EP0864741A2 - Dispositif pour rincer un filtre à charbon actif et pour tester l'étanchéité d'une instllation de réservoir à carburant pour moteur de véhicule connectée à ce filtre - Google Patents

Dispositif pour rincer un filtre à charbon actif et pour tester l'étanchéité d'une instllation de réservoir à carburant pour moteur de véhicule connectée à ce filtre Download PDF

Info

Publication number: EP0864741A2
Authority: EP; European Patent Office
Prior art keywords: air pump; switches; valve; activated carbon; open
Prior art date: 1997-03-11
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

Application number

EP97118908A

Other languages

German (de)

English (en)

Other versions

EP0864741B1 (fr

EP0864741A3 (fr

Inventor

Michael Bonse

Günter van de Venne

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Pierburg GmbH

Original Assignee

Pierburg GmbH

Priority date (The priority date 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 date listed.)

1997-03-11

Filing date

1997-10-30

Publication date

1998-09-16

1997-10-30 Application filed by Pierburg GmbH filed Critical Pierburg GmbH

1998-09-16 Publication of EP0864741A2 publication Critical patent/EP0864741A2/fr

1998-09-30 Publication of EP0864741A3 publication Critical patent/EP0864741A3/fr

2000-05-31 Application granted granted Critical

2000-05-31 Publication of EP0864741B1 publication Critical patent/EP0864741B1/fr

2017-10-30 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000012360 testing method Methods 0.000 title claims abstract description 25
238000011010 flushing procedure Methods 0.000 title claims description 10
239000002828 fuel tank Substances 0.000 title claims description 6
239000003610 charcoal Substances 0.000 title 1
238000009434 installation Methods 0.000 title 1
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 41
238000011144 upstream manufacturing Methods 0.000 claims abstract description 5
238000005259 measurement Methods 0.000 claims abstract description 3
238000002485 combustion reaction Methods 0.000 claims description 16
239000000446 fuel Substances 0.000 claims description 9
238000010926 purge Methods 0.000 claims description 8
238000009423 ventilation Methods 0.000 claims description 7
230000006698 induction Effects 0.000 abstract 2
230000002000 scavenging effect Effects 0.000 abstract 2
229910052799 carbon Inorganic materials 0.000 abstract 1
101100204059 Caenorhabditis elegans trap-2 gene Proteins 0.000 description 7
238000005516 engineering process Methods 0.000 description 3
238000000034 method Methods 0.000 description 3
230000000694 effects Effects 0.000 description 2
238000010943 off-gassing Methods 0.000 description 2
239000003054 catalyst Substances 0.000 description 1
238000001816 cooling Methods 0.000 description 1
238000001514 detection method Methods 0.000 description 1
230000006866 deterioration Effects 0.000 description 1
238000011161 development Methods 0.000 description 1
230000018109 developmental process Effects 0.000 description 1
238000011156 evaluation Methods 0.000 description 1
238000002347 injection Methods 0.000 description 1
239000007924 injection Substances 0.000 description 1
230000001788 irregular Effects 0.000 description 1
230000008929 regeneration Effects 0.000 description 1
238000011069 regeneration method Methods 0.000 description 1
238000012552 review Methods 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
- 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

the invention relates to a device for flushing an activated carbon trap and Temporary leak test of a fuel tank system connected to this one Vehicle internal combustion engine according to the preamble of patent claim 1.
a device for flushing an activated carbon trap is already known from EP 0 585 527 B1 known. This consists of a line connected to the activated carbon trap, which in the Air intake system of the internal combustion engine opens downstream of the throttle device. Because of the vacuum fluctuations depending on the load there is an irregular one Flushing, which is compensated by a clocked solenoid valve should. This requires a considerable amount of equipment and control technology.
the invention has for its object a device according to The preamble of claim 1 form, in which one of the fluctuating Intake pressure of the internal combustion engine independent purging of the activated carbon trap reached is achieved, while at the same time achieving an advantageous leak test for the tank system shall be.
the drawing shows an inventive device 1 for rinsing a Activated carbon trap 2 and for the temporary leak test of one connected to it
Fuel tank system 3 of a vehicle internal combustion engine 4 in which the purge air is out the atmosphere via the activated carbon trap 2 in an air intake system 5 with a Throttle device 6 of the internal combustion engine 4 is initiated and the Leak test by setting a test pressure in the hermetically sealed Tank system 3 and subsequent pressure drop measurement by a pressure sensor 7 is recorded, takes place over a period of time that provides information about the tightness.
This air pump 8 is e.g. B. designed as a side channel pump, the direction of delivery is switchable.
the fuel tank 9 via a first Ventilation line 10 with the activated carbon trap 2 and through this with the atmosphere a terminal 11 is connected when the engine is turned off that the Activated carbon trap 2 via a purge line 12 with the electric air pump 8 and over this is connected to the air intake system 5 when the internal combustion engine is running, that in the purge line 12 between activated carbon trap 2 and air pump 8 in the direction Activated carbon trap 2 includes suction valve 13 and in the ventilation line 10 Electric open-close valve 14 are arranged that the ventilation line 10 upstream of the on-off valve 14 and the flushing line 12 downstream of the suction valve 13 by a Connecting line 15, which bypasses the activated carbon trap 2, in which an in Direction of the tank system 3 opening pressure valve 16 is arranged that at switched delivery direction of the air pump 8 and closed switched on-off valve 14 and running internal combustion engine test air from the air intake system 5 the opening pressure valve 16 is conveyed directly into the tank system, that the suction valve 13 is closed by the pressure generated by the air pump that
the predetermined period of time or Pressure drop (gradient) for the leak test depending on the Fuel quantity is variable, the fuel quantity as a potentiometer value a tank level indicator (not shown) can be detected and evaluated.
the determination of tight or leaky tank system 3 can then be used as a diagnostic value in the control unit 19 are stored, acoustically or visually displayed. The latter is then done on a display.
a flushing of the activated carbon trap independent of the fluctuating negative pressure in the air intake system can be achieved and, moreover, a leak test that is independent of the fuel temperature in the tank system.
the device can be operated with little expenditure on equipment and control technology.

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)
Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Testing Of Engines (AREA)

EP97118908A 1997-03-11 1997-10-30 Dispositif pour rincer un filtre à charbon actif et pour tester l'étanchéité d'une instllation de réservoir à carburant pour moteur de véhicule connectée à ce filtre Expired - Lifetime EP0864741B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19709903		1997-03-11
DE19709903A DE19709903A1 (de)	1997-03-11	1997-03-11	Vorrichtung zum Spülen einer Aktivkohlefalle und zur zeitweiligen Dichtheitsprüfung einer mit dieser verbundenen Brennstofftankanlage einer Fahrzeug-Brennkraftmaschine

Publications (3)

Publication Number	Publication Date
EP0864741A2 true EP0864741A2 (fr)	1998-09-16
EP0864741A3 EP0864741A3 (fr)	1998-09-30
EP0864741B1 EP0864741B1 (fr)	2000-05-31

Family

ID=7822919

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP97118908A Expired - Lifetime EP0864741B1 (fr)	1997-03-11	1997-10-30	Dispositif pour rincer un filtre à charbon actif et pour tester l'étanchéité d'une instllation de réservoir à carburant pour moteur de véhicule connectée à ce filtre

Country Status (4)

Country	Link
US (1)	US5975062A (fr)
EP (1)	EP0864741B1 (fr)
DE (2)	DE19709903A1 (fr)
ES (1)	ES2146445T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2012089432A1 (fr) *	2010-12-28	2012-07-05	Robert Bosch Gmbh	Système d'aération, destiné en particulier à un réservoir de carburant

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE19740582A1 (de)	1997-09-16	1999-03-18	Pierburg Ag	Elektrische Luftpumpe für eine Vorrichtung zum Spülen einer Aktivkohlefalle
DE19829585A1 (de)	1998-07-02	2000-01-05	Pierburg Ag	Vorrichtung zum Spülen einer Aktivkohlefalle und zur zeitweiligen Dichtheitsprüfung einer mit dieser verbundenen Brennstofftankanlage einer Fahrzeug-Brennkraftmaschine
JP3516599B2 (ja) *	1998-11-16	2004-04-05	株式会社日立ユニシアオートモティブ	蒸発燃料処理装置のリーク診断装置
JP3558555B2 (ja) *	1999-06-30	2004-08-25	株式会社日立ユニシアオートモティブ	蒸発燃料処理装置のリーク診断装置
US6530265B2 (en) *	1999-08-30	2003-03-11	Daimlerchrysler Corporation	Small/gross leak check
US6363921B1 (en) *	1999-09-09	2002-04-02	Siemens Canada Limited	Vacuum leak verification system and method
US6536261B1 (en) *	1999-09-09	2003-03-25	Siemens Automotive Inc.	Vacuum leak verification system and method
JP3456467B2 (ja) *	1999-11-02	2003-10-14	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
JP2001182629A (ja) *	1999-12-27	2001-07-06	Fuji Heavy Ind Ltd	エバポパージシステムの診断装置および圧力センサ
DE10012778A1 (de)	2000-03-17	2001-09-27	Bosch Gmbh Robert	Verfahren und Vorrichtung zum emissionsarmen Betrieb einer Brennstofftankanlage insbesondere eines Kraftfahrzeugs
US6634343B2 (en)	2000-12-01	2003-10-21	Denso Corporation	Evaported fuel processor and fault diagnosing apparatus therefor
US6581580B2 (en)	2001-01-24	2003-06-24	Ford Global Technologies, Inc.	Hydrocarbon vapor evacuation system
JP2002256986A (ja)	2001-03-02	2002-09-11	Denso Corp	燃料蒸気処理装置
JP3896588B2 (ja) *	2002-06-28	2007-03-22	株式会社デンソー	エバポリークチェックシステム
US6913002B2 (en) *	2002-12-13	2005-07-05	Hitachi, Ltd.	Fuel feed system
DE10312588B4 (de) *	2003-03-21	2013-09-19	Robert Bosch Gmbh	Verfahren zur Tankleckdiagnose
EP1643115A4 (fr) *	2003-06-30	2010-07-14	Hitachi Ltd	Dispositif et procede destines a diagnostiquer des fuites d'evaporation, et dispositif de commande de moteur a combustion interne
DE102005017568B4 (de) *	2005-04-11	2024-04-25	Alfred Kärcher SE & Co. KG	Saugreinigungsgerät
DE102005017702A1 (de) *	2005-04-11	2006-10-12	Alfred Kärcher Gmbh & Co. Kg	Verfahren zum Abreinigen der Filter eines Staubsaugers sowie Staubsauger zur Durchführung des Verfahrens
JP2007170221A (ja) *	2005-12-20	2007-07-05	Denso Corp	蒸発燃料処理装置
PL2046183T3 (pl) *	2006-07-29	2011-02-28	Kaercher Gmbh & Co Kg Alfred	Sposób czyszczenia filtrów odkurzacza oraz odkurzacz do realizacji sposobu
EP2046184B1 (fr) *	2006-07-29	2014-01-15	Alfred Kärcher GmbH & Co. KG	Procede pour nettoyer le filtre d'un aspirateur et aspirateur pour mettre en oeuvre le procede
PL2046182T3 (pl) *	2006-07-29	2014-10-31	Kaercher Gmbh & Co Kg Alfred	Odkurzacz z urządzeniem do samooczyszczania filtru
DK2049001T3 (da) *	2006-07-29	2014-01-13	Kaercher Gmbh & Co Kg Alfred	Støvsuger med filterselvrensende indretning
WO2010121656A1 (fr)	2009-04-22	2010-10-28	Alfred Kärcher Gmbh & Co. Kg	Procédé pour décrasser les deux filtres d'un aspirateur à des fins de nettoyage et aspirateur pour mettre en oeuvre le procédé
DE102009020769A1 (de)	2009-04-30	2010-11-04	Alfred Kärcher Gmbh & Co. Kg	Saugreinigungsgerät
EP2451332B1 (fr)	2009-07-07	2018-11-14	Alfred Kärcher SE & Co. KG	Dispositif d'aspiration à des fins de nettoyage
JP5804268B2 (ja) *	2012-01-05	2015-11-04	三菱自動車工業株式会社	燃料蒸発ガス排出抑止装置
US9376991B2 (en) *	2012-07-24	2016-06-28	Ford Global Technologies, Llc	Passive venturi pump for leak diagnostics and refueling
US9822737B2 (en)	2014-04-08	2017-11-21	Ford Global Technologies, Llc	System and methods for a leak check module comprising a reversible vacuum pump
JP6040962B2 (ja) *	2014-06-03	2016-12-07	株式会社デンソー	蒸発燃料処理装置
US9651002B2 (en)	2014-09-24	2017-05-16	Ford Global Technologies, Llc	Systems and methods for reducing bleed emissions
DE102015004716A1 (de)	2015-04-10	2016-10-13	Daimler Ag	Vorrichtung zum Überprüfen der Dichtheit eines Tanks sowie Baukastensystem für mehrere Bauvarianten einer solchen Vorrichtung
DE102015014873A1 (de)	2015-11-17	2017-05-18	Daimler Ag	Verfahren zum Überprüfen der Dichtheit eines Tanks
US9890745B2 (en) *	2015-11-23	2018-02-13	Ford Global Technologies, Llc	Systems and methods for fuel vapor canister purge routing
DE102016224167A1 (de) *	2016-12-05	2018-06-07	Robert Bosch Gmbh	Pumpeinrichtung zum Druckaufbau in einem Kraftstofftank
DE102016224171A1 (de) *	2016-12-05	2018-06-07	Robert Bosch Gmbh	Pumpeinrichtung zum Druckaufbau in einem Kraftstofftank
JP6813349B2 (ja) *	2016-12-15	2021-01-13	株式会社マーレフィルターシステムズ	内燃機関の蒸発燃料処理装置
FR3078747B1 (fr) *	2018-03-08	2020-02-14	Continental Automotive France	Detection de fuite dans un dispositif d'evaporation des vapeurs d'un carburant stocke dans un reservoir d'un moteur thermique de vehicule
DE102019120410A1 (de)	2019-07-29	2021-02-04	Schwäbische Hüttenwerke Automotive GmbH	Fördervorrichtung mit einem Seitenkanal- oder Peripheralgebläse
CN115111091B (zh) *	2022-04-27	2024-04-12	一汽奔腾轿车有限公司	一种燃油车蒸发系统燃油泄漏的诊断方法

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EP0585527B1 (fr)	1992-09-01	1995-07-26	Firma Carl Freudenberg	Dispositif pour l'alimentation temporaire de carburant évaporé d'un espace libre d'un réservoir dans la tubulure d'admission d'un motor à combustion interne
DE4328090C2 (de)	1992-08-21	1996-01-18	Mitsubishi Electric Corp	Kraftstoffdampfablaßsystem für eine Brennkraftmaschine mit innerer Verbrennung und zugehöriges Diagnoseverfahren
WO1996014505A1 (fr)	1994-11-03	1996-05-17	Siemens Electric Limited	Procede et dispositif d'actionnement d'une pompe de detection de fuite dans un systeme de controle de l'evaporation de carburant

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1997
- 1997-03-11 DE DE19709903A patent/DE19709903A1/de not_active Ceased
- 1997-10-30 DE DE59701806T patent/DE59701806D1/de not_active Expired - Fee Related
- 1997-10-30 EP EP97118908A patent/EP0864741B1/fr not_active Expired - Lifetime
- 1997-10-30 ES ES97118908T patent/ES2146445T3/es not_active Expired - Lifetime
1998
- 1998-03-11 US US09/038,430 patent/US5975062A/en not_active Expired - Fee Related

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4328090C2 (de)	1992-08-21	1996-01-18	Mitsubishi Electric Corp	Kraftstoffdampfablaßsystem für eine Brennkraftmaschine mit innerer Verbrennung und zugehöriges Diagnoseverfahren
EP0585527B1 (fr)	1992-09-01	1995-07-26	Firma Carl Freudenberg	Dispositif pour l'alimentation temporaire de carburant évaporé d'un espace libre d'un réservoir dans la tubulure d'admission d'un motor à combustion interne
WO1996014505A1 (fr)	1994-11-03	1996-05-17	Siemens Electric Limited	Procede et dispositif d'actionnement d'une pompe de detection de fuite dans un systeme de controle de l'evaporation de carburant

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2012089432A1 (fr) *	2010-12-28	2012-07-05	Robert Bosch Gmbh	Système d'aération, destiné en particulier à un réservoir de carburant
US9297717B2 (en)	2010-12-28	2016-03-29	Robert Bosch Gmbh	Venting system, in particular for a fuel tank

Also Published As

Publication number	Publication date
DE19709903A1 (de)	1998-09-17
EP0864741B1 (fr)	2000-05-31
EP0864741A3 (fr)	1998-09-30
DE59701806D1 (de)	2000-07-06
ES2146445T3 (es)	2000-08-01
US5975062A (en)	1999-11-02

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Publication	Publication Date	Title
EP0864741B1 (fr)	2000-05-31	Dispositif pour rincer un filtre à charbon actif et pour tester l'étanchéité d'une instllation de réservoir à carburant pour moteur de véhicule connectée à ce filtre
DE69411153T2 (de)	1999-01-14	Integritätsbestätigung eines knistersystems mit positivem druck
DE4124465C2 (de)	2002-11-14	Tankentlüftungsanlage und Kraftfahrzeug mit einer solchen sowie Verfahren und Vorrichtung zum Prüfen der Funktionsfähigkeit einer solchen
EP0819213B1 (fr)	2000-05-03	Detecteur de fuite dans un systeme d'alimentation en carburant
DE4427688C2 (de)	1998-07-23	Verfahren zum Überprüfen der Funktionstüchtigkeit einer Tankentlüftungsanlage für ein Kraftfahrzeug
EP0466850B1 (fr)	1996-12-11	Installation de purge d'air pour les reservoirs des vehicules a moteur et procede de controle de son efficacite de fonctionnement
DE69409098T2 (de)	1998-07-30	Integritätsbestätigung eines kanistersystems mit positivem druck
DE19735549B4 (de)	2008-02-14	Vorrichtung zur Diagnose einer Tankentlüftungsanlage eines Fahrzeugs
WO1993015382A1 (fr)	1993-08-05	Procede et dispositif pour la detection du niveau dans un reservoir
DE19713085C2 (de)	2003-06-12	Verfahren zum Überprüfen der Funktionstüchtigkeit einer Tankentlüftungsanlage für ein Kraftfahrzeug
WO1991015670A1 (fr)	1991-10-17	Dispositif d'aeration de reservoir pour vehicule a moteur et procede de controle de l'aptitude au fonctionnement de ce dispositif
DE19518292C2 (de)	2003-07-17	Verfahren zur Diagnose eines Tankentlüftungssystems
WO2008037571A1 (fr)	2008-04-03	Procédé de vérification d'un dispositif de dégazage de réservoir, dispositif de contrôle et moteur à combustion
EP0952332B1 (fr)	2006-07-19	Procédé pour détecter des fuites dans les systèmes d'admission de carburant pour un véhicule
DE4040896A1 (de)	1992-06-25	Tankentlueftungsanlage und verfahren zum ueberpruefen der dichtheit derselben
EP1415079B1 (fr)	2004-12-22	Procede et appareil de commande pour diagnostics de fonctionnement d'une soupape de ventilation de reservoir d'installation de reservoir de carburant, notamment d'automobile
DE19502776C1 (de)	1996-06-13	Tankentlüftungsanlage für ein Kraftfahrzeug und Verfahren zum Überprüfen deren Funktionsfähigkeit
DE4341777A1 (de)	1995-06-14	Entlüftungsvorrichtung für einen Brennstofftank und Verfahren zum Überprüfen deren Funktionstüchtigkeit
DE19708329A1 (de)	1997-09-04	Verfahren zur Dichtheitsprüfung eines Tanksystems eines Fahrzeugs mit Brennkraftmaschine
DE60031086T2 (de)	2007-05-10	Diagnosevorrichtung für Kraftstoffdampfentlüftungsanlage und Drucksensor
DE19536646B4 (de)	2004-03-04	Verfahren zur Erkennung von Betankungsvorgängen an einem Kraftstofftank eines Fahrzeugs
EP0635633B1 (fr)	1997-09-24	Procédé de contrÔle d'un système de dégazage d'un réservoir captant des vapeurs d'essence et les introduisant dans un moteur à combustion interne
EP0589176B1 (fr)	1997-04-16	Méthode pour tester l'étanchéité d'une installation de réservoir pour véhicule
EP0969198B1 (fr)	2003-08-20	Dispositif pour rincer un filtre à charbon actif et pour tester l'étanchéité d'une installation de réservoir à carburant pour moteur de véhicule connectée à ce filtre
DE4335276C1 (de)	1995-05-04	Verfahren und Anordnung zum Überprüfen eines Tankentlüftungssystems für ein Kraftfahrzeug