EP0968364B1 - Kraftstoffversorgungsanlage - Google Patents

Kraftstoffversorgungsanlage Download PDF

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Publication number
EP0968364B1
EP0968364B1 EP98905226A EP98905226A EP0968364B1 EP 0968364 B1 EP0968364 B1 EP 0968364B1 EP 98905226 A EP98905226 A EP 98905226A EP 98905226 A EP98905226 A EP 98905226A EP 0968364 B1 EP0968364 B1 EP 0968364B1
Authority
EP
European Patent Office
Prior art keywords
fuel
electrical
housing part
housing
fuel supply
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
EP98905226A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0968364A1 (de
Inventor
Edwin Fauser
Stephan Kleppner
Kurt Frank
Hans-Peter Braun
Wolfgang BÜSER
Klaus-Dieter Hufnagel
Willi Strohl
Jochen Rose
Wolfgang Hiller
Erich Eiler
Frantisek Buric
Jaroslav Moucka
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
Priority to EP20020018835 priority Critical patent/EP1260698B1/de
Publication of EP0968364A1 publication Critical patent/EP0968364A1/de
Application granted granted Critical
Publication of EP0968364B1 publication Critical patent/EP0968364B1/de
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
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/46—Details, component parts or accessories not provided for in, or of interest apart from, the apparatus covered by groups F02M69/02 - F02M69/44
    • 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
    • F02M37/10—Feeding by means of driven pumps electrically driven submerged in fuel, e.g. in reservoir
    • 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
    • F02M51/005—Arrangement of electrical wires and connections, e.g. wire harness, sockets, plugs; Arrangement of electronic control circuits in or on fuel injection apparatus
    • 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
    • F02M51/08—Injectors peculiar thereto with means directly operating the valve needle specially for low-pressure fuel-injection
    • 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
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/46—Details, component parts or accessories not provided for in, or of interest apart from, the apparatus covered by groups F02M69/02 - F02M69/44
    • F02M69/462—Arrangement of fuel conduits, e.g. with valves for maintaining pressure in the pipes after the engine being shut-down
    • 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
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/46—Details, component parts or accessories not provided for in, or of interest apart from, the apparatus covered by groups F02M69/02 - F02M69/44
    • F02M69/462—Arrangement of fuel conduits, e.g. with valves for maintaining pressure in the pipes after the engine being shut-down
    • F02M69/465—Arrangement of fuel conduits, e.g. with valves for maintaining pressure in the pipes after the engine being shut-down of fuel rails
    • 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
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/46—Details, component parts or accessories not provided for in, or of interest apart from, the apparatus covered by groups F02M69/02 - F02M69/44
    • F02M69/54—Arrangement of fuel pressure regulators
    • 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
    • F02M2200/31—Fuel-injection apparatus having hydraulic pressure fluctuations damping elements
    • F02M2200/315—Fuel-injection apparatus having hydraulic pressure fluctuations damping elements for damping fuel pressure fluctuations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/85954—Closed circulating system
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/85978—With pump
    • Y10T137/86035—Combined with fluid receiver
    • Y10T137/86043—Reserve or surge receiver

Definitions

  • the invention is based on a fuel supply system according to the preamble of claim 1.
  • a fuel supply system of an internal combustion engine usually includes several aggregates.
  • a fuel pump delivers fuel from a Fuel supply from a fuel tank different aggregates until the fuel is finally in reaches a combustion chamber of the internal combustion engine.
  • One of the Aggregate is, for example, a pressure regulator Fuel storage, a pressure damper, a fuel filter or a fuel injector.
  • one of the units for example the Pressure regulator, itself or a component of this unit, is electrically conductive, but the electrically conductive Component or the unit arranged electrically isolated is, for example, in that the unit on one existing non-conductive plastic base body is.
  • the fuel supply system according to the invention with the characteristic features of claim 1 has in contrast the advantage that an electrostatic charge of the electrically conductive component is prevented and a any source of danger caused thereby is eliminated with a very little effort reliable, durable electrical contact between the electrically conductive housing part and the electrical potential is created.
  • the fuel supply system designed according to the invention is used to supply fuel to a Internal combustion engine.
  • fuel is petrol or Diesel, but because petrol is particularly flammable, the fuel supply system is proposed Execute at least according to the invention if it is the fuel is petrol.
  • FIG. 1 shows a fuel tank 2.
  • Der Fuel tank 2 has in its upper wall an opening 4.
  • the opening 4 is made of plastic existing lid 6 closed.
  • the lid 6 is with Help not shown screws on the top wall the fuel tank 2 screwed tight.
  • the cover 6 is made of plastic.
  • a pressure regulator 8 in terms of function and form firmly integrated.
  • the pressure regulator 8 has a housing 10 In the exemplary embodiment shown, there is the housing 10 from a first housing part 11 and a second Housing part 12.
  • the housing 10 there is one Membrane unit 14.
  • the membrane unit 14 comprises a membrane 15, a first Plate 16, a second plate 17 and a closing body 18.
  • the plates 16 and 17 are in the middle of the Membrane 15 firmly connected to the membrane 15. On hers The outer circumference is the membrane 15 between the first Housing part 11 and the second housing part 12 installed.
  • the first plate 16 holds the closing body 18, the for example, a flattened ball.
  • the membrane 15 consists of one or more, preferably two Layers of flexible plastic sheets.
  • Fuel pump 32 sucks fuel from one in the Fuel tank 2 existing fuel tank 34 and delivers the fuel through a pressure line 36 the inlet side 24a into the channel 24. Through the channel 24 the fuel reaches the further side 24b and then, for example, not shown in FIG. 1 Injectors. The fuel passes through the channel 24 also through the passage 28 into the first space 21. Is the Pressure in the first space 21 less than a certain one Opening pressure, then the closing body 18 is on the Valve seat 29 and the first space 21 is opposite Return channel 26 completed.
  • Closing body 18 of the membrane unit 14 from the valve seat 29, and excess fuel can flow out of the channel 24 the first space 21, through the gap between the valve seat 29 and the closing body 18 and then through the return channel 26 get back into the fuel tank 2.
  • a Closing spring 38 acts on the plate 17 and thus the Closing body 18 against the valve seat 29.
  • Closing spring 38 or in addition to closing spring 38 can be a in the second space 22 prevailing pressure to generate the the closing body 18 against the valve seat 29 serve closing force.
  • the housing 10 is made of metal and therefore a is a highly electrically conductive component, it charges up the entire housing 10 builds up charge one place and in no time because the charge of the entire housing 10 flows in the place of the rollover. This means that the risk that the electrical flashover reaches a size that leads to a Ignition of a fuel-air mixture leads. A certain ignitable mixture inside or outside the Fuel tank 2 in the area of Fuel supply system can not always avoid completely.
  • an electrical housing 10 Connection 40 with a defined electrical potential 41 to connect To the dangerous electrostatic charge of the itself to avoid electrically insulated housing 10, it is proposed to use an electrical housing 10 Connection 40 with a defined electrical potential 41 to connect.
  • the electrical conductor 44 defined electrical potential 41 In the selected embodiment provides, for example, the electrical conductor 44 defined electrical potential 41.
  • the electrical conductor 44 is used to power the Fuel pump 32.
  • the fuel pump 32 is over the electrical conductor 44 and a second electrical conductor 44 'to a power supply, not shown connected.
  • the electrical conductor 44 is for example is a negative pole and the second electrical conductor 44 ' for example a positive pole.
  • the electrical conductor 44 and so that the negative pole is, for example, with the electrical Mass of the motor vehicle in which the fuel supply system for example, is connected. It is also possible that the electrical conductor 44 of the positive pole and second electrical conductor 44 'is the negative pole. Depending on The positive pole or the negative pole can be used with the electrical ground of the motor vehicle.
  • the electrical connection 40 includes, for example simple, relatively thin, insulated wire or one with Insulation material covered, flexible, thin, metallic Wire 42.
  • the electrical conductors 44 and 44 ' open into one Plug 46, which in a on the housing of the fuel pump 32nd provided mating connector is inserted. Within the Plug 46 is the wire 42 of the electrical connection 40 electrically connected to the electrical conductor 44.
  • the Inserting wire 42 next to electrical connection 40 the conductors 44, 44 'in the plug 46 is without significant additional effort easily possible.
  • Figure 2 shows an example of the area of Connection 50 as a detail.
  • FIG. 2 shows the second housing part 12 of the housing 10 of the pressure regulator 8.
  • the housing part 12 consists of formed sheet metal.
  • a tab 52 is formed on the housing part 12 by punching out.
  • a plug 54 is attached to the end of the wire 42 facing the housing 10.
  • the plug 54 has a shape which is common in automotive engineering as a simply designed plug.
  • the tab 52 is shaped so that the plug 54 can be plugged directly onto the tab 52.
  • the tab 52 is located in the region of the cylindrical outer surface of the housing part 12 of the housing 10.
  • FIGS. 4a and 4b show an example of a modified connection 50 between the electrical connection 40 and the housing 10 made of electrically conductive material.
  • Figure 4b shows a portion of the electrical insulating body 30.
  • the electrically insulating Body 30 there is a recess shown on the end face 58.
  • the pressure regulator 8 is installed in this recess 58.
  • the Bracket 60 consists of spring steel and thus of one electrically conductive material and it has two legs and an arch region connecting the two legs.
  • the tab 52 consists of a simple sheet metal strip.
  • the Tab 52 is on the arc area of the clip 60 to the clip 60 welded or soldered.
  • Figure 4b shows the Tab 52 before plugging in the plug 54
  • the figure 4a shows an IVa in FIG. 4b Section plane after plugging the plug 54 into the Tab 52.
  • the wire 42 is above the clip 60 in electrical contact with the housing 10.
  • FIG. 5 shows a further, selected, particularly advantageous exemplary embodiment.
  • the opening 39 by bending the sheet from which the Housing part 12 is made inwards into the room 22nd emerged.
  • the plug 54 with Press inserted.
  • the second housing part 12 creates a shape in the opening 39, which acts like barbs, so that the insertion of the Plug 54 in the opening 39 is easily possible, but a unintentional slipping of the plug 54 out of the opening 39 is prevented.
  • the plug 54 can slip out also or additionally by a provided on the connector 54 radially outwardly resilient tab 55 can be prevented, the while inserting the plug 54 into the opening 39 compresses, then resumes its starting position and this creates a positive, secure connection.
  • Figure 6 shows a further advantageous embodiment.
  • the electrical connection 40 is connected here ( Figure 1) via a clamping spring belonging to the housing part 12 74 ''.
  • the clamping spring 74 "is made of resilient flat material bent and essentially forms a circle with a Inside diameter, which is less than when unstressed the outer diameter of the housing part 12.
  • the clamp spring 74 '' is helically wound with a small pitch and has two legs 74c and 74d. By pressing the two Legs 74c, 74d can be the inside diameter of the clamping spring 74 '' can be enlarged elastically so that the clamping spring 74 '' slipped over the cylindrical part of the housing part 12 can be. After releasing the two legs 74c, 74d the spring 74 '' springs radially inwards and is jammed itself with the cylindrical region of the housing part 12.
  • the leg 74c is shaped such that it connects with the plug 54 ( Figure 2) can be plugged together.
  • Figures 7a and 7b show a further advantageous embodiment.
  • the electrical connection 40 via a on the housing 10 provided pipe clamp.
  • the pipe clamp of the housing 10 consists of flat material, one end of which Flat material is shaped so that this end with the Plug 54 ( Figure 2) can be plugged together.
  • FIG. 8 shows a further, preferably selected, advantageous exemplary embodiment.
  • FIG. 8 illustrated embodiment are the electrical insulating body 30, the housing 10, the membrane unit 14 and a stop 29 'provided on the body 30 are the essential ones Parts of a memory 8 '.
  • the memory 8 'at Pressure changes in the channel 24 relatively much or relatively little Absorbs or releases fuel the memory 8 'only serves for smoothing sharp pressure pulsations in channel 24, or the memory 8 'can larger quantities when pressure increases Take up fuel, which he then again when the pressure drops emits, so that the memory 8 'effective as a Fuel storage can work.
  • FIG The illustrated embodiment eliminates the valve seat 29 (Fig. 1).
  • the membrane unit 14 comes on the body 30 provided stop 29 'to the system, and the in Return channel 26 shown in FIG. 1.
  • FIG. 9 shows a further, selected, particularly advantageous exemplary embodiment.
  • FIG. 9 In the embodiment shown in Figure 9 is a circumferential groove 62 in the recess 58 intended.
  • a snap ring 64 is in the groove 62 used. The snap ring 64 holds you by crimping of the two housing parts 11, 12 formed on the housing 10, radially protruding, circumferential bead against a shoulder 66 the depression 58 in the electrically insulating body 30.
  • the pressure regulator is located 8 is not on the cover 6 (Fig. 1) but the pressure regulator 8 to a plastic fuel rail 78 grown.
  • a plastic fuel rail 78 grown.
  • an injection valve 80 connected.
  • the fuel rail 78 has several further pages 24b branching off from the channel 24 which are each connected to an injection valve, where for better clarity because of only one of the Injector 80 is shown. All injectors can be designed the same and connected the same.
  • the injection valve 80 has a made of conductive material, preferably made of metal, existing housing part 82.
  • Im Housing part 82 there is a bore 84 through which, controlled through a valve body 86, fuel from the channel 24 of the Fuel rail 78 in an example Plastic existing suction tube, not shown Internal combustion engine with high flow speed can flow off.
  • this is made of plastic existing fuel rail 78 the electrical insulating body 30.
  • a suction pipe can also electrostatic charging of the injector 80 is not be prevented if the intake manifold, as is often the case, is off electrically non-conductive material, e.g. B. plastic, consists.
  • the housing part 82 is an electrical Connection 40 'with the defined electrical potential 41 connected.
  • the wire 42 'of the electrical connection 40' is for example connected to a wire of a cable 88, via which the injection valve 80 on a not shown Control unit is electrically connected. With this In one embodiment, one of the wires in the cable 88 forms the defined electrical potential 41.
  • the wire 42 of the electrical connection 40 On the same electrically conductive wire of the cable 88 to which the wire 42 'of the electrical connection 40' is connected also the wire 42 of the electrical connection 40 be connected. Which of the wires in the cable 88 for the defined electrical potential 41 is used, doesn't matter in principle.
  • the cable 88 is over one Plug 90 connected to the injector 80. It does not require any significant additional effort, together with the Cable 88 also connects wires 42 and 42 'to connector 90 to join. You also get the advantage that for the wires 42 and 42 'a short length is sufficient because the connector 90 in the area before electrostatic Charging components to be protected.
  • the wire 42 'of the electrical connection 40' is over a Connection 50 'with the electrically conductive Housing part 82 of the injector 80 connected.
  • the Terminal connection 50 ' can be designed the same as it is with regard to the connection 50 using several figures is shown.
  • the pressure regulator 8 ( Figure 1, 9), the memory 8 '( Figure 8), the injection valve 80 (FIG. 9) and possibly others Components of the fuel supply system, such as for example a fuel filter, are aggregates of Fuel supply system that is an electrically conductive Have component or several electrically conductive components, such as the housing parts 11, 12 ( Figure 1, 8, 9) or the housing part 82 ( Figure 9), because of the electrical insulating body 30, for example the cover 6 ( Figure 1, 8) or the fuel rail 78 (Fig. 9) or another made of non-conductive material electrically insulating body, from an electrical Conductor that has the defined electrical potential 41 could represent are electrically isolated.
  • the pressure regulator 8 and the accumulator 8 ' are hydraulic working aggregates, which in themselves have no electrical Need connection.
  • the electrical connection 40 is used for Connection of the existing of electrically conductive material Component of the pressure regulator 8 or the memory 8 'with the defined electrical potential 41.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
EP98905226A 1997-03-22 1998-01-09 Kraftstoffversorgungsanlage Expired - Lifetime EP0968364B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20020018835 EP1260698B1 (de) 1997-03-22 1998-01-09 Kraftsoffversorgungsanlage

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE1997112155 DE19712155A1 (de) 1997-03-22 1997-03-22 Kraftstoffversorgungsanlage
DE19712155 1997-03-22
PCT/DE1998/000056 WO1998042973A1 (de) 1997-03-22 1998-01-09 Kraftstoffversorgungsanlage

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP20020018835 Division EP1260698B1 (de) 1997-03-22 1998-01-09 Kraftsoffversorgungsanlage

Publications (2)

Publication Number Publication Date
EP0968364A1 EP0968364A1 (de) 2000-01-05
EP0968364B1 true EP0968364B1 (de) 2003-09-17

Family

ID=7824347

Family Applications (2)

Application Number Title Priority Date Filing Date
EP20020018835 Expired - Lifetime EP1260698B1 (de) 1997-03-22 1998-01-09 Kraftsoffversorgungsanlage
EP98905226A Expired - Lifetime EP0968364B1 (de) 1997-03-22 1998-01-09 Kraftstoffversorgungsanlage

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP20020018835 Expired - Lifetime EP1260698B1 (de) 1997-03-22 1998-01-09 Kraftsoffversorgungsanlage

Country Status (8)

Country Link
US (2) US6435163B1 (pt)
EP (2) EP1260698B1 (pt)
JP (1) JP4108764B2 (pt)
KR (1) KR100633269B1 (pt)
BR (1) BR9808623A (pt)
DE (3) DE19712155A1 (pt)
ES (2) ES2209114T3 (pt)
WO (1) WO1998042973A1 (pt)

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US20020124833A1 (en) 2002-09-12
DE19712155A1 (de) 1998-09-24
US6435163B1 (en) 2002-08-20
KR100633269B1 (ko) 2006-10-13
EP1260698B1 (de) 2006-10-18
ES2274937T3 (es) 2007-06-01
KR20010005516A (ko) 2001-01-15
US6802301B2 (en) 2004-10-12
DE59813776D1 (de) 2006-11-30
ES2209114T3 (es) 2004-06-16
EP0968364A1 (de) 2000-01-05
JP2001517283A (ja) 2001-10-02
EP1260698A3 (de) 2004-08-04
BR9808623A (pt) 2000-05-16
WO1998042973A1 (de) 1998-10-01
EP1260698A2 (de) 2002-11-27
JP4108764B2 (ja) 2008-06-25
DE59809647D1 (de) 2003-10-23

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