US 12,168,203 B2
Exhaust gas aftertreatment device
Rolf Brück, Bergisch Gladbach (DE); Peter Hirth, Rösrath (DE); Sven Schepers, Troisdorf (DE); and David Odenthal, Bergisch Gladbach (DE)
Assigned to Vitesco Technologies GmbH, Regensburg (DE)
Filed by Vitesco Technologies GMBH, Regensburg (DE)
Filed on Dec. 16, 2021, as Appl. No. 17/553,065.
Application 17/553,065 is a continuation of application No. PCT/EP2020/067594, filed on Jun. 24, 2020.
Claims priority of application No. 10 2019 209 301.9 (DE), filed on Jun. 26, 2019.
Prior Publication US 2022/0105465 A1, Apr. 7, 2022
Int. Cl. B01D 53/94 (2006.01); F01N 3/20 (2006.01); F01N 3/28 (2006.01)
CPC B01D 53/94 (2013.01) [F01N 3/2026 (2013.01); F01N 3/2803 (2013.01); F01N 2510/00 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A device for exhaust-gas aftertreatment comprising:
an inner pipe;
a tubular flow path is delimited outwardly in the radial direction by the inner pipe;
an outer pipe;
an annular flow path is delimited inwardly in the radial direction by the inner pipe and outwardly in the radial direction by the outer pipe;
a diverting chamber which diverts the exhaust-gas flow from the tubular flow path into the annular flow path;
at least one annular substrate body arranged in the annular flow path; and
a catalytically active coating applied to the at least one annular substrate body;
an electrically heatable heating disk arranged in the annular flow path and the tubular flow path.