EP1188930A1 - Gebläseanordnung, insbesondere Radialgebläseanordnung - Google Patents
Gebläseanordnung, insbesondere Radialgebläseanordnung Download PDFInfo
- Publication number
- EP1188930A1 EP1188930A1 EP00119951A EP00119951A EP1188930A1 EP 1188930 A1 EP1188930 A1 EP 1188930A1 EP 00119951 A EP00119951 A EP 00119951A EP 00119951 A EP00119951 A EP 00119951A EP 1188930 A1 EP1188930 A1 EP 1188930A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- blower
- housing
- air duct
- air
- opening
- 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.)
- Granted
Links
Images
Classifications
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4213—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps suction ports
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/009—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by bleeding, by passing or recycling fluid
Definitions
- the invention relates to a blower arrangement, in particular Radial fan arrangement, with a fan impeller containing Blower housing that has an air inlet and an air outlet has.
- Such fan assemblies designed as radial fans are for example from DE-U-298 20 767, the DE-U-298 20 766, EP-A-10 02 957, EP-A-10 02 958, the EP-A-10 22 470 or EP-A-10 22 469 are known.
- Such blowers have high performance and are suitable therefore especially as a modern burner fan that has a large must have modulatable performance range.
- Throttle control In order to regulate the air output, one currently uses in Throttle control in most systems, i.e. the air flow is throttled by means of a throttle element if necessary, which leads to a flow disturbance without exception and thus also with a deterioration in noise behavior as well Efficiency of the fan assembly is connected.
- the Blower housing is connected to an air duct arrangement, in which a pressure side connected to the blower housing Air duct with an outlet opening and an Air duct connected to the blower housing on the suction side an inlet opening on the input side via an adjustable Opening can be connected to each other in such a way that part of the air flow on the pressure side can be fed to the air flow on the suction side is.
- the advantages of this arrangement over the conventional one Throttle regulation of the blower output are versatile.
- the Blower arrangement has a high stability curve overall, because the person responsible for building up pressure sensitive blow-out area, for example as a spiral housing trained fan housing almost undisturbed by the bypass arrangement remains.
- the adjustable opening allows a simple and effective power control. All in one The fan arrangement works efficiently and quiet.
- the air duct arrangement can easily combine with existing fans so that they can be Essentially, there is no need to change the design.
- the opening between the pressure side and the suction side Air duct is advantageously by an adjusting member, in particular an adjustable air flap adjustable.
- an adjusting member in particular an adjustable air flap adjustable.
- the opening and / or the adjusting member is expedient formed such that the partial air flow admixed on the pressure side to the direction of flow of the suction-side air flow is aligned.
- Part of the high energy flow will thereby targeted the low-energy flow in the suction side Air duct fed so that the energy and flow rate the suction-side flow increases. This inflow takes place with little loss and noise.
- the effect of the inflow can be improved that the opening and / or the adjusting member on the radial Outside of a curved area of the pressure-side air duct is arranged because when opening the setting member or the air flap automatically through the high-energy flow Centrifugal effect of the low-energy flow is supplied.
- the desired flow direction can be achieved through the air flap get supported.
- the setting member with a Adjusting or regulating air or blower output Actuator connected so that the blower or a burner output automatically when used accordingly can be regulated.
- an independent inventive quality has, the blower housing with an air duct arrangement connected, the one connected on the pressure side to the blower housing Pressure chamber with an outlet opening on the outlet side contains one opposite the air outlet of the blower housing at least partially has a larger cross section.
- This pressure chamber advantageously effects a static one Pressure increase, especially for use with heating burners is particularly advantageous.
- This increase in static pressure can still be improved or be reinforced if the pressure chamber as Blow-out diffuser with one in the direction of the blow-out opening Cross-section widening, in particular continuously widening Air duct is formed.
- This air duct is expediently curved in a G, U or arc, so that a very compact diffuser can be achieved that is in front of especially suitable for burner use.
- a very compact and structurally favorable arrangement of the Air routing arrangement can be achieved by this is designed as a flat housing, and the blower housing is attached to a flat side of the flat housing, wherein the air outlet of the blower housing at an access opening to the air duct on the pressure side.
- the two air ducts can easily be placed side by side be arranged so that the high-energy partial flow in optimally supplied to the low-energy suction air flow can be.
- the suction-side air duct in the flat housing could usefully at an outlet opening that is connected via a connecting channel or a connector housing with the air inlet of the blower housing is connected, said outlet opening preferably at the access opening to the pressure side Air side having the flat side of the flat housing arranged is so that the blower housing in a simple manner this flat side can be mounted and the suction side Connection in a structurally simple manner by a mountable Connection channel or a connection housing realized can be.
- the outlet opening of the air duct arrangement is preferred on the flat side facing away from the blower housing as Flat housing trained air duct assembly attached and preferably opens in the case of a burner application a mixing pipe connected to the air duct arrangement.
- the air duct arrangement designed as a flat housing can advantageously at the same time as a cover serve a boiler.
- the blower arrangement has a blower housing 11 Radial blower 10, such as in the state of the art at the outset and in different variants is described.
- a pot-like impeller 12 rotatably mounted and by a drive motor 13 on the outside of the blower housing 11 driven.
- the blower housing 11 has one lateral axial air inlet 14 and a radial air outlet 15 at the end of the fan housing which widens like a screw 11th
- the radial fan 10 is on a flat side as a flat housing 16 trained air duct assembly 17 mounted in such a way that the air outlet 15 of the blower housing 11 at one Access opening 18 to a pressure-side air duct 19 in Flat housing 16 opens or is aligned with this.
- This Air duct 19 on the pressure side inside the flat housing 16 forms a pressure chamber or a blow-out diffuser and is G-, U- or curved like an arc.
- the cross section of this Air duct 19 on the pressure side widens from the access opening 18 from up to an outlet opening on the outlet side 20 essentially continuous, with sections also constant or temporarily decreasing diameter possible are.
- the blow-out opening 20 is on the side wall opposite the access opening 18 of the flat housing 16 and forms an access to one there attached mixing tube 21 or burner tube.
- the diameter of the mixing tube 21 essentially corresponds the largest diameter at the end area of the pressure-side air duct 19, during the blow-out opening 20 a smaller one Has diameter. In an alternative embodiment the diameter of the blow-out opening 20 also the diameter of the mixing tube 21 correspond. It is also possible to Transitional area between the pressure-side air duct 19 and the mixing tube 21 or in the mixing tube in connection with Mixing tubes known throttle device or a mixing element to provide, as described for example in EP-A-990 844 is.
- a mixing tube 21 is of course only in the case of use in the case of a burner, for example a heating burner.
- the entire flat housing can 16 as a locking door or flap for the combustion chamber a boiler.
- the formation of the pressure-side air duct 19 as a blow-out diffuser serves to increase the static fan pressure, whereby in a simpler version the air duct on the pressure side 19 also a geometrically different pressure chamber can form to increase the static pressure. Essential is that the cross section of this pressure chamber is opposite that of the air outlet 15 enlarged.
- Air duct 22 in the flat housing 16 has one inlet-side inlet opening 23 and opens at an outlet opening 24, on the same flat side of the flat case 16 is arranged as the access opening 18 to air duct 19 on the pressure side.
- This outlet opening 24 is located so next to the mounted fan housing 11, that the suction-side air duct 22 is under the fan housing 11 extends through.
- connection housing 25 With its flat side the side wall of the blower housing provided with the air inlet 14 11 abuts and with a narrow side of the outlet opening 24 covered, so that the suction air flow through the suction-side air duct 22, the outlet opening 24, the connector housing 25 and the air inlet 14 into the blower housing 11 can flow axially.
- the suction-side air flows are for clarification as double arrows and the pressure-side air flows shown as bold arrows, where this representation in Figure 2 is problematic because the two air channels 19, 22 are arranged one behind the other.
- the two air channels 19, 22 are in this way on the flat housing 16 arranged that the end region of the pressure-side air duct 19 and the initial region of the suction-side air duct 22 directly run side by side and only through an intermediate wall 26 are separated.
- the air duct 19 on the pressure side has a G-shaped, U-shaped or arch-like shape Curvature.
- the correspondingly curved intermediate wall 26 is at this point formed by a pivotable air flap 27, through which a bypass from the pressure-side air duct 19 to suction-side air duct 22 formed with a variable cross-section can be. Depending on the opening angle of this air flap 27 more or less the high-energy flow in the air duct 19 partly the lower energy intake flow in the air duct 22 added.
- the blower power and If used with a burner the burner output is energy loss and regulated or regulated with little noise.
- the air flap 27 with a not shown Actuator, for example an actuator his.
- the air flap 27 is a flow guide designed to make the energy-rich air flow as possible to be able to feed the air duct 22 with little loss.
- an air flap 27 can of course also another setting member for a connection opening between the two air channels 19, 22 occur, for example a sliding or swiveling aperture.
- a flat housing 16 can of course also another housing shape for the air duct assembly 17 occur. It is essential that an admixture of the energy-rich Air flow on the pressure side to the low-energy suction side Air flow is possible in a variable manner.
- the invention is of course not on radial fans limited, rather other blower shapes can be used and with a corresponding air duct arrangement 17 get connected. In principle, it is also possible to use a combined one Realize fan and air duct housing.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
Description
- Figur 1
- eine Draufsicht auf eine Flachseite der als Flachgehäuse ausgebildeten Luftführungsanordnung,
- Figur 2
- eine schematische Seitenansicht der gesamten Gebläseanordnung und
- Figur 3
- eine Seitenansicht des auf das Flachgehäuse aufgesetzten Gebläsegehäuses.
Claims (12)
- Gebläseanordnung, insbesondere Radialgebläseanordnung, mit einem ein Gebläselaufrad (12) enthaltenden Gebläsegehäuse (11), das einen Lufteinlass (14) und einen Luftauslass (15) besitzt, dadurch gekennzeichnet, dass das Gebläsegehäuse (11) mit einer Luftführungsanordnung (17) verbunden ist, in der ein druckseitig am Gebläsegehäuse (11) angeschlossener Luftkanal (19) mit einer ausgangsseitigen Ausblasöffnung (20) und ein saugseitig am Gebläsegehäuse (11) angeschlossener Luftkanal (22) mit einer eingangsseitigen Zuströmöffnung (23) über eine einstellbare Öffnung derart miteinander verbindbar ist, dass ein Teil des druckseitigen Luftstroms dem saugseitigen Luftstrom zuführbar ist.
- Gebläseanordnung nach Anspruch 1, dadurch gekennzeichnet, dass die Öffnung zwischen dem druckseitigen (19) und dem saugseitigen Luftkanal (22) durch ein Einstellorgan (27), insbesondere eine einstellbare Luftklappe, einstellbar ist.
- Gebläseanordnung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Öffnung und/oder das Einstellorgan (27) derart ausgebildet sind, dass der druckseitig zugemischte Teilluftstrom zur Strömungsrichtung des saugseitigen Luftstroms ausgerichtet ist.
- Gebläseanordnung nach Anspruch 3, dadurch gekennzeichnet, dass die Öffnung und/oder das Einstellorgan (27) an der radialen Außenseite oder Außenwandung (26) eines gekrümmten Bereichs des druckseitigen Luftkanals (19) angeordnet ist.
- Gebläseanordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Einstellorgan (27) mit einem die Luft- oder Gebläseleistung einstellenden oder regelnden Stellglied verbunden ist.
- Gebläseanordnung mit einem ein Gebläselaufrad (12) enthaltenden Gebläsegehäuse (11), das einen Lufteinlass (14) und einen Luftauslass (15) besitzt, insbesondere nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Gebläsegehäuse (11) mit einer Luftführungsanordnung (17) verbunden ist, die eine druckseitig am Gebläsegehäuse (11) angeschlossene Druckkammer (19) mit einer ausgangsseitigen Ausblasöffnung (20) enthält, die einen gegenüber dem Luftauslass (15) des Gebläsegehäuses (11) wenigstens zum Teil größeren Querschnitt aufweist.
- Gebläseanordnung nach Anspruch 6, dadurch gekennzeichnet, dass die Druckkammer (19) als Ausblas-Diffusor mit einem sich zur Ausblasöffnung (20) hin im Querschnitt erweiternden, insbesondere kontinuierlich erweiternden Luftkanal ausgebildet ist.
- Gebläseanordnung nach Anspruch 7, dadurch gekennzeichnet, dass der Luftkanal (19) G-, U- oder bogenartig gekrümmt ist.
- Gebläseanordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Luftführungsanordnung (17) als Flachgehäuse (16) ausgebildet ist, und dass Gebläsegehäuse (11) an einer Flachseite des Flachgehäuses (16) angebracht ist, wobei der Luftauslass (15) des Gebläsegehäuses (11) an einer Zugangsöffnung (18) zum druckseitigen Luftkanal (19) mündet.
- Gebläseanordnung nach Anspruch 9, dadurch gekennzeichnet, dass der saugseitige Luftkanal (22) im Flachgehäuse (16) an einer Austrittsöffnung (24) mündet, die über einen Verbindungskanal oder ein Verbindungsgehäuse (25) mit dem Lufteinlass (14) des Gebläsegehäuses (11) verbunden ist, wobei diese Austrittsöffnung (24) vorzugsweise an der die Zugangsöffnung (18) zum druckseitigen Luftkanal (19) aufweisenden Flachseite des Flachgehäuses (16) angeordnet ist.
- Gebläseanordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Ausblasöffnung (20) der Luftführungsanordnung (17) an der vom Gebläsegehäuse (11) wegweisenden Flachseite der als Flachgehäuse (16) ausgebildeten Luftführungsanordnung (17) angeordnet ist.
- Gebläseanordnung nach Anspruch 11, dadurch gekennzeichnet, dass die Ausblasöffnung (20) an einem an der Luftführungsanordnung (17) angeschlossenen Mischrohr (21) mündet und/oder dass die als Flachgehäuse (16) ausgebildete Luftführungsanordnung (17) als Verschlussdeckel eines Heizungskessels ausgebildet ist.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00119951A EP1188930B2 (de) | 2000-09-14 | 2000-09-14 | Gebläseanordnung, insbesondere Radialgebläseanordnung |
DE50006003T DE50006003D1 (de) | 2000-09-14 | 2000-09-14 | Gebläseanordnung, insbesondere Radialgebläseanordnung |
AT00119951T ATE263925T1 (de) | 2000-09-14 | 2000-09-14 | Gebläseanordnung, insbesondere radialgebläseanordnung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00119951A EP1188930B2 (de) | 2000-09-14 | 2000-09-14 | Gebläseanordnung, insbesondere Radialgebläseanordnung |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1188930A1 true EP1188930A1 (de) | 2002-03-20 |
EP1188930B1 EP1188930B1 (de) | 2004-04-07 |
EP1188930B2 EP1188930B2 (de) | 2007-06-13 |
Family
ID=8169829
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00119951A Expired - Lifetime EP1188930B2 (de) | 2000-09-14 | 2000-09-14 | Gebläseanordnung, insbesondere Radialgebläseanordnung |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1188930B2 (de) |
AT (1) | ATE263925T1 (de) |
DE (1) | DE50006003D1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1384606A1 (de) * | 2002-07-25 | 2004-01-28 | Behr GmbH & Co. | Gebläseanordnung und Verfahren zur Belüftung eines Fahrzeugs |
EP1528258A1 (de) * | 2003-10-31 | 2005-05-04 | Punker GmbH & Co. | Radialgebläse für einen Gasbrenner |
CN100441880C (zh) * | 2005-05-13 | 2008-12-10 | 台达电子工业股份有限公司 | 风扇系统 |
Citations (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2656561A1 (de) * | 1976-12-14 | 1978-06-15 | Roehrs Werner Dr Kg | Radialgeblaese mit stroemungsdichtung |
US4549848A (en) * | 1982-01-21 | 1985-10-29 | Lennart Wallman | Arrangement for radial fans |
DE3629132A1 (de) * | 1986-08-27 | 1988-03-10 | Buderus Heiztechnik Gmbh | Geblaese fuer oel- und gasgeblaesebrenner |
US4926765A (en) * | 1986-12-11 | 1990-05-22 | Walter Dreizler | Furnace blower with external gas recycling for the reduction of NOx |
DE4023363A1 (de) * | 1990-07-23 | 1992-02-06 | Elco Energiesysteme Gmbh | Brenner |
EP0588072A1 (de) * | 1992-09-15 | 1994-03-23 | Körting Hannover Ag | Gebläsebrenner |
US5484259A (en) * | 1994-06-13 | 1996-01-16 | Emerson Electric Co. | Low noise centrifugal blower |
DE19548800A1 (de) * | 1995-01-12 | 1996-07-18 | Cuenod Thermotech Sa | Vorrichtung zur Regelung der Verbrennungsluftzufuhr für einen Brenner mit Gebläse |
DE19501816A1 (de) * | 1995-01-21 | 1996-07-25 | Koerting Ag | Radialgebläse, insbesondere für Gebläsebrenner |
DE19503781A1 (de) * | 1995-02-04 | 1996-08-08 | Buderus Heiztechnik Gmbh | Öl- oder Gasgebläsebrenner |
US5584653A (en) * | 1992-09-08 | 1996-12-17 | J. Eberspacher | Device for reducing the generation of noise in fans |
DE29820766U1 (de) | 1998-11-20 | 1999-01-14 | Punker GmbH & Co., 24340 Eckernförde | Radialgebläse |
DE29820767U1 (de) | 1998-11-20 | 1999-01-14 | Punker GmbH & Co., 24340 Eckernförde | Radialgebläse |
EP0940493A1 (de) * | 1998-03-04 | 1999-09-08 | Miele & Cie. GmbH & Co. | Gasbeheizter Wäschetrockner |
EP1022469A1 (de) | 1999-01-20 | 2000-07-26 | PUNKER GmbH & CO. | Radialgebläse |
EP1022470A1 (de) | 1999-01-20 | 2000-07-26 | PUNKER GmbH & CO. | Radialgebläse |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3356034A (en) * | 1965-12-28 | 1967-12-05 | Ford Motor Co | Fluid pump flow bypass control |
DE3839430C1 (de) * | 1988-11-23 | 1989-06-22 | Fa. J. Eberspaecher, 7300 Esslingen, De |
-
2000
- 2000-09-14 DE DE50006003T patent/DE50006003D1/de not_active Expired - Lifetime
- 2000-09-14 AT AT00119951T patent/ATE263925T1/de not_active IP Right Cessation
- 2000-09-14 EP EP00119951A patent/EP1188930B2/de not_active Expired - Lifetime
Patent Citations (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2656561A1 (de) * | 1976-12-14 | 1978-06-15 | Roehrs Werner Dr Kg | Radialgeblaese mit stroemungsdichtung |
US4549848A (en) * | 1982-01-21 | 1985-10-29 | Lennart Wallman | Arrangement for radial fans |
DE3629132A1 (de) * | 1986-08-27 | 1988-03-10 | Buderus Heiztechnik Gmbh | Geblaese fuer oel- und gasgeblaesebrenner |
US4926765A (en) * | 1986-12-11 | 1990-05-22 | Walter Dreizler | Furnace blower with external gas recycling for the reduction of NOx |
DE4023363A1 (de) * | 1990-07-23 | 1992-02-06 | Elco Energiesysteme Gmbh | Brenner |
US5584653A (en) * | 1992-09-08 | 1996-12-17 | J. Eberspacher | Device for reducing the generation of noise in fans |
EP0588072A1 (de) * | 1992-09-15 | 1994-03-23 | Körting Hannover Ag | Gebläsebrenner |
US5484259A (en) * | 1994-06-13 | 1996-01-16 | Emerson Electric Co. | Low noise centrifugal blower |
DE19548800A1 (de) * | 1995-01-12 | 1996-07-18 | Cuenod Thermotech Sa | Vorrichtung zur Regelung der Verbrennungsluftzufuhr für einen Brenner mit Gebläse |
DE19501816A1 (de) * | 1995-01-21 | 1996-07-25 | Koerting Ag | Radialgebläse, insbesondere für Gebläsebrenner |
DE19503781A1 (de) * | 1995-02-04 | 1996-08-08 | Buderus Heiztechnik Gmbh | Öl- oder Gasgebläsebrenner |
EP0940493A1 (de) * | 1998-03-04 | 1999-09-08 | Miele & Cie. GmbH & Co. | Gasbeheizter Wäschetrockner |
DE29820766U1 (de) | 1998-11-20 | 1999-01-14 | Punker GmbH & Co., 24340 Eckernförde | Radialgebläse |
DE29820767U1 (de) | 1998-11-20 | 1999-01-14 | Punker GmbH & Co., 24340 Eckernförde | Radialgebläse |
EP1002958A2 (de) | 1998-11-20 | 2000-05-24 | PUNKER GmbH & CO. | Radialgebläse |
EP1002957A2 (de) | 1998-11-20 | 2000-05-24 | PUNKER GmbH & CO. | Radialgebläse |
EP1022469A1 (de) | 1999-01-20 | 2000-07-26 | PUNKER GmbH & CO. | Radialgebläse |
EP1022470A1 (de) | 1999-01-20 | 2000-07-26 | PUNKER GmbH & CO. | Radialgebläse |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1384606A1 (de) * | 2002-07-25 | 2004-01-28 | Behr GmbH & Co. | Gebläseanordnung und Verfahren zur Belüftung eines Fahrzeugs |
EP1528258A1 (de) * | 2003-10-31 | 2005-05-04 | Punker GmbH & Co. | Radialgebläse für einen Gasbrenner |
CN100441880C (zh) * | 2005-05-13 | 2008-12-10 | 台达电子工业股份有限公司 | 风扇系统 |
Also Published As
Publication number | Publication date |
---|---|
EP1188930B2 (de) | 2007-06-13 |
DE50006003D1 (de) | 2004-05-13 |
ATE263925T1 (de) | 2004-04-15 |
EP1188930B1 (de) | 2004-04-07 |
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