CN212296579U - Flexible mixer and double-box packaging module system comprising same - Google Patents
Flexible mixer and double-box packaging module system comprising same Download PDFInfo
- Publication number
- CN212296579U CN212296579U CN202021152240.0U CN202021152240U CN212296579U CN 212296579 U CN212296579 U CN 212296579U CN 202021152240 U CN202021152240 U CN 202021152240U CN 212296579 U CN212296579 U CN 212296579U
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- Prior art keywords
- mixer
- flexible
- nitrogen
- inlets
- packaging
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Links
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 34
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000005538 encapsulation Methods 0.000 claims abstract description 23
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 19
- 239000001301 oxygen Substances 0.000 claims abstract description 19
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 19
- 239000002245 particle Substances 0.000 claims abstract description 17
- 239000007789 gas Substances 0.000 claims abstract description 11
- 230000009467 reduction Effects 0.000 claims abstract description 9
- 238000007599 discharging Methods 0.000 claims abstract description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 20
- 239000003054 catalyst Substances 0.000 claims description 15
- 230000003647 oxidation Effects 0.000 claims description 15
- 238000007254 oxidation reaction Methods 0.000 claims description 15
- 229910021529 ammonia Inorganic materials 0.000 claims description 10
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 9
- 239000004202 carbamide Substances 0.000 claims description 9
- 238000010531 catalytic reduction reaction Methods 0.000 claims description 7
- 238000006722 reduction reaction Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 10
- 238000002425 crystallisation Methods 0.000 description 6
- 230000008025 crystallization Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- DOTMOQHOJINYBL-UHFFFAOYSA-N molecular nitrogen;molecular oxygen Chemical compound N#N.O=O DOTMOQHOJINYBL-UHFFFAOYSA-N 0.000 description 3
- 238000009283 thermal hydrolysis Methods 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Exhaust Gas After Treatment (AREA)
Abstract
The utility model provides a flexible mixer reaches two box encapsulation module systems including it, flexible mixer includes: at least one group of collecting particle packaging modules and at least one group of nitrogen and oxygen emission reduction packaging modules; the at least one first mixer comprises at least two first inlets and a first outlet, and the first inlets are connected with the collected particle packaging module; the at least one second mixer comprises a second inlet and at least two second outlets, and the second outlets are connected with the nitrogen and oxygen reduction emission packaging module; one end of the connecting pipe is connected with the first outlet, and the other end of the connecting pipe is connected with the second inlet; the gas to be treated enters the first mixer from the packaging module for collecting particles, enters the packaging module for discharging the nitrogen and the oxygen through the second mixer, and is discharged from the packaging module for discharging the nitrogen and the oxygen. The utility model discloses can assemble on the different chassis of vehicle in a flexible way, the blender function has more spaces to strengthen the design to can more have the function pertinence.
Description
Technical Field
The utility model relates to an automobile exhaust handles the field, in particular to flexible mixer reaches two box encapsulation module systems including it.
Background
Along with the rapid development of the automobile industry in China, the air pollution is more and more serious, and the upgrading speed of the automobile emission regulations is slowly accelerated just based on the reason, from the original two countries to the current five and six countries. In order to adapt to the development of the society, various domestic commercial vehicle manufacturers mostly adopt a Selective Catalytic Reduction (SCR) and particulate filter (DPF) exhaust aftertreatment control technology to reduce the emission of harmful substances in the engine exhaust so as to meet the emission requirement.
In the field of commercial vehicles, due to the limitation of the total weight of a vehicle, more and more commercial trucks provide the requirement of double front shafts, the application problem of the same engine on different vehicles is mainly focused on different packaging arrangement requirements, and the trend is difficult to meet by the classical single-box packaging design.
In view of the above, in order to solve the problem, those skilled in the art have improved the structure of the flexible mixer, and a flexible mixer of a dual-cartridge encapsulation module system is proposed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is that the blender in order to overcome the single case encapsulation design among the prior art can't satisfy the defect of people to the new requirement of tail gas treatment system, provides a flexible mixer and includes its two box encapsulation module systems.
The utility model discloses a solve above-mentioned technical problem through following technical scheme:
a flexible mixer, characterized in that it comprises:
at least one group of collecting particle packaging modules and at least one group of nitrogen and oxygen emission reduction packaging modules;
at least one first mixer, said first mixer comprising at least two first inlets and one first outlet, said first inlets being connected to said collection particle encapsulation module;
at least one second mixer, said second mixer comprising a second inlet and at least two second outlets, said second outlets being connected to said nitrogen and oxygen reduction emission packaging module;
one end of the connecting pipe is connected with the first outlet, and the other end of the connecting pipe is connected with the second inlet;
and the gas to be treated enters the first mixer from the packaging module for collecting particles, enters the packaging module for discharging the nitrogen and oxygen reduced through the second mixer, and is discharged from the packaging module for discharging the nitrogen and oxygen reduced.
According to an embodiment of the invention, the encapsulation module for collecting particles comprises an oxidation catalyst and a particle filter arranged side by side with each other.
According to an embodiment of the present invention, the first mixer has two first inlets, the first inlets being connected with the oxidation catalyst and the particulate filter in a one-to-one correspondence, respectively.
According to an embodiment of the present invention, the encapsulation module for reducing nitrogen and oxygen emissions comprises a selective catalytic reduction unit and an ammonia oxidation catalyst arranged side by side with each other.
According to an embodiment of the present invention, the second mixer has two second outlets, which are respectively connected with the selective catalytic reduction unit and the ammonia oxidation catalyst in a one-to-one correspondence.
According to an embodiment of the invention, a urea injector is provided at the first outlet of the first mixer, through which urea injector the flow streams after passing through the oxidation catalyst and the particle filter are combined.
According to an embodiment of the invention, the second inlet is arranged at the end of the second mixer, along the axial distribution of the second mixer, or the second inlet is arranged at the top of the second mixer, along the radial distribution of the second mixer.
According to an embodiment of the present invention, the connecting pipe is zigzag, L-shaped or C-shaped.
According to an embodiment of the present invention, the first mixer and the second mixer are an integrally formed shell structure.
The utility model also provides a two box encapsulation module systems, its characteristics lie in, two box encapsulation module systems include as above the flexible mixer, the flexible mixer is installed on vehicle chassis.
The utility model discloses an actively advance the effect and lie in:
the utility model discloses flexible mixer reaches two box encapsulation module systems including it can assemble on the different chassis of vehicle in a flexible way, and the blender function has more spaces to strengthen its function to can have more pertinence. For chassis constraints of different vehicles, it is only necessary to change the connecting pipe.
The flexible mixer can be adapted to various classic configurations in various vehicle applications, and the functions of the mixer (e.g. reducing urea crystallization, enhancing the uniformity of distribution of the thermal hydrolysis of exhaust gas treatment fluid DEF to ammonia) can be optimized separately in two different mixers. The connecting pipe can be flexibly installed by adopting a simple geometric structure. The flexible mixer can ensure low tail gas backpressure, save fuel consumption and reduce carbon dioxide emission, can control the risk of urea crystallization, and the mixer vehicle installation is more nimble, and has better reliability.
Drawings
The above and other features, properties and advantages of the present invention will become more apparent from the following description of the embodiments with reference to the accompanying drawings, in which like reference numerals refer to like features throughout, and in which:
fig. 1 is a schematic diagram of a first outlet of a first mixer in a flexible mixer according to the present invention.
Fig. 2 is a schematic diagram of a first inlet of a first mixer in the flexible mixer of the present invention.
Fig. 3 is a perspective view of an embodiment of a second mixer of the flexible mixer of the present invention.
FIG. 4 is a schematic diagram of a second inlet of a second mixer of the flexible mixer of the present invention.
Fig. 5 is a schematic diagram of a second outlet of the second mixer in the flexible mixer of the present invention.
Fig. 6 is a perspective view of another embodiment of the second mixer of the flexible mixer of the present invention.
Fig. 7 is a schematic diagram of a second outlet of a second mixer in the flexible mixer of the present invention.
Fig. 8 is a first schematic view of the flexible mixer of the present invention mounted to a vehicle chassis.
Fig. 9 is a second schematic view of the flexible mixer of the present invention mounted to the vehicle chassis.
Fig. 10 is a third schematic view of the flexible mixer of the present invention mounted to a vehicle chassis.
Fig. 11 is a fourth schematic view of the flexible mixer of the present invention mounted to the vehicle chassis.
[ reference numerals ]
Particle collecting packaging module 10
Nitrogen and oxygen emission reduction packaging module 20
Connecting pipe 50
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts.
Further, although the terms used in the present invention are selected from publicly known and used terms, some of the terms mentioned in the description of the present invention may be selected by the applicant at his or her discretion, the detailed meanings of which are described in relevant parts of the description herein.
Furthermore, it is required that the present invention is understood, not simply by the actual terms used but by the meaning of each term lying within.
Fig. 1 is a schematic diagram of a first outlet of a first mixer in a flexible mixer according to the present invention. Fig. 2 is a schematic diagram of a first inlet of a first mixer in the flexible mixer of the present invention. Fig. 3 is a perspective view of an embodiment of a second mixer of the flexible mixer of the present invention. FIG. 4 is a schematic diagram of a second inlet of a second mixer of the flexible mixer of the present invention. Fig. 5 is a schematic diagram of a second outlet of the second mixer in the flexible mixer of the present invention. Fig. 6 is a perspective view of another embodiment of the second mixer of the flexible mixer of the present invention. Fig. 7 is a schematic diagram of a second outlet of a second mixer in the flexible mixer of the present invention.
Fig. 8 is a first schematic view of the flexible mixer of the present invention mounted to a vehicle chassis. Fig. 9 is a second schematic view of the flexible mixer of the present invention mounted to the vehicle chassis. Fig. 10 is a third schematic view of the flexible mixer of the present invention mounted to a vehicle chassis. Fig. 11 is a fourth schematic view of the flexible mixer of the present invention mounted to the vehicle chassis.
As shown in fig. 1-7, in conjunction with fig. 8-11, the present invention discloses a flexible mixer, which includes: at least one group of particle collecting packaging modules 10, at least one group of nitrogen and oxygen emission reducing packaging modules 20, at least one first mixer 30, at least one second mixer 40 and a connecting pipe 50. Wherein the first mixer 30 comprises at least two first inlets 31 and one first outlet 32, the first inlets 31 being connected to the encapsulation module 10 for collecting particles. The second mixer 40 comprises a second inlet 41 and at least two second outlets 42, the second outlets 42 being connected to the nox-reducing discharge encapsulation module 20. The connection pipe 50 has one end connected to the first outlet 32 and the other end connected to the second inlet 41. The gas to be treated enters the first mixer 30 from the particle collecting packaging module 10, enters the nitrogen and oxygen reducing emission packaging module 20 through the second mixer 40, and is discharged from the nitrogen and oxygen reducing emission packaging module 20.
Here, the first mixer 30 and the second mixer 40 may preferably be an integrally formed housing structure.
Preferably, the packaged module 10 collecting the particulates in this embodiment includes an oxidation catalyst (DOC) and a particulate filter (DPF) arranged side by side with each other. The first mixer 30 has two first inlets 31, and the first inlets 31 are connected to the oxidation catalyst (DOC) and the particulate filter (DPF) in one-to-one correspondence, respectively.
The nitrogen-oxygen reduction emission packaging module 20 has a selective catalytic reduction unit (SCR) and an ammonia oxidation catalyst (ASC) arranged side by side with each other. The second mixer 40 has two second outlets 42, and the second outlets 42 are respectively connected to the selective catalytic reduction unit (SCR) and the ammonia oxidation catalyst (ASC) in a one-to-one correspondence.
It is further preferred that the first outlet 32 of the first mixer 30 is provided with an ejector (not shown) through which the streams passing through the oxidation catalyst and the particle filter are combined.
As shown in fig. 3 to 5, in the second mixer 40, the second inlets 41 may be provided at an end of the second mixer 40 such that the second inlets 41 are distributed along an axial direction of the second mixer 40. Alternatively, as shown in fig. 6 and 7, in the second mixer 40, the second inlet 41 may be further disposed at the top end of the second mixer 40 such that the second inlet 41 is distributed along the radial direction of the second mixer 40.
In particular, the connection pipe 50 in this embodiment may preferably have a zigzag shape, an L shape or a C shape, and the connection pipe 50 may preferably be a flexible connection pipe, thereby facilitating the installation of the flexible mixer. Of course, the shape of the connection tube 50 may be adjusted and designed according to the specific installation environment, and this is merely an example, and the shape of the connection tube 50 may take various forms, all of which fall within the protection scope of the present invention. The technical scheme of this application can install the encapsulation module 10 and the nitrogen oxygen emission that reduces encapsulation module 20 of collecting the granule to the car base more nimble through adopting connecting pipe 50, and is applicable to various types of car bases.
As shown in fig. 8-11, the present invention also provides a dual-cartridge encapsulation module system, which includes the flexible mixer as described above, which is mounted on the vehicle chassis 100. The flexible mixer can be designed for different chassis of the vehicle (e.g. truck) because unlike the traditional decomposition tube packaging design (the mixer is installed inside the decomposition tube, which requires redesign, verification and fixing of the mixer as soon as the shape of the decomposition tube connecting the two packaged modules is changed), the mixer is not inside, so that the connection tube 50 can be designed independently. Meanwhile, the first mixer and the second mixer can keep the design unchanged, and are suitable for various installation conditions.
According to the structure description, the utility model discloses first blender is connected with the encapsulation module who collects the granule in the flexible mixer, mainly realizes reducing the function of urea crystallization, and the second blender is connected with nitrogen oxygen emission encapsulation module, mainly is used for realizing making tail gas treatment liquid (DEF) hydrolysis heat to generate ammonia NH3Are uniformly distributed. Because the two are separately installed, the functions can be realized independently, and more optimization spaces can be respectively provided. The flexible mixer is modularized in overall structural design, and has better applicability and flexibility in vehicle installation.
The utility model discloses flexible mixer is through adopting two box encapsulation module systems, one including the encapsulation module of collecting the granule (containing DOC and DPF), one includes nitrogen reduction oxygen emission encapsulation module (containing SCR and ASC), connects through the connecting pipe to this structure replaces the single-box packaging structure that the tradition was crossed, realizes more nimble equipment. The flexible mixer separates multiple functions of the mixer (reducing urea crystallization/increasing distribution uniformity of ammonia generated by thermal hydrolysis of tail gas treatment liquid DEF), and the two mixing parts are separated through two mixing modules. The flexible mixer can be flexibly installed on different automobile chassis, so that the mixer has more expansion space, and can be applied only by designing a connecting pipe according to different vehicle chassis constraint conditions.
To sum up, the utility model discloses flexible mixer and including its two box encapsulation module systems can assemble on the different chassis of vehicle in a flexible way, and the blender function has more spaces to strengthen to can have more the pertinence. For chassis constraints of different vehicles, it is only necessary to change the connecting pipe.
The flexible mixer can be applied to various classical structures in various vehicle applications, and the functions of the mixer (reducing urea crystallization and increasing the distribution uniformity of ammonia generated by thermal hydrolysis of tail gas treatment liquid DEF) can be optimized in different areas respectively. The connecting pipe can be flexibly installed by adopting a simple geometric structure. The flexible mixer can ensure low tail gas backpressure, save fuel consumption and reduce carbon dioxide emission, can control the risk of urea crystallization, and the vehicle installation is more nimble, and has potential better reliability.
Although particular embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are examples only and that the scope of the present invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are all within the scope of the invention.
Claims (10)
1. A flexible mixer, comprising:
at least one group of collecting particle packaging modules and at least one group of nitrogen and oxygen emission reduction packaging modules;
at least one first mixer, said first mixer comprising at least two first inlets and one first outlet, said first inlets being connected to said collection particle encapsulation module;
at least one second mixer, said second mixer comprising a second inlet and at least two second outlets, said second outlets being connected to said nitrogen and oxygen reduction emission packaging module;
one end of the connecting pipe is connected with the first outlet, and the other end of the connecting pipe is connected with the second inlet;
and the gas to be treated enters the first mixer from the packaging module for collecting particles, enters the packaging module for discharging the nitrogen and oxygen reduced through the second mixer, and is discharged from the packaging module for discharging the nitrogen and oxygen reduced.
2. The flexible mixer of claim 1, wherein the particulate collection packaging module comprises an oxidation catalyst and a particulate filter arranged side-by-side with one another.
3. The flexible mixer of claim 2, wherein the first mixer has two first inlets, the first inlets being connected to the oxidation catalyst and the particulate filter in a one-to-one correspondence, respectively.
4. The flexible mixer of claim 1, wherein the packaged module for reducing nitrogen and oxygen emissions comprises a selective catalytic reduction unit and an ammonia oxidation catalyst arranged side-by-side with each other.
5. The flexible mixer of claim 4, wherein the second mixer has two second outlets, the second outlets being connected to the selective catalytic reduction unit and the ammonia oxidation catalyst in a one-to-one correspondence, respectively.
6. The flexible mixer of claim 2, wherein a urea injector is disposed at the first outlet of the first mixer, through which the streams passing through the oxidation catalyst and the particulate filter are combined.
7. The flexible mixer according to claim 2, wherein the second inlets are arranged at the end of the second mixer, distributed in the axial direction of the second mixer, or the second inlets are arranged at the tip of the second mixer, distributed in the radial direction of the second mixer.
8. The flexible mixer of claim 1, wherein said connecting tube is zigzag, L-shaped, or C-shaped.
9. The flexible mixer of claim 2, wherein said first mixer and said second mixer are an integrally formed housing structure.
10. A dual-enclosure module system, comprising a flexible mixer according to any of claims 1-9 mounted on an automobile chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021152240.0U CN212296579U (en) | 2020-06-19 | 2020-06-19 | Flexible mixer and double-box packaging module system comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021152240.0U CN212296579U (en) | 2020-06-19 | 2020-06-19 | Flexible mixer and double-box packaging module system comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212296579U true CN212296579U (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021152240.0U Expired - Fee Related CN212296579U (en) | 2020-06-19 | 2020-06-19 | Flexible mixer and double-box packaging module system comprising same |
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| Country | Link |
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| CN (1) | CN212296579U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11828214B2 (en) | 2020-05-08 | 2023-11-28 | Cummins Emission Solutions Inc. | Configurable aftertreatment systems including a housing |
| US11982219B2 (en) | 2017-06-06 | 2024-05-14 | Cummins Emission Solutions Inc. | Systems and methods for mixing exhaust gases and reductant in an aftertreatment system |
| USD1042545S1 (en) | 2022-04-21 | 2024-09-17 | Cummins Emission Solutions Inc. | Aftertreatment system |
| USD1042544S1 (en) | 2022-04-21 | 2024-09-17 | Cummins Emission Solutions Inc. | Aftertreatment system |
| US12123337B2 (en) | 2021-03-18 | 2024-10-22 | Cummins Emission Solutions Inc. | Aftertreatment systems |
-
2020
- 2020-06-19 CN CN202021152240.0U patent/CN212296579U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11982219B2 (en) | 2017-06-06 | 2024-05-14 | Cummins Emission Solutions Inc. | Systems and methods for mixing exhaust gases and reductant in an aftertreatment system |
| US11828214B2 (en) | 2020-05-08 | 2023-11-28 | Cummins Emission Solutions Inc. | Configurable aftertreatment systems including a housing |
| US12123334B2 (en) | 2020-05-08 | 2024-10-22 | Cummins Emission Solutions Inc. | Configurable aftertreatment systems including a housing |
| US12123337B2 (en) | 2021-03-18 | 2024-10-22 | Cummins Emission Solutions Inc. | Aftertreatment systems |
| USD1042545S1 (en) | 2022-04-21 | 2024-09-17 | Cummins Emission Solutions Inc. | Aftertreatment system |
| USD1042544S1 (en) | 2022-04-21 | 2024-09-17 | Cummins Emission Solutions Inc. | Aftertreatment system |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |