US 11,708,777 B2
Liquid only lance injector
Samuel Johnson, East Wenatchee, WA (US); John G. Buechler, Indianapolis, IN (US); Matthew K. Volmerding, Columbus, IN (US); Jacob W. Brown, Columbus, IN (US); and Gaurav Hemant Pandit, Columbus, IN (US)
Assigned to Cummins Emission Solutions Inc., Columbus, IN (US)
Filed by CUMMINS EMISSION SOLUTIONS INC., Columbus, IN (US)
Filed on Jun. 17, 2021, as Appl. No. 17/350,218.
Application 17/350,218 is a division of application No. 16/909,010, filed on Jun. 23, 2020, granted, now 11,268,417.
Claims priority of provisional application 62/867,086, filed on Jun. 26, 2019.
Prior Publication US 2021/0317764 A1, Oct. 14, 2021
Int. Cl. F01N 3/20 (2006.01); F01N 13/14 (2010.01)
CPC F01N 3/206 (2013.01) [F01N 13/146 (2013.01); F01N 2610/146 (2013.01); F01N 2610/1406 (2013.01); F01N 2610/1433 (2013.01); F01N 2610/1473 (2013.01); F01N 2900/1808 (2013.01); F01N 2900/1821 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A lance injector assembly for an exhaust component, the lance injector assembly comprising:
an exhaust conduit;
a shaft configured to extend into the exhaust conduit and dispense reductant from a hydraulically-actuated valve;
an actuator configured to operate the hydraulically-actuated valve; and
a mounting system that couples the actuator and the shaft to the exhaust conduit while preventing the actuator from directly contacting the exhaust conduit, the mounting system comprising:
a spacer component coupled to and surrounding a portion of the shaft that is disposed outside the exhaust conduit, the spacer component coupled to the exhaust conduit,
an inner cap component coupled to and surrounding the spacer component,
an outer cap component disposed at an upper end of the shaft and an upper end of the spacer component at a location outside the exhaust conduit,
mounting ring members securing the inner cap component to the outer cap component, and
an insulating region defined by an outer surface of the shaft, inner surfaces of the spacer component, and a lower surface of the outer cap component.