Patent · US Active

SCR exhaust aftertreatment device

US10215074B2 · kind B2 · utility

0Cited by

1References

8Claims

0Family size

Assignee

BENTELER AUTOMOBILTECHNIK GMBH · DE

Inventors

Tobias Koenig · Meschede, DE
Eugen Lewin · Paderborn, DE
Elmar Grussmann · Altenbeken, DE
Frank Grumbrecht · Berlin, DE
Tobias Roemer · Goslar, DE
Anne Franzke · Chemnitz, DE

Key dates

Filing date	Jan 23, 2017
Grant date	Feb 26, 2019
Priority date	—
Expiry date	Jan 23, 2037

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/12
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

An SCR exhaust aftertreatment device of an internal combustion engine, containing an injector for injecting a reductant, a mixing unit and an SCR catalytic converter disposed immediately downstream in the direction of exhaust flow, wherein the mixing unit exhibits a swirl element and an impact element positioned upstream of the swirl element in the direction of exhaust flow, whereby the swirl element is configured of two guide elements disposed inside one another and swirl vanes for creating a swirling motion are disposed in an inner guide element and swirl vanes, which create a counterswirling motion, are disposed between the inner guide element and the outer guide element.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.