US 11,891,937 B2
Body mixing decomposition reactor
Matthew K. Volmerding, Columbus, IN (US); Ryan M. Johnson, Cottage Grove, WI (US); Jim L Alonzo, Verona, WI (US); Samuel Johnson, East Wenatchee, WA (US); Apoorv Kalyankar, Madison, WI (US); Pranjal Naik, Stoughton, WI (US); Kartiki Jagtap, Pune (IN); and Mahendra Mittapalli, Mancherial (IN)
Assigned to Cummins Emission Solutions Inc., Columbus, IN (US)
Filed by Cummins Emission Solutions Inc., Columbus, IN (US)
Filed on Sep. 19, 2022, as Appl. No. 17/947,822.
Application 17/947,822 is a continuation of application No. 17/255,310, granted, now 11,486,289, previously published as PCT/US2018/040737, filed on Jul. 3, 2018.
Prior Publication US 2023/0016427 A1, Jan. 19, 2023
Int. Cl. F01N 3/28 (2006.01); B01D 53/94 (2006.01); F01N 3/20 (2006.01); B01F 25/313 (2022.01)
CPC F01N 3/2892 (2013.01) [B01D 53/9431 (2013.01); B01F 25/3131 (2022.01); F01N 3/2066 (2013.01); F01N 2240/20 (2013.01); F01N 2610/02 (2013.01); F01N 2610/1453 (2013.01)] 13 Claims
OG exemplary drawing
 
1. An exhaust aftertreatment assembly comprising:
a doser; and
a cone having a first center axis and being defined by a first length along the first center axis, the cone comprising:
a first sidewall having a plurality of inlets,
a plurality of flaps, each of the flaps extending radially outward from the first sidewall over one of the inlets,
a first cone opening at a first end of the first sidewall, and
a second cone opening at a second end of the first sidewall;
a tube having a second center axis that is coincident with the first center axis, the tube comprising:
a second sidewall having a second length along the second center axis, the second length greater than the first length, the second sidewall being cylindrical and unperforated,
a first tube opening at a first end of the second sidewall, and
a second tube opening at a second end of the second sidewall; and
a flange in confronting relation with and orthogonal to the second sidewall, the flange extending outwardly from and around the second sidewall at a location adjacent to the first tube opening and the second cone opening;
wherein:
the first cone opening is adjacent to a portion of the doser;
the first cone opening has a first diameter;
the second cone opening is adjacent to the first tube opening and has a second diameter, the second diameter being larger than the first diameter; and
the first sidewall has a conical shape.