Patent ID: 11891937
Assignee: CUMMINS EMISSION SOLUTIONS INC.
Field: Chemical engineering (Chemistry)
Classification: CPC F  B  Y | IPC B  F

Claim 0:
1. An exhaust aftertreatment assembly comprising:
a doser; and
a cone having a first center axis and being defined by a first length along the first center axis, the cone comprising:
a first sidewall having a plurality of inlets,
a plurality of flaps, each of the flaps extending radially outward from the first sidewall over one of the inlets,
a first cone opening at a first end of the first sidewall, and
a second cone opening at a second end of the first sidewall;

a tube having a second center axis that is coincident with the first center axis, the tube comprising:
a second sidewall having a second length along the second center axis, the second length greater than the first length, the second sidewall being cylindrical and unperforated,
a first tube opening at a first end of the second sidewall, and
a second tube opening at a second end of the second sidewall; and

a flange in confronting relation with and orthogonal to the second sidewall, the flange extending outwardly from and around the second sidewall at a location adjacent to the first tube opening and the second cone opening;
wherein:
the first cone opening is adjacent to a portion of the doser;
the first cone opening has a first diameter;
the second cone opening is adjacent to the first tube opening and has a second diameter, the second diameter being larger than the first diameter; and
the first sidewall has a conical shape.