公开(公告)号：US11313265B2

公开(公告)日：2022-04-26

申请号：US16907585

申请日：2020-06-22

Applicant: FAURECIA SYSTEMES D'ECHAPPEMENT

Inventor： Clémentine Tutel ,  Julien Moulieres

IPC: F01N3/00 ,  F01N3/20 ,  F01N3/28 ,  B01F23/213 ,  B01F25/314 ,  F01N3/08

Abstract: An exhaust gas post-treatment device for an internal combustion engine mixes exhaust gas with a reducing agent. The exhaust gas post-treatment device comprises a mixing chamber through which the exhaust gas circulates and a reducing agent sprayer that sprays a reducing agent in the mixing chamber. The reducing agent sprayer comprises at least one first nozzle and at least one second nozzle, where said at least one first nozzle is designed to produce small droplets, and said at least one second nozzle is designed to produce large droplets.