US 11,913,369 B2
Mixer and exhaust system
Fabien Sudries, Gyeonggi-do (KR); Vikas Jukanti, Bangalore (IN); Vijaykumar Madegowda, Bangalore (IN); Haneesh Penubolu, Bangalore (IN); and Rajeev Naik, Bangalore (IN)
Assigned to Faurecia Emission Control Technologies (Shanghai) Co., Ltd, Shanghai (CN)
Filed by Faurecia Emission Control Technologies (Shanghai) Co., Ltd, Shanghai (CN)
Filed on Sep. 23, 2022, as Appl. No. 17/952,058.
Claims priority of application No. 202122325394.6 (CN), filed on Sep. 24, 2021.
Prior Publication US 2023/0096559 A1, Mar. 30, 2023
Int. Cl. F01N 3/28 (2006.01); F01N 3/20 (2006.01)
CPC F01N 3/2892 (2013.01) [F01N 3/2066 (2013.01); F01N 2240/20 (2013.01); F01N 2340/00 (2013.01); F01N 2610/1453 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A mixer, comprising:
a pipe, comprising a side wall, wherein the side wall comprises an opening;
a doser mounting base, provided on the opening of the side wall of the pipe, connecting the pipe through the opening, defining a first space, and comprising an injection inlet; and
an attachment, comprising a chamber portion and a deflector portion, wherein the chamber portion comprises a chamber portion inlet corresponding to the injection inlet and a chamber portion outlet corresponding to the opening of the side wall of the pipe; and the deflector portion extends from a side wall of the chamber portion and makes the pipe, the side wall of the chamber portion and the chamber portion inlet fluidly connected, and the attachment constitutes a swirling structure that forms a swirling movement of exhaust at the chamber portion inlet;
wherein the chamber portion comprises a cylindrical member located on the first space, two ends of the cylindrical member are respectively the chamber portion inlet and the chamber portion outlet, a side wall of the cylindrical member is a closed structure, the deflector portion comprises a deflecting member extending from the side wall of the cylindrical member, and the deflecting member comprises a first catching plate, which extends from the side wall of the cylindrical member into the pipe through the opening of the side wall of the pipe, and a second catching plate, which intersects the first catching plate.