CN109973195B - Exhaust aftertreatment device for engine - Google Patents
Exhaust aftertreatment device for engine Download PDFInfo
- Publication number
- CN109973195B CN109973195B CN201711458294.2A CN201711458294A CN109973195B CN 109973195 B CN109973195 B CN 109973195B CN 201711458294 A CN201711458294 A CN 201711458294A CN 109973195 B CN109973195 B CN 109973195B
- Authority
- CN
- China
- Prior art keywords
- aftertreatment device
- engine exhaust
- exhaust aftertreatment
- assembly
- cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000003054 catalyst Substances 0.000 claims abstract description 21
- 230000003647 oxidation Effects 0.000 claims abstract description 21
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 21
- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 238000012423 maintenance Methods 0.000 claims abstract description 5
- 238000010531 catalytic reduction reaction Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 210000002268 wool Anatomy 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 2
- 239000007789 gas Substances 0.000 description 8
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
- F01N13/0097—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series the purifying devices are arranged in a single housing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
- F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
- Processes For Solid Components From Exhaust (AREA)
Abstract
An engine exhaust aftertreatment device includes a housing and an aftertreatment component. The aftertreatment assembly includes a first cartridge assembly including a diesel oxidation catalyst assembly in communication with an inlet and a diesel particulate filter assembly located downstream. The shell is provided with an end face used for maintenance and a containing cavity penetrating through the end face. The first cylinder assembly is detachably mounted in the accommodating cavity. The first barrel assembly further includes a sleeve coupled to the diesel oxidation catalyst assembly, the diesel particulate filter assembly being removably mounted within the sleeve. So set up, convenient to detach.
Description
Technical Field
The invention relates to an engine exhaust aftertreatment device, and belongs to the technical field of exhaust aftertreatment.
Background
Engine exhaust gas aftertreatment devices (e.g., diesel exhaust gas aftertreatment devices) are devices that are primarily used to treat or purify toxic and harmful substances in the exhaust gas. The toxic substances in the exhaust gas mainly comprise hydrocarbon, carbon monoxide, nitrogen oxides, particulate matters and the like.
The prior art has seen the use of Diesel Oxidation Catalyst (DOC), diesel Particulate Filter (DPF) and Selective Catalytic Reduction (SCR) combined solutions to improve the efficiency of exhaust gas treatment. Diesel particulate filters tend to clog after prolonged use, thereby affecting the performance of the overall aftertreatment device, which is often required to be designed in a removable configuration for ease of maintenance.
Disclosure of Invention
The invention aims to provide an engine exhaust aftertreatment device which is easy to disassemble.
In order to achieve the above purpose, the invention adopts the following technical scheme: an engine exhaust aftertreatment device, which includes a housing and an aftertreatment component located in the housing, wherein the housing includes an inlet for communicating with an exhaust of an engine, the aftertreatment component includes a first cylinder component including a diesel oxidation catalyst component communicating with the inlet and a diesel particulate filter component located downstream of the diesel oxidation catalyst component and communicating with the diesel oxidation catalyst component, wherein the diesel particulate filter component and the diesel oxidation catalyst component are disposed on a same straight line, the housing is provided with an end face for maintenance and a housing cavity penetrating through the end face, the first cylinder component is detachably mounted in the housing cavity, the first cylinder component further includes a sleeve connected to the diesel oxidation catalyst component and a mounting flange fixed on the sleeve, the diesel particulate filter component is detachably mounted in the sleeve, and the first cylinder component is fixed by the mounting flange.
As a further development of the invention, the mounting flange is welded to the sleeve.
As a further improved technical scheme of the invention, the sleeve is provided with a flanging which is positioned on the outer side, and the engine exhaust aftertreatment device comprises a gasket which is abutted against the flanging and an end cover which is abutted against the gasket.
As a further improved technical solution of the present invention, the engine exhaust gas aftertreatment device is provided with a bolt penetrating through the mounting flange, the gasket and the end cover to fix the diesel particulate filter assembly, and a nut matched with the bolt.
According to the technical scheme of the invention, the mounting flange is provided with a first mounting hole, the gasket is provided with a boss extending towards the end cover and a second mounting hole penetrating through the boss, the end cover is provided with a counter bore part formed by punching the gasket, the counter bore part is provided with a third mounting hole, and the bolt sequentially penetrates through the first mounting hole, the second mounting hole and the third mounting hole and is fixed with the nut in the counter bore part.
As a further improved technical scheme of the invention, the engine exhaust gas aftertreatment device comprises a first cavity positioned at the downstream of the diesel particulate filter assembly, a second cavity positioned at the side of the first cavity, a swirl tube communicated with the second cavity, a third cavity communicated with the swirl tube, at least one second cylinder assembly communicated with the third cavity and an outlet communicated with the second cylinder assembly.
As a further improved technical scheme of the invention, the mounting flange is provided with a first communication hole for communicating the first cavity with the second cavity.
As a further improved embodiment of the present invention, the gasket is provided with a second communication hole aligned with the first communication hole.
As a further development of the invention, the end cap is provided with an arcuate wall projecting into the first chamber for forcing the air flow to reverse.
As a further improved technical scheme of the invention, the engine exhaust aftertreatment device further comprises steel wool positioned in the cyclone tube; the second cartridge assembly includes a selective catalytic reduction assembly.
Compared with the prior art, the detachable first cylinder assembly is arranged, and the diesel particulate filter assembly is detachably arranged on the sleeve, so that on one hand, greater convenience is provided for the disassembly of the diesel particulate filter assembly; on the other hand, the diesel oxidation catalyst assembly can be disassembled.
Drawings
Fig. 1 is a schematic perspective view of an engine exhaust aftertreatment device of the present disclosure.
Fig. 2 is a schematic perspective view of another angle of fig. 1.
Fig. 3 is a partially exploded perspective view of fig. 1.
Fig. 4 is a further exploded perspective view of fig. 3.
Fig. 5 is an exploded view of fig. 4.
Fig. 6 is a front view of fig. 1.
Fig. 7 is a perspective view of the gasket of fig. 3.
Fig. 8 is a schematic cross-sectional view taken along line A-A in fig. 6.
Fig. 9 is a schematic cross-sectional view taken along line B-B of fig. 6.
Fig. 10 is a schematic cross-sectional view taken along line C-C of fig. 6.
Detailed Description
Referring to fig. 1-10, an engine exhaust aftertreatment device 100 is disclosed that includes a housing 1 and an aftertreatment component located within the housing 1. Wherein the housing 1 comprises an inlet 10 for communication with the exhaust gases of the engine. The aftertreatment assembly comprises a first cartridge assembly 11 and two second cartridge assemblies 12 arranged side by side with the first cartridge assembly 11.
In the illustrated embodiment of the invention, the first cylinder assembly 11 comprises a diesel oxidation catalyst assembly 2 in communication with the inlet 10 and a diesel particulate filter assembly 3 downstream of the diesel oxidation catalyst assembly 2 and in communication with the diesel oxidation catalyst assembly 2, wherein the diesel particulate filter assembly 3 is disposed in line with the diesel oxidation catalyst assembly 2. The second bowl assembly 12 includes a selective catalytic reduction assembly.
The housing 1 is provided with an end face 13 for maintenance and a receiving cavity 14 penetrating the end face 13. The first cylinder assembly 11 is detachably mounted in the accommodating cavity 14, and the first cylinder assembly 11 further comprises a sleeve 4 connected to the diesel oxidation catalyst assembly 2 and a mounting flange 5 fixed on the sleeve 4. The diesel particulate filter assembly 3 is detachably mounted in the sleeve 4, and the first cylinder assembly 11 is fixed by the mounting flange 5. The diesel oxidation catalyst assembly 2 and the diesel particulate filter assembly 3 each include a carrier, a mat wrapped around the carrier, and a housing enclosed around the mat.
In the illustrated embodiment of the invention, the mounting flange 5 is welded to the sleeve 4.
The sleeve 4 is provided with a flange 41 (see fig. 8) on the outside. The engine exhaust aftertreatment device 100 includes a gasket 6 that bears against the bead 41 and an end cover 7 that bears against the gasket 6.
The engine exhaust aftertreatment device 100 is provided with bolts 81 passing through the mounting flange 5, the gasket 6 and the end cover 7 to fix the diesel particulate filter assembly 3, and nuts 82 mating with the bolts 81.
Specifically, the mounting flange 5 is provided with a first mounting hole 51; the gasket 6 is provided with a boss 61 extending toward the end cover 7 and a second mounting hole 62 penetrating the boss 61; the end cover 7 is provided with a counter bore portion 71 punched towards the gasket 6, the counter bore portion 71 is provided with a third mounting hole 72, and the bolt 81 sequentially passes through the first mounting hole 51, the second mounting hole 62 and the third mounting hole 72 and is fixed with the nut 82 in the counter bore portion 71. So configured, on the one hand, nut 82 can be positioned within countersink region 71 to save space; on the other hand, the nut 82 can be protected from interference by external force.
The engine exhaust aftertreatment device 100 includes a first cavity 15 downstream of the diesel particulate filter assembly 3, a second cavity 16 located beside the first cavity 15, a swirl tube 17 in communication with the second cavity 16, a third cavity 18 in communication with the swirl tube 17, a second barrel assembly 12 in communication with the third cavity 18, and an outlet 20 in communication with the second barrel assembly 12.
In the illustrated embodiment of the invention, the mounting flange 5 is provided with a first communication hole 52 communicating the first cavity 15 with the second cavity 16. The gasket 6 is provided with a second communication hole 63 aligned with the first communication hole 52.
The end cap 7 is provided with an arcuate wall 73 projecting inwardly of the first chamber 15 for forcing the air flow to reverse.
The engine exhaust aftertreatment device 100 further includes steel wool 171 in the cyclone tube 17 to improve mixing and reduce the risk of urea crystallization.
Compared with the prior art, the invention provides greater convenience for disassembling the diesel particulate filter assembly 3 by arranging the first cylinder assembly 11 which can be disassembled and detachably installing the diesel particulate filter assembly 3 in the sleeve 4; on the other hand, enables the diesel oxidation catalyst assembly 2 to be disassembled as well. The packaging unit is unpacked and taken out from the end face, so that the disassembly is flexible and the operation is easy; in addition, when the whole vehicle is installed, the arrangement of the invention is universal left and right, and the flexibility is strong.
In addition, the above embodiments are only for illustrating the present invention and not for limiting the technical solutions described in the present invention, and it should be understood that the present invention should be construed based on those skilled in the art, and although the present invention has been described in detail with reference to the above embodiments, it should be understood that those skilled in the art may make modifications or equivalents to the present invention without departing from the spirit and scope of the invention and all technical solutions and modifications thereof should be covered by the scope of the claims of the present invention.
Claims (10)
1. An engine exhaust aftertreatment device comprising a housing and an aftertreatment component located within the housing, wherein the housing includes an inlet for communication with an exhaust of an engine, the aftertreatment component comprising a first barrel component including a diesel oxidation catalyst component in communication with the inlet and a diesel particulate filter component downstream of the diesel oxidation catalyst component and in communication with the diesel oxidation catalyst component, wherein the diesel particulate filter component is disposed in-line with the diesel oxidation catalyst component, characterized in that: the shell is provided with an end face used for maintenance and an accommodating cavity penetrating through the end face, the first barrel assembly is detachably installed in the accommodating cavity, the first barrel assembly further comprises a sleeve connected to the diesel oxidation catalyst assembly and an installation flange fixed on the sleeve, the diesel particulate filter assembly is detachably installed in the sleeve, and the first barrel assembly is fixed through the installation flange.
2. The engine exhaust aftertreatment device of claim 1, wherein: the mounting flange is welded on the sleeve.
3. The engine exhaust aftertreatment device of claim 1, wherein: the sleeve is provided with a flanging which is positioned on the outer side, and the engine exhaust aftertreatment device comprises a gasket which is propped against the flanging and an end cover which is propped against the gasket.
4. The engine exhaust aftertreatment device of claim 3, wherein: the engine exhaust aftertreatment device is provided with a bolt passing through the mounting flange, the gasket and the end cover to fix the diesel particulate filter assembly and a nut matched with the bolt.
5. The engine exhaust aftertreatment device of claim 4, wherein: the mounting flange is provided with a first mounting hole, the gasket is provided with a boss extending towards the end cover and a second mounting hole penetrating through the boss, the end cover is provided with a counter bore portion formed by stamping the gasket, the counter bore portion is provided with a third mounting hole, and the bolt sequentially penetrates through the first mounting hole, the second mounting hole and the third mounting hole and is fixed with the nut in the counter bore portion.
6. The engine exhaust aftertreatment device of claim 4, wherein: the engine exhaust aftertreatment device includes a first cavity located downstream of the diesel particulate filter assembly, a second cavity located beside the first cavity, a swirl tube in communication with the second cavity, a third cavity in communication with the swirl tube, at least one second barrel assembly in communication with the third cavity, and an outlet in communication with the second barrel assembly.
7. The engine exhaust aftertreatment device of claim 6, wherein: the mounting flange is provided with a first communication hole for communicating the first cavity with the second cavity.
8. The engine exhaust aftertreatment device of claim 7, wherein: the gasket is provided with a second communication hole aligned with the first communication hole.
9. The engine exhaust aftertreatment device of claim 6, wherein: the end cap is provided with an arc-shaped wall protruding into the first cavity and used for forcing airflow to be reversed.
10. The engine exhaust aftertreatment device of claim 6, wherein: the engine exhaust aftertreatment device further comprises steel wool positioned in the cyclone tube; the second cartridge assembly includes a selective catalytic reduction assembly.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711458294.2A CN109973195B (en) | 2017-12-28 | 2017-12-28 | Exhaust aftertreatment device for engine |
| PCT/CN2018/092999 WO2019128162A1 (en) | 2017-12-28 | 2018-06-27 | Engine exhaust gas aftertreatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711458294.2A CN109973195B (en) | 2017-12-28 | 2017-12-28 | Exhaust aftertreatment device for engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109973195A CN109973195A (en) | 2019-07-05 |
| CN109973195B true CN109973195B (en) | 2024-07-23 |
Family
ID=67065060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711458294.2A Active CN109973195B (en) | 2017-12-28 | 2017-12-28 | Exhaust aftertreatment device for engine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109973195B (en) |
| WO (1) | WO2019128162A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111365106A (en) * | 2020-04-21 | 2020-07-03 | 天纳克（苏州）排放系统有限公司 | Tail gas aftertreatment encapsulation |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207761779U (en) * | 2017-12-28 | 2018-08-24 | 天纳克（苏州）排放系统有限公司 | Exhaust post-treatment apparatus of engine |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102345488B (en) * | 2011-09-14 | 2016-04-20 | 中国第一汽车股份有限公司 | The mixed cell of foam metal bulb tube combination and manufacturing process thereof |
| DE102012218136A1 (en) * | 2012-10-04 | 2014-04-10 | Friedrich Boysen Gmbh & Co. Kg | Exhaust system component for internal combustion engine and method for producing an exhaust system component |
| US9920676B2 (en) * | 2013-04-11 | 2018-03-20 | Perkins Engines Company Limited | Mixer and emissions cleaning module |
| DE112014003842B4 (en) * | 2013-08-22 | 2023-07-27 | Ford Otomotiv Sanayi Anonim Sirketi | Device for reducing exhaust gases |
| DE102014111978B4 (en) * | 2014-08-21 | 2018-06-21 | Tenneco Gmbh | exhaust treatment device |
| CN205243595U (en) * | 2015-11-19 | 2016-05-18 | 天纳克（苏州）排放系统有限公司 | Engine exhaust post -treatment system |
| CN105402007A (en) * | 2015-12-17 | 2016-03-16 | 无锡威孚力达催化净化器有限责任公司 | Box type post processing assembly for diesel vehicle |
| CN206016944U (en) * | 2016-08-29 | 2017-03-15 | 无锡威孚力达催化净化器有限责任公司 | A kind of diesel vehicle post processing diesel particulate filter drawing structure |
| CN106121779A (en) * | 2016-08-29 | 2016-11-16 | 无锡威孚力达催化净化器有限责任公司 | A kind of box post processing structural assembly meeting the dismounting of grain catcher pull |
-
2017
- 2017-12-28 CN CN201711458294.2A patent/CN109973195B/en active Active
-
2018
- 2018-06-27 WO PCT/CN2018/092999 patent/WO2019128162A1/en active Application Filing
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207761779U (en) * | 2017-12-28 | 2018-08-24 | 天纳克（苏州）排放系统有限公司 | Exhaust post-treatment apparatus of engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109973195A (en) | 2019-07-05 |
| WO2019128162A1 (en) | 2019-07-04 |
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