EP1201991B1 - Burner plate for a gas burner - Google Patents
Burner plate for a gas burner Download PDFInfo
- Publication number
- EP1201991B1 EP1201991B1 EP01125297A EP01125297A EP1201991B1 EP 1201991 B1 EP1201991 B1 EP 1201991B1 EP 01125297 A EP01125297 A EP 01125297A EP 01125297 A EP01125297 A EP 01125297A EP 1201991 B1 EP1201991 B1 EP 1201991B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- burner
- beads
- burner plate
- mixing body
- plate
- 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
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Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
- F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
- F23D14/045—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with a plurality of burner bars assembled together, e.g. in a grid-like arrangement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
- F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
- F23D14/10—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with elongated tubular burner head
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2211/00—Thermal dilatation prevention or compensation
Definitions
- the invention relates to a gas burner according to the Preamble of claim 1.
- EP 769 656 A1 also includes an atmospheric gas burner several, arranged in parallel next to each other Burner elements with a mixing body and one Burner plate with mixture outlet openings known.
- the Burner plate is essentially semi-cylindrical executed arched and as an attachable unit with the Mixing body connected.
- the mixing body and the burner plate each have a surrounding bead, which in the Interact a sealing edge between these two Generate components.
- the mixing body has two Mixing tubes, each narrowing the flow cross section Have constrictions that in the sheet metal elements formed mixing tubes are molded.
- the gas burner according to the invention with the characteristic Features of claim 1 has the advantage that a defined sealing edge and an extended sealing labyrinth is generated, which in all operating states required fuel gas tightness between mixing body and Burner plate is ensured. Stiffen the beads also the two components mixing body and burner plate. This type of connection of the mixing body and burner plate also enables a relative movement in horizontal direction between burner plate and Mixing body due to thermal stress occurs without affecting the sealing geometry becomes.
- Figure 1 shows a view of the broad side of a Burner element
- Figure 2 is a sectional view through the Burner element in Figure 1 along the line II-II
- Figure 3 a Side view of a burner plate
- Figure 4 is a plan view on the burner plate in Figure 3
- Figure 5 an enlarged Section X in Figure 2
- Figure 6 is a sectional view through the burner plate in Figure 4 along the line VI-VI.
- FIG 1 shows a burner element 10 one not closer shown atmospheric gas burner.
- the atmospheric gas burner consists of a number of Burner elements 10 arranged in parallel next to one another. About the arrangement of a corresponding number of Burner elements 10 can have any burner output increase.
- Each burner element 10 has a mixing body 12 with two mixing tubes 13 and a burner plate 15.
- the mixing tubes 13 each have an air inlet opening 21, each a gas nozzle, not shown assigned.
- the gas nozzles direct fuel gas into the Mixing tubes 13, which via the air inlet openings 21 Primary air entrains in the mixing tube 13, so that in the Mixing tubes 13 forms a fuel gas-air mixture.
- a gap Between the burner elements 10 arranged side by side is a gap, not shown, available through the additional Secondary air in a above the burner plate 15th forming combustion zone flows.
- the mixing tubes 13 are each connected Diffuser sections 24 at a common Distribution chamber 25 open.
- For even distribution of the Fuel gas-air mixture is the flow channel of the Diffuser section 24 with a delta-shaped constriction 27 educated.
- In the area of the distribution chamber 25 form the Sheet metal halves 17, 18 a circumferential, housing-side Wall section 29 from ( Figure 5).
- the burner plate 15 has a substantially flat one Burner surface 35, into the mixture outlet openings 16 are introduced.
- the mixture outlet openings 16 are for example as alternately offset in two rows arranged slots formed. ( Figure 4).
- the burner surface 35 is of a frame-like shape Surround wall section 37, in the according to Figures 5 and 6 for example two superimposed and outward pointing beads 38, 38 'on the burner plate side are incorporated are.
- the beads 39, 39 'on the housing engage in assembled state of mixing body 12 and burner plate 15 into the beads 38, 38 'on the burner plate side.
- the beads 38, 38 ', 39, 39' have in the direction of insertion Burner plate on the mixing tube of different heights.
- the to the gas passage openings 16 facing upper beads 38, 39 have a lower height than that of Gas passage openings 16 located lower Beads 38 ', 39', the ratio of the two heights can be a maximum of 1: 2 to each other. This ratio is with mixing body 12 and burner plate 15 the same.
- a safe one Gasket is also created by the top bead 38 of the burner plate 15 to nominal size with a positive Tolerance and the lower bead 38 'of the burner plate Pressing is designed.
- the beads 38, 38 ', 39, 39 ' matched to one another in such a way that these Interaction create a defined line pressure, each form sealing edges. This will in all Operating conditions the required fuel gas tightness guaranteed.
- the beads 38, 38 ', 39, 39' also stiffen both Components and thus enable smaller tolerances. There are however, embodiments are also conceivable that have more than two Use overlapping beads.
- the wall section 37 of the burner plate 15 also points in accordance with Figure 3, for example, at four opposite points each have two locking hooks 40, each as from the Wall section 37 formed formed sheet metal tabs 41 are.
- the sheet metal tabs 41 have a resilient Preload.
- the sheet metal tabs 41 are shaped for example, by punching out a sheet metal strip from the Sheet metal of the wall section 37 and bending it inwards Metal strip.
- the locking hooks 40 are located at locations where the Sheet metal halves 17, 18 of the housing 19 with the constrictions 27 are executed. Through these constrictions 27 form the Sheet metal halves 17, 18 each have recessed housing sections 32 out.
- the metal tabs 41 are bent so far inwards that that the recessed housing portion 32 in reach behind the assembled state ( Figure 5).
- the Resilient effect of the sheet metal tabs 41 enables a safe Connection between mixing body 12 and burner plate 15.
- this type of connection enables one Relative movement between mixing body 12 and burner plate 15, which makes it possible to compensate for thermal stresses is.
- the wall sections 37 In addition to the longitudinal movement between burner plate 15 and mixing body 12, which due to high Temperature differences arise, are to be improved the wall sections 37, for example, expansion slots 43 introduced (Figure 3).
- the geometry of the expansion slots 43 is designed so that there is no interruption of the beads 38, 38 ' takes place and thus ensures the tightness requirements are.
- the wall sections 37 are also on the two Narrow sides each provided with a slot 45 through which the crimping points of the housing 19 can grip (FIG 6).
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gas Burners (AREA)
- Pre-Mixing And Non-Premixing Gas Burner (AREA)
Abstract
Description
Die Erfindung betrifft einen Gasbrenner gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a gas burner according to the Preamble of claim 1.
Aus der EP 769 656 A1 ist ein atmosphärischer Gasbrenner mit mehreren, parallel nebeneinander angeordneten Brennerelementen mit einem Mischkörper und einer Brennerplatte mit Gemischaustrittsöffnungen bekannt. Die Brennerplatte ist im Wesentlichen halbzylinderförmig gewölbte ausgeführt und als aufsteckbare Einheit mit dem Mischkörper verbunden. Der Mischkörper und die Brennerplatte weisen dabei jeweils eine umlaufende Sicke auf, die im Zusammenwirken eine Dichtkante zwischen diesen beiden Bauelementen erzeugen. Der Mischkörper besitzt zwei Mischrohre, die jeweils den Strömungsquerschnitt verengende Einschnürungen aufweisen, die in die aus Blechelementen gebildeten Mischrohre eingeformt sind.EP 769 656 A1 also includes an atmospheric gas burner several, arranged in parallel next to each other Burner elements with a mixing body and one Burner plate with mixture outlet openings known. The Burner plate is essentially semi-cylindrical executed arched and as an attachable unit with the Mixing body connected. The mixing body and the burner plate each have a surrounding bead, which in the Interact a sealing edge between these two Generate components. The mixing body has two Mixing tubes, each narrowing the flow cross section Have constrictions that in the sheet metal elements formed mixing tubes are molded.
Der erfindungsgemäße Gasbrenner mit den kennzeichnenden Merkmalen des Anspruchs 1 hat den Vorteil, dass eine definierte Dichtkante und ein verlängertes Dichtlabyrinth erzeugt wird, wodurch in allen Betriebszuständen die erforderliche Brenngasdichtheit zwischen Mischkörper und Brennerplatte sicherstellt wird. Die Sicken versteifen außerdem die beiden Bauteile Mischkörper und Brennerplatte. Diese Art von Verbindung von Mischkörper und Brennerplatte ermöglicht darüber hinaus eine Relativbewegung in horizontaler Richtung zwischen Brennerplatte und Mischkörper, die aufgrund von thermischen Spannungen auftritt, ohne dass dadurch die Dichtgeometrie beeinflusst wird.The gas burner according to the invention with the characteristic Features of claim 1 has the advantage that a defined sealing edge and an extended sealing labyrinth is generated, which in all operating states required fuel gas tightness between mixing body and Burner plate is ensured. Stiffen the beads also the two components mixing body and burner plate. This type of connection of the mixing body and burner plate also enables a relative movement in horizontal direction between burner plate and Mixing body due to thermal stress occurs without affecting the sealing geometry becomes.
Durch die in den Unteransprüchen aufgeführten Maßnahmen sind vorteilhafte Ausgestaltungen des Gegenstands des Hauptanspruchs möglich. Eine vorteilhafte und ohne großen Kraftaufwand durchführbare Montage von Mischkörper und Brennerplatte wird dadurch ermöglicht, wenn die beiden Sicken in Steckrichtung der Brennerplatte auf das Mischrohr unterschiedliche Höhen besitzen. Das Verhältnis der beiden Höhen beträgt dabei zweckmäßigerweise maximal 1:2, wobei die oberen Sicken eine geringere Höhe aufweisen als die unteren Sicken. Dieses Verhältnis ist bei Mischkörpern und Brennerplatte gleich. Eine sichere Dichtung wird außerdem dadurch erzeugt, wenn die obere Sicke der Brennerplatte auf Nennmass mit einer positiven Toleranz und die untere Sicke der Brennerplatte auf Pressung ausgelegt ist. Um zusätzlich die Längsbewegung von Brennerplatte und Mischkörper, die aufgrund von hohen Temperaturunterschieden beider Teile auftreten, zu verbessern, ist es zweckmäßig, in den längsseitigen Wandabschnitt der Brennerplatte Dehnschlitze auszubilden. Die Geometrie der Dehnschlitze ist so ausgeführt, dass keine Unterbrechung der Sicken erfolgt und somit die Dichtheitsanforderungen gewährleistet sind. By the measures listed in the subclaims advantageous embodiments of the subject of Main claim possible. An advantageous and without large Feasible assembly of mixing body and This allows the burner plate if the two Beading in the direction of insertion of the burner plate onto the mixing tube have different heights. The relationship between the two Heights are advantageously a maximum of 1: 2, the upper beads have a lower height than the lower ones Corrugations. This ratio is for mixed bodies and Burner plate the same. A secure seal will also be this creates when the top bead of the burner plate is open Nominal size with a positive tolerance and the lower bead the burner plate is designed for pressure. To additionally the longitudinal movement of the burner plate and mixing body, the due to high temperature differences between the two parts occur to improve, it is appropriate in the longitudinal wall section of the burner plate expansion slots train. The geometry of the expansion slots is like this executed that there is no interruption of the beads and thus the tightness requirements are guaranteed.
Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und in der nachfolgenden Beschreibung näher erläutert. Figur 1 zeigt eine Ansicht der Breitseite eines Brennerelements, Figur 2 eine Schnittdarstellung durch das Brennerelement in Figur 1 nach der Linie II-II, Figur 3 eine Seitenansicht einer Brennerplatte, Figur 4 eine Draufsicht auf die Brennerplatte in Figur 3, Figur 5 einen vergrößerten Ausschnitt X in Figur 2 und Figur 6 eine Schnittdarstellung durch die Brennerplatte in Figur 4 nach der Linie VI-VI.An embodiment of the invention is in the drawing shown and in the description below explained. Figure 1 shows a view of the broad side of a Burner element, Figure 2 is a sectional view through the Burner element in Figure 1 along the line II-II, Figure 3 a Side view of a burner plate, Figure 4 is a plan view on the burner plate in Figure 3, Figure 5 an enlarged Section X in Figure 2 and Figure 6 is a sectional view through the burner plate in Figure 4 along the line VI-VI.
Figur 1 zeigt ein Brennerelement 10 eines nicht näher
dargestellten atmosphärischen Gasbrenners. Der
atmosphärische Gasbrenner besteht aus einer Anzahl von
parallel nebeneinander angeordneten Brennerelementen 10.
Über die Anordnung einer entsprechenden Anzahl von
Brennerelementen 10 lässt sich die Brennerleistung beliebig
erhöhen. Jedes Brennerelement 10 weist einen Mischkörper 12
mit zwei Mischrohren 13 und einer Brennerplatte 15 auf. Der
Mischkörper 12 wird gemäß Figur 2 beispielsweise aus zwei
schalenförmigen Blechhälften 17, 18 ausgeführt, die ein
Gehäuse 19 bilden.Figure 1 shows a
Die Mischrohre 13 haben jeweils eine Lufteintrittsöffnung
21, der jeweils eine nicht näher dargestellte Gasdüse
zugeordnet ist. Die Gasdüsen leiten Brenngas in die
Mischrohre 13 ein, das über die Lufteintrittsöffnungen 21
Primärluft in das Mischrohr 13 mitreißt, so dass sich in den
Mischrohren 13 ein Brenngas-Luft-Gemisch bildet. Zwischen
den nebeneinander angeordneten Brennerelementen 10 ist ein
nicht dargestellter Spalt vorhanden, durch den zusätzlich
Sekundärluft in eine sich oberhalb der Brennerplatte 15
ausbildende Brennzone strömt.The
An die Mischrohre 13 schließen sich jeweils
Diffusorabschnitte 24 an, die in eine gemeinsame
Verteilkammer 25 münden. Zur gleichmäßigen Verteilung des
Brenngas-Luft-Gemischs ist der Strömungskanal des
Diffusorabschnitts 24 mit einer deltaförmigen Verengung 27
ausgebildet. Im Bereich der Verteilkammer 25 bilden die
Blechhälften 17, 18 einen umlaufenden, gehäuseseitigen
Wandabschnitt 29 aus (Figur 5).The
Die Brennerplatte 15 hat eine im Wesentlichen ebene
Brennerfläche 35, in die Gemischaustrittsöffnungen 16
eingebracht sind. Die Gemischaustrittsöffnungen 16 sind
beispielsweise als in zwei Reihen abwechselnd versetzt
angeordnete Schlitze ausgebildet. (Figur 4).The
Die Brennerfläche 35 ist von einem rahmenförmigen
Wandabschnitt 37 umgeben, in den gemäß Figur 5 und 6
beispielsweise zwei übereinanderliegende und nach außen
weisende brennerplattenseitige Sicken 38, 38' eingearbeitet
sind. Den Sicken 38, 38' sind gemäß Figur 5 im
gehäuseseitigen Wandabschnitt 29 des Mischkörpers 12 zwei
ebenfalls nach außen weisende gehäuseseitige Sicken 39, 39'
zugeordnet. Die gehäuseseitigen Sicken 39, 39' greifen im
montierten Zustand von Mischkörper 12 und Brennerplatte 15
in die brennerplattenseitigen Sicken 38, 38' ein.The
Die Sicken 38, 38', 39, 39' besitzen in Steckrichtung der
Brennerplatte auf das Mischrohr unterschiedliche Höhen. Die
zu den Gasdurchtrittsöffnungen 16 weisenden oberen Sicken
38, 39 weisen dabei eine geringere Höhe auf als die von den
Gasdurchtrittsöffnungen 16 entfernt angeordneten unteren
Sicken 38', 39', wobei das Verhältnis der beiden Höhen
zueinander maximal 1:2 betragen kann. Dieses Verhältnis ist
bei Mischkörper 12 und Brennerplatte 15 gleich. Eine sichere
Dichtung wird außerdem dadurch erzeugt, wenn die obere Sicke
38 der Brennerplatte 15 auf Nennmass mit einer positiven
Toleranz und die untere Sicke 38' der Brennerplatte auf
Pressung ausgelegt ist. Dadurch sind die Sicken 38, 38', 39,
39' derart aufeinander abgestimmt, dass diese im
Zusammenwirken eine definierte Linienpressungen erzeugen,
die jeweils Dichtkanten ausbilden. Dadurch wird in allen
Betriebszuständen die geforderte Brenngasdichtheit
gewährleistet.The
Die Sicken 38, 38', 39, 39' versteifen außerdem beide
Bauteile und ermöglichen somit kleinere Toleranzen. Es sind
jedoch auch Ausführungsformen denkbar, die mehr als zwei
übereinander liegende Sicken benutzen.The
Der Wandabschnitt 37 der Brennerplatte 15 weist ferner gemäß
Figur 3 beispielsweise an vier gegenüberliegenden Stellen
jeweils zwei Rasthaken 40 auf, die jeweils als aus dem
Wandabschnitt 37 ausgeformte Blechlaschen 41 ausgebildet
sind. Die Blechlaschen 41 besitzen eine federnde
Vorspannung. Das Ausformen der Blechlaschen 41 erfolgt
beispielsweise durch Ausstanzen eines Blechstreifens aus dem
Blech des Wandabschnitts 37 und nach innen Biegen dieses
Blechstreifens.The
Die Rasthaken 40 befinden sich an Stellen, an denen die
Blechhälften 17, 18 des Gehäuses 19 mit den Verengungen 27
ausgeführt sind. Durch diese Verengungen 27 bilden die
Blechhälften 17, 18 jeweils zurückgesetzte Gehäuseabschnitte
32 aus. Die Blechlaschen 41 sind so weit nach innen gebogen,
dass sie den zurückgesetzten Gehäuseabschnitt 32 im
montierten Zustand rastend hintergreifen (Figur 5). Die
federnde Wirkung der Blechlaschen 41 ermöglicht eine sichere
Verbindung zwischen Mischkörper 12 und Brennerplatte 15.
Darüber hinaus ermöglicht diese Art der Verbindung eine
Relativbewegung zwischen Mischkörper 12 und Brennerplatte
15, wodurch ein Ausgleich bei thermischen Spannungen möglich
ist.The
Um zusätzlich die Längsbewegung zwischen Brennerplatte 15
und Mischkörper 12, die auf Grund von hohen
Temperaturunterschieden entstehen, zu verbessern, sind in
die Wandabschnitte 37 beispielsweise Dehnschlitze 43
eingebracht (Figur 3). Die Geometrie der Dehnschlitze 43 ist
so ausgeführt, dass keine Unterbrechung der Sicken 38, 38'
erfolgt und somit die Dichtheitsanforderungen gewährleistet
sind. Die Wandabschnitte 37 sind ferner an den beiden
Schmalseiten mit jeweils einem Schlitz 45 versehen, durch
den die Bördelstellen des Gehäuses 19 greifen können (Figur
6).In addition to the longitudinal movement between
Claims (6)
- Gas burner with a plurality of burner elements (10) arranged essentially parallel to one another, with a mixing body (12) and with a burner plate (15) closing off the mixing body with respect to the combustion zone and having mixture outlet orifices, the mixing body and the burner plate in each case having beads on a wall portion (29, 37), characterized in that the wall portions (29, 37) of the mixing body (12) and the burner plate (15) have formed on them at least two beads (38, 38', 39, 39') which lie one above the other and implement a sealing action between the two components by means of linear pressure.
- Gas burner according to Claim 1, characterized in that the height of the upper beads (38, 39) pointing towards the mixture outlet orifices is smaller than the height of the lower beads (38', 39') further away from the mixture outlet orifices.
- Gas burner according to Claim 2, characterized in that the ratio of the heights of the two beads (38, 38', 39, 39') is at most 1:2.
- Gas burner according to Claim 1, characterized in that the upper bead (38), pointing towards the mixture outlet orifices, of the burner plate (15) is designed for a nominal dimension with a positive tolerance and the lower bead (38'), further away from the mixture outlet orifices, of the burner plate (15) is designed for pressing.
- Gas burner according to Claim 1, characterized in that at least one expansion slot (43) is introduced in each of the two wall portions (37) located opposite one another.
- Gas burner according to Claim 5, characterized in that the expansion slot (43) lies outside the beads (38, 38').s
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10053875A DE10053875C1 (en) | 2000-10-31 | 2000-10-31 | Burner plate for a gas burner |
DE10053875 | 2000-10-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1201991A1 EP1201991A1 (en) | 2002-05-02 |
EP1201991B1 true EP1201991B1 (en) | 2004-10-20 |
Family
ID=7661621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01125297A Expired - Lifetime EP1201991B1 (en) | 2000-10-31 | 2001-10-25 | Burner plate for a gas burner |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1201991B1 (en) |
AT (1) | ATE280356T1 (en) |
DE (2) | DE10053875C1 (en) |
ES (1) | ES2228726T3 (en) |
PT (1) | PT1201991E (en) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1435263A (en) * | 1965-03-26 | 1966-04-15 | American Radiator & Standard | Gas burner |
FR1505518A (en) * | 1966-11-02 | 1967-12-15 | Saunier Duval | Universal burner for household use of combustible gases |
DE3117775A1 (en) * | 1981-05-06 | 1982-11-25 | Robert Bosch Gmbh, 7000 Stuttgart | Atmospheric all-gas burner, in particular for gas-heated domestic appliances |
DE8813584U1 (en) * | 1987-11-03 | 1988-12-15 | Joh. Vaillant Gmbh U. Co, 5630 Remscheid, De | |
FR2740202B1 (en) * | 1995-10-19 | 1997-12-12 | Leblanc Sa E L M | IMPROVEMENTS TO A WATER HEATER, BATH HEATER, GAS BOILER |
US5873713A (en) * | 1996-09-13 | 1999-02-23 | Osterhues; Konrad | Fuel/air supply assembly for gas burners |
-
2000
- 2000-10-31 DE DE10053875A patent/DE10053875C1/en not_active Expired - Fee Related
-
2001
- 2001-10-25 AT AT01125297T patent/ATE280356T1/en not_active IP Right Cessation
- 2001-10-25 ES ES01125297T patent/ES2228726T3/en not_active Expired - Lifetime
- 2001-10-25 PT PT01125297T patent/PT1201991E/en unknown
- 2001-10-25 EP EP01125297A patent/EP1201991B1/en not_active Expired - Lifetime
- 2001-10-25 DE DE50104192T patent/DE50104192D1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ATE280356T1 (en) | 2004-11-15 |
DE50104192D1 (en) | 2004-11-25 |
ES2228726T3 (en) | 2005-04-16 |
PT1201991E (en) | 2005-03-31 |
EP1201991A1 (en) | 2002-05-02 |
DE10053875C1 (en) | 2002-06-06 |
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