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

Claim 0:
1. 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 including integrally formed mixing vanes and positioned within the internal cavity, wherein the venturi section comprises a first portion having a first base surface that faces an upstream direction and a second portion having a second base surface that faces a downstream direction, and wherein the first base surface comprises a first planar surface and the second base surface comprises a second planar surface that is parallel to the first planar surface, and wherein the first portion and the second portion are combined to provide a mixing chamber therebetween, and including a first doser chamber portion protruding radially outward of the first portion and a second doser chamber portion protruding radially outward of the second portion to cooperate with the first doser chamber portion to form a doser chamber;
wherein the integrally formed mixing vanes include a plurality of first mixing vanes extending outwardly from the first planar surface in the upstream direction and a plurality of second mixing vanes extending outwardly from the second planar surface in a downstream direction; and
a doser mount opening formed within the mixer housing that is open to the doser chamber.