Reductant injection and mixing system
Abstract
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.
- Inventors:
- Issue Date:
- Research Org.:
- Cummins IP, Inc., Columbus, IN (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1240415
- Patent Number(s):
- 9260994
- Application Number:
- 14/010,384
- Assignee:
- Cummins IP, Inc. (Columbus, IN)
- Patent Classifications (CPCs):
-
F - MECHANICAL ENGINEERING F01 - MACHINES OR ENGINES IN GENERAL F01N - GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02T - CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- DOE Contract Number:
- 0004125
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2013 Aug 26
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 33 ADVANCED PROPULSION SYSTEMS; 42 ENGINEERING; 02 PETROLEUM
Citation Formats
Reeves, Matt, Henry, Cary A., and Ruth, Michael J. Reductant injection and mixing system. United States: N. p., 2016.
Web.
Reeves, Matt, Henry, Cary A., & Ruth, Michael J. Reductant injection and mixing system. United States.
Reeves, Matt, Henry, Cary A., and Ruth, Michael J. Tue .
"Reductant injection and mixing system". United States. https://www.osti.gov/servlets/purl/1240415.
@article{osti_1240415,
title = {Reductant injection and mixing system},
author = {Reeves, Matt and Henry, Cary A. and Ruth, Michael J.},
abstractNote = {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.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Feb 16 00:00:00 EST 2016},
month = {Tue Feb 16 00:00:00 EST 2016}
}
Works referenced in this record:
Method for converting urea to ammonia
patent, October 1998
- Jones, Dale G.
- US Patent Document 5,827,490
Ammonia injection in NOx control
patent, November 1999
- Berriman, Lester P.; Zabsky, John M.; Ward, William H.
- US Patent Document 5,992,141
Low pressure injection and turbulent mixing in selective catalytic reduction system
patent, September 2002
- Liu, Z. Gerald; Verdegan, Barry M.
- US Patent Document 6,449,947
Impactor for selective catalytic reduction system
patent, August 2003
- Verdegan, Barry M.; Liu, Z. Gerald
- US Patent Document 6,601,385
Exhaust system for lean burn IC engines
patent, February 2007
- Blakeman, Philip Gerald; Twigg, Martyn Vincent
- US Patent Document 7,178,331
Emission control system
patent, March 2009
- Funk, Werner; Roberts, Phillip
- US Patent Document 7,497,076
Exhaust aftertreatment system with spiral mixer
patent, May 2010
- Kapsos, David; Bremigan, Cary D.; Adams, Mark P.
- US Patent Document 7,712,305
Mixing apparatus for an exhaust after-treatment system
patent, March 2011
- Brown, David B.; Mital, Rahul; Jaffri, Kasser A.
- US Patent Document 7,908,845