IP Library › Granted Patent US 12,435,659
Granted Patent B2
US 12,435,659 · App. 18/104,420 · Granted Oct 7, 2025

Aftertreatment component cartridge for an aftertreatment system

Inventors: Paul T. Frisch (Madison, WI); Peter Christianson (Waunakee, WI); Joshua Niedfeldt (Stoughton, WI)
Assignee: CUMMINS EMISSION SOLUTIONS INC.
F01N13/1827F01N3/0211
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Quick Facts
Patent No.
US 12,435,659
App. No.
18/104,420
Granted
Oct 7, 2025
Kind
B2
Abstract

An aftertreatment system includes an inlet body, a cartridge, and an outlet body. The inlet body includes an inlet body wall and an inlet engagement member. The inlet engagement member includes an inlet engagement member wall and an inlet coupling flange. The inlet coupling flange extends in a downstream direction from the inlet engagement member wall. The cartridge includes a cartridge wall and an adaptor that extends away from the cartridge wall. The outlet body includes an outlet body wall and an outlet engagement member. The outlet engagement member includes an outlet engagement member wall and an outlet coupling flange. The outlet coupling flange extends in an upstream direction from the outlet engagement member wall and towards the adaptor such that the adaptor is disposed between the inlet coupling flange and the outlet coupling flange.

Claims (50)

1. An aftertreatment system comprising:

an inlet body comprising an inlet body wall and an inlet engagement member, the inlet engagement member comprising:

an inlet engagement member wall extending outward from the inlet body wall, the inlet engagement member wall comprising:

an inlet engagement member wall first portion extending outward from the inlet body wall at a first non-zero angle with respect to an extending direction of the inlet body wall;

an inlet engagement member wall second portion extending outward and in a downstream direction from the inlet engagement member wall first portion at a second non-zero angle with respect to the inlet engagement member wall first portion, and

an inlet engagement member wall third portion extending outward from the inlet engagement member wall second portion at a third non-zero angle with respect to the inlet engagement member wall second portion, wherein the inlet engagement member wall third portion is perpendicular to the inlet engagement member wall second portion, and

an inlet coupling flange extending in a downstream direction from the inlet engagement member wall third portion;

a cartridge, part of which is positioned downstream of the inlet body, the cartridge comprising:

a cartridge wall, and

an adaptor that extends outward from the cartridge wall; and

an outlet body, part of which is positioned downstream of the cartridge, the outlet body comprising an outlet body wall and an outlet engagement member, the outlet engagement member comprising:

an outlet engagement member wall extending outward from the outlet body wall, and

an outlet coupling flange extending in an upstream direction from the outlet engagement member wall and towards the adaptor such that the adaptor is disposed between the inlet coupling flange and the outlet coupling flange.

2. The aftertreatment system of claim 1 , wherein the adaptor is spaced away from both the inlet engagement member wall and the outlet engagement member wall.

3. The aftertreatment system of claim 1 , wherein the aftertreatment system further comprises:

a first sealing member that engages the inlet engagement member wall and a first engagement side of the adaptor to form a first seal therebetween; and

a second sealing member that engages the outlet engagement member wall and a second engagement side of the adaptor, opposite the first engagement side, to form a second seal therebetween.

4. The aftertreatment system of claim 1 , wherein:

a first engagement side of the adaptor engages the inlet coupling flange to form a first seal therebetween; and

a second engagement side of the adaptor, opposite the first engagement side, engages the outlet coupling flange to form a second seal therebetween.

5. The aftertreatment system of claim 1 , wherein the adaptor further comprises a base coupled to the cartridge wall and a coupler portion extending outward from a center of the base.

6. The aftertreatment system of claim 1 , wherein the inlet engagement member wall second portion is parallel to the extending direction of the inlet body wall.

7. The aftertreatment system of claim 1 , wherein the inlet engagement member wall comprises an inlet engagement member wall curved portion extending along a curved path between the inlet engagement member wall second portion and the inlet engagement member wall third portion, wherein the inlet engagement member wall curved portion is contiguous with the inlet engagement member wall second portion and the inlet engagement member wall third portion.

8. The aftertreatment system of claim 1 , wherein the inlet engagement member wall third portion defines an engagement surface that engages the adaptor.

9. The aftertreatment system of claim 1 , wherein the inlet coupling flange extends along a slope that is angled with respect to the inlet engagement member wall third portion.

10. The aftertreatment system of claim 9 , wherein the angle of the slope is between 90° and 180° with respect to an extending direction of the inlet engagement member wall third portion.

11. The aftertreatment system of claim 9 , wherein the inlet engagement member wall comprises an inlet engagement member wall curved portion extending along a curved path between the inlet engagement member wall third portion and the inlet coupling flange, wherein the inlet engagement member wall curved portion is contiguous with the inlet engagement member wall third portion and the inlet coupling flange.

12. An aftertreatment system comprising:

an inlet body comprising:

an inlet body wall, and

an inlet engagement member comprising an inlet coupling flange extending outward from the inlet body wall;

a cartridge, part of which is positioned downstream of the inlet body, the cartridge comprising:

a cartridge wall, and

an adaptor comprising:

an adaptor wall first portion extending outward from the cartridge wall at a first non-zero angle with respect to an extending direction of the cartridge wall and contiguous with the cartridge wall,

an adaptor wall second portion extending outward from the adaptor wall first portion at a second non-zero angle with respect to the extending direction of the cartridge wall, and contiguous with the adaptor wall first portion,

an adaptor wall third portion extending outward from the adaptor wall second portion at a third non-zero angle with respect to the extending direction of the cartridge wall such that the adaptor wall third portion is parallel to the adaptor wall first portion, and contiguous with the adaptor wall second portion, and

an adaptor wall fourth portion extending outward from the adaptor wall third portion at a fourth non-zero angle with respect to the extending direction of the cartridge wall such that the adaptor wall fourth portion is parallel to the inlet coupling flange; and

an outlet body, part of which is positioned downstream of the cartridge, the outlet body comprising:

an outlet body wall,

an outlet engagement member wall extending outward from the outlet body wall, and

an outlet coupling flange extending in an upstream direction from the outlet engagement member wall and towards the adaptor such that the adaptor is disposed between the inlet coupling flange and the outlet coupling flange.

13. The aftertreatment system of claim 12 , wherein an upstream side of the adaptor wall third portion defines a first adaptor engagement surface.

14. The aftertreatment system of claim 12 , wherein the adaptor wall first portion is perpendicular to the extending direction of the cartridge wall.

15. The aftertreatment system of claim 12 , wherein the adaptor comprises:

an adaptor wall fifth portion extending outward from the cartridge wall at a fifth non-zero angle with respect to an extending direction of the cartridge wall and contiguous with the cartridge wall,

an adaptor wall sixth portion extending outward from the adaptor wall fifth portion at a sixth non-zero angle with respect to the extending direction of the cartridge wall, and contiguous with the adaptor wall fifth portion,

an adaptor wall seventh portion extending outward from the adaptor wall sixth portion at a seventh non-zero angle with respect to the extending direction of the cartridge wall, and contiguous with the adaptor wall sixth portion, wherein the adaptor wall seventh portion is parallel to the adaptor wall fifth portion, and

an adaptor wall eighth portion extending outward from the adaptor wall seventh portion at an eighth non-zero angle with respect to the extending direction of the cartridge wall, and contiguous with the adaptor wall seventh portion, wherein the adaptor wall eighth portion is parallel to the outlet coupling flange.

16. The aftertreatment system of claim 15 , wherein the adaptor comprises an adaptor wall ninth portion that extends between the adaptor wall fourth portion and the adaptor wall eighth portion, and contiguous with the adaptor wall fourth portion and the adaptor wall eighth portion.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 25, 2023
From: FRISCH, PAUL T.; CHRISTIANSON, PETER
To: CUMMINS EMISSION SOLUTIONS INC.
Reel/Frame 064703/0717 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 25, 2023
From: NIEDFELDT, SHIRLEY
To: CUMMINS EMISSION SOLUTIONS INC.
Reel/Frame 064703/0966 →
Continuity (1)
Related Publication 20240254910A1 · Aug 1, 2024
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