EP1434941B1 - Soupape d'injection de carburant - Google Patents

Soupape d'injection de carburant Download PDF

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Publication number
EP1434941B1
EP1434941B1 EP02800535A EP02800535A EP1434941B1 EP 1434941 B1 EP1434941 B1 EP 1434941B1 EP 02800535 A EP02800535 A EP 02800535A EP 02800535 A EP02800535 A EP 02800535A EP 1434941 B1 EP1434941 B1 EP 1434941B1
Authority
EP
European Patent Office
Prior art keywords
valve
fuel injection
groove
injection valve
fuel
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
Application number
EP02800535A
Other languages
German (de)
English (en)
Other versions
EP1434941A1 (fr
Inventor
Günter DANTES
Detlef Nowak
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1434941A1 publication Critical patent/EP1434941A1/fr
Application granted granted Critical
Publication of EP1434941B1 publication Critical patent/EP1434941B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • F02M61/1806—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for characterised by the arrangement of discharge orifices, e.g. orientation or size
    • 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
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
    • F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
    • F02M51/0625—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures
    • F02M51/0664—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding
    • F02M51/0685—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding the armature and the valve being allowed to move relatively to each other or not being attached to each other
    • 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/162—Means to impart a whirling motion to fuel upstream or near discharging orifices
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/30—Fuel-injection apparatus having mechanical parts, the movement of which is damped
    • F02M2200/306—Fuel-injection apparatus having mechanical parts, the movement of which is damped using mechanical means

Definitions

  • the invention is based on a fuel injection valve according to the preamble of claim 1.
  • a Fuel injector includes the fuel in one combustion chamber formed by a piston / cylinder construction injected, and with a protruding into the combustion chamber Spark plug is provided.
  • the fuel injection valve is with at least one row over the circumference of the Fuel injector arranged distributed Spray openings provided. Through a targeted injection of fuel over the spray orifices becomes one beam-guided combustion process by forming a Mixture cloud realized with at least one jet.
  • a disadvantage of the above-mentioned document known fuel injection valve is in particular the Coking of the ejection openings, which thereby clog and the flow through the fuel injector diminish impermissibly. This leads to malfunctions the internal combustion engine.
  • DE 199 11 928 A1 shows an injection valve for a Internal combustion engine.
  • the fuel injector has a valve body, injection ports and a Fuel storage on the downstream side of a Pin section of the valve body.
  • An opening on the Outside of the injection hole has a width, the is generally larger than a width thereof, with the Width of the injection opening decreases gradually inwards, so that the fuel in the direction of the width with a predetermined angle is injected.
  • the vastness of Injection opening in the direction of injection of the fuel within the predetermined angle in the width direction is essentially uniform.
  • Through holes are on the middle section or on the sides in the Width direction of the injection port formed. The Through holes are connected to the fuel storage is and has a width that is greater than the width the injection port.
  • the fuel injection valve according to the invention with the Features of claim 1 has In contrast, the advantage that at one of the combustion chamber of Internal combustion engine facing front side of Valve seat body of the fuel injection valve a groove-like surface structure is formed, which prevents fuel in the area of Abspritzö Maschinenen can knock down, causing a zu186 the ejection openings avoided by coking residues becomes.
  • the number of grooves is arbitrary and of a single groove, which of a Any injection opening emanates, up to a number may increase, which is equal to the number of Spray openings is.
  • the groove-like surface structure produced simultaneously with the valve seat body or be subsequently introduced into this is advantageousously, the groove-like surface structure produced simultaneously with the valve seat body or be subsequently introduced into this.
  • the groove-like Surface structure in a simple and cost-effective manner by mechanical processing, such as. B. turning, or by chemical treatment, such as. As etching, can be produced is.
  • Fig. 1 shows in an excerpted sectional view Embodiment of an inventive Fuel injection valve 1.
  • the fuel injector 1 is in the form of a Brennscherinspritzvent ils 1 for Fuel injection systems of mixture compression, spark-ignited internal combustion engines running.
  • the Fuel injector 1 is suitable for direct Injecting fuel into a not shown Combustion chamber of an internal combustion engine.
  • the fuel injection valve 1 consists of a Nozzle body 2, in which a valve needle 3 is arranged.
  • the valve needle 3 is for example via a weld 41 in operative connection with a valve closing body 4, the arranged with a valve seat body 5 on a Valve seat surface 6 cooperates to a sealing seat.
  • Fuel injection valve 1 is in Embodiment to an inwardly opening Fuel injection valve 1, which over several Abspritzö Anlagenen 7 has, at least one for Axis of the valve seat body 5 concentric circle are arranged.
  • the nozzle body 2 is by a seal 8 against a Outer pole 9 acting as an actuator for the valve needle 3 Magnetic coil 10 sealed.
  • the magnetic coil 10 is in one Coil housing 11 encapsulated and on a bobbin 12th wound, which at an inner pole 13 of the magnetic coil 10th is applied.
  • the inner pole 13 and the outer pole 9 are connected by a Split 26 separated from each other and rely on a Connecting component 29 from.
  • the magnetic coil 10 is connected via a Line 19 of a via an electrical plug contact 17th energized electric current.
  • the plug contact 17 is surrounded by a plastic sheath 18, the Inner pole 13 may be molded.
  • the valve needle 3 is in a valve needle guide fourteenth guided, which is designed disk-shaped. to Stroke adjustment is a paired shim 15.
  • An the other side of the dial 15 is a Anchor 20. This is about a first flange 21st non-positively connected to the valve needle 3 in conjunction, which by a weld 22 with the first flange 21 connected is.
  • On the first flange 21 is supported Return spring 23 from which in the present design of Fuel injection valve 1 by a sleeve 24 Bias is brought.
  • a second flange 31st Downstream of the armature 20 is a second flange 31st arranged, which serves as a lower anchor stop. He is over a weld 33 frictionally with the valve needle. 3 connected. Between the armature 20 and the second flange 31 is an elastic intermediate ring 32 for damping Anchor bouncers when closing the fuel injector 1 arranged.
  • the armature 20 and the Valve seat body 5 extend fuel channels 30a to 30c.
  • the fuel is supplied via a central fuel supply 16 supplied and filtered by a filter element 25.
  • the Fuel injection valve 1 is opposed by a seal 28 sealed a distribution line not shown.
  • the fuel injection valve 1 on one facing the combustion chamber of the internal combustion engine End face 35 of the valve seat body. 5 a groove-like Surface structure 34, which is different from the on at least one circuit arranged spray openings 7 extends radially outward.
  • a groove-like Surface structure 34 becomes fuel, which during of the injection process at the tip of the Fuel injection valve 1 precipitates, of the Abspritzö réelleen 7 transported away, so that the Coking tendency of the ejection openings 7 is reduced, whereby malfunctions of the fuel injection valve 1 by clogging the spray openings 7 and a Inadmissible reduction of fuel flow can be prevented.
  • the measures according to the invention are in Figs. 2A and 2B shown in more detail and in the Description explained.
  • the armature 20 drops sufficient reduction of the magnetic field by the pressure of the Return spring 23 on the first flange 21 from the inner pole thirteenth from, causing the valve needle 3 against the stroke direction emotional. As a result, the valve closing body 4 is placed on the Valve seat surface 6 and the fuel injection valve. 1 will be closed. The armature 20 sits on the through the second flange 31 formed anchor stop.
  • Figs. 2A and 2B show in an enlarged schematic Top view of the discharge-side end of the in Fig. 1st illustrated fuel injection valve 1 two Embodiments of the inventive measures.
  • valve 1 has the fuel injection valve 1 in the region of Valve seat body 5 at a combustion chamber of the Internal combustion engine facing end face 35, the preferably curved conically or dome-shaped outward is, over a groove-like surface structure 34 which for removal from itself in the area of the ejection openings 7 serves precipitating fuel.
  • the coking of the ejection openings 7 can be reduced become. Since the diameter of the ejection openings 7 is typically about 100 microns, the risk that the Clogging holes 7 clog with coking over time and thus the flow rate impermissibly restricted becomes, relatively large. This is especially due to the high Temperatures when igniting the in the combustion chamber injected mixture cloud conditionally, as a result Components of the fuel at the top of the Deposit fuel injector 1.
  • the groove-like surface structure 34 may in Exit region of the ejection openings 7 remaining Fuel be removed, so that the Spray holes 7 not by coking residue can grow up.
  • Fig. 2A shows a first embodiment of groove-like surface structure 34.
  • the number of Spray openings 7 is present Embodiment six. You are on one to one Center axis of the fuel injection valve 1 and / or the Valve seat body 5 concentric circle arranged. From each of the ejection openings 7 assumes a groove 36, the a radially from the respective ejection opening 7 to the outside directed directional component has.
  • the grooves 36 are here more or less bent to an optimum Removal of fuel, located in the area of Spray holes 7 reflected down to ensure. Alternatively, it is possible to reduce the Manufacturing effort to reduce the number of grooves 36 so that, for example, only every second spray opening 7 with a groove 36 is in communication.
  • the grooves 36 may have any cross-section, wherein a U-shaped cross-section flow and production technology is the cheapest.
  • the cross section can For example, to the radially outer ends 38 of Flatten grooves 36; furthermore, the ends 38 can also be widened.
  • the production of the grooves 36 takes place for example, by turning during manufacture of the Valve seat body 5. Also a subsequent production on chemical way, for example by etching, is possible.
  • Fig. 2B shows in the same view as Fig. 2A, a second Embodiment of an inventively designed Valve seat body 5 of a fuel injection valve 1.
  • the fuel injection valve 1 six spray openings 7, which also on a Are arranged circle.
  • a single groove 37 which emanates from only one spray opening 7 and helical so extends radially outward that all Spray openings 7 radially within the single groove 37th lie.
  • Spray openings 7 on a helical line to arrange, which parallel to the helical Single groove 37 runs.
  • the single groove 37 must have the ejection openings 7 at least once completely circulated, so that the removal of fuel is guaranteed by all spray openings 7.
  • the single groove 37 in the Production of the valve seat body 5 made by turning or subsequently by chemical or mechanical means be introduced.
  • As a possible cross-sectional shape offers also a U-shaped cross-section possibly with widened and / or flattened end 38 at.
  • the invention is not limited to those shown Embodiments limited and for any Number of spray openings 7, which in any way at the discharge end of the fuel injection valve. 1 can be arranged for any number of grooves 36 and for any construction of Fuel injectors 1 applicable.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fuel-Injection Apparatus (AREA)

Claims (7)

  1. Injecteur de carburant (1) pour l'injection directe de carburant dans la chambre de combustion de moteurs à combustion interne, comprenant un actionneur (10), une aiguille de soupape (3) pouvant être actionnée par l'actionneur (10) pour l'actionnement d'un corps de fermeture de soupape (4) formant, conjointement avec une surface de siège de soupape (6) sur un corps de siège de soupape (5), un siège d'étanchéité, et plusieurs orifices d'éjection (7) configurés dans le corps de siège de soupape (5), avec une structure de surface rainurée (34) sur une face frontale (35) du corps de siège de soupape (5) tournée vers la chambre de combustion,
    caractérisé en ce que
    la structure de surface rainurée (34) est configurée avec des rainures (36) reliées aux orifices d'éjection (7), et les rainures (36) sont courbes.
  2. Injecteur de carburant selon la revendication 1,
    caractérisé en ce que
    les rainures (36) possèdent une composante de direction orientée radialement vers l'extérieur.
  3. Injecteur de carburant selon l'une quelconque des revendications 1 et 2,
    caractérisé en ce que
    le nombre de rainures (36) est inférieur ou égal au nombre d'orifices d'éjection (7).
  4. Injecteur de carburant (1) pour l'injection directe de carburant dans la chambre de combustion de moteurs à combustion interne, comprenant un actionneur (10), une aiguille de soupape (3) pouvant être actionnée par l'actionneur (10) pour l'actionnement d'un corps de fermeture de soupape (4) formant, conjointement avec une surface de siège de soupape (6) sur un corps de siège de soupape (5), un siège d'étanchéité, et plusieurs orifices d'éjection (7) configurés dans le corps de siège de soupape (5), avec une structure de surface rainurée (34) sur une face frontale (35) du corps de siège de soupape (5) tournée vers la chambre de combustion,
    caractérisé en ce que
    la structure de surface rainurée (34) est configurée avec une rainure unique (37) reliée à un seul orifice d'éjection (7), et la rainure unique (37) est courbe.
  5. Injecteur de carburant selon la revendication 4,
    caractérisé en ce que
    la rainure unique (37) s'étend en hélice radialement vers l'extérieur.
  6. Injecteur de carburant selon la revendication 5,
    caractérisé en ce que
    la rainure unique (37) s'étend sur le corps de siège de soupape (5) de telle sorte que les orifices d'éjection (7) débouchent à l'intérieur de la rainure unique (37).
  7. Injecteur de carburant selon l'une quelconque des revendications 1 à 6,
    caractérisé en ce que
    la structure de surface rainurée (34) est fabriquée par tournage ou gravure.
EP02800535A 2001-10-02 2002-09-07 Soupape d'injection de carburant Expired - Lifetime EP1434941B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10148597A DE10148597A1 (de) 2001-10-02 2001-10-02 Brennstoffeinspritzventil
DE10148597 2001-10-02
PCT/DE2002/003338 WO2003031806A1 (fr) 2001-10-02 2002-09-07 Soupape d'injection de carburant

Publications (2)

Publication Number Publication Date
EP1434941A1 EP1434941A1 (fr) 2004-07-07
EP1434941B1 true EP1434941B1 (fr) 2005-12-21

Family

ID=7701121

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02800535A Expired - Lifetime EP1434941B1 (fr) 2001-10-02 2002-09-07 Soupape d'injection de carburant

Country Status (6)

Country Link
US (1) US20040129806A1 (fr)
EP (1) EP1434941B1 (fr)
JP (1) JP2005504923A (fr)
AT (1) ATE313711T1 (fr)
DE (2) DE10148597A1 (fr)
WO (1) WO2003031806A1 (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10204656A1 (de) * 2002-02-05 2003-09-25 Bosch Gmbh Robert Brennstoffeinspritzventil
US7191961B2 (en) * 2002-11-29 2007-03-20 Denso Corporation Injection hole plate and fuel injection apparatus having the same
US7124963B2 (en) * 2004-11-05 2006-10-24 Visteon Global Technologies, Inc. Low pressure fuel injector nozzle
US7198207B2 (en) * 2004-11-05 2007-04-03 Visteon Global Technologies, Inc. Low pressure fuel injector nozzle
US7168637B2 (en) * 2004-11-05 2007-01-30 Visteon Global Technologies, Inc. Low pressure fuel injector nozzle
US7185831B2 (en) * 2004-11-05 2007-03-06 Ford Motor Company Low pressure fuel injector nozzle
US7137577B2 (en) * 2004-11-05 2006-11-21 Visteon Global Technologies, Inc. Low pressure fuel injector nozzle
US7438241B2 (en) * 2004-11-05 2008-10-21 Visteon Global Technologies, Inc. Low pressure fuel injector nozzle
US7051957B1 (en) * 2004-11-05 2006-05-30 Visteon Global Technologies, Inc. Low pressure fuel injector nozzle
US7104475B2 (en) * 2004-11-05 2006-09-12 Visteon Global Technologies, Inc. Low pressure fuel injector nozzle
DE102009054399B4 (de) 2009-11-24 2018-03-29 Continental Automotive Gmbh Düsenbaugruppe für ein Einspritzventil und Einspritzventil
DE102009060844A1 (de) * 2009-12-29 2011-06-30 Friedrichs, Arno, 95326 Verfahren zur Herstellung eines Kanäle aufweisenden Kraftstoffeinspritzelementes sowie Kraftstoffeinspritzelement
JP5395007B2 (ja) * 2010-07-22 2014-01-22 日立オートモティブシステムズ株式会社 燃料噴射弁およびそれを搭載した車両用内燃機関
JP6022906B2 (ja) * 2012-11-22 2016-11-09 株式会社日本自動車部品総合研究所 燃料噴射弁
WO2015138425A2 (fr) 2014-03-10 2015-09-17 G.W. Lisk Company, Inc. Soupape d'injecteur
US9790906B2 (en) 2014-08-15 2017-10-17 Continental Automotive Systems, Inc. High pressure gasoline injector seat to reduce particle emissions
CN106150816A (zh) * 2015-05-11 2016-11-23 朱海燕 一种汽车用混合动力系统
CN106150814A (zh) * 2015-05-11 2016-11-23 朱海燕 防积碳喷油器
CN106150817A (zh) * 2015-05-11 2016-11-23 朱海燕 一种混合动力汽车
CN105180948A (zh) * 2015-08-24 2015-12-23 吴红平 可避免连环追尾的导航系统的工作方法
KR101588017B1 (ko) * 2015-08-31 2016-01-25 이구환 고압력 분사용 디스펜서노즐

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07208294A (ja) * 1993-12-31 1995-08-08 Keihin Seiki Mfg Co Ltd 電磁式燃料噴射弁
DE19911928A1 (de) * 1998-03-19 1999-09-30 Toyota Motor Co Ltd Einspritzventil für eine Brennkraftmaschine

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2610927C2 (de) * 1976-03-16 1983-01-27 Institut für Motorenbau Prof. Huber e.V., 8000 München Einspritzdüse zur Kraftstoffeinspritzung in den Brennraum einer Brennkraftmaschine
US4101074A (en) * 1976-06-17 1978-07-18 The Bendix Corporation Fuel inlet assembly for a fuel injection valve
DE3121572A1 (de) * 1981-05-30 1982-12-16 Robert Bosch Gmbh, 7000 Stuttgart "einspritzventil"
JPH0417769A (ja) * 1990-05-09 1992-01-22 Hino Motors Ltd 燃料噴射ノズル
JPH08232813A (ja) * 1995-02-27 1996-09-10 Aisan Ind Co Ltd インジェクタ
JP3478920B2 (ja) * 1996-02-14 2003-12-15 株式会社日立製作所 筒内燃料噴射装置およびそれを搭載した内燃機関
DE19726727A1 (de) * 1997-06-24 1999-01-07 Bosch Gmbh Robert Brennstoffeinspritzventil oder Brennstoffeinspritzdüse
JP3896653B2 (ja) * 1997-10-08 2007-03-22 トヨタ自動車株式会社 内燃機関用燃料噴射弁
DE19804463B4 (de) 1998-02-05 2006-06-14 Daimlerchrysler Ag Kraftstoffeinspritzsystem für Ottomotoren
US6029913A (en) * 1998-09-01 2000-02-29 Cummins Engine Company, Inc. Swirl tip injector nozzle
DE10118163B4 (de) * 2001-04-11 2007-04-19 Robert Bosch Gmbh Brennstoffeinspritzventil

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07208294A (ja) * 1993-12-31 1995-08-08 Keihin Seiki Mfg Co Ltd 電磁式燃料噴射弁
DE19911928A1 (de) * 1998-03-19 1999-09-30 Toyota Motor Co Ltd Einspritzventil für eine Brennkraftmaschine

Also Published As

Publication number Publication date
EP1434941A1 (fr) 2004-07-07
ATE313711T1 (de) 2006-01-15
JP2005504923A (ja) 2005-02-17
US20040129806A1 (en) 2004-07-08
DE10148597A1 (de) 2003-08-21
DE50205379D1 (de) 2006-01-26
WO2003031806A1 (fr) 2003-04-17

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