WO2022126170A1 - Verfahren zum betrieb eines partikelfilters unter berücksichtigung der aschemenge - Google Patents
Verfahren zum betrieb eines partikelfilters unter berücksichtigung der aschemenge Download PDFInfo
- Publication number
- WO2022126170A1 WO2022126170A1 PCT/AT2021/060479 AT2021060479W WO2022126170A1 WO 2022126170 A1 WO2022126170 A1 WO 2022126170A1 AT 2021060479 W AT2021060479 W AT 2021060479W WO 2022126170 A1 WO2022126170 A1 WO 2022126170A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- particle filter
- ash
- exhaust gas
- internal combustion
- combustion engine
- Prior art date
Links
- 239000002245 particle Substances 0.000 title claims abstract description 119
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000002485 combustion reaction Methods 0.000 claims abstract description 37
- 239000000446 fuel Substances 0.000 claims abstract description 17
- 239000000314 lubricant Substances 0.000 claims abstract description 16
- 230000008929 regeneration Effects 0.000 claims abstract description 10
- 238000011069 regeneration method Methods 0.000 claims abstract description 10
- 239000007789 gas Substances 0.000 claims description 50
- 230000003197 catalytic effect Effects 0.000 claims description 18
- 239000004071 soot Substances 0.000 claims description 15
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 12
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 9
- 230000003647 oxidation Effects 0.000 claims description 8
- 238000007254 oxidation reaction Methods 0.000 claims description 8
- 229910021529 ammonia Inorganic materials 0.000 claims description 6
- 239000003054 catalyst Substances 0.000 description 7
- 238000011144 upstream manufacturing Methods 0.000 description 5
- 238000009530 blood pressure measurement Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000001960 triggered effect Effects 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
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
- F01N11/002—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the exhaust apparatus
-
- 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
- F01N9/00—Electrical control of exhaust gas treating apparatus
- F01N9/002—Electrical control of exhaust gas treating apparatus of filter regeneration, e.g. detection of clogging
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/006—Indicating maintenance
-
- 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
- F01N2550/00—Monitoring or diagnosing the deterioration of 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
- F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
- F01N2550/04—Filtering activity of 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
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/06—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a temperature sensor
-
- 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
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/08—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a pressure sensor
-
- 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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
- F01N2900/1611—Particle filter ash amount
-
- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Definitions
- the invention relates to a method according to the preamble of independent patent claim 1 . Furthermore, the invention relates to an arrangement and a control unit which are set up to carry out the method according to the invention. In addition, the invention relates to a vehicle comprising the arrangement according to the invention.
- the object of the invention is to overcome the disadvantages of the prior art.
- the object of the invention is to create a method for operating a particle filter, taking into account the amount of ash in the particle filter.
- the amount of ash in the particle filter should be easily and reliably determinable with the method.
- the invention relates in particular to a method for operating a particle filter, taking into account the amount of ash in a particle filter and/or for determining the amount of ash in a particle filter of an exhaust aftertreatment system of an internal combustion engine.
- lubricants from the internal combustion engine and/or fuel are at least partially converted to ash. If necessary, a first ash value is calculated based on the fuel and/or lubricant consumption of the internal combustion engine.
- a differential pressure per exhaust gas volume flow is particularly preferably always determined and calculated, with a second ash value being determined from this.
- the amount of ash in the particle filter is preferably determined from the first and the second ash value.
- a status device in particular an engine control light, is particularly preferably activated when the specific amount of ash exceeds a predetermined value, which may inform the driver about the status of his exhaust gas aftertreatment system, in particular the status of the particle filter.
- the status device can in particular also be designed as a service display.
- the amount of ash, in particular the ash load, of the particle filter can be determined in grams using the method according to the invention.
- the effective volume of the particle filter can be calculated according to the following rule:
- Veff VpF ⁇ ⁇ ash
- Vetf is the effective volume of the particulate filter
- VPF is the volume of the particulate filter
- VAsche is the volume of ash in the particulate filter.
- the volume of the ash can be determined from the amount of ash.
- a soot loading of the filter can be given in grams per liter of effective volume. This brings the benefit of taking action thermal management can always be triggered at a certain relative soot load, although the effective volume and the absolute soot load are smaller.
- the particle filter can preferably be a diesel particle filter, a so-called DPF, or a petrol engine particle filter, a so-called OPF or GPF.
- the first ash value can be determined, in particular exclusively, based on the operating point of the internal combustion engine, preferably continuously.
- the first ash value can be determined, in particular exclusively, on the basis of measurement data from the internal combustion engine, preferably continuously.
- the first ash value can be determined, in particular exclusively, on the basis of the engine oil used in the internal combustion engine and/or the fuel consumption of the internal combustion engine, preferably continuously.
- a so-called first ash collection factor is taken into account when determining the first ash value. If necessary, the exhaust gas mass flow and/or the exhaust gas volume flow and/or the exhaust gas temperature are taken into account when determining the first ash collecting factor.
- the second ash value can be determined, in particular exclusively, on the basis of the determined differential pressure of the particle filter, in particular the differential pressure across the particle filter.
- the second ash value is particularly preferably determined on the basis of the differential pressure and the exhaust gas volume flow.
- a so-called flow resistance which is proportional to a soot load, is determined from a ratio between the differential pressure and the exhaust gas volume flow (dP/exhaust gas volume flow). The soot loading is thus determined in a simple manner.
- a so-called second ash collection factor is taken into account when determining the second ash value.
- the exhaust gas volume flow and/or the exhaust gas temperature is taken into account.
- the first and the second ash collection factor are identical.
- the amount of ash in the particle filter can be determined taking into account the fuel and/or lubricant consumption of the internal combustion engine and the first ash value calculated on the basis of the differential pressure, particularly preferably based on the differential pressure per exhaust gas volume flow.
- a status device in particular a check engine light, is activated when the specific amount of ash in the particle filter exceeds a previously specified value. In this way, the driver can be informed about the status of the exhaust aftertreatment system, in particular about the status of the particle filter.
- no status device in particular no check engine light, is activated if the specific amount of ash in the particle filter falls below a predetermined value or corresponds to this predetermined value.
- status information on the function of the exhaust aftertreatment system is output by means of the status device, in particular the engine control light, a so-called MIL lamp - "Malfunction Indicator Light" of a vehicle, whereby the driver is informed about the status of the functionality of the exhaust aftertreatment system, in particular the functionality of the particle filter, is informed.
- the status information on the function of the exhaust aftertreatment system is output by means of information from a warning lamp and/or a message in a vehicle display and/or an acoustic message, whereby the driver is informed about the status of the functionality of the exhaust aftertreatment system, in particular the Functionality of the particle filter, is informed.
- the status device can be a warning lamp, in particular an engine control lamp. If necessary, the status device can output a message in a display of a vehicle and/or an acoustic message.
- the internal combustion engine can be an internal combustion engine of a motor vehicle, in particular a diesel engine or an Otto engine.
- the method steps can be carried out once, never or several times during the operation of a vehicle.
- the method according to the invention is executed in an automated manner, in particular in a controlled and/or regulated manner by a control unit of the motor vehicle.
- the effective volume of the particle filter can be understood to mean the volume that is free of ash. In other words, the effective volume can be available for the filtration of soot and/or ash if necessary.
- the determination of the differential pressure of the particle filter can be understood as the determination of the differential pressure across the particle filter.
- the differential pressure of the particle filter or the differential pressure across the particle filter by determining the pressure, in particular of the pressure difference before and after the particle filter can be determined.
- a differential pressure per exhaust gas volume flow is particularly preferably always determined and calculated.
- the differential pressure across the particle filter is determined when the soot load in the particle filter is essentially zero.
- the differential pressure per exhaust gas volume flow across the particle filter is particularly preferably determined when the soot load in the particle filter is essentially zero.
- the differential pressure across the particle filter is determined when the particle filter is essentially free of soot. It is particularly preferred that the differential pressure per exhaust gas volume flow across the particle filter is determined when the particle filter is essentially free of soot.
- the second ash value is determined by measuring the differential pressure across the particle filter.
- the second ash value is determined when the particle filter is free of soot.
- the differential pressure measurement is in particular a differential pressure measurement per exhaust gas volume flow, for which purpose a differential pressure determination unit is provided in particular.
- the second ash value is determined when the exhaust gas mass flow is in the range from 100 kg/h up to and including 2000 kg/h.
- the second ash value is determined on the basis of the differential pressure across the particle filter at operating points of the particle filter, in particular after regeneration of the particle filter, if the differential pressure corresponds to the amount of ash in the particle filter. In this case, in particular, a differential pressure per exhaust gas volume flow is again determined.
- the second ash value is determined if the amount of ash in the particle filter can be determined via the measured differential pressure. If necessary, provision is made for the differential pressure across the particle filter to be determined when the exhaust gas mass flow is in the range from 100 kg/h to 2000 kg/h, in particular in the range from 500 kg/h up to and including 1000 kg/h. In principle, these values depend on a filter resistance and can vary accordingly.
- the exhaust gas aftertreatment system comprises several exhaust gas aftertreatment components, such as in particular a three-way catalytic converter, a diesel oxidation catalytic converter, the particle filter, a NOx storage catalytic converter, a catalytic converter for the selective reduction of nitrogen oxides and/or an ammonia slip catalytic converter.
- exhaust gas aftertreatment components such as in particular a three-way catalytic converter, a diesel oxidation catalytic converter, the particle filter, a NOx storage catalytic converter, a catalytic converter for the selective reduction of nitrogen oxides and/or an ammonia slip catalytic converter.
- the exhaust gas and/or ash escaping from the internal combustion engine flow at least partially through the exhaust gas aftertreatment components, in particular the particle filter.
- the second ash value is calculated according to the following rule:
- A2 A m2 x F 2 where i4 2 is the second ash value, A m2 that based on the pressure drop across the
- ash value remain in the particle filter. However, it is advantageous if only the ash in the filter is measured when calculating the differential pressure, but not the raw ash from the engine. The ash value calculated on the basis of the pressure loss is then already A2, since only the ash that is in the filter can generate a differential pressure.
- a so-called ash collection factor namely the value Fi and/or F2 is taken into account when determining the first and/or the second ash value.
- the exhaust gas volume flow and/or the exhaust gas temperature are taken into account when determining the ash collection factor.
- the exhaust gas temperature in particular after exiting the internal combustion engine and/or upon entry into the particle filter, to be taken into account when calculating the first and/or the second ash value. It is particularly advantageous if a temperature upstream of the particle filter or a filter substrate temperature model is used for the calculation.
- the temperature of the particle filter is taken into account when calculating the first and/or the second ash value.
- the regeneration of the particle filter with oxygen takes place at a particle filter temperature of greater than 480° C., in particular greater than 580° C.
- the invention relates to an arrangement, the arrangement comprising an internal combustion engine and an exhaust gas aftertreatment system.
- the exhaust gas aftertreatment system comprises at least one exhaust gas aftertreatment component, in particular a particle filter.
- lubricant and/or fuel are at least partially converted to ash during operation of the internal combustion engine. It will be there assume that the lubricant has a greater impact on an ash amount than the fuel.
- the exhaust gas aftertreatment system includes a pressure measuring device, which is set up to measure the differential pressure of the particle filter, in particular across the particle filter.
- a differential pressure per exhaust gas volume flow is advantageously determined by measuring the differential pressure.
- the or one pressure measuring device comprises two pressure measuring devices, the first pressure measuring device being arranged upstream of the particle filter and the second pressure measuring device being arranged downstream of the particle filter.
- the exhaust aftertreatment system advantageously also includes a diesel oxidation catalytic converter, which is arranged upstream of the particle filter designed as a diesel particle filter. It is favorable here if the first pressure measuring device is arranged upstream of the diesel oxidation catalytic converter and the second pressure measuring device is arranged downstream of the particle filter.
- the pressure measuring device is advantageously designed and arranged to determine a differential pressure per exhaust gas volume flow.
- the differential pressure across the particle filter can be determined via the pressure measuring device.
- the pressure measurement device can be used to determine the pressure difference, in particular the differential pressure, before and after the particle filter or, as described above, before and after the particle filter and another exhaust gas aftertreatment device arranged upstream of the particle filter.
- the invention relates to a control device for the exhaust gas aftertreatment system of an internal combustion engine.
- the control unit is preferably set up to carry out the method according to the invention.
- the invention relates to a vehicle, the vehicle comprising an arrangement according to the invention.
- the arrangement according to the invention can advantageously also be designed as a stationary system or a stationary system can include a corresponding arrangement.
- a stationary system can be designed as a generator, for example.
- FIG. 1 shows a schematic graphic representation of a first embodiment of the method according to the invention
- Fig. 2 shows a schematic diagram of a first embodiment of the arrangement according to the invention
- FIG. 3 shows a schematic diagram of a second embodiment of the arrangement according to the invention.
- Figure 1 shows a schematic graphic representation of a first embodiment of the method according to the invention for operating a particle filter 3, taking into account the amount of ash in a particle filter 3 and/or for determining the amount of ash in a particle filter 3 of an exhaust gas aftertreatment system 2 of an internal combustion engine 1.
- fuel and/or lubricant is at least partially converted to ash during operation of the internal combustion engine 1 .
- This ash then flows at least partially through the exhaust gas aftertreatment system 2 of the internal combustion engine 1 , which includes a particle filter 3 .
- a first ash value is calculated 14 on the basis of the fuel and/or lubricant consumption of the internal combustion engine 1.
- the particle filter is regenerated 15 in the course of the method.
- the particle filter 3 is regenerated with oxygen at a particle filter temperature of greater than 480° C., in particular greater than 580° C. However, regeneration is not absolutely necessary.
- the differential pressure across the particle filter 3 is determined and the second ash value is calculated on the basis of the differential pressure 16.
- the differential pressure across the particle filter 3 is determined when the soot load in the particle filter 3 is essentially zero and/or when the particle filter 3 is essentially free of soot. As a result, the amount of ash present in the particle filter 3 can be inferred from the determined differential pressure.
- the second ash value is calculated according to the following rule:
- ⁇ 2 ⁇ m2 X ⁇ 2
- i4 2 is the second ash value
- a m2 is the ash value calculated based on the pressure loss across the particle filter 3
- F 2 indicates what percentage of the calculated ash value remains in the particle filter 3.
- the differential pressure is determined via the particle filter 3 when the exhaust gas mass flow is more than 100 kg/h.
- the exhaust gas temperature and/or the temperature of the particle filter 3 are taken into account.
- the amount of ash in the particle filter is then determined from the first and second ash value 17.
- a status device in particular an engine warning light, is activated 21 , which informs the driver about the status of the exhaust aftertreatment system 2 .
- the status device in particular the check engine light, will not be activated 20.
- FIG. 2 shows a schematic graphic representation of a first embodiment of the arrangement according to the invention.
- the arrangement comprises a
- the exhaust aftertreatment system 2 includes a particle filter 3.
- the arrangement according to the first embodiment is set up to carry out the method according to the invention.
- the method according to the invention is executed in a regulated and/or controlled manner by a control unit (not shown).
- the arrangement also includes a pressure measuring device, which is set up to measure the differential pressure across the particle filter 3 .
- the pressure measuring device comprises two pressure measuring devices, the first pressure measuring device 4 being arranged in front of the particle filter 3 and the second pressure measuring device 5 being arranged after the particle filter 3 .
- the status information on the function of the exhaust aftertreatment system 2 is output by means of a status device, in particular an MIL lamp - "Malfunction Indicator Light - engine control light" - of a vehicle, a display and/or an acoustic signal, whereby the driver Status of the functionality of the exhaust aftertreatment system 2, in particular the functionality of the particulate filter 3, is informed.
- a status device in particular an MIL lamp - "Malfunction Indicator Light - engine control light" - of a vehicle, a display and/or an acoustic signal, whereby the driver Status of the functionality of the exhaust aftertreatment system 2, in particular the functionality of the particulate filter 3, is informed.
- FIG. 3 shows a schematic graphic representation of a second embodiment of the arrangement according to the invention.
- the features of the second embodiment according to FIG. 3 can preferably correspond to the features of the first embodiment according to FIG.
- the arrangement according to the second embodiment is set up to carry out the method according to the invention.
- the method according to the invention is executed in a regulated and/or controlled manner by a control unit (not shown).
- the arrangement comprises an internal combustion engine 1 and an exhaust gas aftertreatment system 2.
- the exhaust aftertreatment system 2 comprises a diesel oxidation catalyst 22, a so-called DOC, a diesel particulate filter, a so-called DPF, a catalyst which is set up for the selective reduction of nitrogen oxides, a so-called SCR catalyst 23, and an ammonia slip catalyst 24, a so-called ASC.
- a first temperature measuring device 6 and a so-called HC meter 7 are arranged between the internal combustion engine 1 and the diesel oxidation catalytic converter 22 .
- a second temperature device 8 and a first pressure measuring device 4 are arranged between the diesel oxidation catalytic converter 22 and the diesel particle filter.
- a second pressure measuring device 5 , a first NOx measuring device 9 , a third temperature measuring device 10 and a so-called AdBlue meter 11 are arranged between the diesel particle filter and the SCR catalytic converter 23 .
- the ammonia slip catalytic converter 24 is arranged after the SCR catalytic converter 23 .
- a fourth temperature measuring device 12 and a second NOx measuring device 13 are arranged downstream of the ammonia slip catalytic converter 24 .
- the pressure measuring device comprises the first and the second pressure measuring device 4, 5, which is set up to measure the differential pressure across the particle filter 3.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112021006452.5T DE112021006452A5 (de) | 2020-12-16 | 2021-12-15 | Verfahren zum Betrieb eines Partikelfilters unter Berücksichtigung der Aschemenge |
US18/267,790 US12123331B2 (en) | 2020-12-16 | 2021-12-15 | Method for operating a particle filter taking the ash quantity into consideration |
CN202180078385.1A CN116635613A (zh) | 2020-12-16 | 2021-12-15 | 用于在考虑灰量的情况下操作微粒过滤器的方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA51099/2020 | 2020-12-16 | ||
ATA51099/2020A AT524645B1 (de) | 2020-12-16 | 2020-12-16 | Verfahren zum Betrieb eines Partikelfilters unter Berücksichtigung der Aschemenge |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022126170A1 true WO2022126170A1 (de) | 2022-06-23 |
Family
ID=79686798
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AT2021/060479 WO2022126170A1 (de) | 2020-12-16 | 2021-12-15 | Verfahren zum betrieb eines partikelfilters unter berücksichtigung der aschemenge |
Country Status (4)
Country | Link |
---|---|
CN (1) | CN116635613A (de) |
AT (1) | AT524645B1 (de) |
DE (1) | DE112021006452A5 (de) |
WO (1) | WO2022126170A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US12123331B2 (en) | 2020-12-16 | 2024-10-22 | Avl List Gmbh | Method for operating a particle filter taking the ash quantity into consideration |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010062872A1 (en) * | 2008-11-26 | 2010-06-03 | Corning Incorporated | Systems and methods for estimating particulate load in a particulate filter |
US20120047876A1 (en) * | 2010-09-01 | 2012-03-01 | Hyundai Motor Company | Exhaust gas post processing method and system |
DE102015117473A1 (de) * | 2015-05-08 | 2016-11-10 | Hyundai Motor Company | Steuerverfahren zum Informieren eines Fahrers, wenn ein Diesel-Partikelfilter gereinigt werden soll |
DE112016004177T5 (de) * | 2015-09-15 | 2018-05-30 | Kabushiki Kaisha Toyota Jidoshokki | Abgasreinigungsvorrichtung |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4048993B2 (ja) * | 2003-04-08 | 2008-02-20 | 日産自動車株式会社 | エンジンの排気浄化装置 |
DE102004033412A1 (de) * | 2004-07-10 | 2006-02-02 | Robert Bosch Gmbh | Verfahren zum Betreiben eines in einem Abgasbereich einer Brennkraftmaschine angeordneten Partikelfilters und Vorrichtung zur Durchführung des Verfahrens |
-
2020
- 2020-12-16 AT ATA51099/2020A patent/AT524645B1/de active
-
2021
- 2021-12-15 DE DE112021006452.5T patent/DE112021006452A5/de active Pending
- 2021-12-15 WO PCT/AT2021/060479 patent/WO2022126170A1/de active Application Filing
- 2021-12-15 CN CN202180078385.1A patent/CN116635613A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010062872A1 (en) * | 2008-11-26 | 2010-06-03 | Corning Incorporated | Systems and methods for estimating particulate load in a particulate filter |
US20120047876A1 (en) * | 2010-09-01 | 2012-03-01 | Hyundai Motor Company | Exhaust gas post processing method and system |
DE102015117473A1 (de) * | 2015-05-08 | 2016-11-10 | Hyundai Motor Company | Steuerverfahren zum Informieren eines Fahrers, wenn ein Diesel-Partikelfilter gereinigt werden soll |
DE112016004177T5 (de) * | 2015-09-15 | 2018-05-30 | Kabushiki Kaisha Toyota Jidoshokki | Abgasreinigungsvorrichtung |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US12123331B2 (en) | 2020-12-16 | 2024-10-22 | Avl List Gmbh | Method for operating a particle filter taking the ash quantity into consideration |
Also Published As
Publication number | Publication date |
---|---|
AT524645B1 (de) | 2022-11-15 |
CN116635613A (zh) | 2023-08-22 |
US20240093625A1 (en) | 2024-03-21 |
AT524645A1 (de) | 2022-07-15 |
DE112021006452A5 (de) | 2023-09-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1336039B1 (de) | Verfahren und vorrichtung zur steuerung eines abgasnachbehandlungssystems | |
DE602004008862T2 (de) | Verfahren zur Aktivierung der Regeneration eines Partikelfilters auf Basis von der Schätzung des in dem Partikelfilter angesammelten Partikelmenge | |
EP1602807B1 (de) | Verfahren zur Überwachung eines Partikelfilters | |
DE102013214757B4 (de) | Verfahren zur Korrektur einer Rußmassenschätzung in einer Abgasnachbehandlungsvorrichtung eines Fahrzeugs sowie System zum Überwachen eines Partikelfilters einer Abgasnachbehandlungsvorrichtung eines Fahrzeugs | |
EP2232255B1 (de) | VERFAHREN ZUR ERMITTLUNG DER RUßOXIDATIONSRATE VON IN EINEM PARTIKELFILTER ZURÜCKHALTENEM RUß | |
DE102013223993B4 (de) | Verfahren zum ermitteln einer alterung eines dieseloxidationskatalysators | |
DE102007059523B4 (de) | Verfahren und Vorrichtung zur Diagnose eines Partikelfilters | |
DE102016122849A1 (de) | Rußbeladungsschätzung während der Leerlaufleistung oder Niedriglast | |
WO2018177897A1 (de) | Verfahren und computerprogrammprodukt zur diagnose eines partikelfilters | |
DE102007006489A1 (de) | Verfahren zur Diagnose eines in einem Abgasbereich einer Brennkraftmaschine angeordneten Abgassensors und Vorrichtung zur Durchführung des Verfahrens | |
DE102013012575A1 (de) | Verfahren und Vorrichtung zur Ermittlung des Wirkungsgrades einer Abgasreinigungsvorrichtung | |
DE102012207247A1 (de) | Wirkungsgradbestimmung für einen katalysator für selektive katalytische reduktion | |
DE102011000153A1 (de) | Verfahren zur Diagnose einer Abgasnachbehandlung | |
DE102004033412A1 (de) | Verfahren zum Betreiben eines in einem Abgasbereich einer Brennkraftmaschine angeordneten Partikelfilters und Vorrichtung zur Durchführung des Verfahrens | |
DE112013003836B4 (de) | Verfahren und System zum Feststellen einer Sensorfunktion für einen PM-Sensor | |
DE102013222308A1 (de) | Vorhersage eines Durchsatzes von den Motor verlassendem Ruß | |
EP1364111B1 (de) | Verfahren und vorrichtung zur ermittlung einer temperaturgrösse | |
DE102012203196B4 (de) | System zur Diagnose für Kohlenwasserstoffumwandlung | |
AT524645B1 (de) | Verfahren zum Betrieb eines Partikelfilters unter Berücksichtigung der Aschemenge | |
AT521736B1 (de) | Verfahren zur Funktionsüberprüfung einer Temperatursensor-Anordnung | |
DE102017218307B4 (de) | Verfahren zum Betreiben eines Dieselmotors mit Dieselpartikelfilter | |
EP4095363B1 (de) | Verfahren zum erkennen einer regenerationsnotwendigkeit für einen abgaspartikelfilter sowie abgasanlage | |
DE112013003885B4 (de) | Verfahren und System zum Festlegen einer Sensorfunktion für einen PM-Sensor | |
DE102014211902B4 (de) | Verfahren zur Zustandsüberwachung eines Partikelfilters, Abgasanlage und Messvorrichtung | |
AT520896B1 (de) | Verfahren zur Funktionsüberprüfung einer Abgasnachbehandlungsanlage |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 21844175 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 202180078385.1 Country of ref document: CN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 18267790 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 112021006452 Country of ref document: DE |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: R225 Ref document number: 112021006452 Country of ref document: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 21844175 Country of ref document: EP Kind code of ref document: A1 |