EP1035320B1 - Method for filling a fuel system for the first time - Google Patents
Method for filling a fuel system for the first time Download PDFInfo
- Publication number
- EP1035320B1 EP1035320B1 EP00102371A EP00102371A EP1035320B1 EP 1035320 B1 EP1035320 B1 EP 1035320B1 EP 00102371 A EP00102371 A EP 00102371A EP 00102371 A EP00102371 A EP 00102371A EP 1035320 B1 EP1035320 B1 EP 1035320B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fuel pump
- fuel
- vehicle
- operating
- filling
- 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
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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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/04—Feeding by means of driven pumps
- F02M37/08—Feeding by means of driven pumps electrically driven
Definitions
- the invention relates to a method for first filling a fuel system in a motor vehicle with at least two controls and a the fuel pump.
- Object of the present invention is to provide a method with the initial filling of the fuel system is simple and inexpensive can.
- At least two already existing in the vehicle controls pressed simultaneously.
- This operation is an operation of the fuel pump for filling the Fuel system, in particular the fuel lines, triggered.
- controls are, for example, the driving and brake pedal.
- other combinations of in the vehicle existing controls are selected.
- Crucial here is only that no additional equipment to trigger the initial filling must be used. This allows additional setup costs be avoided.
- a motor control in which the method described above is implemented by software can be.
- the inventive method by a pure software solution be implemented cost-neutral.
- the fuel pump only when the ignition is switched on and / or shut off engine can be operated. This prevents that already in a previous production step, e.g. at almost fully assembled vehicle and unintentional and simultaneous Actuation of accelerator pedal and brake pedal an unwanted filling he follows.
- Another measure to prevent unwanted filling at a choice of driving and brake pedal as controls is provided by that the fuel pump is only operated when the accelerator pedal and the brake pedal must be fully penetrated.
- this is a first filling of a motor vehicle in the present case should be the activation of the fuel pump throughout Vehicle life only in a limited number of times, especially once, to be possible.
- the activation of the fuel pump can also only allowed in a certain operating hours or kilometers become.
- the fuel pump can only be used once during be activated a driving cycle.
- the fuel pump is not driven unnecessarily long, it is preferable a limitation of the activation time of the fuel pump (for example 20 sec.).
- a pump flow should be prevented, which is generally at a Ignition A "signal is performed, for this purpose, the fuel pump operation be locked as long as there is no initial filling.
- the present method for initial filling acts like an initialization.
- the single drawing shows schematically an embodiment the method according to the invention.
- a brake pedal 10 and a Accelerator pedal 12 is provided, which are each operable by a driver.
- the sensors 14 and 16 provide a corresponding signal to a Engine control 20.
- the engine control 20 processes in conventional Do the information applied by the pedals 10 and 12 information.
- the engine control 20 controls, inter alia, a pump 22, which in a Fuel line 24 (or alternatively in a fuel tank) arranged is to fuel from a fuel tank 24 in the direction of the engine (arrow 28).
- the fuel pump 22 In the motor controller 20, a software part is present, which is unique during a vehicle life, the fuel pump 22 then operate when the ignition of the vehicle is turned on and the two pedals 10 and 12 at the same time complete with the engine stopped be stepped down. In this case, the fuel pump 22 is about Operated for 20 seconds, so that the entire fuel system, so the fuel lines, the fuel filter, etc., is filled with fuel.
- the motor controller 20 via an external, to the Reset vehicle connectable diagnostic device such that a renewed actuation of the two pedals 10 and 12 another activation the fuel pump can be done. This is of interest, for example, when the vehicle is repaired in a workshop and the fuel system must be refilled.
- the present inventive method enables a simple and cost-effective initial filling of a fuel system. An additional expense during production in the form of an additional setup effort can be omitted. Furthermore, a simple operation is guaranteed. In addition to an application In manufacturing, the inventive method can also be used in customer service be applied.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Description
Die Erfindung betrifft ein Verfahren zur Erstbefüllung eines Kraftstoffsystems bei einem Kraftfahrzeug mit zumindest zwei Bedienelementen sowie einer den Kraftstoff fördernden Kraftstoffpumpe.The invention relates to a method for first filling a fuel system in a motor vehicle with at least two controls and a the fuel pump.
Für die Erstbefüllung eines Kraftstoffsystems bei einem Kraftfahrzeug nach dem Herstellungsprozeß ist es erforderlich, die Kraftstoffpumpe über mehrere Sekunden anzusteuern. Herkömmlicherweise wird dies durch eine Überbrückung des Kraftstoffpumpenrelais bewirkt.For the initial filling of a fuel system in a motor vehicle after In the manufacturing process, it is necessary to have the fuel pump over several Seconds to drive. Traditionally, this is done by bridging causes the fuel pump relay.
Es ist auch bekannt, über einen extern anzuschließenden Tester und mittels eines Diagnosebefehls die Motorsteuerung zum Betrieb der Kraftstoffpumpe anzusteuern.It is also known via a tester to be connected externally and by means of a diagnostic command, the engine controller for operating the fuel pump head for.
Die oben genannten Verfahren erfordern während oder nach der Fertigung jedoch einen bestimmten Applikations- und Rüstaufwand, der zusätzliche Kosten verursacht The above procedures require during or after manufacturing However, a certain application and setup effort, the additional Costs caused
Des Weiteren ist aus der US 5,572,964 ein Verfahren zur Befüllung eines Kraftstoffsystems bekannt, mittels welchem nach einschalten der Zündung eine kurze oder eine lange Vorlaufzeit für die Ansteuerung der Kraftstoffpumpe in Abhängigkeit unterschiedlicher Kriterien automatisch ausgewählt wird. Eine lange Vorlaufzeit wird hierbei dann ausgewählt, wenn die zu startende Maschine erstmalig in Betrieb genommen wird und ein Gaspedal vollständig getreten ist. Eine kurze Vorlaufzeit wird in allen anderen Fällen gewählt.Furthermore, from US 5,572,964 a method for filling a Fuel system known by means of which after switching on the ignition a short or long lead time for the control of the fuel pump automatically selected depending on different criteria becomes. A long lead time is selected when the one to start Machine is put into operation for the first time and an accelerator pedal completely has entered. A short lead time is chosen in all other cases.
Zum weiteren Umfeld der Erfindung wird noch auf die DE 32 46 658 A1 hingewiesen, in dem eine Vorrichtung zum Abstellen und Anlassen von Kraftfahrzeugmotoren mit Automatikgetrieben beschrieben ist.For further scope of the invention is still pointed to the DE 32 46 658 A1, in which a device for parking and starting of motor vehicle engines is described with automatic transmissions.
Aufgabe der vorliegenden Erfindung ist es, ein Verfahren anzugeben, mit dem die Erstbefüllung des Kraftstoffsystems einfach und kostengünstig erfolgen kann.Object of the present invention is to provide a method with the initial filling of the fuel system is simple and inexpensive can.
Diese Aufgabe wird durch die im Anspruch 1 genannten Merkmale gelöst.This object is achieved by the features mentioned in claim 1.
Demgemäß werden bei dem erfindungsgemäßen Verfahren zumindest zwei bereits im Fahrzeug vorhandene Bedienelemente gleichzeitig betätigt. Durch diese Betätigung wird ein Betrieb der Kraftstoffpumpe zur Befüllung des Kraftstoffsystems, insbesondere der Kraftstoffleitungen, ausgelöst.Accordingly, in the method according to the invention at least two already existing in the vehicle controls pressed simultaneously. By This operation is an operation of the fuel pump for filling the Fuel system, in particular the fuel lines, triggered.
Als Bedienelemente eignen sich beispielsweise das Fahr- und das Bremspedal. Alternativ können aber auch andere Kombinationen von im Fahrzeug vorhandenen Bedienelementen gewählt werden. Ausschlaggebend ist vorliegend lediglich, daß keine zusätzliche Ausrüstung zur Auslösung der Erstbefüllung verwendet werden muß. Damit können zusätzliche Rüstkosten vermieden werden. As controls are, for example, the driving and brake pedal. Alternatively, however, other combinations of in the vehicle existing controls are selected. Crucial here is only that no additional equipment to trigger the initial filling must be used. This allows additional setup costs be avoided.
Vorzugsweise ist bei herkömmlichen Motoren eine Motorsteuerung vorgesehen, in der das oben beschriebene Verfahren softwaremäßig implementiert werden kann. Werden bereits elektrische Steuerbefehle bei den entsprechenden Bedienelementen (z.B. beim Fahr- und Bremspedals) verwendet, so kann das erfindungsgemäße Verfahren durch eine reine Softwarelösung kostenneutral implementiert werden.Preferably, in conventional engines, a motor control is provided, in which the method described above is implemented by software can be. Are already electrical control commands at the appropriate Controls (e.g., on the accelerator and brake pedals), Thus, the inventive method by a pure software solution be implemented cost-neutral.
Vorzugsweise soll die Kraftstoffpumpe nur bei eingeschalteter Zündung und/oder abgestelltem Motor betrieben werden können. Damit wird verhindert, daß bereits in einem vorhergehenden Produktionsschritt, z.B. bei fast völlig zusammengebautem Fahrzeug und unbeabsichtigtem und gleichzeitigem Betätigen von Fahrpedal und Bremspedal eine ungewollte Befüllung erfolgt.Preferably, the fuel pump only when the ignition is switched on and / or shut off engine can be operated. This prevents that already in a previous production step, e.g. at almost fully assembled vehicle and unintentional and simultaneous Actuation of accelerator pedal and brake pedal an unwanted filling he follows.
Eine weitere Maßnahme zur Verhinderung einer ungewollten Befüllung bei einer Wahl von Fahr- und Bremspedal als Bedienelementen ist dadurch vorgesehen, daß die Kraftstoffpumpe nur dann betrieben wird, wenn das Fahrpedal und das Bremspedal jeweils vollständig durchgetreten werden müssen.Another measure to prevent unwanted filling at a choice of driving and brake pedal as controls is provided by that the fuel pump is only operated when the accelerator pedal and the brake pedal must be fully penetrated.
Da es sich im vorliegenden Fall um eine Erstbefüllung eines Kraftfahrzeugs handelt, sollte die Aktivierung der Kraftstoffpumpe während des gesamten Fahrzeuglebens nur in einer begrenzten Anzahl mal, insbesondere nur einmal, möglich sein. Alternativ kann die Aktivierung der Kraftstoffpumpe auch nur in einem bestimmten Betriebsstunden- oder Kilometerbereich erlaubt werden. Als weitere Alternative kann die Kraftstoffpumpe nur einmal während eines Fahrzyklus aktivierbar sein.Since this is a first filling of a motor vehicle in the present case should be the activation of the fuel pump throughout Vehicle life only in a limited number of times, especially once, to be possible. Alternatively, the activation of the fuel pump can also only allowed in a certain operating hours or kilometers become. As another alternative, the fuel pump can only be used once during be activated a driving cycle.
Falls nur eine begrenzte Anzahl von derartigen Kraftstoffbefüllungen vorgesehen sind, ist eine Rücksetzungsmöglichkeit von Interesse, so daß die Möglichkeiten der Kraftstoffbefüllung auch nach oder bei einem Werkstattaufenthalt genutzt werden können.If only a limited number of such fuel fillings provided are a possibility of resetting interest, so that the Possibilities of filling fuel even after or during a workshop visit can be used.
Damit die Kraftstoffpumpe nicht unnötig lange angesteuert wird, ist vorzugsweise eine Begrenzung der Ansteuerzeit der Kraftstoffpumpe (beispielsweise 20 Sek.) vorgesehen.So that the fuel pump is not driven unnecessarily long, it is preferable a limitation of the activation time of the fuel pump (for example 20 sec.).
Um einen Trockenlauf der Kraftstoffpumpe zu verhindern, sollte diese vorzugsweise solange nicht betrieben werden können, wie sie nicht von Kraftstoff umspült ist. Bei einer im Kraftstofftank angeordneten Kraftstoffpumpe kann dazu die Befüllung des Kraftstofftanks mittels eines Sensors überprüft werden. Alternativ ist es möglich, die Betriebsdaten der Kraftstoffpumpe zu überwachen. Beispielsweise kann über deren Stromaufnahme oder deren Drehzahl auf einen Trockenlauf geschlossen werden.To prevent dry running of the fuel pump, this should preferably as long as they can not be operated, as they are not fuel is washed around. In a fuel tank arranged in the fuel tank For this purpose, the filling of the fuel tank can be checked by means of a sensor become. Alternatively, it is possible to use the operating data of the fuel pump monitor. For example, on the power consumption or their Speed can be closed on a dry run.
Ferner sollte ein Pumpenvorlauf verhindert werden, der generell bei einem Zündung Ein"-Signal durchgeführt wird. Zu diesem Zweck kann der Kraftstoffpumpenbetrieb solange gesperrt werden, wie keine Erstbefüllung vorliegt. Insofern wirkt das vorliegende Verfahren zur Erstbefüllung wie eine Initialisierung.Furthermore, a pump flow should be prevented, which is generally at a Ignition A "signal is performed, for this purpose, the fuel pump operation be locked as long as there is no initial filling. In this respect, the present method for initial filling acts like an initialization.
Eine vorteilhafte und kostengünstige Ausführungsvariante der vorliegenden Erfindung wird anhand der einzigen Zeichnung näher erläutert.An advantageous and inexpensive embodiment of the present invention Invention will be explained in more detail with reference to the single drawing.
Die einzige Zeichnung zeigt in schematischer Weise eine Ausführungsform
des erfindungsgemäßen Verfahrens. Dabei ist ein Bremspedal 10 sowie ein
Fahrpedal 12 vorgesehen, welche jeweils von einem Fahrer betätigbar sind.
Die Betätigung beider Pedale 10 und 12 wird mittels Sensoren 14 und 16
erfaßt. Die Sensoren 14 und 16 liefern ein entsprechendes Signal an eine
Motorsteuerung 20. Die Motorsteuerung 20 verarbeitet in herkömmlicher
Weise die von den Pedalen 10 und 12 anliegenden Informationen.The single drawing shows schematically an embodiment
the method according to the invention. Here is a
Die Motorsteuerung 20 steuert unter anderem eine Pumpe 22 an, die in einer
Kraftstoffleitung 24 (oder alternativ in einem Kraftstofftank) angeordnet
ist, um Kraftstoff von einem Kraftstofftank 24 in Richtung des Motors (Pfeil
28) zu befördern.The
In der Motorsteuerung 20 ist ein Softwareteil vorhanden, der es einmalig
während einer Fahrzeuglebensdauer ermöglicht, die Kraftstoffpumpe 22
dann zu betreiben, wenn die Zündung des Fahrzeugs eingeschaltet ist und
die beiden Pedale 10 und 12 bei stehendem Motor gleichzeitig vollständig
durchgetreten werden. In diesem Fall wird die Kraftstoffpumpe 22 über etwa
20 Sek. betrieben, so daß das gesamte Kraftstoffsystem, also die Kraftstoffleitungen,
der Kraftstoffilter, etc., mit Kraftstoff befüllt wird.In the
Zudem ist es möglich, die Motorsteuerung 20 über ein externes, an das
Fahrzeug anschließbares Diagnosegerät derart zurückzusetzen, daß durch
ein erneutes Betätigen der beiden Pedale 10 und 12 eine weitere Aktivierung
der Kraftstoffpumpe erfolgen kann. Dies ist beispielsweise dann von Interesse,
wenn das Fahrzeug in einer Werkstatt repariert und das Kraftstoffsystem
wieder befüllt werden muß.In addition, it is possible, the
Das vorliegende erfindungsgemäße Verfahren ermöglicht eine einfache und kostengünstige Erstbefüllung eines Kraftstoffsystems. Ein Zusatzaufwand bei der Fertigung in Form eines zusätzlichen Rüstaufwands kann entfallen. Ferner ist eine einfache Bedienung gewährleistet. Neben einer Anwendung in der Fertigung kann das erfindungsgemäße Verfahren auch im Kundendienst angewendet werden.The present inventive method enables a simple and cost-effective initial filling of a fuel system. An additional expense during production in the form of an additional setup effort can be omitted. Furthermore, a simple operation is guaranteed. In addition to an application In manufacturing, the inventive method can also be used in customer service be applied.
Natürlich ist es auch möglich, ein gleichzeitiges Betätigen von im Fahrzeug vorhandenen Bedienelementen, als Initialisierungsmöglichkeit oder Betätigungssignal für andere Vorgänge zu verwenden. Auch dann können evtl. zusätzliche Rüstkosten eingespart werden.Of course it is also possible to simultaneously press in the vehicle existing controls, as an initialization option or actuation signal to use for other operations. Even then may possibly. additional setup costs can be saved.
Claims (11)
- A method for the initial filling of a fuel system in a motor vehicle comprising at least two operating elements and a fuel pump delivering the fuel, wherein the fuel pump is only actuated when the ignition is switched on, characterised in that, when the ignition is already switched on, operation of the fuel pump (22) to fill the fuel system (26) is triggered by simultaneous operation of at least two operating elements (10, 12) present in the vehicle.
- A method according to claim 1, characterised in that the engine of the vehicle s switched off during this operation of the fuel pump (22).
- A method according to either of claims 1 or 2, characterised in that the accelerator pedal (12) and the brake pedal (12) are used as operating elements.
- A method according to claim 3, characterised in that both the brake pedal (10) and the accelerator pedal (12) are completely depressed.
- A method according to any one of claims 1 to 4, characterised in that an activation of this type of the fuel pump (22) is only possible for a limited number of times, more especially once, during the life of the vehicle.
- A method according to any one of claims 1 to 4, characterised in that an activation of this type of the fuel pump (22) is only possible within a specific range of operating hours or kilometre range of the vehicle.
- A method according to any one of claims 1 to 4, characterised in that an activation of this type of the fuel pump (22) is only possible once within a driving cycle.
- A method according to any one of the preceding claims, characterised in that the fuel pump (22) is only actuated over a limited time period.
- A method according to any one of the preceding claims, characterised in that the fuel pump (22) is blocked if simultaneous actuation of the operating elements is not carried out.
- A method according to any one of the preceding claims, characterised in that the fuel pump (22) is blocked if it is operating dry.
- A method according to claim 10, characterised in that dry operation is determined via a tank filling sensor or the operating data on the fuel pump.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19910331 | 1999-03-09 | ||
DE19910331A DE19910331A1 (en) | 1999-03-09 | 1999-03-09 | Procedure for the first filling of a fuel system |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1035320A2 EP1035320A2 (en) | 2000-09-13 |
EP1035320A3 EP1035320A3 (en) | 2001-01-31 |
EP1035320B1 true EP1035320B1 (en) | 2005-01-12 |
Family
ID=7900245
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00102371A Expired - Lifetime EP1035320B1 (en) | 1999-03-09 | 2000-02-04 | Method for filling a fuel system for the first time |
Country Status (4)
Country | Link |
---|---|
US (1) | US6371736B1 (en) |
EP (1) | EP1035320B1 (en) |
JP (1) | JP2000265915A (en) |
DE (2) | DE19910331A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10315564A1 (en) * | 2003-04-05 | 2004-10-28 | Hella Kgaa Hueck & Co. | Vehicle with function activated automatically at given speed, has facility to demonstrate function when stationary, by operation of two controls |
DE102004024518A1 (en) * | 2004-05-18 | 2005-12-15 | Adam Opel Ag | Starting process for a combustion engine especially an otto engine with inlet tube injection and evacuated fuel supply has two stages to provide the richest possible mixture |
DE102005001189B4 (en) * | 2005-01-10 | 2006-11-16 | Daimlerchrysler Ag | Circuit arrangement for a switching element for opening and closing a vehicle wing |
DE102005031725A1 (en) * | 2005-07-07 | 2007-01-18 | Audi Ag | Arrangement for release of parking brake in case of breakdown of normal connection, comprises use of combination of two already existing functions |
DE102007029020A1 (en) | 2007-06-23 | 2008-12-24 | Dürr Somac GmbH | Plant for vacuum pressure filling of assemblies with gaseous or liquid media |
DE102009024965B4 (en) | 2009-06-12 | 2021-03-18 | Dürr Somac GmbH | Filling device |
US9228516B2 (en) * | 2012-09-04 | 2016-01-05 | GM Global Technology Operations LLC | Fuel pump prime activated by door sensor |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58204957A (en) * | 1982-05-25 | 1983-11-29 | Toyota Motor Corp | Drive controlling device for motor driven type fuel pump |
DE3238191A1 (en) * | 1982-10-15 | 1984-04-19 | Robert Bosch Gmbh, 7000 Stuttgart | EMERGENCY CONTROL DEVICE FOR FUEL MEASURING SYSTEM |
DE3246658A1 (en) | 1982-12-16 | 1984-06-20 | Bayerische Motoren Werke AG, 8000 München | Shut-off/starter device for engines of motor vehicles with automatic transmission |
GB8527827D0 (en) * | 1985-11-12 | 1985-12-18 | Lucas Ind Plc | Control valve |
JPH0318659A (en) * | 1989-06-16 | 1991-01-28 | Yamaha Motor Co Ltd | Starter for vehicle with fuel injection type engine |
US5175663A (en) | 1989-10-17 | 1992-12-29 | Jidosha Kiki Co., Ltd. | Fuel pump controller |
JPH086657B2 (en) * | 1989-10-17 | 1996-01-29 | 自動車機器株式会社 | Fuel pump drive system |
JPH06159176A (en) * | 1992-11-30 | 1994-06-07 | Nippondenso Co Ltd | Fuel pump control device of internal combustion engine |
JPH06173806A (en) * | 1992-12-14 | 1994-06-21 | Toyota Motor Corp | Injection device for internal combution engine |
JP3279371B2 (en) * | 1993-01-29 | 2002-04-30 | マツダ株式会社 | Engine evaporative fuel control system |
JP3494383B2 (en) * | 1993-05-21 | 2004-02-09 | 富士重工業株式会社 | Engine fuel injector drive circuit |
FR2711734B1 (en) * | 1993-10-29 | 1995-11-24 | Renault | Method of controlling an internal combustion engine fuel pump. |
DE19548278B4 (en) * | 1995-12-22 | 2007-09-13 | Robert Bosch Gmbh | Method and device for controlling an internal combustion engine |
-
1999
- 1999-03-09 DE DE19910331A patent/DE19910331A1/en not_active Withdrawn
-
2000
- 2000-02-04 DE DE50009181T patent/DE50009181D1/en not_active Expired - Lifetime
- 2000-02-04 EP EP00102371A patent/EP1035320B1/en not_active Expired - Lifetime
- 2000-02-25 JP JP2000049540A patent/JP2000265915A/en active Pending
- 2000-03-09 US US09/522,398 patent/US6371736B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1035320A3 (en) | 2001-01-31 |
DE19910331A1 (en) | 2000-09-14 |
DE50009181D1 (en) | 2005-02-17 |
EP1035320A2 (en) | 2000-09-13 |
US6371736B1 (en) | 2002-04-16 |
JP2000265915A (en) | 2000-09-26 |
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