Reductant injection and mixing system

Reeves, Matt; Henry, Cary A.; Ruth, Michael J.

Title: Reductant injection and mixing system

Patent · Tue Feb 16 00:00:00 EST 2016

OSTI ID:1240415

Reeves, Matt; Henry, Cary A.; Ruth, Michael J.

A gaseous reductant injection and mixing system is described herein. The system includes an injector for injecting a gaseous reductant into an exhaust gas stream, and a mixer attached to a surface of the injector. The injector includes a plurality of apertures through which the gaseous reductant is injected into an exhaust gas stream. The mixer includes a plurality of fluid deflecting elements.

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Research Organization:: Cummins IP, Inc., Columbus, IN (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: 0004125

Assignee:: Cummins IP, Inc. (Columbus, IN)

Patent Number(s):: 9,260,994

Application Number:: 14/010,384

OSTI ID:: 1240415

Resource Relation:: Patent File Date: 2013 Aug 26

Country of Publication:: United States

Language:: English

References (8)

Method for converting urea to ammonia Jones, Dale G. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5827490 US Patent Document 5,827,490	patent	October 1998
Ammonia injection in NOx control Berriman, Lester P.; Zabsky, John M.; Ward, William H. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5992141 US Patent Document 5,992,141	patent	November 1999
Low pressure injection and turbulent mixing in selective catalytic reduction system Liu, Z. Gerald; Verdegan, Barry M. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6449947 US Patent Document 6,449,947	patent	September 2002
Impactor for selective catalytic reduction system Verdegan, Barry M.; Liu, Z. Gerald https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6601385 US Patent Document 6,601,385	patent	August 2003
Exhaust system for lean burn IC engines Blakeman, Philip Gerald; Twigg, Martyn Vincent https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7178331 US Patent Document 7,178,331	patent	February 2007
Emission control system Funk, Werner; Roberts, Phillip https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7497076 US Patent Document 7,497,076	patent	March 2009
Exhaust aftertreatment system with spiral mixer Kapsos, David; Bremigan, Cary D.; Adams, Mark P. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7712305 US Patent Document 7,712,305	patent	May 2010
Mixing apparatus for an exhaust after-treatment system Brown, David B.; Mital, Rahul; Jaffri, Kasser A. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7908845 US Patent Document 7,908,845	patent	March 2011

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