EP1183471B1 - Feed pump - Google Patents

Feed pump Download PDF

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Publication number
EP1183471B1
EP1183471B1 EP01917020A EP01917020A EP1183471B1 EP 1183471 B1 EP1183471 B1 EP 1183471B1 EP 01917020 A EP01917020 A EP 01917020A EP 01917020 A EP01917020 A EP 01917020A EP 1183471 B1 EP1183471 B1 EP 1183471B1
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EP
European Patent Office
Prior art keywords
feed pump
rings
another
pump according
angular distances
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
EP01917020A
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German (de)
French (fr)
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EP1183471A1 (en
Inventor
Holger Barth
Peter Marx
Hans-Dieter Wilhelm
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Siemens AG
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Siemens AG
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Publication of EP1183471A1 publication Critical patent/EP1183471A1/en
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Publication of EP1183471B1 publication Critical patent/EP1183471B1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D5/00—Pumps with circumferential or transverse flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/18—Rotors
    • F04D29/188—Rotors specially for regenerative pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D5/00—Pumps with circumferential or transverse flow
    • F04D5/002—Regenerative pumps
    • F04D5/003—Regenerative pumps of multistage type
    • F04D5/005—Regenerative pumps of multistage type the stages being radially offset

Definitions

  • the invention relates to a feed pump with at least one driven, impeller rotating in a pump housing, with several at least one end face of the impeller arranged rings of Vane chambers, with the wreaths of the vane chambers in the wall of the pump housing arranged opposite delivery channels and with the blade chambers delimiting tangentially to the impeller Vanes.
  • Such delivery pumps are used to deliver fuel from a Fuel tanks are widely used in today's motor vehicles known from practice.
  • the delivery pump known from practice has on a common impeller two concentrically enclosing each other Wreaths from vane chambers.
  • the fuel arrives at one Rotation of the impeller via an inlet channel first in the radial inner conveyor channel and then into the radially outer conveyor channel.
  • the pump has two pump stages.
  • a feed pump with two impellers is also included a wreath of shovel chambers. These wheels each form a pump stage of the feed pump.
  • a disadvantage of the known feed pumps is that they have very large noise emissions produce. The noise emissions add up an annoying whistle.
  • the invention is based on the problem of a feed pump of the beginning mentioned type in such a way that it is a particularly little distracting Noise emission generated.
  • Randomly generated overlays by varying the angular distances of noise emissions from two rings of the guide vanes according to another advantageous development of the invention avoid if the number of vanes of different wreaths varied.
  • the feed pump according to the invention has low disturbing noise emissions a particularly high efficiency if the number the guide vanes of two concentrically enclosing rings in the radially inner rim is smaller than in the radially outer rim.
  • the a delivery channel to one arranged inside the fuel tank Guide the suction jet pump while the other delivery channel connects with a leading to an internal combustion engine of the motor vehicle Flow line is provided.
  • the one delivery channel for suction directly from the fuel tank and the other Delivery channel can be provided for suction from a swirl pot. This causes the flow of fuel from one ring of guide vanes prevented on another wreath and thus the transfer and Noise amplification within the feed pump avoided.
  • the feed pump according to the invention has particularly low noise emissions at high efficiency when the angular distances of the Guide vanes of two concentrically enclosing rings in the radially outer rim to each other vary in the range from 8 ° to 12 °.
  • Feed pump helps when the angular spacing of the guide vanes two concentrically surrounding wreaths in the inner outer rim to each other vary in the range of 16 ° to 20 °.
  • FIG. 1 shows a sectional view through a side channel pump trained feed pump.
  • the feed pump has a shaft 1 attached, rotatable between two fixed housing parts 2, 3 Impeller 4 on.
  • the feed pump has two concentrically enclosing ones Delivery chambers 5, 6.
  • the delivery chambers 5, 6 each extend from an inlet channel 7, 8 to an outlet channel 9, 10 and set each in conveying channels arranged in the housing parts 2, 3 11, 12 and arranged in the impeller 4 and of blades 13, 14 delimited vane chambers 15, 16 together.
  • the Vane chambers 15, 16 are each as a depression in one of the end faces arranged. Opposing vane chambers 15, 16 are interconnected.
  • Figure 2 shows a sectional view through the feed pump of Figure 1 along the line II - II a plan view of one of the end faces of the impeller 4. It can be seen that a total of two rings of the blade combs 15, 16 are arranged in the impeller 4. The wreaths of the blade combs 15, 16 surround one another concentrically. Furthermore, the angular distances ⁇ and ⁇ of the moving blades 13, 14 from one another are shown in FIG. The angular distances ⁇ of the guide vanes 13 of the inner ring vary between 16 ° and 20 °. A stochastic distribution of the angular distances ⁇ 1 to ⁇ 20 is given as an example for 20 blades of the radially inner ring of the guide blades 13.
  • angle angular distance angle angular distance angle angular distance angle angular distance ⁇ 1 19 ° ⁇ 9 18 ° ⁇ 17 18 ° ⁇ 2 19 ° ⁇ 10 17 ° ⁇ 18 20 ° ⁇ 3 18 ° ⁇ 11 19 ° ⁇ 19 17 ° ⁇ 4 18 ° ⁇ 12 16 ° ⁇ 20 18 ° ⁇ 5 16 ° ⁇ 13 18 ° ⁇ 21 16 ° ⁇ 6 18 ° ⁇ 14 20 ° ⁇ 22 18 ° ⁇ 7 16 ° ⁇ 15 20 ° ⁇ 23 17 ° ⁇ 8 17 ° ⁇ 16 18 °
  • the radially outer rim has 36 blades 14.
  • the angular distances ⁇ 1 to ⁇ 36 of the blades 14 to one another vary analogously to that for the radially inner rim stochastic distribution in the Range between 8 ° and 12 °.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Rotary Pumps (AREA)

Description

Die Erfindung betrifft eine Förderpumpe mit zumindest einem angetriebenen, sich in einem Pumpengehäuse drehenden Laufrad, mit mehreren an zumindest einer Stirnseite des Laufrades angeordneten Kränzen von Schaufelkammern, mit den Kränzen der Schaufelkammem in der Wandung des Pumpengehäuses gegenüberliegend angeordneten Förderkanälen und mit die Schaufelkammem jeweils tangential zum Laufrad begrenzenden Leitschaufeln.The invention relates to a feed pump with at least one driven, impeller rotating in a pump housing, with several at least one end face of the impeller arranged rings of Vane chambers, with the wreaths of the vane chambers in the wall of the pump housing arranged opposite delivery channels and with the blade chambers delimiting tangentially to the impeller Vanes.

Solche Förderpumpen werden zum Fördern von Kraftstoff aus einem Kraftstoffbehälter in heutigen Kraftfahrzeugen häufig eingesetzt und sind aus der Praxis bekannt. Die aus der Praxis bekannte Förderpumpe hat auf einem gemeinsamen Laufrad zwei einander konzentrisch umschließende Kränze von Schaufelkammern. Der Kraftstoff gelangt bei einer Drehung des Laufrades über einen Einlaßkanal zunächst in den radial inneren Förderkanal und anschließend in den radial äußeren Förderkanal. Die Pumpe hat hierdurch zwei Pumpstufen.Such delivery pumps are used to deliver fuel from a Fuel tanks are widely used in today's motor vehicles known from practice. The delivery pump known from practice has on a common impeller two concentrically enclosing each other Wreaths from vane chambers. The fuel arrives at one Rotation of the impeller via an inlet channel first in the radial inner conveyor channel and then into the radially outer conveyor channel. As a result, the pump has two pump stages.

Weiterhin ist aus der Praxis eine Förderpumpe mit zwei Laufrädern mit jeweils einem Kranz Schaufelkammem bekannt geworden. Diese Laufräder bilden jeweils eine Pumpstufe der Förderpumpe.In practice, a feed pump with two impellers is also included a wreath of shovel chambers. These wheels each form a pump stage of the feed pump.

Nachteilig bei den bekannten Förderpumpen ist, daß sie sehr große Geräuschemissionen erzeugen. Die Geräuschemissionen addieren sich zu einem störenden Pfeifton.A disadvantage of the known feed pumps is that they have very large noise emissions produce. The noise emissions add up an annoying whistle.

Die Druckschrift US-A-4923365 zeigt eine Förderpumpe mit zwei, auf beiden Seiten des Laufrades angeordneten inneren Kränzen von Leitschaufeln und zwei, die inneren Kränze Konzentrisch umschlißende äußere Kränze Leitschaufeln. Dieses Dokument offenbart ausschließlich die Variation der Intervalle der in der Peripherie befindlichen Leitschaufeln und damit der Leitschaufeln der äußeren Kränze. Die Abstände der Leitschaufeln der inneren Kränze variieren nicht. The document US-A-4923365 shows a feed pump with two, on both sides of the impeller arranged inner rings of guide vanes and two, the inner rings Concentrically encircling outer rings of guide vanes. This document discloses only the variation of the intervals of the guide vanes in the periphery and thus the guide vanes of the outer wreaths. The spacing of the guide vanes the inner wreaths do not vary.

Der Erfindung liegt das Problem zugrunde, eine Förderpumpe der eingangs genannten Art so zu gestalten, daß sie eine besonders wenig störende Geräuschemission erzeugt.The invention is based on the problem of a feed pump of the beginning mentioned type in such a way that it is a particularly little distracting Noise emission generated.

Dieses Problem wird erfindungsgemäß dadurch gelöst, daß die Winkelabstände der Leitschaufeln untereinander und auf unterschiedlichen Kränzen jeweils nach den Regeln einer stochastischen Verteilung geringfügig variieren.This problem is solved according to the invention in that the angular distances the guide vanes with each other and on different rings slightly according to the rules of a stochastic distribution vary.

Durch diese Gestaltung werden die Geräuschemissionen bei jedem der Kränze der Leitschaufeln durch die Variation ihrer Winkelabstände zueinander besonders gering gehalten. Deshalb wird von keinem der Kränze der Leitschaufeln ein Pfeifton erzeugt. Die Variation der Winkelabstände der Leitschaufeln der verschiedenen Kränze verhindert, daß sich deren Geräuschemissionen addieren. Daher erzeugen die Kränze der Leitschaufeln jeweils Geräuschemissionen auf unterschiedlichen Frequenzen. Die Geräuschemissionen der erfindungsgemäßen Förderpumpe sind hierdurch über einen großen Bereich des hörbaren Frequenzspektrums verteilt und werden vom menschlichen Ohr als gleichmäßiges Rauschen wahrgenommen. Hierdurch erzeugt die erfindungsgemäße Förderpumpe besonders wenig störende Geräuschemissionen.With this design, the noise emissions at each of the Wreaths of the guide vanes by varying their angular distances from one another kept particularly low. Therefore none of the wreaths the guide vanes produce a whistle. The variation of the angular distances the guide vanes of the various wreaths prevent them from moving Add up noise emissions. Therefore, the wreaths of the guide vanes create noise emissions at different frequencies. This results in the noise emissions of the feed pump according to the invention distributed over a wide range of the audible frequency spectrum and are emitted by the human ear as an even noise perceived. As a result, the feed pump according to the invention produces particularly little annoying noise emissions.

Zur besonders breiten Verteilung der Geräuschemissionen auf dem hörbaren Frequenzspektrum trägt es gemäß einer vorteilhaften Weiterbildung der Erfindung bei, wenn die Winkelabstände der Leitschaufeln unterschiedlicher Kränze in verschiedenen Bereichen variieren.For a particularly wide distribution of noise emissions on the audible According to an advantageous further development, it carries the frequency spectrum the invention when the angular spacing of the guide vanes different Wreaths vary in different areas.

Durch die Variation der Winkelabstände zufällig erzeugte Überlagerungen von Geräuschemissionen zweier Kränze der Leitschaufeln lassen sich gemäß einer anderen vorteilhaften Weiterbildung der Erfindung einfach vermeiden, wenn die Anzahl der Leitschaufeln unterschiedlicher Kränze variiert.Randomly generated overlays by varying the angular distances of noise emissions from two rings of the guide vanes according to another advantageous development of the invention avoid if the number of vanes of different wreaths varied.

Die erfindungsgemäße Förderpumpe hat bei geringen störenden Geräuschemissionen einen besonders hohen Wirkungsgrad, wenn die Anzahl der Leitschaufeln zweier einander konzentrisch umschließender Kränze in dem radial inneren Kranz kleiner ist als in dem radial äußerem Kranz.The feed pump according to the invention has low disturbing noise emissions a particularly high efficiency if the number the guide vanes of two concentrically enclosing rings in the radially inner rim is smaller than in the radially outer rim.

Geräuschemissionen, die durch eine gegenseitige Beeinflussung der Kränze der Leitschaufeln über den zu fördernden Kraftstoff erzeugt werden, lassen sich gemäß einer anderen vorteilhaften Weiterbildung der Erfindung einfach vermeiden, wenn die Förderkanäle jeweils zur Verbindung mit einem eigenen Verbraucher vorgesehen sind. Beispielsweise kann der eine Förderkanal zu einer innerhalb des Kraftstoffbehälters angeordneten Saugstrahlpumpe führen, während der andere Förderkanal zur Verbindung mit einer zu einer Brennkraftmaschine des Kraftfahrzeuges führenden Vorlaufleitung vorgesehen ist. Weiterhin kann der eine Förderkanal zur Ansaugung unmittelbar aus dem Kraftstoffbehälter und der andere Förderkanal zur Ansaugung aus einem Schwalltopf vorgesehen sein. Hierdurch wird der Fluß des Kraftstoffs von dem einen Kranz Leitschaufeln auf einen weiteren Kranz unterbunden und damit die Übertragung und Verstärkung der Geräusche innerhalb der Förderpumpe vermieden.Noise emissions caused by a mutual influence of the Wreaths of the guide vanes are generated over the fuel to be delivered, can be according to another advantageous development of the invention just avoid if the delivery channels are each for connection with their own consumer. For example, the a delivery channel to one arranged inside the fuel tank Guide the suction jet pump while the other delivery channel connects with a leading to an internal combustion engine of the motor vehicle Flow line is provided. Furthermore, the one delivery channel for suction directly from the fuel tank and the other Delivery channel can be provided for suction from a swirl pot. This causes the flow of fuel from one ring of guide vanes prevented on another wreath and thus the transfer and Noise amplification within the feed pump avoided.

Die erfindungsgemäße Förderpumpe hat besonders geringe Geräuschemissionen bei einem hohen Wirkungsgrad, wenn die Winkelabstände der Leitschaufeln zweier einander konzentrisch umschließender Kränze in dem radial äußeren Kranz zueinander in dem Bereich von 8° bis 12° variieren. The feed pump according to the invention has particularly low noise emissions at high efficiency when the angular distances of the Guide vanes of two concentrically enclosing rings in the radially outer rim to each other vary in the range from 8 ° to 12 °.

Zur weiteren Verringerung der Geräuschemissionen der erfindungsgemäßen Förderpumpe trägt es bei, wenn die Winkelabstände der Leitschaufeln zweier einander konzentrisch umschließender Kränze in dem inneren äußeren Kranz zueinander in dem Bereich von 16° bis 20° variieren.To further reduce the noise emissions of the invention Feed pump helps when the angular spacing of the guide vanes two concentrically surrounding wreaths in the inner outer rim to each other vary in the range of 16 ° to 20 °.

Die Erfindung läßt zahlreiche Ausführungsformen zu. Zur weiteren Verdeutlichung ihres Grundprinzips ist eine davon in der Zeichnung dargestellt und wird nachfolgend beschrieben. Diese zeigt in

Figur 1
eine Schnittdarstellung durch eine erfindungsgemäße Förderpumpe,
Figur 2
eine Schnittdarstellung durch die Förderpumpe aus Figur 1 entlang der Linie II - II.
The invention allows numerous embodiments. To further clarify its basic principle, one of these is shown in the drawing and is described below. This shows in
Figure 1
2 shows a sectional view through a feed pump according to the invention,
Figure 2
a sectional view through the feed pump of Figure 1 along the line II - II.

Figur 1 zeigt eine Schnittdarstellung durch eine als Seitenkanalpumpe ausgebildete Förderpumpe. Die Förderpumpe weist ein auf einer Welle 1 befestigtes, sich zwischen zwei feststehenden Gehäuseteilen 2, 3 drehbares Laufrad 4 auf. Die Förderpumpe hat zwei sich konzentrisch umschließende Förderkammern 5, 6. Die Förderkammern 5, 6 erstrecken sich jeweils von einem Einlaßkanal 7, 8 bis zu einem Auslaßkanal 9, 10 und setzen sich jeweils in aus in den Gehäuseteilen 2, 3 angeordneten Förderkanälen 11, 12 und aus in dem Laufrad 4 angeordneten und von Laufschaufeln 13, 14 begrenzten Schaufelkammern 15, 16 zusammen. Die Schaufel kammern 15, 16 sind jeweils als Vertiefung in einer der Stirnseiten angeordnet. Einander gegenüberstehende Schaufelkammem 15, 16 sind untereinander verbunden. Bei einer Drehung des Laufrades 4 entstehen in den Förderkammem 5, 6 von den Einlaßkanälen 7, 8 zu den Auslaßkanälen 9, 10 führende Zirkulationsströmungen. Figure 1 shows a sectional view through a side channel pump trained feed pump. The feed pump has a shaft 1 attached, rotatable between two fixed housing parts 2, 3 Impeller 4 on. The feed pump has two concentrically enclosing ones Delivery chambers 5, 6. The delivery chambers 5, 6 each extend from an inlet channel 7, 8 to an outlet channel 9, 10 and set each in conveying channels arranged in the housing parts 2, 3 11, 12 and arranged in the impeller 4 and of blades 13, 14 delimited vane chambers 15, 16 together. The Vane chambers 15, 16 are each as a depression in one of the end faces arranged. Opposing vane chambers 15, 16 are interconnected. When the impeller 4 rotates in the conveyor chambers 5, 6 from the inlet channels 7, 8 to the outlet channels 9, 10 leading circulation flows.

Figur 2 zeigt in einer Schnittdarstellung durch die Förderpumpe aus Figur 1 entlang der Linie II - II eine Draufsicht auf eine der Stirnseiten des Laufrades 4. Hierbei ist zu erkennen, daß insgesamt zwei Kränze der Schaufelkammem 15. 16 in dem Laufrad 4 angeordnet sind. Die Kränze der Schaufelkammem 15, 16 umschließen sich konzentrisch. Weiterhin sind in Figur 3 die Winkelabstände α und β der Laufschaufeln 13, 14 zueinander dargestellt. Die Winkelabstände α der Leitschaufeln 13 des inneren Kranzes variieren zwischen 16° und 20°. Beispielhaft sind für 20 Laufschaufeln des radial inneren Kranzes der Leitschaufeln 13 eine stochastische Verteilung der Winkelabstände α1 bis α20 angegeben. Winkel Winkelabstand Winkel Winkelabstand Winkel Winkelabstand α1 19° α9 18° α17 18° α2 19° α10 17° α18 20° α3 18° α11 19° α19 17° α4 18° α12 16° α20 18° α5 16° α13 18° α21 16° α6 18° α14 20° α22 18° α7 16° α15 20° α23 17° α8 17° α16 18° Figure 2 shows a sectional view through the feed pump of Figure 1 along the line II - II a plan view of one of the end faces of the impeller 4. It can be seen that a total of two rings of the blade combs 15, 16 are arranged in the impeller 4. The wreaths of the blade combs 15, 16 surround one another concentrically. Furthermore, the angular distances α and β of the moving blades 13, 14 from one another are shown in FIG. The angular distances α of the guide vanes 13 of the inner ring vary between 16 ° and 20 °. A stochastic distribution of the angular distances α1 to α20 is given as an example for 20 blades of the radially inner ring of the guide blades 13. angle angular distance angle angular distance angle angular distance α1 19 ° α9 18 ° α17 18 ° α2 19 ° α10 17 ° α18 20 ° α3 18 ° α11 19 ° α19 17 ° α4 18 ° α12 16 ° α20 18 ° α5 16 ° α13 18 ° α21 16 ° α6 18 ° α14 20 ° α22 18 ° α7 16 ° α15 20 ° α23 17 ° α8 17 ° α16 18 °

Der radial äußere Kranz weist 36 Laufschaufeln 14 auf. Die Winkelabstände β1 bis β36 der Laufschaufeln 14 zueinander variieren analog der für den radial inneren Kranz angegebenen stochastischen Verteilung im Bereich zwischen 8° und 12°.The radially outer rim has 36 blades 14. The angular distances β1 to β36 of the blades 14 to one another vary analogously to that for the radially inner rim stochastic distribution in the Range between 8 ° and 12 °.

Claims (7)

  1. Feed pump with at least one driven impeller rotating in a pump casing, with a plurality of rings of blade chambers, said rings being arranged on at least one end face of the impeller, with feed channels arranged opposite the rings of blade chambers in the wall of the pump casing and with moving blades which delimit the blade chambers in each case tangentially to the impeller, characterized in that the angular distances (α, β) of the moving blades (13, 14) from one another and on different rings vary slightly in each case according to the rules of random distribution.
  2. Feed pump according to Claim 1, characterized in that the angular distances (α, β) of the guide blades (13, 14) of different rings vary within different ranges.
  3. Feed pump according to claim 1 or 2, characterized in that the number of guide blades (13, 14) of different rings varies.
  4. Feed pump according to at least one of the preceding claims, characterized in that the number of guide blades (13, 14) of two rings concentrically surrounding one another is smaller in the radially inner ring than in the radially outer ring.
  5. Feed pump according to at least one of the preceding claims, characterized in that the feed channels (11, 12) are each provided for connection to their own consumer.
  6. Feed pump according to at least one of the preceding claims, characterized in that the angular distances (β) between the guide blades (13, 14) of two rings concentrically surrounding one another vary relative to one another within the range of 8° to 12° in the radially outer ring.
  7. Feed pump according to at least one of the preceding claims, characterized in that the angular distances (α) between the guide blades (13, 14) of two rings concentrically surrounding one another vary relative to one another within the range of 16° to 20° in the inner outer ring.
EP01917020A 2000-03-21 2001-02-23 Feed pump Expired - Lifetime EP1183471B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10013907 2000-03-21
DE10013907A DE10013907A1 (en) 2000-03-21 2000-03-21 Fuel feed pump for vehicle has small variations in angular spacing of blades
PCT/EP2001/002076 WO2001071193A1 (en) 2000-03-21 2001-02-23 Feed pump

Publications (2)

Publication Number Publication Date
EP1183471A1 EP1183471A1 (en) 2002-03-06
EP1183471B1 true EP1183471B1 (en) 2004-01-14

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EP01917020A Expired - Lifetime EP1183471B1 (en) 2000-03-21 2001-02-23 Feed pump

Country Status (10)

Country Link
US (1) US6471466B2 (en)
EP (1) EP1183471B1 (en)
JP (1) JP4955889B2 (en)
KR (1) KR100760054B1 (en)
CN (1) CN1185417C (en)
AU (1) AU4415901A (en)
BR (1) BR0105549B1 (en)
DE (2) DE10013907A1 (en)
ES (1) ES2214402T3 (en)
WO (1) WO2001071193A1 (en)

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Also Published As

Publication number Publication date
US6471466B2 (en) 2002-10-29
CN1365433A (en) 2002-08-21
BR0105549A (en) 2002-03-05
US20010041132A1 (en) 2001-11-15
EP1183471A1 (en) 2002-03-06
BR0105549B1 (en) 2009-08-11
AU4415901A (en) 2001-10-03
KR20020025871A (en) 2002-04-04
WO2001071193A1 (en) 2001-09-27
JP4955889B2 (en) 2012-06-20
ES2214402T3 (en) 2004-09-16
DE10013907A1 (en) 2001-09-27
KR100760054B1 (en) 2007-09-18
JP2003528257A (en) 2003-09-24
CN1185417C (en) 2005-01-19
DE50101315D1 (en) 2004-02-19

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