US 11,655,743 B2
Systems and methods for reductant delivery in aftertreatment systems for internal combustion engines
Snehal Shivaji Yesumali, Miraj (IN); Colin L. Norris, Columbus, IN (US); Ronald Hale, Columbus, IN (US); Ken Hummel, Barneveld, WI (US); Tyler Kent Lorenz, McFarland, WI (US); and Raghunath Thakar, Dombivli West (IN)
Assigned to Cummins Emission Solutions Inc., Columbus, IN (US)
Filed by CUMMINS EMISSION SOLUTIONS INC., Columbus, IN (US)
Filed on Mar. 1, 2022, as Appl. No. 17/684,145.
Application 17/684,145 is a continuation of application No. 17/070,513, filed on Oct. 14, 2020, granted, now 11,293,323.
Application 17/070,513 is a continuation of application No. 16/144,683, filed on Sep. 27, 2018, granted, now 10,837,339, issued on Nov. 17, 2020.
Prior Publication US 2022/0186649 A1, Jun. 16, 2022
Int. Cl. F01N 13/00 (2010.01); F01N 3/20 (2006.01)
CPC F01N 3/2066 (2013.01) [F01N 3/208 (2013.01); F01N 3/2046 (2013.01); F01N 13/009 (2014.06); F01N 2560/06 (2013.01); F01N 2570/14 (2013.01); F01N 2610/02 (2013.01); F01N 2610/08 (2013.01); F01N 2610/11 (2013.01); F01N 2610/14 (2013.01); F01N 2610/1453 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A dosing lance assembly for an exhaust component, the dosing lance assembly comprising:
a housing comprising:
a plate having a first aperture,
a pipe having a first pipe end coupled to the plate around the first aperture, a second pipe end, and a second aperture,
an endcap coupled to the second pipe end, and
an elbow coupled to the pipe around the second aperture;
an air conduit having a first air conduit end and a second air conduit end coupled to the elbow, the air conduit separated from the pipe at a location between the plate and the endcap; and
a delivery conduit extending within the air conduit and coupled to the elbow.