EP0954697B1 - Kraftstoffpumpvorrichtung für zweitaktmotoren mit einer zusätzlichen antriebseinheit - Google Patents
Kraftstoffpumpvorrichtung für zweitaktmotoren mit einer zusätzlichen antriebseinheit Download PDFInfo
- Publication number
- EP0954697B1 EP0954697B1 EP97935469A EP97935469A EP0954697B1 EP 0954697 B1 EP0954697 B1 EP 0954697B1 EP 97935469 A EP97935469 A EP 97935469A EP 97935469 A EP97935469 A EP 97935469A EP 0954697 B1 EP0954697 B1 EP 0954697B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fuel
- diaphragm
- stroke
- pumping device
- pump
- 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
Links
- 239000000446 fuel Substances 0.000 title claims description 29
- 238000005086 pumping Methods 0.000 title claims 7
- 230000006835 compression Effects 0.000 claims description 17
- 238000007906 compression Methods 0.000 claims description 17
- 230000010349 pulsation Effects 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 239000012528 membrane Substances 0.000 description 24
- 239000003570 air Substances 0.000 description 11
- 238000002347 injection Methods 0.000 description 11
- 239000007924 injection Substances 0.000 description 11
- 239000002828 fuel tank Substances 0.000 description 4
- 230000036316 preload Effects 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000012080 ambient air Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000035485 pulse pressure Effects 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
- F02M59/10—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive
- F02M59/107—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive pneumatic drive, e.g. crankcase pressure drive
-
- 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
- F02M37/12—Feeding by means of driven pumps fluid-driven, e.g. by compressed combustion-air
-
- 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
- F02M51/04—Pumps peculiar thereto
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
- F04B17/04—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors using solenoids
- F04B17/042—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors using solenoids the solenoid motor being separated from the fluid flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
- F04B9/12—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air
- F04B9/123—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having only one pumping chamber
- F04B9/125—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having only one pumping chamber reciprocating movement of the pumping member being obtained by a double-acting elastic-fluid motor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
- F04B9/12—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air
- F04B9/123—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having only one pumping chamber
- F04B9/127—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having only one pumping chamber rectilinear movement of the pumping member in the working direction being obtained by a single-acting elastic-fluid motor, e.g. actuated in the other direction by gravity or a spring
Definitions
- the invention relates to a fuel pump device for an internal combustion engine operating on the two-stroke principle according to the preamble of claim 1.
- Such a fuel pump device is from the DE 37 27 266 A1 known.
- This document describes one Diaphragm piston pump, the fuel used to operate an injector promotes and condenses.
- the diaphragm piston pump from a fuel tank via a pre-feed pump the fuel supplied.
- the fuel compressed there is conveyed to the injection valve.
- the diaphragm piston pump receives its drive from the crankcase of the Internal combustion engine derived pulse air. Therefor a membrane sits on the piston compressing the fuel, the pulse air on the side facing away from the piston is applied.
- the one in the crankcase during a The resulting overpressure actuates the compression piston.
- a mechanical stroke takes care of the return stroke of the compression piston Spring in combination with the crankcase vacuum in the compression stroke of the two-stroke engine.
- DE 41 25 593 A1 describes a comparable diaphragm piston pump described for a fuel injection in which the return stroke of the compression piston via a leaf spring assembly he follows.
- the spring rate of the leaf spring assembly is mechanical changeable with a set screw.
- the fuel pump device includes at least a diaphragm piston pump with the pulse air connection in one between the diaphragm and the pump piston Housing room opens. At least there is an effect on each side of the membrane a spring element, which is arranged in the housing space Spring element over the separate pump piston on the membrane supported.
- the impulse air is directly in connection with the pump piston.
- The has the advantage on the one hand that the inflowing from the crankcase oily impulse air the moving parts in this housing section lubricates so that the spring pads and the Seal between the pump piston and the housing part guiding it wear less.
- the fuel pump device with a drive unit equipped, at least in the occasionand / or Idle phase supported.
- the drive unit works by means of a synchronous to the pressure pulsation in the crankcase included gas amount oscillating preload ram the membrane on the pump piston. This will at least Start and / or idle speed, i.e. with low pressure pulsation a minimum required for the function of the two-stroke engine Injection pressure generated.
- the drive unit can, for example, be a permanent magnet generator be the magnet at the right time supplies the necessary energy.
- the dynamic coordination of the electromagnetic actuator is preferably done with regard for the optimal function at start or idle. at the higher the engine speed, the electrical support will not needed more. The pressure pulsation is then sufficient to achieve the minimum To generate injection pressure.
- the pretensioning plunger of the drive unit also support the only spring element that et al causes the compression stroke of the pump piston.
- the diaphragm piston pump can be equipped with a hand switch become.
- a hand switch For this purpose, for example, the preload ram of the electrical Drive unit from the opposite the back of the Membrane lying housing part led out in the form of a hand switch. Pressing the manual button causes a compression stroke of the pump piston.
- the preload ram of the electrical Drive unit from the opposite the back of the Membrane lying housing part led out in the form of a hand switch. Pressing the manual button causes a compression stroke of the pump piston.
- the hand switch e.g. at Small two-stroke engines, as used in hand-held tools be used after a complete fuel tank drain or the injection line after a long standstill and the injection valve are prefilled, so that the starting process is shortened.
- the diaphragm piston pump described is constructed so that the Valves and the compression chamber can be separated from the components that surround the diaphragm and guide the pump piston. This makes maintenance and repair easier, on the one hand, and others manufacturing.
- FIG. 1 shows the functional diagram of a fuel pump device for a direct injection system like the one at Two-stroke engines can be used.
- the fuel pressure will generated with a diaphragm piston pump (10).
- the diaphragm piston pump (10) sucks via inside a pump housing (11) arranged suction valve (61) the fuel for example via a filter (2) from a fuel tank (1).
- On some of the fuel escapes from the pressure side a pressure relief valve (80) e.g. in the fuel tank (1).
- the pump piston (22) projects into the rear end Space (13) of the pump housing (11), which is pneumatically connected to the crankcase the internal combustion engine working according to the two-stroke principle connected.
- this impulse air space (13) the pump piston (22) via a spring element (15) against one reinforced with a membrane plate (42) Membrane (41) pressed.
- a membrane plate (42) Membrane (41) pressed on the back of the membrane (41) an ambient air space is enclosed by a housing cover (31) (33), in which two further spring elements (35) and (94) are arranged. Both spring elements (35, 94) act on the other Spring element (15) counter.
- the preloaded spring elements (15, 35, 94) hold the membrane (41) in a central position, provided the same air pressure on both sides of the membrane (41) abuts and a drive unit arranged on the housing cover (31) (90) is switched off in a rest position.
- the drive unit (90) is a lifting magnet that acts as an armature has a preload tappet (91).
- the preload ram (91), which is arranged in the housing cover (31) coaxially to the pump piston (22) consists of a shaft (92) and a yoke plate (93).
- the shaft (92) acts directly on the spring element (94).
- the winding (96) is energized synchronously with the compression cycle.
- the winding is energized by a control (99) causes.
- the signal for energizing is given by a pressure sensor (97), for example with the pulse air connection (14) is connected pneumatically.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Reciprocating Pumps (AREA)
- Fuel-Injection Apparatus (AREA)
Description
- Figur 1:
- Kraftstoffpumpvorrichtung für eine Direkteinspritzung;
Claims (6)
- Kraftstoffpumpvorrichtung für Zweitaktmotoren mit einem mindestens einteiligen Gehäuse (11), an dem ein mit dem Kurbelgehäuse des Zweitaktmotors pneumatisch verbundener Impulsluftanschluss (14), ein Kraftstoffsauganschluss und ein Kraftstoffdruckanschluss angeordnet ist, in dem eine mit Impulsluft beaufschlagte Membrane (41) einen Pumpenkolben (22) antreibt, wobei im Pumpensaughub am Kraftstoffsauganschluss zulaufender Kraftstoff über ein Rückschlagventil (61) in die vor dem Pumpenkolben (22) liegende Verdichtungskammer (51) angesaugt wird und im Druckhub über ein weiteres Rückschlagventil (71) in den Kraftstoffdruckanschluss gepumpt wird, wobei der Impulsluftanschluss (14) in einem ersten Gehäuseraum (13) mündet, in den auch der Pumpenkolben (22) ragt und der auf einer Seite von der Membran (41) begrenzt ist, wobei auf jede Seite der Membrane (41) mindestens ein Federelement (15, 35) wirkt, wobei sich das im Gehäuseraum (13) angeordnete Federelement (15) über den separaten Pumpenkolben (22) an der Membrane (41) abstützt und wobei sich das in einem auf der Rückseite der Membrane (41) liegenden Gehäuseraum (33) angeordnete Federelement (35) und/oder ein dazu parallel geschaltetes Federelement (94) zumindest bei niedriger Motordrehzahl an einem beim Verdichtungshub des Pumpenkolbens (22) in Verdichtungsrichtung wirkenden Vorspannstössel (91) einer fremdbetätigten Antriebseinheit (90) abstützt, wobei die vorgespannten Federelemente (15, 35, 94) die Membran (41) in einer Mittellage halten, wenn beidseits der Membran (41) der gleiche Luftdruck anliegt und bei angeordneter Antriebseinheit (90) diese abgeschaltet in einer Ruheposition ist, so daß die Membran (41) beim Saughub und beim Druckhub über die Mittellage hinausgehen kann.
- Kraftstoffpumpvorrichtung gemäß Anspruch 1, dadurch gekennzeichnet, daß die Antriebseinheit (90) ein Elektromagnet ist.
- Kraftstoffpumpvorrichtung gemäß Anspruch 2, dadurch gekennzeichnet, daß der Elektromagnet (90) eine Wicklung (96) hat, die in einem Schalenkern (95) angeordnet ist.
- Kraftstoffpumpvorrichtung gemäß Anspruch 2 oder 3, dadurch gekennzeichnet, daß der Elektromagnet (90) als Vorspannstößel (91) einen Anker hat, der aus einem zylindrischen Schaft (92) und einer daran angeordneten, scheibenförmigen Jochplatte (93) gebildet ist.
- Kraftstoffpumpvorrichtung gemäß einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, daß der Elektromagnet (90) über eine Steuerung (99) während des Pumpenverdichtungshubs im Takt der Druckpulsation im Kurbelgehäuse des Zweitaktmotors erregt wird, wobei der Takt über einen Drucksensor (97), die Zündeinrichtung oder ein Bezugsmarkensignal an der Kurbelwelle erfaßt wird.
- Kraftstoffpumpvorrichtung gemäß Anspruch 5, dadurch gekennzeichnet, daß der Drucksensor (97) im Kurbelgehäuse des Zweitaktmotors, der pneumatischen Leitung zum Gehäuseraum (13) oder im Gehäuseraum (13) selbst angeordnet ist.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19631287A DE19631287B4 (de) | 1996-08-02 | 1996-08-02 | Kraftstoffpumpvorrichtung für Zweitaktmotoren mit einer zusätzlichen Antriebseinheit |
| DE19631287 | 1996-08-02 | ||
| PCT/DE1997/001557 WO1998005860A1 (de) | 1996-08-02 | 1997-07-23 | Kraftstoffpumpvorrichtung für zweitaktmotoren mit einer zusätzlichen antriebseinheit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0954697A1 EP0954697A1 (de) | 1999-11-10 |
| EP0954697B1 true EP0954697B1 (de) | 2002-10-23 |
Family
ID=7801633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP97935469A Expired - Lifetime EP0954697B1 (de) | 1996-08-02 | 1997-07-23 | Kraftstoffpumpvorrichtung für zweitaktmotoren mit einer zusätzlichen antriebseinheit |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6162028A (de) |
| EP (1) | EP0954697B1 (de) |
| JP (1) | JP2000515601A (de) |
| AU (1) | AU709656B2 (de) |
| CA (1) | CA2262522A1 (de) |
| DE (2) | DE19631287B4 (de) |
| ES (1) | ES2185966T3 (de) |
| WO (1) | WO1998005860A1 (de) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6568926B1 (en) * | 2001-10-31 | 2003-05-27 | The Gorman-Rupp Company | Fluid metering pump |
| DE10161132A1 (de) * | 2001-12-12 | 2003-06-26 | Siemens Ag | Membranpumpe mit integriertem Drucksensor |
| US20070020123A1 (en) * | 2003-09-02 | 2007-01-25 | Hydraulik-Ring Gmbh | Pump for conveying an exhaust gas aftertreatment medium particularly a urea-water solution, for diesel engines |
| ITBO20040485A1 (it) * | 2004-07-30 | 2004-10-30 | Magneti Marelli Holding S P A | Pompa carburante ad attuazione idraulica per un motore a combustione interna |
| DE102005032843A1 (de) * | 2005-07-14 | 2007-01-25 | Robert Bosch Gmbh | Ammoniakerzeuger, Fahrzeug und Verfahren zur Erzeugung von Ammoniak |
| DE102008002467A1 (de) * | 2008-06-17 | 2009-12-24 | Robert Bosch Gmbh | Dosiersystem für ein flüssiges Medium, insbesondere Harnstoff-Wasser-Lösung |
| US9303607B2 (en) * | 2012-02-17 | 2016-04-05 | Ford Global Technologies, Llc | Fuel pump with quiet cam operated suction valve |
| CN104963819A (zh) * | 2015-06-09 | 2015-10-07 | 安庆卡尔特压缩机有限公司 | 一种新型压缩机 |
| US20210285451A1 (en) * | 2018-10-02 | 2021-09-16 | Kenneth R. Soerries | Liquid Hydrocarbon Transfer System And Assembly |
| US11828239B2 (en) | 2018-12-07 | 2023-11-28 | Polaris Industries Inc. | Method and system for controlling a turbocharged two stroke engine based on boost error |
| US20200182164A1 (en) * | 2018-12-07 | 2020-06-11 | Polaris Industries Inc. | Method And System For Predicting Trapped Air Mass In A Two-Stroke Engine |
| US11174779B2 (en) | 2018-12-07 | 2021-11-16 | Polaris Industries Inc. | Turbocharger system for a two-stroke engine |
| US11725573B2 (en) | 2018-12-07 | 2023-08-15 | Polaris Industries Inc. | Two-passage exhaust system for an engine |
| US11639684B2 (en) | 2018-12-07 | 2023-05-02 | Polaris Industries Inc. | Exhaust gas bypass valve control for a turbocharger for a two-stroke engine |
| US11788432B2 (en) | 2020-01-13 | 2023-10-17 | Polaris Industries Inc. | Turbocharger lubrication system for a two-stroke engine |
| CA3105239C (en) | 2020-01-13 | 2023-08-01 | Polaris Industries Inc. | Turbocharger system for a two-stroke engine having selectable boost modes |
| CA3105244C (en) | 2020-01-13 | 2023-12-12 | Polaris Industries Inc. | Turbocharger lubrication system for a two-stroke engine |
| US11384697B2 (en) | 2020-01-13 | 2022-07-12 | Polaris Industries Inc. | System and method for controlling operation of a two-stroke engine having a turbocharger |
| CN114452692B (zh) * | 2022-01-25 | 2023-04-21 | 山东德沃环保科技有限公司 | 一种双腔体平衡式组合滤板及压滤机 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB884903A (en) * | 1959-09-28 | 1961-12-20 | Bendix Corp | Fuel supply system |
| DE2248584C3 (de) * | 1972-10-04 | 1975-09-18 | Yamaha Hatsudoki K.K., Iwata, Shizuoka (Japan) | Kraftstoff-Fördervorrichtung zu einer Einspritzeinrichtung von Brennkraftmaschinen |
| US4022174A (en) * | 1974-03-19 | 1977-05-10 | Holec, N.V. | Electromagnetically actuated pumps |
| US4086036A (en) * | 1976-05-17 | 1978-04-25 | Cole-Parmer Instrument Company | Diaphragm pump |
| JPS57137648A (en) * | 1981-02-20 | 1982-08-25 | Hitachi Ltd | Fuel supply device |
| US4705008A (en) * | 1983-07-25 | 1987-11-10 | Kleinholz Edward O | Fuel vaporizer |
| BE899765R (fr) * | 1983-07-28 | 1984-09-17 | Antoine Hubert | Dispositif d'injection de carburant pour moteur a deux temps. |
| DE3727266C2 (de) * | 1987-08-15 | 1996-05-23 | Stihl Maschf Andreas | Kraftstoffeinspritzvorrichtung für Zweitaktmotoren |
| DE4125593A1 (de) * | 1991-08-02 | 1993-02-04 | Stihl Maschf Andreas | Kraftstoffeinspritzpumpe fuer einen zweitaktmotor in einem arbeitsgeraet, insbesondere einer motorkettensaege |
| US5315968A (en) * | 1993-03-29 | 1994-05-31 | Orbital Walbro Corporation | Two-stage fuel delivery system for an internal combustion engine |
| FR2713717B1 (fr) * | 1993-12-07 | 1996-01-26 | Rahban Thierry | Pompe à actionnement électromagnétique à collision élastique de l'équipage mobile. |
| DE19527629A1 (de) * | 1995-07-28 | 1997-01-30 | Bosch Gmbh Robert | Kraftstoffpumpe |
-
1996
- 1996-08-02 DE DE19631287A patent/DE19631287B4/de not_active Expired - Fee Related
-
1997
- 1997-07-23 DE DE59708576T patent/DE59708576D1/de not_active Expired - Fee Related
- 1997-07-23 WO PCT/DE1997/001557 patent/WO1998005860A1/de not_active Ceased
- 1997-07-23 US US09/230,552 patent/US6162028A/en not_active Expired - Fee Related
- 1997-07-23 CA CA002262522A patent/CA2262522A1/en not_active Abandoned
- 1997-07-23 EP EP97935469A patent/EP0954697B1/de not_active Expired - Lifetime
- 1997-07-23 ES ES97935469T patent/ES2185966T3/es not_active Expired - Lifetime
- 1997-07-23 AU AU38467/97A patent/AU709656B2/en not_active Ceased
- 1997-07-23 JP JP10507461A patent/JP2000515601A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| AU3846797A (en) | 1998-02-25 |
| JP2000515601A (ja) | 2000-11-21 |
| WO1998005860A1 (de) | 1998-02-12 |
| AU709656B2 (en) | 1999-09-02 |
| DE59708576D1 (de) | 2002-11-28 |
| EP0954697A1 (de) | 1999-11-10 |
| CA2262522A1 (en) | 1998-02-12 |
| US6162028A (en) | 2000-12-19 |
| DE19631287B4 (de) | 2004-01-15 |
| ES2185966T3 (es) | 2003-05-01 |
| DE19631287A1 (de) | 1998-02-05 |
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