Patent · US Active

Exhaust aftertreatment system having mixer assembly

US10711677B2 · kind B2 · utility

6Cited by

40References

9Claims

0Family size

Assignee

Tenneco Automotive Operating Company LLC · US

Inventors

Lawrence J. Noren, IV · Springport, US
Daniel J. Owen · Parma, US
Jeffrey W. Denton · Jackson, US
Attila Kovacs · Veszprém, HU
Eric A. Hein · Neustadt an der Weinstraße, DE
Meng-Huang Lu · Ann Arbor, US
Manoj K. Sampath · Ann Arbor, US

Key dates

Filing date	Mar 19, 2019
Grant date	Jul 14, 2020
Priority date	—
Expiry date	Mar 19, 2039

Classification

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

Abstract

A mixer assembly for mixing an injected reductant with an exhaust gas output from a combustion engine comprises a mixer housing including a wall defining an exhaust passageway having a longitudinal axis. A tubular swirling device housing extends along a first axis substantially transverse to the longitudinal axis. The tubular swirling device includes a plurality of openings through which exhaust gas enters. The exhaust gas within the tubular swirling device swirls about the first axis and exits at an outlet end of the tubular swirling device. A mixing plate is positioned immediately downstream of the tubular swirling device. The mixing plate swirls the exhaust about a second axis extending parallel to the longitudinal axis.

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