CN106150622A - Emission control system for vehicle - Google Patents
Emission control system for vehicle Download PDFInfo
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- CN106150622A CN106150622A CN201510190815.5A CN201510190815A CN106150622A CN 106150622 A CN106150622 A CN 106150622A CN 201510190815 A CN201510190815 A CN 201510190815A CN 106150622 A CN106150622 A CN 106150622A
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- Prior art keywords
- catalyst unit
- vehicle
- control system
- emission control
- unit
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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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
- B01D53/9477—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on separate bricks, e.g. exhaust systems
-
- 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
-
- 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
- F01N3/36—Arrangements for supply of additional fuel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2067—Urea
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Toxicology (AREA)
- General Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The present invention relates to the emission control system for vehicle, it is used for reducing production cost and effectively purifying nitrogen oxides.The emission control system for vehicle of the exemplary embodiment according to the present invention includes: diesel oxidation catalyst unit, and it is installed to exhaustor, is formed as the discharge gas for discharging electromotor and by the fractions oxidation in discharge gas;And multi-catalyst unit, it is connected with the rear end of diesel oxidation catalyst unit, install to exhaustor, and it being adjusted in diesel particulate filter formation oxidation catalyst and selective reduction catalyst, described diesel particulate filter is for trapping and purifies the particulate matter in discharge gas.Reducing agent can be injected between diesel oxidation catalyst unit and multi-catalyst unit.
Description
Cross-Reference to Related Applications
This application claims in the Application No. that on November 3rd, 2014 submits to Korean Intellectual Property Office
The priority of the korean patent application of 10-2014-0151235 and rights and interests, entire contents is by drawing
With being incorporated in herein.
Technical field
The present invention relates to the emission control system for vehicle.More particularly it relates to subtract
The emission control system for vehicle of pollutant in discharge gas less.
Background technology
Generally, the gas extraction system of electromotor includes after-treatment device, such as DOC (diesel engine oxygen
Change catalyst), DPF (diesel particulate filter), SCR (SCR) and
LNT (lean-burn NOx trap), its be used for reducing carbon monoxide (CO), Hydrocarbon (HC),
Particulate matter (PM), nitrogen oxides (NOx) etc. (they are all the pollutant in discharge gas).
DOC can will discharge whole Hydrocarbon and Oxidation of Carbon Monoxide in gas, and
It is nitrogen dioxide by oxidation of nitric oxide.
DPF can with the particulate matter in filtering exhaust gases, and come clean via chemical conversion treatment
Change particulate matter.
SCR uses the heat of discharge gas that reducing agent (carbamide) is converted into ammonia (NH3),
Wherein reducing agent (carbamide) is sprayed on the airflow direction of discharge gas by ejector;And
Catalysis is carried out instead between SCR catalyst nitrogen oxides and ammonia in discharge gas by utilizing
Should, and nitrogen oxides is reduced to nitrogen (N2) and water (H2O)。
LNT absorbs the nitrogen oxides in discharge gas, and for inhaling under predetermined circumstances
The nitrogen oxides received reacts with reducing agent, the nitrogen oxides absorbed with removing.
Additionally, DOC or LNT and DPF is set to discharge gas via DOC or LNT
And pass through DPF.By ejector, reducing agent (carbamide) is being injected in DOC or LNT
And in the case of between DPF, carbamide or ammonia can contact DOC or LNT (they
It is front end catalyst), and the most additionally produce NOx.There is the ejector of relatively shallow angle
May be used for preventing from producing extraly NOx.
But, if using the ejector with relatively shallow angle, then may destroy carbamide or ammonia
Flow uniformity or possible destruction in catalytic reaction of gas mix while nitrogen oxides and ammonia
Efficiency.Accordingly, it may be desirable to extra blender.
The information above being disclosed in background section is merely intended to strengthen the background skill to the present invention
The understanding of art, is not intended that in this country for those of ordinary skill in the art for known
Prior art.
Summary of the invention
This invention address that and provide the emission control system for vehicle, it has reduction and produces into
Basis and the advantage effectively purifying nitrogen oxides.
The emission control system for vehicle according to one exemplary embodiment of the present invention is permissible
Including: diesel oxidation catalyst unit, it is installed to exhaustor, is formed as discharging electromotor
Discharge gas and will discharge gas in fractions oxidation;And multi-catalyst unit,
It is connected with the rear end of diesel oxidation catalyst unit, installs to exhaustor, and is adjusted to
Oxidation catalyst and selective reduction catalyst is formed in diesel particulate filter, described
Diesel particulate filter is for trapping and purifies the particulate matter in discharge gas.
Reducing agent can be injected between diesel oxidation catalyst unit and multi-catalyst unit.
Emission control system for vehicle can also include reducing catalyst unit, and it is arranged on
The rear end of diesel oxidation catalyst unit, and reduce discharge gas in fractions.
Reducing agent can be injected in diesel oxidation catalyst unit and multi-catalyst by ejector
Between unit.
Emission control system for vehicle can also include jet chamber, and it is one of exhaustor
Point, diesel oxidation catalyst unit is connected with multi-catalyst unit, and formation is used for leading to
The space of overspray emitter injection reducing agent.
Reducing catalyst unit and multi-catalyst unit can spray to jet chamber by using
Reducing agent reduce discharge gas in fractions.
The emission control system for vehicle of another exemplary embodiment according to the present invention can
To include: purification of nitrogen oxides device, it is installed to exhaustor, is formed as discharging electromotor
Discharge gas, and the nitrogen oxides absorbing and reducing in discharge gas;And multi-catalyst list
Unit, it is connected with the rear end of purification of nitrogen oxides device by exhaustor, and is adjusted at bavin
Oil machine particulate filter is formed oxidation catalyst and selective reduction catalyst, described diesel oil
Machine particulate filter is for trapping and purifies the particulate matter in discharge gas.
Reducing agent can be injected between purification of nitrogen oxides device and multi-catalyst unit.
Emission control system for vehicle can also include reducing catalyst unit, and it is arranged on
The rear end of purification of nitrogen oxides device, and reduce discharge gas in fractions.
Reducing agent can be injected in purification of nitrogen oxides device and multi-catalyst unit by ejector
Between.
Emission control system for vehicle can also include jet chamber, and it is one of exhaustor
Point, purification of nitrogen oxides device is connected with multi-catalyst unit, and is formed for by spray
The space of emitter injection reducing agent.
Fractions in discharge gas can be by the reducing agent in injection to jet chamber also
Raw catalyst unit and multi-catalyst unit reduce.
Accompanying drawing explanation
Fig. 1 is the exhaust gas purification system for vehicle according to one exemplary embodiment of the present invention
The block diagram of system.
Fig. 2 is the exhaust gas purification for vehicle of another exemplary embodiment according to the present invention
The block diagram of system.
Fig. 3 is the emission control system for vehicle of the exemplary embodiment according to the present invention
Schematic diagram.
Fig. 4 is the exhaust gas purification system for vehicle illustrating the exemplary embodiment according to the present invention
The curve chart of the effect of system.
<reference description>
10: electromotor
12: exhaustor
20: diesel oxidation catalyst unit
25: purification of nitrogen oxides device
30: reducing catalyst unit
40: multi-catalyst unit
50: ejector
55: jet chamber
Detailed description of the invention
Describe the exemplary embodiment of the present invention the most with reference to the accompanying drawings in detail.
Fig. 1 is the exhaust gas purification system for vehicle according to one exemplary embodiment of the present invention
The block diagram of system.
As shown in fig. 1, according to the row for vehicle of one exemplary embodiment of the present invention
Gas cleaning system is connected with electromotor 10, with the discharge gas of purifying engine 10.It addition,
Emission control system for vehicle includes: diesel oxidation catalyst (DOC) unit 20,
Reducing catalyst unit (SCR: SCR) 30 and multi-catalyst unit (SDPF:
SCR based on DPF) 40.
Diesel oxidation catalyst unit 20 is installed to exhaustor 12, is formed as will be from vehicle
Electromotor 10 in discharge discharge gas be emitted into outside.That is, diesel oxidation catalyst list
The front end of unit 20 is connected with electromotor 10, to suck the discharge gas of discharge from electromotor 10.
In this article, the front-end and back-end of building block are based on the discharge gas front end from building block
Flow to the discharge gas flow direction of rear end and limit.
Diesel oxidation catalyst unit 20 has the carrier arranged under predetermined circumstances, and
Diesel oxidation catalyst is coated in carrier.It addition, diesel oxidation catalyst unit 20 is used for
The Hydrocarbon in discharge gas and carbon monoxide is aoxidized by diesel oxidation catalyst.
Specifically, diesel oxidation catalyst unit 20 is used for oxidation of nitric oxide being nitrogen dioxide.
Diesel oxidation catalyst unit 20 is known for those of ordinary skill in the art, therefore
The more detailed description to it will be omitted.
Reducing catalyst unit 30 is arranged on the rear end of diesel oxidation catalyst unit 20.
It addition, reducing catalyst unit 30 is for using the heat of discharge gas by reducing agent (carbamide)
It is converted into ammonia (NH3), and by selective reduction catalyst nitrogen oxygen in discharge gas
Carry out catalytic reaction between compound and ammonia and nitrogen oxides is reduced to nitrogen (N2) and water
(H2O).The effect of reducing catalyst unit 30 is known for those of ordinary skill in the art
, therefore will omit the more detailed description to it.
Multi-catalyst unit 40 is installed to exhaustor 12, and the front end of multi-catalyst unit 40
Being connected with reducing catalyst unit 30 by exhaustor 12, reducing catalyst unit 30 is arranged on
The rear end of diesel oxidation catalyst unit 20.It addition, multi-catalyst unit 40 is based on bavin
Oil machine particulate filter (DPF) and be adjusted in DPF formation selective reduction catalysis
Agent and oxidation catalyst.In this article, DPF is for trapping the particulate matter in discharge gas also
And via chemical conversion treatment by the device of particle purifying, it is for the ordinary skill of this area
Personnel are known, therefore will omit the more detailed description to it.
Multi-catalyst unit 40 is for trapping the particulate matter in discharge gas, and turns via chemistry
Change processes particulate matter.It addition, multi-catalyst unit 40 is for by using such as carbamide
The reducing agent of solution and the nitrogen oxides in discharge gas is reduced to nitrogen.It addition, many catalysis
Agent unit 40 is used for removing unreacted soot (soot) in reducing agent, and is come clean by oxidation
Change CO, the HC etc. produced by burning soot.
Fig. 2 is the exhaust gas purification for vehicle of another exemplary embodiment according to the present invention
The block diagram of system.
As shown in Figure 2, according to one exemplary embodiment of the present invention for vehicle
In emission control system, it is provided with purification of nitrogen oxides device (LNT: lean NOx trap)
25, replace based on the exemplary embodiment according to the present invention described in reference Fig. 1 for car
The diesel oxidation catalyst unit 20 of emission control system.
In other words, reducing catalyst unit 30 is arranged on the rear end of purification of nitrogen oxides device 25.
By omit with reference to Fig. 1 about the aerofluxus being used for vehicle of the exemplary embodiment according to the present invention
The repeated description of building block identical in the description of cleaning system.
Purification of nitrogen oxides device 25 is for absorbing the nitrogen oxides in discharge gas, and passes through
Under predetermined circumstances the nitrogen oxides of absorption is reacted with reducing agent and remove nitrogen oxides.Nitrogen
Oxide purifier 25 is known for those of ordinary skill in the art, therefore will omit
Detailed description.
That is, the emission control system for vehicle according to the exemplary embodiment of the present invention is permissible
It is applied to emission control system based on diesel oxidation catalyst unit 20 or based on nitrogen oxygen
The emission control system of compound purifier 25.
As shown in Figures 1 and 2, at reducing catalyst unit 30 and multi-catalyst unit 40
Between supply reducing agent.
Hereinafter, supply reducing agent will be described in detail with reference to Fig. 3.
Fig. 3 is the emission control system for vehicle of the exemplary embodiment according to the present invention
Schematic diagram.
As shown in Figure 3, the aerofluxus for vehicle according to the exemplary embodiment of the present invention is clean
Change system also includes ejector 50 and jet chamber 55.
Reducing agent is injected in reducing catalyst unit 30 and multi-catalyst unit 40 by ejector 50
Between.
Jet chamber 55 is arranged between reducing catalyst unit 30 and multi-catalyst unit 40, with
The rear end of reducing catalyst unit 30 is connected with the front end of multi-catalyst unit 40.It addition,
Jet chamber 55 forms reducing agent injection to space therein.That is, reducing agent passes through ejector 50
It is injected in the jet chamber 55 between reducing catalyst unit 30 and multi-catalyst unit 40.Separately
Outward, jet chamber 55 can be a part for exhaustor 12.
Reducing catalyst unit 30 and multi-catalyst unit 40 are by using injection to jet chamber 55
In reducing agent carry out nitrogen oxides reduction.
Fig. 4 is the exhaust gas purification system for vehicle illustrating the exemplary embodiment according to the present invention
The curve chart of the effect of system.
The transverse axis of curve represents with time as unit second (s), and the longitudinal axis of curve represent with
It degree Celsius it is the temperature of unit.It addition, as the curve shown in solid in curve chart represents diesel oil
Machine oxidation catalyst unit 20 or purification of nitrogen oxides device 25 and reducing catalyst unit 30
Variations in temperature over time, and the curve as shown in the dotted line in curve chart represents many catalysis
Agent unit 40 variations in temperature over time.In this article, diesel oxidation catalyst unit 20,
Purification of nitrogen oxides device 25, reducing catalyst unit 30 and the temperature of multi-catalyst unit 40
Temperature of exhaust gas according to electromotor 10 and change, and 0s can be when electromotor 10 opens
Time time dynamic.
As shown in Figure 4, diesel oxidation catalyst unit 20 or purification of nitrogen oxides device
25 and the temperature of reducing catalyst unit 30 can reach 200 DEG C when about 200s, and
The temperature of multi-catalyst unit 40 can reach 200 DEG C when about 800s.This is due to diesel oil
Machine oxidation catalyst unit 20 or purification of nitrogen oxides device 25 and reducing catalyst unit 30
It is set to compared with multi-catalyst unit 40 near electromotor 10 (seeing Fig. 1 to Fig. 3).
In this article, 200 DEG C can be reducing agent injection and the mark of reduction efficiency according to reducing agent injection
Standardization temperature.Therefore, reducing catalyst unit 30 is arranged to diesel oxidation catalyst unit 20
Or the combination of purification of nitrogen oxides device 25, compared with the combination with multi-catalyst unit 40,
Can easily and effectively purify nitrogen oxides.
According to the exemplary embodiment of the present invention, owing to reducing catalyst unit 30 is arranged on diesel oil
The rear end of machine oxidation catalyst unit 20, it is possible to prevent by going back that ejector 50 sprays
Former dose contacts with diesel oxidation catalyst unit 20.Therefore, it can application and there is bigger injection
The ejector at angle, and the additional components of such as blender can not be included.Additionally, due to reduction
Catalyst elements 30 is arranged on the rear end of diesel oxidation catalyst unit 20 so that reduction is urged
Agent unit 30 is near electromotor 10, it is possible to easily heated by high-temperature discharge gas
Reducing catalyst unit 30, and the performance purifying nitrogen oxides can be improved.
Although describing the present invention already in connection with being presently considered as the exemplary embodiment being actual, but
It is to it should be understood that to the invention is not restricted to the disclosed embodiments, on the contrary, it is contemplated that
Cover the various modification and equivalent arrangements shape being included in the spirit and scope that appended right is asked
Formula.
Claims (10)
1. for an emission control system for vehicle, comprising:
Diesel oxidation catalyst unit, it is installed to exhaustor, is formed as starting for discharge
Machine discharge gas and will discharge gas in fractions oxidation;And
Multi-catalyst unit, it is connected with the rear end of described diesel oxidation catalyst unit, pacifies
It is filled to described exhaustor, and is adjusted in diesel particulate filter formation oxidation catalysis
Agent and selective reduction catalyst, described diesel particulate filter is used for trapping and the row of purification
Particulate matter in venting body,
Wherein, reducing agent is injected in described diesel oxidation catalyst unit and described multi-catalyst
Between unit.
2. the emission control system for vehicle as claimed in claim 1, also includes that reduction is urged
Agent unit, it is arranged on the rear end of described diesel oxidation catalyst unit, and the row of reduction
Fractions in venting body.
3. the emission control system for vehicle as claimed in claim 2, wherein, described also
Former dose is injected in described diesel oxidation catalyst unit and described multi-catalyst list by ejector
Between unit.
4. the emission control system for vehicle as claimed in claim 3, also includes jet chamber,
It is a part for described exhaustor, is urged with described by described diesel oxidation catalyst unit more
Agent unit connects, and forms the space for being sprayed described reducing agent by described ejector.
5. the emission control system for vehicle as claimed in claim 4, wherein, described also
Raw catalyst unit and described multi-catalyst unit are by using the institute in injection extremely described jet chamber
State reducing agent reduce discharge gas in fractions.
6. for an emission control system for vehicle, comprising:
Purification of nitrogen oxides device, it is installed to exhaustor, is formed as discharging electromotor
Discharge gas and absorption the nitrogen oxides in discharge gas that reduces;And
Multi-catalyst unit, after it is by described exhaustor and described purification of nitrogen oxides device
End connects, and is adjusted in diesel particulate filter formation oxidation catalyst and selection
Property reducing catalyst, described diesel particulate filter for trapping and purify discharge gas in
Particulate matter,
Wherein, reducing agent is injected in described purification of nitrogen oxides device and described multi-catalyst unit
Between.
7. the emission control system for vehicle as claimed in claim 6, also includes that reduction is urged
Agent unit, it is arranged on the rear end of described purification of nitrogen oxides device, and reduces discharge gas
Fractions in body.
8. the emission control system for vehicle as claimed in claim 7, wherein, described also
Former dose by ejector be injected in described purification of nitrogen oxides device and described multi-catalyst unit it
Between.
9. the emission control system for vehicle as claimed in claim 8, also includes jet chamber,
It is a part for described exhaustor, by described purification of nitrogen oxides device and described multi-catalyst
Unit connects, and forms the space being sprayed described reducing agent by described ejector.
10. the emission control system for vehicle as claimed in claim 9, wherein, discharge
Fractions in gas, by the described reducing agent in injection to described jet chamber, is gone back described
Raw catalyst unit and described multi-catalyst unit reduce.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020140151235A KR101628098B1 (en) | 2014-11-03 | 2014-11-03 | Exhaust gas purification system for vehicle |
KR10-2014-0151235 | 2014-11-03 |
Publications (2)
Publication Number | Publication Date |
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CN106150622A true CN106150622A (en) | 2016-11-23 |
CN106150622B CN106150622B (en) | 2019-09-27 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201510190815.5A Active CN106150622B (en) | 2014-11-03 | 2015-04-21 | Emission control system for vehicle |
Country Status (3)
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KR (1) | KR101628098B1 (en) |
CN (1) | CN106150622B (en) |
DE (1) | DE102015106947A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114320539A (en) * | 2020-10-10 | 2022-04-12 | 长城汽车股份有限公司 | Automobile exhaust aftertreatment device and automobile |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101818417B1 (en) | 2016-09-23 | 2018-01-15 | 한국전력공사 | Exhaust gas purification apparatus and method for purifying exhaust gas using the same |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101171407A (en) * | 2005-09-16 | 2008-04-30 | 丰田自动车株式会社 | Exhaust gas clean-up device for internal combustion engine |
CN101395348A (en) * | 2006-03-03 | 2009-03-25 | 戴姆勒股份公司 | Exhaust gas aftertreatment system and exhaust gas cleaning method |
CN101476501A (en) * | 2008-01-03 | 2009-07-08 | 通用汽车环球科技运作公司 | Exhaust system with improved NOx emission control |
CN100538037C (en) * | 2004-07-16 | 2009-09-09 | 日产柴油机车工业株式会社 | The Exhaust gas purifying device of motor |
CN102052125A (en) * | 2009-11-02 | 2011-05-11 | 现代自动车株式会社 | Exhaust system |
CN102325971A (en) * | 2009-02-20 | 2012-01-18 | 赫多特普索化工设备公司 | Method for purification of exhaust gas from a diesel engine |
CN102562230A (en) * | 2010-12-09 | 2012-07-11 | 现代自动车株式会社 | Exhaust gas post processing system |
CN103726914A (en) * | 2012-10-11 | 2014-04-16 | 现代自动车株式会社 | Exhaust gas purification system for vehicle and regeneration control method thereof |
CN103806989A (en) * | 2012-11-12 | 2014-05-21 | 现代自动车株式会社 | Exhaust gas purification system of vehicle |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100769571B1 (en) | 2007-05-29 | 2007-10-23 | 한국기계연구원 | Harmfulness matter reduction system of diesel engine |
KR20110024598A (en) * | 2009-09-02 | 2011-03-09 | 현대자동차주식회사 | Nox reduction device for diesel vehicles |
-
2014
- 2014-11-03 KR KR1020140151235A patent/KR101628098B1/en active IP Right Grant
-
2015
- 2015-04-21 CN CN201510190815.5A patent/CN106150622B/en active Active
- 2015-05-05 DE DE102015106947.4A patent/DE102015106947A1/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100538037C (en) * | 2004-07-16 | 2009-09-09 | 日产柴油机车工业株式会社 | The Exhaust gas purifying device of motor |
CN101171407A (en) * | 2005-09-16 | 2008-04-30 | 丰田自动车株式会社 | Exhaust gas clean-up device for internal combustion engine |
CN101395348A (en) * | 2006-03-03 | 2009-03-25 | 戴姆勒股份公司 | Exhaust gas aftertreatment system and exhaust gas cleaning method |
CN101476501A (en) * | 2008-01-03 | 2009-07-08 | 通用汽车环球科技运作公司 | Exhaust system with improved NOx emission control |
CN102325971A (en) * | 2009-02-20 | 2012-01-18 | 赫多特普索化工设备公司 | Method for purification of exhaust gas from a diesel engine |
CN102052125A (en) * | 2009-11-02 | 2011-05-11 | 现代自动车株式会社 | Exhaust system |
CN102562230A (en) * | 2010-12-09 | 2012-07-11 | 现代自动车株式会社 | Exhaust gas post processing system |
CN103726914A (en) * | 2012-10-11 | 2014-04-16 | 现代自动车株式会社 | Exhaust gas purification system for vehicle and regeneration control method thereof |
CN103806989A (en) * | 2012-11-12 | 2014-05-21 | 现代自动车株式会社 | Exhaust gas purification system of vehicle |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114320539A (en) * | 2020-10-10 | 2022-04-12 | 长城汽车股份有限公司 | Automobile exhaust aftertreatment device and automobile |
CN114320539B (en) * | 2020-10-10 | 2022-12-27 | 长城汽车股份有限公司 | Automobile exhaust aftertreatment device and automobile |
Also Published As
Publication number | Publication date |
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KR101628098B1 (en) | 2016-06-08 |
CN106150622B (en) | 2019-09-27 |
DE102015106947A1 (en) | 2016-05-04 |
KR20160051359A (en) | 2016-05-11 |
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