US 12,460,566 B2
Dosing module for use in aftertreatment systems for internal combustion engines
Ralf Rohrmueller, Faulbach (DE); Thomas Kreser, Lohr (DE); Christian Geiss, Grossostheim (DE); Jonas Hofmann, Esselbach (DE); Jakob Stang, Marktheidenfeld (DE); Friedrich Johann Zapf, Karlstadt (DE); and Harald Breitenbach, Marktheidenfeld (DE)
Assigned to Cummins Emission Solutions Inc., Columbus, IN (US)
Filed by Cummins Emission Solutions Inc., Columbus, IN (US)
Filed on Jul. 8, 2024, as Appl. No. 18/765,844.
Application 18/765,844 is a continuation of application No. 16/604,483, granted, now 12,060,822, previously published as PCT/US2017/027401, filed on Apr. 13, 2017.
Prior Publication US 2024/0360780 A1, Oct. 31, 2024
Int. Cl. F01N 3/02 (2006.01); F01N 3/10 (2006.01); F01N 3/20 (2006.01); F01N 9/00 (2006.01); F01N 3/021 (2006.01)
CPC F01N 3/208 (2013.01) [F01N 9/00 (2013.01); F01N 3/021 (2013.01); F01N 3/106 (2013.01); F01N 2340/06 (2013.01); F01N 2570/145 (2013.01); F01N 2610/02 (2013.01); F01N 2610/146 (2013.01); F01N 2900/1806 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A dosing module for an aftertreatment system, the dosing module comprising:
a housing;
a dosing cartridge removably inserted in the housing, the dosing cartridge comprising a needle assembly;
a cover coupled to the housing, the cover covering the dosing cartridge;
an inlet port inserted in the housing, the inlet port configured to receive reductant and provide the reductant to the dosing cartridge; and
a filter screw coupled to the inlet port such that the filter screw is interchangeable, the filter screw comprising a pin, the filter screw being compressible to provide compensation for fluid expansion.