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

Claim 4:
5. 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 portion comprises the first base surface facing the upstream direction with a first wall extending downstream and away from the first base surface about a periphery of the first base surface to form a first shell, and wherein the second portion comprises the second base surface facing the downstream direction with a second wall extending upstream and away from the second base surface about a periphery of the second base surface to form a second shell, 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; and
a doser mount opening formed within the mixer housing that is open to the doser chamber.