Patent ID: 11965449
Assignee: CUMMINS EMISSION SOLUTIONS INC.
Field: Chemical engineering (Chemistry)
Classification: CPC F  B  Y | IPC F

Claim 11:
12. A mixer for a vehicle exhaust gas system, the mixer comprising:
a mixer housing defining an internal cavity having a center axis;
a venturi section positioned within the internal cavity and including a plurality of mixing vanes, wherein the venturi section comprises a first stamping having a first base surface that faces an upstream direction and a second stamping having a second base surface that faces a downstream direction, and wherein the first stamping comprises a first wall extending downstream and away from the first base surface about a periphery of the first base surface, and wherein the second stamping comprises a second wall extending upstream and away from the second base surface about a periphery of the second base surface, and wherein the first stamping and the second stamping are attached to each other to provide a mixing chamber therebetween, and including a first doser chamber portion protruding radially outward of the first stamping and a second doser chamber portion protruding radially outward of the second stamping to cooperate with the first doser chamber portion to provide a doser chamber having an inlet and an outlet that is open to the mixing chamber; and
a doser mount opening formed within the mixer housing that is aligned with the inlet.