EP4581250A1 - Verfahren zum betreiben einer antriebseinrichtung für ein kraftfahrzeug sowie entsprechende antriebseinrichtung - Google Patents
Verfahren zum betreiben einer antriebseinrichtung für ein kraftfahrzeug sowie entsprechende antriebseinrichtungInfo
- Publication number
- EP4581250A1 EP4581250A1 EP23767819.8A EP23767819A EP4581250A1 EP 4581250 A1 EP4581250 A1 EP 4581250A1 EP 23767819 A EP23767819 A EP 23767819A EP 4581250 A1 EP4581250 A1 EP 4581250A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- exhaust gas
- aftertreatment device
- gas aftertreatment
- starting material
- value
- 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.)
- Pending
Links
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
- F01N9/00—Electrical control of exhaust gas treating 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
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment 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
- F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
-
- 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
- F01N2550/02—Catalytic activity 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
- F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
- F01N2550/03—Monitoring or diagnosing the deterioration of exhaust systems of sorbing activity of adsorbents or absorbents
-
- 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
- F01N2900/04—Methods of control or diagnosing
- F01N2900/0422—Methods of control or diagnosing measuring the elapsed time
-
- 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
- F01N2900/14—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
- F01N2900/1402—Exhaust gas composition
-
- 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
-
- 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
Definitions
- the invention relates to a method for operating a drive device for a motor vehicle, which has a drive unit that generates exhaust gas and an exhaust gas aftertreatment device for aftertreatment of the exhaust gas.
- the invention further relates to a drive device for a motor vehicle.
- the publication DE 10 2004 017 274 A1 is known from the prior art.
- This describes a method for diagnosing emissions in a multi-row emissions system, the method comprising the steps of: obtaining a plurality of emissions measurements, each of the measurements corresponding to a row of the multi-row emissions system; converting each measurement into a scaled value as a percentage of a threshold; adding the scaled values to obtain a total emissions value for the multi-row emissions system; and triggering an alert when the total emissions value exceeds the threshold.
- a first value of an aging variable describing its state is determined and for at least one exhaust gas component of the exhaust gas from a first starting material fraction of the exhaust gas component present downstream of the exhaust gas aftertreatment device, a second starting material fraction is determined, which at a Replacing the exhaust gas aftertreatment device with another exhaust gas aftertreatment device that is identical in construction and has a second value of the aging variable that is different from the first value would or will occur.
- the drive device serves to drive the motor vehicle, i.e. to provide a drive torque aimed at driving the motor vehicle.
- the drive device has the drive unit.
- the drive unit is supplied with fuel and fresh gas at least temporarily during operation of the drive device, the fresh gas containing fresh air at least temporarily.
- the fresh gas can have exhaust gas, provided that exhaust gas recirculation is implemented, in which the exhaust gas generated by the drive unit is at least partially returned to the drive unit, namely as a component of the fresh gas.
- the fuel and the fresh gas that are supplied to the drive unit form a fuel-fresh gas mixture with a specific composition, which is reacted in the drive unit.
- exhaust gas is produced, which is discharged towards an external environment of the drive device or the motor vehicle. Since pollutants are contained in the exhaust gas generated by the drive unit, the exhaust gas is first fed to the exhaust gas aftertreatment device before being released into the external environment. In the exhaust gas aftertreatment device, the pollutants are at least partially converted into less dangerous products. Only after passing through the exhaust gas aftertreatment device is the exhaust gas discharged into the outside environment.
- the state of the exhaust gas aftertreatment device can be determined, for example, by first determining the storage capacity, in particular the oxygen storage capacity or the ammonia storage capacity, of the exhaust gas aftertreatment device.
- the status can be derived from this.
- a defect in the exhaust gas aftertreatment device is detected as soon as the storage capacity falls below a capacity threshold.
- the calculation variable contained in the reaction equation is determined depending on the storage capacity of the exhaust gas aftertreatment device.
- the accuracy of the determined starting material proportion is significantly increased.
- the reaction equation is adjusted towards higher reaction speeds the larger the storage capacity.
- the reaction equation is adjusted towards smaller reaction speeds the smaller the storage capacity is. Consequently, aging of the exhaust gas aftertreatment device is reliably taken into account.
- the proportion of starting material determined in the manner described is used as the first proportion of starting material and is therefore used to determine the second proportion of starting material.
- a further development of the invention provides that the speed constant is determined from the initial speed constant and the adaptation variable. This has already been pointed out.
- the speed constant results in particular from multiplying the initial speed constant by the adaptation variable.
- the adjustment size can also be referred to as the reaction speed factor.
- a further development of the invention provides that the speed constant is corrected with the reaction inhibition variable. It has already been mentioned that memory level can influence the speed of response. This is taken into account via the reaction inhibition size, which is determined from the storage level. Preferably results the calculation variable used in the reaction equation is derived from multiplying the rate constant by the reaction inhibition variable or the reaction speed used in the reaction equation is corrected by multiplying by the reaction inhibition variable. This also results in the high level of accuracy already mentioned.
- a further development of the invention provides that the at least one calculation variable is determined depending on the storage capacity using a mathematical relationship, a map or a table.
- the mathematical relationship, the map or the table have the storage capacity as the input variable and the at least one calculation variable as the output variable. If several calculation variables are used in the reaction equation, there is preferably a separate mathematical relationship, a separate map or a table for each of the calculation variables used.
- maps are used for all calculation variables.
- one of the calculation variables is determined using a characteristic map and another calculation variable is determined using a mathematical relationship or a table.
- the mathematical relationship, the characteristic map or the table are preferably stored ex works in the drive device or a control unit of the drive device, in particular in an unchangeable manner. The procedure described enables the exact determination of the starting material proportion of the exhaust gas component.
- hydrocarbon in particular total hydrocarbon
- carbon oxide in particular carbon monoxide and/or carbon dioxide
- hydrogen methane
- ammonia oxygen
- nitrogen oxide in particular nitrogen monoxide and/or nitrogen dioxide
- hydrocarbon is to be understood in particular as any hydrocarbon, for example methane.
- THC total hydrocarbon
- the determination of the starting material proportion from the respective input material proportion is carried out for at least one of the exhaust gas components mentioned, but preferably for several of the components. It is particularly preferably carried out for all of the components mentioned.
- the respective starting material proportion is determined from the respective input material proportion, namely using a respective reaction equation with a respective calculation variable, which is determined depending on the storage capacity of the exhaust gas aftertreatment device. Consequently, the starting material proportions of numerous different exhaust gas components downstream of the exhaust gas aftertreatment device are known.
- a further development of the invention provides that the input material proportion is determined for a currently existing operating point of the drive unit.
- the input substance proportion corresponds to a raw emission of the exhaust gas component from the drive unit, in this respect the proportion of the exhaust gas component in the exhaust gas present in the fluid flow between the drive unit and the exhaust gas aftertreatment device.
- the input material quantity fraction is determined for the at least one exhaust gas component for the currently existing operating point of the drive unit, the operating point being characterized in particular by a speed of the drive unit and/or a drive torque provided by the drive unit.
- the input material fraction is preferably determined again using a mathematical relationship, a map or a table, with the operating point being used as an input variable and the input material fraction being used as an output variable. This procedure enables the determination of the input material proportion for the at least an exhaust gas component with high accuracy and a corresponding precise determination of the starting material proportion.
- the dimensionless reaction inhibition variable 0 is also taken into account, so that one can get the relationship arrived.
- the speed constant k can be solved and the relationship results
- reaction equation is used for a section of the exhaust gas aftertreatment device and the reaction equation is also used for at least a further section of the exhaust gas aftertreatment device, the at least one calculation variable contained in the reaction equation depending on the storage capacity of the Exhaust gas aftertreatment device is determined, and the starting material proportion determined for the section is used as the input material proportion for the at least one further section.
- the reaction equation does not describe the entire exhaust gas aftertreatment device, but only the partial section. Accordingly, it is necessary to also carry out a calculation for the at least one further section.
- the subsection and the at least one further subsection form a component of several subsections into which the exhaust gas aftertreatment device is divided, in particular in the direction of a main flow direction of the exhaust gas through the exhaust gas aftertreatment device.
- the input material proportion and the starting material proportion are available.
- the input material proportion represents the input variable and the output material proportion represents the output variable.
- the input material proportion of the most upstream of the sections is set equal to the input material proportion present upstream of the exhaust gas aftertreatment device.
- the proportion of starting material present downstream of the exhaust gas aftertreatment device is set equal to the proportion of starting material of the section located furthest downstream.
- the respective input substance proportion is set equal to the output substance proportion of the subsections located immediately upstream of the respective subsection.
- the procedure is analogous to the procedure for the subsection.
- the temperature is required, the temperature present in the respective section is used. This achieves a high level of accuracy in the method described.
- the relationship given above for determining the second starting material proportion is also valid in this case. It is valid
- the invention further relates to a drive device for a motor vehicle, in particular for carrying out the method according to the statements in this description, wherein the drive device has a drive unit that generates exhaust gas and an exhaust gas aftertreatment device for aftertreatment of the exhaust gas.
- the drive device is intended and designed to determine a first value of an aging variable describing its state during normal operation of the drive device for the exhaust gas aftertreatment device and to determine a second starting material fraction of the exhaust gas component for at least one exhaust gas component of the exhaust gas from a first starting material fraction of the exhaust gas component present downstream of the exhaust gas aftertreatment device , which would or will occur when the exhaust gas aftertreatment device is replaced by another exhaust gas aftertreatment device that is identical in construction and has a second value of the aging variable that is different from the first value.
- Figure 1 shows a schematic representation of a region of a drive device, namely an exhaust gas aftertreatment device of the drive device, and
- Figure 2 shows a schematic detailed representation of a partial section of the exhaust gas aftertreatment device.
- Figure 1 shows a schematic representation of a region of a drive device 1 for a motor vehicle, namely an exhaust gas aftertreatment device 2.
- the exhaust gas aftertreatment device 2 is here in the form of a vehicle catalytic converter. It has an inlet port 3 and an outlet port 4. Exhaust gas from a drive unit of the drive device 1 is supplied to the exhaust gas aftertreatment device 2 via the inlet connection 3. The exhaust gas flows through the exhaust gas aftertreatment device 2 starting from the inlet port 3 in the direction of the outlet port S4 and flows out of the exhaust gas aftertreatment device 2 through the outlet port 4 towards an external environment.
- the input material fraction yi corresponds to the input material fraction yi present upstream of the exhaust gas aftertreatment device 2.
- the input material proportion yi is set equal to the output material proportion y2 of the immediately preceding section 5.
- the starting material proportion yo downstream of the exhaust gas aftertreatment device 2 is set equal to the starting material proportion y2 of the section 5 closest to the outlet port 4.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102022209101.9A DE102022209101B3 (de) | 2022-09-01 | 2022-09-01 | Verfahren zum Betreiben einer Antriebseinrichtung für ein Kraftfahrzeug sowie entsprechende Antriebseinrichtung |
| PCT/EP2023/073927 WO2024047176A1 (de) | 2022-09-01 | 2023-08-31 | Verfahren zum betreiben einer antriebseinrichtung für ein kraftfahrzeug sowie entsprechende antriebseinrichtung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4581250A1 true EP4581250A1 (de) | 2025-07-09 |
Family
ID=87974305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23767819.8A Pending EP4581250A1 (de) | 2022-09-01 | 2023-08-31 | Verfahren zum betreiben einer antriebseinrichtung für ein kraftfahrzeug sowie entsprechende antriebseinrichtung |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4581250A1 (de) |
| DE (1) | DE102022209101B3 (de) |
| WO (1) | WO2024047176A1 (de) |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19963927A1 (de) * | 1999-12-31 | 2001-07-12 | Bosch Gmbh Robert | Verfahren zum Betreiben eines Speicherkatalysators einer Brennkraftmaschine |
| US6981368B2 (en) | 2002-11-21 | 2006-01-03 | Ford Global Technologies, Llc | Exhaust gas aftertreatment systems |
| US6882928B2 (en) | 2003-04-08 | 2005-04-19 | General Motors Corporation | Enhanced diagnosis of a multi-banked catalyst exhaust system |
| DE102006055542B4 (de) | 2006-11-24 | 2015-12-10 | Volkswagen Ag | Verfahren zur Diagnose einer Abgasreinigungskomponente eines Kraftfahrzeugs |
| DE102007007502A1 (de) | 2007-02-15 | 2008-08-21 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Diagnose einer Abgasreinigungsanlage |
| DE102011055166A1 (de) * | 2011-11-09 | 2013-05-16 | Fev Gmbh | Verfahren zur Ermittlung des in einer katalytischen Abgasnachbehandlungseinrichtung erzeugten NO2-Anteils |
| DE102014202491A1 (de) * | 2013-04-11 | 2014-10-16 | Ford Global Technologies, Llc | Diagnose eines Lean-NOx-Trap-Katalysators durch Messung einer Wasserstoffkonzentration |
| DE102014013690A1 (de) | 2014-09-17 | 2015-03-19 | Daimler Ag | Verfahren zur Diagnose eines in einem Abgasstrang einer Kraftfahrzeugbrennkraftmaschine angeordneten Katalysators |
| US10301988B2 (en) * | 2015-04-23 | 2019-05-28 | Cummins Emission Solutions, Inc. | Component performance recovery via inlet and outlet swap |
| DE102017200145B4 (de) * | 2016-01-22 | 2021-12-23 | Ford Global Technologies, Llc | Verfahren zur Überwachung einer Abgasnachbehandlungsanlage, insbesondere eines NOx-Speicher-Katalysators sowie Steuerungseinrichtung für eine Abgasnachbehandlungsanlage und Fahrzeug |
| DE102020205025A1 (de) | 2019-05-09 | 2020-11-12 | Robert Bosch Gesellschaft mit beschränkter Haftung | Verfahren zur Überwachung eines SCR-Katalysators |
-
2022
- 2022-09-01 DE DE102022209101.9A patent/DE102022209101B3/de active Active
-
2023
- 2023-08-31 WO PCT/EP2023/073927 patent/WO2024047176A1/de not_active Ceased
- 2023-08-31 EP EP23767819.8A patent/EP4581250A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024047176A1 (de) | 2024-03-07 |
| DE102022209101B3 (de) | 2024-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2997242B1 (de) | Verfahren zur ermittlung einer russbeladung eines partikelfilters, steuereinheit sowie kraftfahrzeug | |
| EP1164268B1 (de) | Anordnung zur Überwachung eines NOx-Speichers | |
| DE4039429A1 (de) | Verfahren und vorrichtung zur ueberpruefung eines katalysators | |
| DE19811574A1 (de) | Verfahren und Vorrichtung zum Überwachen der Funktionsfähigkeit eines Katalysators einer Brennkraftmaschine | |
| DE102018126767A1 (de) | Verfahren zur Überwachung der Wirksamkeit eines Dreiwegekatalysators eines Ottomotors | |
| DE102022214379A1 (de) | Verfahren und Vorrichtung zum Messen von Stickoxid- und Ammoniakemissionen eines Abgasnachbehandlungssystems für Verbrennungsabgase | |
| DE102014208095B4 (de) | Verfahren zur Alterungserkennung eines heterogenen Katalysators, Abgasnachbehandlungssystem für eine Brennkraftmaschine und Brennkraftmaschine | |
| DE102022129061A1 (de) | Verfahren zur Diagnose eines Katalysators mit Sauerstoffspeicherfähigkeit | |
| DE102008006631A1 (de) | Verfahren zur Diagnose eines Sauerstoffsensors sowie ein Verfahren zur Korrektur einer Diagnose eines Katalysators | |
| EP1844220B1 (de) | Verfahren zur diagnose des alterungsgrades eines im abgaskanal einer brennkraftmaschine angeordneten katalysators | |
| DE102008008985B4 (de) | Verfahren zur OSC-basierten Diagnose eines Katalysators | |
| EP4581252B1 (de) | Verfahren zum betreiben einer antriebseinrichtung für ein kraftfahrzeug sowie entsprechende antriebseinrichtung | |
| DE102017200542A1 (de) | Verfahren zur Ermittlung eines Stickoxidmassenstroms | |
| EP4545762B1 (de) | Verfahren zum betreiben einer antriebseinrichtung für ein kraftfahrzeug, antriebseinrichtung für ein kraftfahrzeug sowie computerprogrammprodukt | |
| DE102004004277A1 (de) | Verfahren zur Beurteilung der Güte eines einer Brennkraftmaschine eines Fahrzeuges, insbesondere eines Kraftfahrzeuges, nachgeschalteten Abgaskatalysators | |
| DE102022209101B3 (de) | Verfahren zum Betreiben einer Antriebseinrichtung für ein Kraftfahrzeug sowie entsprechende Antriebseinrichtung | |
| DE102016205170A1 (de) | Verfahren zur Überwachung eines Methanoxidationskatalysators und Abgasnachbehandlungseinrichtung | |
| DE102022209774A1 (de) | Verfahren zum Betreiben einer Antriebseinrichtung sowie entsprechende Antriebseinrichtung | |
| DE102024107801B3 (de) | Verfahren zum Betreiben einer Antriebseinrichtung für ein Kraftfahrzeug, entsprechende Antriebseinrichtung sowie Computerprogrammprodukt | |
| DE102022211614B3 (de) | Verfahren zum Betreiben einer Antriebseinrichtung für ein Kraftfahrzeug sowie entsprechende Antriebseinrichtung | |
| DE102023210152B3 (de) | Verfahren zum Betreiben einer Antriebseinrichtung für ein Kraftfahrzeug, Antriebseinrichtung für ein Kraftfahrzeug sowie Computerprogrammprodukt | |
| DE102024106666B3 (de) | Verfahren zum Betreiben einer Antriebseinrichtung für ein Kraftfahrzeug, entsprechende Antriebseinrichtung sowie Computerprogrammprodukt | |
| DE102025101913B3 (de) | Verfahren zum Überwachen einer Schadstoffemission einer Antriebseinrichtung für ein Kraftfahrzeug, entsprechende Antriebseinrichtung für ein Kraftfahrzeug sowie Computerprogrammprodukt | |
| DE102025101914B3 (de) | Verfahren zum Überwachen einer Schadstoffemission einer Antriebseinrichtung für ein Kraftfahrzeug, entsprechende Antriebseinrichtung für ein Kraftfahrzeug sowie Computerprogrammprodukt | |
| DE102024131374B3 (de) | Verfahren zum Betreiben einer Antriebseinrichtung für ein Kraftfahrzeug, entsprechende Antriebseinrichtung sowie Computerprogrammprodukt |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
| 17P | Request for examination filed |
Effective date: 20250306 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
| GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: GRANT OF PATENT IS INTENDED |
|
| DAV | Request for validation of the european patent (deleted) | ||
| DAX | Request for extension of the european patent (deleted) | ||
| INTG | Intention to grant announced |
Effective date: 20251209 |
|
| GRAJ | Information related to disapproval of communication of intention to grant by the applicant or resumption of examination proceedings by the epo deleted |
Free format text: ORIGINAL CODE: EPIDOSDIGR1 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
| GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: GRANT OF PATENT IS INTENDED |
|
| INTC | Intention to grant announced (deleted) | ||
| INTG | Intention to grant announced |
Effective date: 20260309 |