EP1402169B1 - Kraftfahrzeug mit aktivkohlefilter und verfahren zur regeneration eines aktivkohlefilters - Google Patents
Kraftfahrzeug mit aktivkohlefilter und verfahren zur regeneration eines aktivkohlefilters Download PDFInfo
- Publication number
- EP1402169B1 EP1402169B1 EP02742984A EP02742984A EP1402169B1 EP 1402169 B1 EP1402169 B1 EP 1402169B1 EP 02742984 A EP02742984 A EP 02742984A EP 02742984 A EP02742984 A EP 02742984A EP 1402169 B1 EP1402169 B1 EP 1402169B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- combustion engine
- internal
- activated carbon
- carbon filter
- regeneration device
- 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.)
- Expired - Lifetime
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims description 131
- 238000000034 method Methods 0.000 title claims description 17
- 230000001172 regenerating effect Effects 0.000 title claims 2
- 238000002485 combustion reaction Methods 0.000 claims description 95
- 230000008929 regeneration Effects 0.000 claims description 50
- 238000011069 regeneration method Methods 0.000 claims description 50
- 239000000446 fuel Substances 0.000 claims description 28
- 239000000203 mixture Substances 0.000 claims description 28
- 239000000523 sample Substances 0.000 claims description 21
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 230000004913 activation Effects 0.000 claims description 6
- 230000009849 deactivation Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 238000013022 venting Methods 0.000 claims description 3
- 238000011010 flushing procedure Methods 0.000 claims description 2
- 239000003570 air Substances 0.000 description 52
- 239000007789 gas Substances 0.000 description 22
- 239000002828 fuel tank Substances 0.000 description 15
- 229930195733 hydrocarbon Natural products 0.000 description 11
- 150000002430 hydrocarbons Chemical class 0.000 description 11
- 238000000746 purification Methods 0.000 description 8
- 238000009423 ventilation Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000003610 charcoal Substances 0.000 description 3
- 239000003502 gasoline Substances 0.000 description 3
- 238000011068 loading method Methods 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 235000019577 caloric intake Nutrition 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D41/003—Adding fuel vapours, e.g. drawn from engine fuel reservoir
- F02D41/0032—Controlling the purging of the canister as a function of the engine operating conditions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/12—Introducing corrections for particular operating conditions for deceleration
- F02D41/123—Introducing corrections for particular operating conditions for deceleration the fuel injection being cut-off
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
- F02D41/1454—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
- F02M2025/0845—Electromagnetic valves
Definitions
- the invention relates to a motor vehicle with a Internal combustion engine, a fuel tank and a Ventilation device for the fuel tank, the one Activated carbon filter and a regeneration device for Regeneration of the activated carbon filter includes, and on the other a process for the regeneration of an activated carbon filter in a motor vehicle with an internal combustion engine.
- a regeneration device is known, for example, by the publications US 6039032 and US 4127097.
- the object of the invention is in contrast, a generic To provide a motor vehicle and a corresponding method, in which a regeneration of the activated carbon filter with particularly simple means and without fuel consumption the internal combustion engine can be realized.
- the motor vehicle according to the invention is characterized by a control device associated with the regeneration device, the activation of the regeneration device in the overrun mode of the internal combustion engine and in Sliding operation of the internal combustion engine an interruption of a Fuel injection and intake of fresh air mainly caused by the activated carbon filter, wherein During the regeneration of the activated carbon filter, an ignition of the mixture in the internal combustion engine is thereby avoided if necessary, a partial deactivation of the Regeneration device and / or opening of the intake air and / or switching off an ignition of the Internal combustion engine is made.
- the internal combustion engine can in this case as a suction pump for sucking air out be used the activated carbon filter.
- the "normal" intake (intake manifold) of the Internal combustion engine by means of an intake air inlet member shut off or throttled while a suction pipe a connection between activated carbon filter and internal combustion engine manufactures.
- a suction pipe a connection between activated carbon filter and internal combustion engine manufactures.
- the internal combustion engine is a Assigned emission control system, wherein the control device an activation of the regeneration device at Approximately full capacity of the emission control system performs. This ensures that the from the Activated carbon filter removed hydrocarbons in the emission control system are degradable.
- the internal combustion engine associated with an intake air inlet member, wherein the Control device activation of the regeneration device at approximately closed Ansaug Kunststoffeinlklaorgan and / or a control of the intake air mass performs by means of the intake air inlet member.
- the Control device activation of the regeneration device at approximately closed Ansaug Kunststoffeinlklaorgan and / or a control of the intake air mass performs by means of the intake air inlet member.
- Flow direction behind the intake air is in Sliding operation of the internal combustion engine, a negative pressure, the is controllable with the intake air inlet member and on easy way to suck the charcoal filter is available.
- the intake air intake member is also on and straight quality controlled internal combustion engines providable, it being in This case does not serve to regulate the power of the motor.
- the exhaust gas purification system associated with a probe over which the composition the gas mixture in the internal combustion engine is detectable, wherein the control device prior to detection of a ignitable gas mixture in the internal combustion engine one at least partial deactivation of the regeneration device and / or an opening of the intake air inlet member and / or a shutdown an ignition of the internal combustion engine makes.
- the probe is arranged close to the internal combustion engine, so that preferably the Air / fuel ratio in the cylinders of the internal combustion engine is reliably detectable.
- control device As an ignitable mixture in the cylinders of the internal combustion engine should be avoided the control device is designed such that it with a corresponding "safety margin" early on Regeneration of the activated carbon filter reduced or stopped, when the mixture composition in the internal combustion engine approaching flammable range.
- a corresponding "safety margin" early on Regeneration of the activated carbon filter reduced or stopped, when the mixture composition in the internal combustion engine approaching flammable range.
- an admixture of fresh air over the "normal" Intake tract by opening the Ansauglufteinlhouorgans and / or a shutdown of the ignition / / candles provided to to prevent a reaction in the internal combustion engine.
- the probe as between internal combustion engine and exhaust gas purification system arranged lambda probe formed.
- a lambda probe is available in most known systems and can be used for the proposed invention with.
- Regeneration device a closable suction pipe between internal combustion engine and activated carbon filter as well as a Fresh air supply line to the activated carbon filter, wherein the Suction pipe in the flow direction behind the intake air inlet member in the intake tract of the internal combustion engine empties.
- the suction pipe can be opened, so that ambient air or substitute another fresh gas over the also open fresh air supply line to Activated carbon filter and from there into the intake tract of the Internal combustion engine can get.
- the inventive method is characterized in that in a process step, a shift operation of Combustion engine detected, in a subsequent Process step associated with the activated carbon filter Regeneration device for flushing the activated carbon filter with Fresh air is activated and in the push mode of the Internal combustion engine interrupted a fuel injection and a suction of fresh air mainly over the Activated carbon filter is effected while being regenerated the activated carbon filter (5) ignition of the mixture in the Internal combustion engine is avoided by providing a partial deactivation of the regeneration device and / or an opening of the intake air and / or a shutdown a Ignition of the internal combustion engine is made. It will the combustion engine located in the coasting as Suction pump used for ventilation of the activated carbon filter, the Regeneration device as a function of the operating state the internal combustion engine is activated or deactivated.
- a fuel injection interrupted and a suction of fresh air mainly via the activated carbon filter causes. This is ensures that the entire intake fresh air over the Activated carbon filter is performed. She leaves with Hydrocarbons pollutes the activated carbon filter and becomes passed through the internal combustion engine without ignition.
- Ansaug Kunststoffeinlstraorgan can at quantity-controlled gasoline engines a usual for power control throttle used in the engine, with quality-controlled, in particular direct injection, petrol and Diesel engines may be provided with an additional throttle.
- the temperature is provided the emission control system to detect and check whether the operating temperature of the exhaust gas purification system at least is approximately reached.
- the air / fuel ratio determined in the internal combustion engine is in push mode of the internal combustion engine via a probe the air / fuel ratio determined in the internal combustion engine.
- the probe can in the intake tract or in the exhaust tract of the internal combustion engine be provided.
- an already existing Instrumented lambda probe is provided.
- a threshold for the air / fuel ratio in the internal combustion engine defined below which the intake air inlet member of the internal combustion engine open and / or the regeneration device is deactivated.
- activated Regeneration device generally first an air / fuel ratio above the ignitable range is present, which decrease in the course of regeneration can, a predeterminable threshold is provided in Dependence on the measurement parameters of the probe (position, Response behavior etc.) a sufficient safety distance should have to the ignitable area.
- the single figure shows a schematic representation of a ventilation device according to the invention for the Activated carbon filter of a motor vehicle fuel tank.
- an internal combustion engine of a Motor vehicle 1 in the form of a quality-controlled Otto engine 2 shown.
- the internal combustion engine 2 will be Operating fuel via a direct injection system 2b fed, wherein a stratified charge mode of the internal combustion engine realized with variable air / fuel ratio (direct injection gasoline engine).
- the internal combustion engine after the Diesel operated.
- the internal combustion engine 2 is a Assigned exhaust pipe 2 c, in which an exhaust gas purification system in the form of an oxidation catalyst 8 and a lambda probe 11 for detecting the oxygen content and the air / fuel ratio is arranged in the exhaust pipe.
- a throttle valve 9 for Throttling the intake air provided, which further has a Air mass measuring device 14 is assigned. This is about the Control device 7, the amount of air supplied and / or the Adjustable negative pressure generated behind the throttle valve.
- the internal combustion engine designed as a quantity-controlled gasoline engine, wherein the throttle serves to regulate the power of the motor.
- the direct injection system 2b extracts the operating fuel a fuel tank 3, being as a working fuel preferably liquid hydrocarbons are provided.
- the liquid hydrocarbons are generally made different chemical substances in a mixture available.
- the liquid hydrocarbons also tend to to evaporate, so that mainly vapors of the lighter volatiles forming the space above the Fill the liquid level in the fuel tank 3. If the Fuel tank 3 is filled or when it passes through Environmental influences is heated, must be avoided to avoid Pressure build-up in the fuel tank Gas or steam from the Fuel tank to be removed.
- the fuel tank 3 is a Venting device 4 assigned via the gas from the Fuel tank can be discharged to the environment.
- the Venting device 4 includes a gas exchange line 10a, 10b for the supply and removal of gas from the fuel tank out and into the fuel tank.
- an activated carbon filter 5 turned on, by the hydrocarbon components from the be removed to the environment discharged gas.
- the removed hydrocarbon constituents of the exhaust air of the Fuel tank are adsorbed by the activated carbon and stored in the activated carbon filter. Since the adsorption and Storage potential of the activated carbon filter with a certain Loading amount is exhausted, the activated carbon filter 5 in be regenerated at certain time intervals.
- the ventilation device 4 is a regeneration device 6 associated with a fresh air supply line 13, and an exhaust duct 12.
- the suction line 12 connects the Activated carbon filter 5 with the air intake tract 2a of Internal combustion engine 2, wherein the intake passage 12 in the flow direction Seen directly behind the intake air intake of the Internal combustion engine (throttle valve 9) in the intake tract 2a of the Internal combustion engine opens and by means of another valve 16 is lockable.
- the vent 4 is a Control device 7 assigned to a central Motor control can be integrated.
- the Internal combustion engine as a braking device for the moving Motor vehicle be used.
- the internal combustion engine is, for example, in the area the crankshaft of the motor vehicle not shown Sensors provided the appropriate signals to the Control device 7 transmitted.
- the control device 7 is designed such that, after a determination a shift operation of the internal combustion engine 2 a Interruption of fuel supply to the engine as well complete or partial closing of the throttle valve. 9 to stop the engine's energy output and instead, the energy intake (e.g., gas exchange work) to increase.
- the energy intake e.g., gas exchange work
- the control device 7 activates the regeneration device 6, wherein the Vehtile 15, 16 open and the Throttle 9 are substantially closed.
- the internal combustion engine works as a pump and sucks Ambient air via the fresh air supply 13 in the activated carbon filter 5 and the activated carbon filter via the suction line 12 in the internal combustion engine.
- the charcoal filter 5 By supplying fresh air and if necessary, further measures the charcoal filter 5 is caused, to release the adsorbed hydrocarbons.
- the released hydrocarbons can be passed over the Remove sucked fresh air from the activated charcoal filter and the exhaust gas purification system 8, in which they chemically and / or physically reacted (especially oxidized) become.
- the internal combustion engine 2 supplied gas mixture sets then come together from fresh air, over the column at the Throttle is sucked, and from the over the Activated carbon filter sucked mixture.
- a monitoring of the mixture composition by means of the lambda probe 11, between the engine 2 and Emission control system 8 is arranged.
- a probe is provided in the intake tract 2a.
- the Fresh air intake is mainly via the Activated carbon filter 5.
- the regulates Control device 7 the composition of the resulting Mixture based on the signal of the air mass measuring device 14th and the opening position of the valve 16 and / or on the basis of Signals from the probe 8.
- control device 7 is a threshold for a permissible air / fuel ratio deposited on the probe 11, this taking into account further boundary conditions from the internal combustion engine with the air / fuel ratio correlated in the combustion chambers of the engine. At a Falling below the threshold, with a certain Security surcharge is defined, there is a risk of Ignition of the resulting mixture in the internal combustion engine 2. To counteract this, the control device 7 causes in time to open the throttle valve 9 and / or a Closing the valve 16 in the suction line 12. In one modified embodiment achieves the control device in addition a shutdown of the ignition in Combustion engine.
- the control device is further a temperature sensor 17 associated with the temperature of the exhaust gas purification system 8 detected.
- the exhaust gas purification system 8 works correctly from first a certain, known minimum operating temperature (e.g., 250 ° C), at which the full performance of the system is achieved, in particular for the chemical / physical. Implementation of hydrocarbons is required.
- the Control device 7 activates the regeneration of Activated carbon filter preferably only when the exhaust gas purification system 8 reaches its minimum operating temperature Has. When the maximum operating temperature is exceeded If necessary, the regeneration of the activated carbon filter is completely or partially disabled.
- control device 7 ends the regeneration of the activated carbon filter 5, by the Valves 15, 16 closes as well as the throttle valve 9 completely or partially opens. Likewise, the control device 7 ends the regeneration of the activated carbon filter when the Sliding operation of the internal combustion engine 2 ends.
- the activated carbon filter can be on simple To regenerate reliably and with simple means. This is the engine in conjunction with a Ansauglufteinlleanedorgan exploited in pushing operation generated negative pressure. The from the activated carbon filter in the regeneration released hydrocarbons become reliable and degraded environmentally friendly in the exhaust gas cleaning system. A separate vacuum pump for evacuation of the activated carbon filter is also not required for quality controlled engines.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Exhaust Gas After Treatment (AREA)
Description
Claims (11)
- Kraftfahrzeug mitdadurch gekennzeichnet, daß der Regenerationseinrichtung (6) eine Steuerungsvorrichtung (7) zugeordnet ist, die im Schiebebetrieb des Verbrennungsmotors (2)einem Verbrennungsmotor (2),einem Kraftstoffbehälter (3) sowieeiner Entlüftungseinrichtung (4) für den Kraftstoffbehälter, dieeinen Aktivkohlefilter (5) sowieeine Regenerationseinrichtung (6) zur Regenerierung des Aktivkohlefilters umfaßt,eine Aktivierung der Regenerationseinrichtung (6),eine Unterbrechung einer Kraftstoffeinspritzung undein Ansaugen von Frischluft hauptsächlich über den Aktivkohlefilter veranlasst, wobeiwährend der Regenerierung des Aktivkohlefilters (5) eine Zündung des Gemisches im Verbrennungsmotor dadurch vermieden wird, dass bei Bedarfeine teilweise Deaktivierung der Regenerationseinrichtung und/oderein Öffnen des Ansaugluftorgans und/oderein Abschalten einer Zündung des Verbrennungsmotors vorgenommen wird.
- Kraftfahrzeug nach Anspruch 1,
dadurch gekennzeichnet, daß
dem Verbrennungsmotor (2) ein Abgasreinigungssystem (8) zugeordnet ist, wobei die Steuerungsvorrichtung (7) eine Aktivierung der Regenerationseinrichtung bei näherungsweise voller Leistungsfähigkeit des Abgasreinigungssystems vornimmt. - Kraftfahrzeug nach einem der Ansprüche 1 oder 2,
dadurch gekennzeichnet, daß
dem Verbrennungsmotor (2) ein Ansauglufteinlaßorgan zugeordnet ist, wobei die Steuerungsvorrichtung (7) eine Aktivierung der Regenerationseinrichtung bei näherungsweise geschlossenem Ansauglufteinlaßorgan und/oder eine Steuerung der Ansaugluftmasse mittels des Ansauglufteinlaßorgans vornimmt. - Kraftfahrzeug nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, daß
dem Abgasreinigungssystem (8) eine Sonde zugeordnet ist, über die die Zusammensetzung des Gasgemisches im Verbrennungsmotor erfaßbar ist, wobei die Steuerungsvorrichtung (7) vor einer Detektion eines zündfähigen Gasgemisches im Verbrennungsmotor eine wenigstens teilweise Deaktivierung der Regenerationseinrichtung und/oder ein Öffnen des Ansauglufteinlaßorgans und/oder ein Abschalten einer Zündung des Verbrennungsmotors vornimmt. - Kraftfahrzeug nach Anspruch 4,
dadurch gekennzeichnet, daß
die Sonde als zwischen Verbrennungsmotor und Abgasreinigungssystem angeordnete Lambda-Sonde ausgebildet ist. - Kraftfahrzeug nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet, daß
die Regenerationseinrichtung (6) eine absperrbare Absaugrohrleitung zwischen Verbrennungsmotor und Aktivkohlefilter sowie eine Frischluftzufuhrleitung zum Aktivkohlefilter aufweist, wobei die Absaugrohrleitung in Strömungsrichtung hinter dem Ansauglufteinlaßorgan in den Ansaugtrakt des Verbrennungsmotors mündet. - Verfahren zur Regeneration eines Aktivkohlefilters in einem Kraftfahrzeug (1) mit Verbrennungsmotor, insbesondere einem Kraftfahrzeug nach einem der Ansprüche 1 bis 6, bei demin einem Verfahrensschritt ein Schiebebetrieb des Verbrennungsmotors detektiert,in einem nachfolgenden Verfahrensschritt eine dem Aktivkohlefilter zugeordnete Regenerationseinrichtung zur Spülung des Aktivkohlefilters mit Frischluft aktiviert wird sowieim Schiebebetrieb des Verbrennungsmotors (2) eine Kraftstoffeinspritzung unterbrochen und ein Ansaugen von Frischluft hauptsächlich über den Aktivkohlefilter (5) bewirkt wird, wobeiwährend der Regenerierung des Aktivkohlefilters (5) eine Zündung des Gemisches im Verbrennungsmotor dadurch vermieden wird, dass bei Bedarfeine teilweise Deaktivierung der Regenerationseinrichtung und/oderein Öffnen des Ansaugluftorgans und/oderein Abschalten einer Zündung des Verbrennungsmotors vorgenommen wird.
- Verfahren nach Anspruch 7,
dadurch gekennzeichnet, daß
zur Aktivierung der Regenerationseinrichtung eine Frischluftzufuhr zum Aktivkohlefilter und eine Absaugrohrleitung zwischen Aktivkohlefilter und Verbrennungsmotor geöffnet sowie ein Ansauglufteinlaßorgan des Verbrennungsmotors geschlossen werden. - Verfahren nach Anspruch 7 oder 8,
dadurch gekennzeichnet, daß
vor der Aktivierung der Regenerationseinrichtung ein Abgasreinigungssystem auf seine Leistungsfähigkeit hin überprüft wird. - Verfahren nach einem der Ansprüche 7 bis 9,
dadurch gekennzeichnet, daß
im Schiebebetrieb des Verbrennungsmotors über eine Sonde das Luft-/Kraftstoff-Verhältnis im Verbrennungsmotor bestimmt wird. - Verfahren nach Anspruch 10,
dadurch gekennzeichnet, daß
ein Schwellenwert für das Luft-/Kraftstoff-Verhältnis im Verbrennungsmotor definiert wird, bei dessen Unterschreiten das Ansauglufteinlaßorgan des Verbrennungsmotors geöffnet und/oder die Regenerationseinrichtung deaktiviert wird.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10131798A DE10131798A1 (de) | 2001-06-30 | 2001-06-30 | Kraftfahrzeug mit Aktivkohlefilter und Verfahren zur Regeneration eines Aktivkohlefilters |
| DE10131798 | 2001-06-30 | ||
| PCT/EP2002/005157 WO2003004853A1 (de) | 2001-06-30 | 2002-05-10 | Kraftfahrzeug mit aktivkohlefilter und verfahren zur regeneration eines aktivkohlefilters |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1402169A1 EP1402169A1 (de) | 2004-03-31 |
| EP1402169B1 true EP1402169B1 (de) | 2004-12-15 |
Family
ID=7690183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02742984A Expired - Lifetime EP1402169B1 (de) | 2001-06-30 | 2002-05-10 | Kraftfahrzeug mit aktivkohlefilter und verfahren zur regeneration eines aktivkohlefilters |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7146969B2 (de) |
| EP (1) | EP1402169B1 (de) |
| JP (1) | JP2004533576A (de) |
| DE (2) | DE10131798A1 (de) |
| WO (1) | WO2003004853A1 (de) |
Families Citing this family (72)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008011453B4 (de) * | 2008-02-27 | 2021-08-26 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Verfahren und Prüfstand zum Bestimmen einer Pufferwirkung eines Aktivkohlefilters einer Kraftfahrzeug-Tankentlüftung |
| WO2009120779A2 (en) | 2008-03-28 | 2009-10-01 | Exxonmobil Upstream Research Company | Low emission power generation and hydrocarbon recovery systems and methods |
| AU2009228062B2 (en) | 2008-03-28 | 2014-01-16 | Exxonmobil Upstream Research Company | Low emission power generation and hydrocarbon recovery systems and methods |
| EA026915B1 (ru) | 2008-10-14 | 2017-05-31 | Эксонмобил Апстрим Рисерч Компани | Способы и системы для регулирования продуктов горения |
| CA2777768C (en) | 2009-11-12 | 2016-06-07 | Exxonmobil Upstream Research Company | Low emission power generation and hydrocarbon recovery systems and methods |
| DE102009056026B4 (de) * | 2009-11-27 | 2018-01-11 | Audi Ag | Verfahren zum Betreiben einer Brennkraftmaschine eines Kraftfahrzeugs |
| BR112012031153A2 (pt) | 2010-07-02 | 2016-11-08 | Exxonmobil Upstream Res Co | sistemas e métodos de geração de energia de triplo-ciclo de baixa emissão |
| EA029336B1 (ru) | 2010-07-02 | 2018-03-30 | Эксонмобил Апстрим Рисерч Компани | Системы и способ производства энергии путем стехиометрического сгорания с обогащенным воздухом и рециркуляцией отработавшего газа |
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| DE807146C (de) | 1949-05-15 | 1951-06-25 | Robert Balve | Vergaser fuer mit fluessigen Brennstoffen betriebene Brennkraftmaschinen |
| DE1526543B1 (de) | 1965-02-24 | 1970-04-09 | Sibe | Vorrichtung in einer Brennstoffzufuhrleitung zur Brennkraftmaschine |
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| JPS6138153A (ja) * | 1984-07-31 | 1986-02-24 | Toyota Motor Corp | 内燃機関の蒸発燃料制御装置 |
| JPH05118257A (ja) * | 1991-10-24 | 1993-05-14 | Honda Motor Co Ltd | エンジンにおける燃料蒸気処理装置 |
| US5535719A (en) * | 1993-10-15 | 1996-07-16 | Nippondenso Co., Ltd. | Purge-compensated air-fuel ratio control apparatus |
| JP3287228B2 (ja) * | 1996-08-09 | 2002-06-04 | トヨタ自動車株式会社 | 内燃機関の蒸発燃料処理装置 |
| US5988150A (en) * | 1996-12-05 | 1999-11-23 | Toyota Jidosha Kabushiki Kaisha | Evaporated fuel treatment device of engine |
| JPH10318053A (ja) * | 1997-05-22 | 1998-12-02 | Denso Corp | 内燃機関の空燃比制御装置 |
| EP1106815A4 (de) * | 1998-08-10 | 2010-03-10 | Toyota Motor Co Ltd | Vorrichtung zur behandlung von verdampften brennstoff einer brennkraftmaschine |
-
2001
- 2001-06-30 DE DE10131798A patent/DE10131798A1/de not_active Withdrawn
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- 2002-05-10 DE DE50201801T patent/DE50201801D1/de not_active Expired - Lifetime
- 2002-05-10 JP JP2003510593A patent/JP2004533576A/ja not_active Abandoned
- 2002-05-10 EP EP02742984A patent/EP1402169B1/de not_active Expired - Lifetime
- 2002-05-10 WO PCT/EP2002/005157 patent/WO2003004853A1/de not_active Ceased
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|---|---|
| US20040231319A1 (en) | 2004-11-25 |
| JP2004533576A (ja) | 2004-11-04 |
| US7146969B2 (en) | 2006-12-12 |
| DE10131798A1 (de) | 2003-01-16 |
| EP1402169A1 (de) | 2004-03-31 |
| WO2003004853A1 (de) | 2003-01-16 |
| DE50201801D1 (de) | 2005-01-20 |
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