EP1407134B1 - Dispositif d'injection de carburant haute pression - Google Patents

Dispositif d'injection de carburant haute pression Download PDF

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Publication number
EP1407134B1
EP1407134B1 EP02727273A EP02727273A EP1407134B1 EP 1407134 B1 EP1407134 B1 EP 1407134B1 EP 02727273 A EP02727273 A EP 02727273A EP 02727273 A EP02727273 A EP 02727273A EP 1407134 B1 EP1407134 B1 EP 1407134B1
Authority
EP
European Patent Office
Prior art keywords
pressure
housing
wall part
sealing
valve
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
EP02727273A
Other languages
German (de)
English (en)
Other versions
EP1407134A1 (fr
Inventor
Sieghart Maier
Siegfried Ruthardt
Klaus Wuerth
Thomas Pauer
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 EP1407134A1 publication Critical patent/EP1407134A1/fr
Application granted granted Critical
Publication of EP1407134B1 publication Critical patent/EP1407134B1/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
    • F02M61/20—Closing valves mechanically, e.g. arrangements of springs or weights or permanent magnets; Damping of valve lift
    • F02M61/205—Means specially adapted for varying the spring tension or assisting the spring force to close the injection-valve, e.g. with damping of valve lift
    • 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
    • F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
    • F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
    • 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
    • F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
    • F02M61/10—Other injectors with elongated valve bodies, i.e. of needle-valve type
    • 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
    • F02M61/168—Assembling; Disassembling; Manufacturing; Adjusting
    • 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
    • F02M2200/16—Sealing of fuel injection apparatus not otherwise provided for
    • 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
    • F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
    • F02M2200/8076—Fuel injection apparatus manufacture, repair or assembly involving threaded members
    • 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
    • F02M2200/90—Selection of particular materials
    • F02M2200/9015—Elastomeric or plastic materials

Definitions

  • Such High-pressure fuel device is in the form of a fuel injection valve known from DE 198 27 267 A1 and includes a housing having a first as a valve holding body trained high-pressure body and a second as a valve body trained high-pressure body includes.
  • the two High-pressure bodies lie against each other in a contact surface. Through the contact surface enters a high-pressure chamber in the form of a High-pressure channel through, the fuel under high pressure leads.
  • the housing is in the area of the contact surface of a surrounded by a substantially cylindrical wall part, which is designed as a clamping nut and has a longitudinal axis. Between the housing and the clamping nut is a Leakage oil space is formed, which covers the housing on its entire Circumference surrounds.
  • the patent US 6,047,899 is also a High-pressure fuel device in the form of a fuel injection valve known, wherein the fuel injection valve more High-pressure body comprises.
  • the high pressure bodies are with a Clamping nut pressed together, being between the high pressure bodies and the clamping nut a room with a low Fuel pressure is present.
  • the clamping nut is with a Internal thread on a corresponding external thread on a high-pressure body screwed on while the clamping nut on another High pressure body rests against a shoulder.
  • a sealing ring provided in an annular groove on a high-pressure body is inserted.
  • the leakage oil space, formed between the housing and the wall part is sealed.
  • the fuel between the high pressure bodies passes through the contact surface remains so in the leakage oil chamber, and the high-pressure fuel device is sealed to the outside.
  • first sealing connection Between the wall part and the first high pressure body is formed a first sealing connection and between the wall part and the second high pressure body a second sealing connection. This will cause the leakage oil space sealed in a simple manner and sealing both Connections can be made independently.
  • the wall part is designed as a clamping nut, which is the high pressure body pressed together on the contact surface. In this way becomes the function of sealing to the outside and the function a clamping element for pressing together the high-pressure body united in only one component.
  • At least a sealing connection of the Wandungssteils is with the housing arranged by a between the housing and the wall part Formed sealing ring. This can be a good one Tightness can be achieved, and the sealing ring can be attached to different Be adapted to circumstances.
  • the invention is the leakage oil chamber with a in the housing trained low-pressure space, wherein in the low pressure space always maintained a low fuel pressure becomes. Over this connection the fuel can out drain the leakage oil space and it does not come with time a pressure accumulation in the leakage oil space, resulting in leaks of could cause sealing connections.
  • one of sealing connections of the clamping nut with the housing by the installation of a sealing surface on a housing formed on the Formed contact surface.
  • this embodiment can be applied by the clamping nut pressure force for one of the sealing connections can be used without additional sealing or clamping elements would be necessary.
  • sealing ring made of an elastic material, preferably a plastic or elastomer.
  • a sealing ring can by deforming the space between the wall part and adapt to the housing and thereby seal securely.
  • sealing ring Made of polytetrafluoroethylene (PTFE)
  • PTFE polytetrafluoroethylene
  • the high-pressure fuel device according to the invention when acting as a fuel injector is designed for internal combustion engine, since the occurring here Leakage problems due to measures on the contact surface can not be resolved finally. It revealed Here are some other advantages: The requirements for the Quality of the sealing surfaces of the two high-pressure body is clear reduces, as a certain amount of leakage to the outside in the leakage oil space is acceptable. In addition, results the advantage that the high-pressure body with less force must be pressed together, resulting in a reduction the mechanical tension in the fuel injector leads and thus to lower deformations, otherwise affect the function of the fuel injection valve can.
  • Fig. 1 is an example of a Fuel high-pressure device in longitudinal section in his essential parts.
  • the here as fuel injector trained high-pressure fuel device comprises a housing 1 having a first high pressure body, which is designed as a valve holding body 3, and a second high-pressure body, the valve body as the fifth is formed comprises.
  • the valve holding body 3 is applied a contact surface 30 on the valve body 5 and is by means of designed as a wall part clamping nut 7 against pressed this.
  • a bore 8 is formed, which has a longitudinal axis 15, which also with the Longitudinal axis 15 of the clamping nut 7 coincides.
  • a piston-shaped valve needle 10 is longitudinally displaceable arranged in a combustion chamber facing away from the section is guided sealingly in the bore 8 and the the combustion chamber tapers to form a pressure shoulder 21.
  • the valve needle 10 goes in a substantially conical valve sealing surface 14 over, the formed with a combustion chamber end of the bore 8
  • Valve seat 16 cooperates, which is also substantially is conically shaped and the approximately the same opening angle as the valve sealing surface 14 has.
  • a plurality of injection openings 12 are formed, the valve seat 16 with the combustion chamber of the internal combustion engine connect.
  • a pressure chamber 18 is formed, the one about in the valve body 5 and the valve holding body 3 trained inlet channel 23 with fuel can be filled under high pressure.
  • the inlet channel 23 forms a high-pressure chamber and passes through the contact surface 30 of the two high-pressure body 3, 5 through.
  • the pressure chamber 18 sets to the valve seat 16 as a valve needle 10 surrounding Ring channel 19 continues, allowing fuel from the pressure chamber 18 can flow to the valve seat 16.
  • Valve sealing surface 14 on the valve seat 16 When plant the Valve sealing surface 14 on the valve seat 16 are the injection openings 12 closed, and there is no fuel from the annular channel 19 to the injection openings 12th Lift the valve sealing surface 14 by a longitudinal movement of the Valve needle 10 from the valve seat 16, so fuel flows from the annular channel 19 through the between the valve sealing surface 14 and the valve seat 16 formed gap to the injection openings 12, and fuel is in the combustion chamber of the Internal combustion engine injected.
  • the valve body 5 is in the area in which the valve needle 10 is guided, formed with a cylindrical outer surface, the the combustion chamber to about the height of the pressure chamber 18 tapers to form a contact surface 44, wherein the contact surface 44 in a radial plane to the bore. 8 lies.
  • the clamping nut 7 is substantially as a hollow cylinder formed and surrounds the valve body 5 and a part the valve holding body 3, in particular in the region of the contact surface 30. At its combustion chamber end facing the Clamping nut 7 a collar on which a sealing surface 42nd is formed, which comes to the contact surface 44 to the plant and a first sealing connection between the clamping nut 7 and the housing 1 forms.
  • the clamping nut 7 In the combustion chamber facing away end the clamping nut 7 has an internal thread 38, the in a on the outer circumferential surface of the valve holding body. 3 trained external thread 36 engages.
  • a leakage oil space 30 Between the clamping nut 7 and the valve holding body 3 respectively the valve body 5 is formed a leakage oil space 30, the at the combustion chamber end area through the plant the sealing surface 42 sealed to the contact surface 44 becomes.
  • the sealing is effected by a sealing ring 50, the between the clamping nut 7 and the valve holding body 3 is clamped is and thus forms a second sealing connection.
  • Fig. 2 shows for clarity an enlargement of II designated area of Fig. 1, where the sealing ring 50 in Cross section is shown.
  • the sealing ring 50 is made of an elastic Material manufactured, for example, from rubber or a plastic, so that it can deform accordingly and a sealing connection of the clamping nut 7 with the valve holding body 3 creates. Especially polytetrafluoroethylene This is advantageous because this plastic largely is chemically inert.
  • the leakage oil space 30 is thus sealed, and it can not get fuel out.
  • the bore 8 goes into a valve holding body 3 trained piston bore 26 via, at the transition has a slightly larger diameter than the bore 8.
  • a pressure piece 25 is arranged, the end face of the valve needle facing away from the combustion chamber 10 is present.
  • the pressure piece 25 is followed
  • Valve piston 27, which is also in the piston bore 26th is guided and arranged coaxially with the valve needle 10.
  • the valve piston 27 may have a closing force via the pressure piece 25 exert on the valve needle 10, so that with its valve sealing surface 14 pressed against the valve seat 16 becomes.
  • a Closing spring 28 is arranged, which faces away from the valve needle 10 supported on a ring shoulder 29 and with their other End on the pressure piece 25.
  • the closing spring 28 Since the closing spring 28 is pressure-biased is, it exerts a closing force on the valve needle 10 off, these - especially when not running internal combustion engine - Holds in its closed position.
  • the piston bore 26 is shown with a not shown in the drawing Leakage oil system connected so that the piston bore 26 a Low pressure space forms, in which always a lower Fuel pressure prevails. About the annular gap between the Valve needle 10 and the wall of the hole 8 can only very little Fuel from the pressure chamber 18 in the piston bore 26th arrive, which then immediately drained into the drain system becomes.
  • valve needle 10 in the bore 8 and thus the control of the timing and duration of the injection takes place in the way that the closing force on the valve needle 10 is controlled.
  • device By one in the drawing not shown device is facing away from the combustion chamber End of the valve piston 27 exerted a force which is controllable is.
  • high pressure fuel source passed under high pressure in the pressure chamber 18, wherein during of the entire operation a given high pressure in Pressure chamber 18 is maintained.
  • the fuel pressure in the pressure chamber 18 and thus also in the annular channel 19 results a hydraulic force on the pressure shoulder 21 and on parts of the valve sealing surface 14, the closing force of Counteract valve piston 27 and closing spring 28.
  • Fig. 3 shows an enlargement of Fig. 1 in III designated Detail of an embodiment of the invention.
  • the sealing ring 50 is not here at the end of the clamping nut. 7 arranged, but is located in an annular groove 52, the surrounds the valve holding body 3 on its entire circumference.
  • the annular groove 52 is arranged in the external thread 36, so that seen in the direction of the longitudinal axis 15 on both Side of the annular groove 52 is a part of the external thread 36.
  • the sealing ring 50 is before screwing the clamping nut 7 arranged in the annular groove 52, so that the Clamping nut 7 with the internal thread 38 when mounting over the sealing ring 50 moves.
  • Fig. 4 shows a further embodiment of the invention Fuel injection valve in a cutout in the region of the contact surface 30.
  • the connecting channel 34 is not here as a groove in an end face of the valve holding body 3 formed, but as a bore in the valve holding body 3, with the longitudinal axis 15 an angle of, for example 45 °.
  • the connecting channel 34 can in this case of emanating from any point of the leakage oil space, so that the remaining functional elements are not affected.
  • a leakage oil space In addition to the arrangement of a leakage oil space according to the invention It can also be provided to a fuel injection valve be a wall part on every other high-pressure fuel device to use in which a high pressure room with Fuel under high pressure through the contact surface of two High pressure body passes.
  • the leakage oil space can also be in In this case, connected to a corresponding leakage oil system become.

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

Claims (6)

  1. Dispositif de carburant à haute pression comportant un boítier (1) formé d'un premier corps haute pression (3) et d'un second corps haute pression (5) appliqués l'un contre l'autre par une surface d'appui (30) traversée par une chambre haute pression (23) réalisée dans le boítier (1), et dans laquelle règne au moins de temps en temps une haute pression de carburant, ainsi qu'une partie de paroi (7) en forme de manchon ayant un axe longitudinal (15) et entourant le boítier (1) au moins au niveau de la surface d'appui (30) contre la surface-enveloppe extérieure, de façon à réaliser une chambre de fuite d'huile (32) entre la partie de paroi (7) et le boítier (1), cette chambre (32) étant étanche vis-à-vis de l'extérieur, et avec deux liaisons d'étanchéité prévues entre la partie de paroi (7) et le boítier (1), l'une des liaisons d'étanchéité étant formée entre la partie de paroi (7) et le premier corps haute pression (3), et la seconde liaison étanche étant formée entre la partie de paroi (7) et le second corps haute pression (5),
    la partie de paroi étant un écrou de serrage (7) coopérant avec un filetage extérieur réalisé sur le boítier (1) de façon à presser l'un contre l'autre les deux corps haute pression (3, 5),
    caractérisé en ce qu'
    au moins l'une des liaisons étanche entre la partie de paroi (7) et le boítier (1) est formée par un joint d'étanchéité (50) prévu entre le boítier (1) et la partie de paroi (7), ce joint étant logé dans une rainure annulaire (52) réalisée dans le filetage extérieur (36).
  2. Dispositif de carburant à haute pression selon la revendication 1,
    caractérisé en ce qu'
    on réalise dans le boítier (1) une chambre basse pression dans laquelle règne une pression significativement plus faible que dans la chambre haute pression (23), et qui est reliée à la chambre à fuite d'huile (32).
  3. Dispositif de carburant à haute pression selon la revendication 1,
    caractérisé en ce que
    l'une des liaisons d'étanchéité de la partie de paroi (7) avec le boítier (1) est formée par la venue en appui d'une surface d'étanchéité (42) réalisée sur la partie de paroi (7) contre une surface d'appui (44) réalisée sur le boítier (1).
  4. Dispositif de carburant à haute pression selon la revendication 1,
    caractérisé en ce que
    le joint d'étanchéité (50) est en une matière déformable élastiquement, de préférence en matière plastique ou en élastomère.
  5. Dispositif de carburant à haute pression selon la revendication 4,
    caractérisé en ce que
    le joint d'étanchéité (50) est en polytétrafluoréthylène ou en une matière plastique contenant du polytétrafluoréthylène.
  6. Dispositif de carburant à haute pression selon l'une des revendications précédentes,
    caractérisé en ce qu'
    il est réalisé sous la forme d'un injecteur de carburant pour des moteurs à combustion interne.
EP02727273A 2001-07-07 2002-03-27 Dispositif d'injection de carburant haute pression Expired - Lifetime EP1407134B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10133167 2001-07-07
DE10133167A DE10133167A1 (de) 2001-07-07 2001-07-07 Kraftstoffhochdruckvorrichtung
PCT/DE2002/001111 WO2003004866A1 (fr) 2001-07-07 2002-03-27 Dispositif d'injection de carburant haute pression

Publications (2)

Publication Number Publication Date
EP1407134A1 EP1407134A1 (fr) 2004-04-14
EP1407134B1 true EP1407134B1 (fr) 2005-01-26

Family

ID=7691085

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02727273A Expired - Lifetime EP1407134B1 (fr) 2001-07-07 2002-03-27 Dispositif d'injection de carburant haute pression

Country Status (6)

Country Link
US (1) US7014130B2 (fr)
EP (1) EP1407134B1 (fr)
JP (1) JP4164026B2 (fr)
BR (1) BR0205720B1 (fr)
DE (2) DE10133167A1 (fr)
WO (1) WO2003004866A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10155413A1 (de) * 2001-11-10 2003-05-22 Bosch Gmbh Robert Ventil zum Steuern von Flüssigkeiten
JP2006207480A (ja) * 2005-01-28 2006-08-10 Bosch Corp 燃料噴射弁
JP2006233821A (ja) * 2005-02-23 2006-09-07 Bosch Corp 燃料噴射弁
DE102005015735A1 (de) * 2005-04-06 2006-10-12 Robert Bosch Gmbh Brennstoffeinspritzventil
DE102005040366A1 (de) 2005-08-26 2007-03-01 Robert Bosch Gmbh Kraftstoffhochdruckvorrichtung
DE102006050065A1 (de) * 2006-10-24 2008-04-30 Siemens Ag Fluiddosiervorrichtung
AU2011209865B2 (en) * 2010-01-27 2013-05-16 Halliburton Energy Services, Inc. Optical measurement device
JP5304861B2 (ja) * 2010-12-17 2013-10-02 株式会社デンソー 燃料噴射装置
DE102011076957A1 (de) 2011-06-06 2012-12-06 Robert Bosch Gmbh Kraftstoffeinspritzventil für Brennkraftmaschinen
US11192210B2 (en) * 2016-10-31 2021-12-07 Cummins Inc. Injector sleeve assembly and method for field repair procedure

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4200231A (en) * 1978-06-19 1980-04-29 General Motors Corporation Fuel injector nozzle
DE3120060A1 (de) * 1981-05-20 1982-12-09 Robert Bosch Gmbh, 7000 Stuttgart Kraftstoff-einspritzduese fuer brennkraftmaschinen
US4485969A (en) 1982-02-19 1984-12-04 General Motors Corporation Electromagnetic unit fuel injector with cartridge type solenoid actuated valve
IT1166995B (it) * 1982-11-25 1987-05-06 Lucas Ind Plc Ugello di iniezione di combustibile
JPH01244144A (ja) * 1988-03-25 1989-09-28 Yamaha Motor Co Ltd エンジンの高圧燃料噴射装置
US5443209A (en) * 1994-08-02 1995-08-22 Diesel Technology Company High pressure diesel fuel injector for internal combustion engines
US5862995A (en) 1996-04-01 1999-01-26 Diesel Technology Company High pressure fluid passage sealing for internal combustion engine fuel injectors and method of making same
DE19739905A1 (de) * 1997-09-11 1999-03-18 Bosch Gmbh Robert Kraftstoffeinspritzventil
US6047899A (en) * 1998-02-13 2000-04-11 Caterpillar Inc. Hydraulically-actuated fuel injector with abrupt end to injection features

Also Published As

Publication number Publication date
BR0205720A (pt) 2003-07-29
US7014130B2 (en) 2006-03-21
JP4164026B2 (ja) 2008-10-08
EP1407134A1 (fr) 2004-04-14
WO2003004866A1 (fr) 2003-01-16
DE10133167A1 (de) 2003-01-23
JP2004521265A (ja) 2004-07-15
DE50202128D1 (de) 2005-03-03
BR0205720B1 (pt) 2011-05-17
US20040069279A1 (en) 2004-04-15

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