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 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.