US 11,965,451 B2
Mixing tube
Eric Hein, Edenkoben (DE); Attila Kovacs, Edenkoben (DE); Michael Flockert, Edenkoben (DE); Yannick Leske, Edenkoben (DE); Rafal Wrobel, Edenkoben (DE); and Klaus Schröer, Edenkoben (DE)
Assigned to Tenneco GmbH, Edenkoben (DE)
Appl. No. 18/010,657
Filed by TENNECO GMBH, Edenkoben (DE)
PCT Filed Oct. 20, 2021, PCT No. PCT/EP2021/079063
§ 371(c)(1), (2) Date Dec. 15, 2022,
PCT Pub. No. WO2022/090020, PCT Pub. Date May 5, 2022.
Claims priority of application No. 10 2020 128 226.5 (DE), filed on Oct. 27, 2020.
Prior Publication US 2023/0235691 A1, Jul. 27, 2023
Int. Cl. F01N 3/28 (2006.01); F01N 1/08 (2006.01); F01N 1/14 (2006.01); F01N 3/00 (2006.01); F01N 3/20 (2006.01); F01N 3/30 (2006.01); F01N 3/36 (2006.01)
CPC F01N 3/2892 (2013.01) [F01N 3/208 (2013.01); F01N 3/30 (2013.01); F01N 2240/20 (2013.01); F01N 2470/10 (2013.01); F01N 2610/14 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A mixer for an exhaust gas system for mixing an additive into an exhaust gas flow of an internal combustion engine, having a first shell and at least a second shell which are arranged successively in the circumferential direction in relation to a center axis, each of the shells having at least two shell edges that are arranged offset in the circumferential direction and which each form a flow edge, wherein the flow edges of two circumferentially adjacent shell edges of two different shells delimit an inflow opening,
wherein
at least one pipe end arranged coaxially with the center axis is provided with a circumferential pipe profile that has a nominal radius Rn and is used for connection to an exhaust pipe, the pipe end being formed by the circumferentially adjacent shells.