The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 26, 2022
Filed:
Jun. 22, 2020
Applicant:
Faurecia Systemes D'echappement, Nanterre, FR;
Inventors:
Clémentine Tutel, Audincourt, FR;
Julien Moulieres, Montbeliard, FR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/00 (2006.01); F01N 3/20 (2006.01); F01N 3/28 (2006.01); B01F 23/213 (2022.01); B01F 25/314 (2022.01); F01N 3/08 (2006.01);
U.S. Cl.
CPC ...
F01N 3/208 (2013.01); B01F 23/2132 (2022.01); B01F 25/31423 (2022.01); F01N 3/2892 (2013.01); B01F 2215/0431 (2013.01); B01F 2215/0472 (2013.01); F01N 3/0842 (2013.01); F01N 2610/02 (2013.01); F01N 2610/1453 (2013.01); F01N 2900/1404 (2013.01);
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.