EP1415080A1 - Be- und entlüftungseinrichtung des kraftstoff-tankes eines verbrennungsmotors - Google Patents
Be- und entlüftungseinrichtung des kraftstoff-tankes eines verbrennungsmotorsInfo
- Publication number
- EP1415080A1 EP1415080A1 EP02791634A EP02791634A EP1415080A1 EP 1415080 A1 EP1415080 A1 EP 1415080A1 EP 02791634 A EP02791634 A EP 02791634A EP 02791634 A EP02791634 A EP 02791634A EP 1415080 A1 EP1415080 A1 EP 1415080A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- air
- filter
- intake
- internal combustion
- combustion engine
- 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.)
- Granted
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 27
- 238000009423 ventilation Methods 0.000 title claims abstract description 9
- 239000002828 fuel tank Substances 0.000 title claims abstract description 6
- 238000001179 sorption measurement Methods 0.000 claims description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 16
- 238000011001 backwashing Methods 0.000 claims 2
- 238000000926 separation method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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
- F02M25/0809—Judging failure of purge control system
- F02M25/0818—Judging failure of purge control system having means for pressurising the evaporative emission space
Definitions
- Ventilation device of the fuel tank one
- the invention relates to a ventilation of the fuel tank of an internal combustion engine according to the preamble of claim 1.
- Such a device in which the pump is arranged in the section leading the return air from the adsorption filter to the air intake area of the internal combustion engine, is known from DE 198 29 423 A1. With this device, the pump must be preceded by an air intake filter on the air intake side, the only function of which is to filter the intake air of the pump.
- the pressure measuring device present in the generic device serves to check the air-guiding area from the tank interior to the shut-off valves for leaks in this area when they are closed. If a pump is present, this pressure measuring device is built into it, in particular by virtue of the fact that an overpressure can be built up in the area to be checked for leakage in the aforementioned device. grated.
- a fine throttle bore flows through the pressure measurement. This fine throttle bore must be protected against clogging caused by dirt, for which purpose a filter with a relatively high degree of separation is required on the suction side of the pump.
- the pump itself must also be highly protected against contamination.
- a high degree of separation in turn means a high pressure loss or, because of this high pressure loss, if it should not become too large, a large filter area.
- the invention is concerned with the problem of being able to make do with a generic device with as few or no filters with a particularly high degree of separation for the supply of atmospheric air in the region which lies between the interior of the tank and closed shut-off valves.
- the internal combustion engine draws its combustion air through an intake air filter that is combined with an activated carbon filter
- the air emerging from the tank via the activated carbon filter connected to the tank should also enter the intake air filter of the internal combustion engine before entering the atmosphere combined activated carbon filters can flow.
- Fig. 1 is a ventilation and exhaust device of the fuel tank of an internal combustion engine in a schematic representation.
- a tank 1 can be connected to the atmosphere via an adsorption filter 4 via an intake air filter 2 of an internal combustion engine 3.
- an adsorption filter 4 which can be an activated carbon filter
- known valves such as, for example, a pressure control valve, not shown, which acts with reference to the tank 1, are provided in tank ventilation and venting systems.
- the adsorption filter 4 can be rewound for regeneration by connection via a line 5 to the air intake area of the engine 3, that is to say an area between the intake air filter 2 and the engine 3.
- a specific load limit of the adsorption filter is, is hin begeschreibt by the air sucked into the internal combustion engine 3 of air fresh air from the atmosphere through the air filter.
- 2 In the air intake line 6 of the Internal combustion engine 3 is an engine-specific intake throttle valve 7.
- the fresh air to be introduced from the atmosphere through a flow line 8 via the air intake filter 2 when the adsorption filter 4 is rewound is sucked upstream of the throttle valve 7 with reference to the internal combustion engine 3.
- the fresh air is also sucked into the air intake line 6 in a region downstream of the throttle valve 7.
- the adsorption filter 4 including an area reaching into the tank 1, can be shut off airtight from the atmosphere and from the intake line 6 of the internal combustion engine 3 by means of e first shut-off valve 9 or 10 located in line 8 and e second line 5. Such a shut-off enables the air-guiding area lying between the tank 1 and the shut-off valves 9 and 10 to be checked for leaks.
- an intake air adsorption filter 12 is connected downstream of the air intake filter 2.
- This intake air adsorption filter 12 can be, for example, a fleece soaked in activated carbon.
- the intake air adsorption filter 12 serves, on the one hand, to free any returning intake air exiting from the air intake filter 2 into the atmosphere from the air intake filter 2 when the internal combustion engine 3 is switched off, and on the other hand, in the case of tank ventilation through line 8, to treat the atmosphere beyond the adsorption filter 4 treatment exiting the tank 1 through a downstream additional activated carbon filter.
- the volume of the activated carbon filter 4 can either be designed to be lower, or if the design remains the same, increased security against the escape of pollutants together with the air escaping from the tank 1 into the atmosphere is achieved.
- the invention provides a significant advantage is already achieved also be ⁇ when the first shut-off valve 9 is atmos- spheres side not connected to the induction manifold. 6
- a simple valve protection filter is sufficient on the aspherical side of the first shut-off valve 9 when the pump 11 draw in intake air via the air intake filter 2 and the pressure measuring device for the leak test lies in the area of the pump 11, that is to say in an area in which it is reliably protected against dirt penetrating from the atmosphere through the air intake filter 2.
- a leak test of the air-guiding area between the tank 1 and the shut-off valves 9 and 10 can also be carried out without the use of a pump 11 in a manner known per se by generating a negative pressure in this area by the combustion air flowing into the internal combustion engine 3.
- the second shut-off valve 10 is also closed after reaching a pressure which is lower than the atmosphere in the space to be checked, and then a possible pressure increase as an indication of a leak is detected using a pressure measuring device which is also known for such an application.
- the advantage to be achieved by the invention is that the first shut-off valve 9 is connected to the atmosphere via an air intake filter 2 combined with an intake air adsorption filter 12.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10163923 | 2001-12-22 | ||
| DE10163923A DE10163923A1 (de) | 2001-12-22 | 2001-12-22 | Be- und Entlüftungseinrichtung des Kraftstoff-Tankes eines Verbrennungsmotors |
| PCT/DE2002/004607 WO2003056164A1 (de) | 2001-12-22 | 2002-12-17 | Be- und entlüftungseinrichtung des kraftstoff-tankes eines verbrennungsmotors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1415080A1 true EP1415080A1 (de) | 2004-05-06 |
| EP1415080B1 EP1415080B1 (de) | 2008-02-27 |
Family
ID=7710841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02791634A Expired - Lifetime EP1415080B1 (de) | 2001-12-22 | 2002-12-17 | Be- und entlüftungseinrichtung des kraftstoff-tankes eines verbrennungsmotors |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7163004B2 (de) |
| EP (1) | EP1415080B1 (de) |
| DE (2) | DE10163923A1 (de) |
| WO (1) | WO2003056164A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090084362A1 (en) * | 2007-09-28 | 2009-04-02 | Wing Chan | Catalyst material for evaporative emission control system |
| DE102012013854A1 (de) | 2012-07-12 | 2012-12-20 | Daimler Ag | Adsorptionsfilter, insbesondere für eine Kraftstoffversorgungseinrichtung einer Verbrennungskraftmaschine |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3352294A (en) * | 1965-07-28 | 1967-11-14 | Exxon Research Engineering Co | Process and device for preventing evaporation loss |
| DE1601423B1 (de) * | 1968-02-07 | 1972-05-25 | Universal Oil Prod Co | Vorrichtung zum Verhindern des Austritts von Kohlenwasserstoffdaempfen aus der Schwimmerkammer eines Vergasers fuer Brennkraftmaschinen |
| US3572014A (en) * | 1968-11-01 | 1971-03-23 | Ford Motor Co | Engine air cleaner carbon bed filter element construction |
| JPS58170845A (ja) * | 1982-04-01 | 1983-10-07 | Nissan Motor Co Ltd | 内燃機関の燃料蒸気蒸散防止装置 |
| JPH02227546A (ja) | 1989-02-28 | 1990-09-10 | Honda Motor Co Ltd | エンジンの蒸発燃料回収装置 |
| US5183023A (en) * | 1991-11-01 | 1993-02-02 | Siemens Automotive Limited | Evaporative emission control system for supercharged internal combustion engine |
| JP3116556B2 (ja) * | 1992-06-08 | 2000-12-11 | 株式会社デンソー | 内燃機関の燃料タンク系の気密チェック装置 |
| DE4312720A1 (de) * | 1993-04-20 | 1994-10-27 | Bosch Gmbh Robert | Tankentlüftungsanlage für ein Kraftfahrzeug sowie Verfahren zu deren Betreiben |
| JP3267088B2 (ja) * | 1995-02-17 | 2002-03-18 | トヨタ自動車株式会社 | 内燃機関の蒸発燃料処理装置 |
| JP3139318B2 (ja) * | 1995-02-27 | 2001-02-26 | トヨタ自動車株式会社 | エバポパージシステムの故障診断装置 |
| DE19620231C1 (de) * | 1996-05-20 | 1997-10-16 | Audi Ag | Verfahren zur Diagnose der Dichtheit einer Kraftstoffentlüftungsanlage |
| DE19639116B4 (de) * | 1996-09-24 | 2009-01-15 | Robert Bosch Gmbh | Tankentlüftungseinrichtung für Kraftfahrzeuge |
| DE19735549B4 (de) * | 1997-08-16 | 2008-02-14 | Robert Bosch Gmbh | Vorrichtung zur Diagnose einer Tankentlüftungsanlage eines Fahrzeugs |
| US5878729A (en) * | 1998-05-06 | 1999-03-09 | General Motors Corporation | Air control valve assembly for fuel evaporative emission storage canister |
| DE19829423B4 (de) | 1998-07-01 | 2007-03-22 | Mahle Filtersysteme Gmbh | Einrichtung zur Entlüftung des Kraftstofftanks eines Verbrennungsmotors |
| DE19844874A1 (de) * | 1998-09-30 | 2000-04-06 | Knecht Filterwerke Gmbh | Plattenfilterelement für ein Luftfilter |
| DE10018441B4 (de) | 2000-04-13 | 2005-12-29 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur umweltschonenden Dichtheitsprüfung eines Behältnisses |
| DE10129695A1 (de) * | 2001-06-22 | 2003-01-30 | Bosch Gmbh Robert | Verfahren und Vorrichtung zur Tankleckdiagnose mittels einer Referenzmessmethode |
-
2001
- 2001-12-22 DE DE10163923A patent/DE10163923A1/de not_active Withdrawn
-
2002
- 2002-12-17 WO PCT/DE2002/004607 patent/WO2003056164A1/de not_active Ceased
- 2002-12-17 US US10/499,628 patent/US7163004B2/en not_active Expired - Lifetime
- 2002-12-17 DE DE50211791T patent/DE50211791D1/de not_active Expired - Lifetime
- 2002-12-17 EP EP02791634A patent/EP1415080B1/de not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO03056164A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2003056164A1 (de) | 2003-07-10 |
| DE10163923A1 (de) | 2003-07-03 |
| DE50211791D1 (de) | 2008-04-10 |
| US7163004B2 (en) | 2007-01-16 |
| US20050126549A1 (en) | 2005-06-16 |
| EP1415080B1 (de) | 2008-02-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE10018441B4 (de) | Verfahren und Vorrichtung zur umweltschonenden Dichtheitsprüfung eines Behältnisses | |
| DE102009008831B4 (de) | Brennkraftmaschine und Verfahren zur Überwachung eines Tankentlüftungssystems und eines Kurbelgehäuseentlüftungssystems | |
| EP3325796A1 (de) | Brennkraftmaschine und verfahren zur erkennung einer leckage von einem kurbelgehäuse- und/oder einem tank-entlüftungssystem | |
| DE102011086955A1 (de) | Luftzuführsystem eines Verbrennungsmotors | |
| DE102006000166B4 (de) | Kraftstoffdampfbehandlungsvorrichtung | |
| DE112015006116B4 (de) | Elektromagnetisches Ventil und Gasbehandlungssystem | |
| DE102011054851A1 (de) | Tankentlüftung mit Venturi-Düse | |
| DE102013109459B4 (de) | Tankentlüftungsvorrichtung | |
| DE102007040913A1 (de) | Tankentlüftungssystem eines Kraftfahrzeugs | |
| WO2013020824A1 (de) | Entlüftung eines kraftstofftanks mit hilfe eines turboladers | |
| DE102016004381B4 (de) | Kraftstoffdampfverarbeitungsvorrichtung | |
| DE102016225001A1 (de) | Tankentlüftungsanlage für ein Kraftfahrzeug sowie Kraftfahrzeug und Verfahren zum Betreiben einer Tankentlüftungsanlage | |
| EP0685032B1 (de) | Verfahren und anlage zur tankentlüftung | |
| DE19829423B4 (de) | Einrichtung zur Entlüftung des Kraftstofftanks eines Verbrennungsmotors | |
| DE69400243T2 (de) | Vorrichtung zur rückgewinnung von dämpfen, welche aus dem kraftstofftank eines kraftfahrzeuges austreten | |
| EP1415080A1 (de) | Be- und entlüftungseinrichtung des kraftstoff-tankes eines verbrennungsmotors | |
| DE19920972A1 (de) | Befestigungsanordnung für ein Magnetventil | |
| WO2021052747A1 (de) | Verfahren und vorrichtung zur diagnose der entlüftungsleitung des kraftstofftanks eines verbrennungsmotorisch betreibbaren kraftfahrzeugs | |
| DE102009014510A1 (de) | Kraftstoffversorgungsvorrichtung | |
| DE102010005826A1 (de) | Saugrohrmodul für einen Turbomotor, Motor und Fahrzeug mit einem Saugrohrmodul, Steuerventil | |
| DE102008052763B4 (de) | Tankentlüftungseinrichtung für ein Kraftfahrzeug | |
| DE102015007059A1 (de) | Vorrichtung zum Überprüfen der Dichtheit eines Tanks, insbesondere für ein Kraftfahrzeug | |
| WO2020078789A1 (de) | Tankentlüftungsventileinheit | |
| DE102015004716A1 (de) | Vorrichtung zum Überprüfen der Dichtheit eines Tanks sowie Baukastensystem für mehrere Bauvarianten einer solchen Vorrichtung | |
| DE102004030911B4 (de) | Tankentlüftungssystem und zugehöriges Betriebsverfahren |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |
|
| 17P | Request for examination filed |
Effective date: 20040226 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SI SK TR |
|
| GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
| GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
| GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
| RBV | Designated contracting states (corrected) |
Designated state(s): DE FR GB |
|
| AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE FR GB |
|
| REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
| REF | Corresponds to: |
Ref document number: 50211791 Country of ref document: DE Date of ref document: 20080410 Kind code of ref document: P |
|
| GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) |
Effective date: 20080420 |
|
| ET | Fr: translation filed | ||
| PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
| 26N | No opposition filed |
Effective date: 20081128 |
|
| REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 14 |
|
| REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 15 |
|
| REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 16 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20191226 Year of fee payment: 18 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20200227 Year of fee payment: 18 Ref country code: GB Payment date: 20191226 Year of fee payment: 18 |
|
| REG | Reference to a national code |
Ref country code: DE Ref legal event code: R119 Ref document number: 50211791 Country of ref document: DE |
|
| GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20201217 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20201231 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20201217 Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20210701 |