization of car exhaust gases is disclosed.

25 cl, 11 dwg