The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 15, 2020
Filed:
Oct. 31, 2018
Applicant:
Caterpillar Inc., Deerfield, IL (US);
Inventors:
Ramakrishna V. Manda, Dunlap, IL (US);
Kevin L. Martin, Washburn, IL (US);
Paul A. Zwart, Dunlap, IL (US);
Andrew M. Denis, Peoria, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/20 (2006.01); F01N 3/28 (2006.01); F01N 13/08 (2010.01);
U.S. Cl.
CPC ...
F01N 3/2892 (2013.01); F01N 3/2066 (2013.01); F01N 13/08 (2013.01); F01N 2610/02 (2013.01); F01N 2610/08 (2013.01); F01N 2610/146 (2013.01); F01N 2610/1453 (2013.01);
Abstract
An injection apparatus includes an injection mixing platform located within an exhaust pipe; wherein the injection mixing platform includes two or more mixing blades extending radially from a common central hub, at least one of the mixing blades being coupled to a DEF inlet to receive DEF from an external tank, wherein each of the two or more mixing blades includes at least one nozzle to eject the DEF into an exhaust stream, the two or more mixing blades being statically mounted to an inner surface of the exhaust pipe.