EP1098028B1 - Sèche-linge avec filtre à peluche auto-nettoyant - Google Patents

Sèche-linge avec filtre à peluche auto-nettoyant Download PDF

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Publication number
EP1098028B1
EP1098028B1 EP00123244A EP00123244A EP1098028B1 EP 1098028 B1 EP1098028 B1 EP 1098028B1 EP 00123244 A EP00123244 A EP 00123244A EP 00123244 A EP00123244 A EP 00123244A EP 1098028 B1 EP1098028 B1 EP 1098028B1
Authority
EP
European Patent Office
Prior art keywords
lint
dry air
drying air
air duct
filter
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
EP00123244A
Other languages
German (de)
English (en)
Other versions
EP1098028A3 (fr
EP1098028A2 (fr
Inventor
Andreas Dr.-Ing. Ziemann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP1098028A2 publication Critical patent/EP1098028A2/fr
Publication of EP1098028A3 publication Critical patent/EP1098028A3/fr
Application granted granted Critical
Publication of EP1098028B1 publication Critical patent/EP1098028B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/22—Lint collecting arrangements

Definitions

  • the invention relates to a clothes dryer with a dry air blower, one in a lint filter arranged in a dry air duct, a device for reducing or closing the cross section of the dry air duct and generating a Air jet for blowing off lint from the lint filter when it is switched on Dry air blower and a device for removing blown off fluff.
  • Such a tumble dryer is known from US 2,752,004A. It is used to create of an air jet attached to a large, diagonally installed lint filter runs along and is supposed to take fluff with it, a cover in the dry air duct intended.
  • German utility model DE 94 04 929 U1 Tumble dryer suitable for the lint filters to blow off the lint Blow nozzles are assigned, which are connected to a compressed air source and can be pressurized with compressed air.
  • a compressed air source and compressed air valves necessary, which represent a considerable effort.
  • a lint collector according to US 3,898,065 A can remove lint also be suitable; however are here a plurality of flaps required through a fluidic control must be operated.
  • the present invention has for its object a dryer to create the type mentioned, in which the blowing and removing the fluff can be carried out by the lint filter with particularly little effort.
  • a clothes dryer at the beginning mentioned type, in which the device for reducing or closing of the cross section of the dry air duct is designed as a pivotable flap in a reducing or closing the cross section of the dry air duct Position opens an opening in the wall of the dry air duct through the blown off Lint can be removed.
  • the dry air flow is jammed and can be used to generate it of an air jet can be used for blowing off.
  • the dry air duct can be narrowed or closed with a flap
  • another Device is provided with the air under pressure before the constriction or locking point are derived and directed against the lint filter can.
  • the flap or generally the device for closing or narrowing the dry air duct itself a device such as a Have controllable valve with an air nozzle with which the air jet generates and can be directed at the lint filter.
  • an additional one Air duct may be provided, which in front of the constriction or closure point Dry air duct is connected.
  • the device for generating the air jet has a controllable valve, this after closing or Narrowing of the dry air duct can be opened with a time delay so that the Closure or constriction can build up a higher pressure. Furthermore, it can also be controlled intermittently in order to blow the blow in Lint filter to achieve a higher cleaning effect.
  • the additional facility required to reduce or close the Dry air duct cross section can be realized very easily and inexpensively.
  • These can be, for example, bodies that are pushed into the dry air duct or swung in, also being unfoldable or inflatable Hollow bodies are conceivable. It can also be provided that the Limits of the dry air duct are movable, and so the cross section of the Dry air duct can be reduced.
  • the device for reducing or closing the Cross section of the dry air duct can also be generated.
  • the air jet can with narrowed dry air duct in the remaining constriction or at closed dry air duct in a breakthrough in the device for closing of the dry air duct are generated.
  • the cross section of the dry air duct can be reduced in such a way that one is possible sharp and focused air jet can be directed onto the lint filter.
  • the air jet can be directed onto the edge of the fluff filter to create a to detach the lint covering from the edge.
  • a clothes dryer according to the invention advantageously has an air guiding device with which the dry air duct cross section is reduced or closed a generated air jet with a flat impact angle on the fluff filter can be directed.
  • the air jet can have a flat impact angle to the edge of the fluff filter.
  • the flat blowing on the lint filter can be achieved, for example, by creates a cross-sectional narrowing of the dry air duct at the edge of the lint filter and an air deflection part is arranged next to the lint filter directs the air jet generated onto the fluff filter at a flat angle.
  • the cross section of the dry air duct can be created next to the lint filter be so that the air to flow through the lint filter this necessarily flows at an angle. If the dry air duct with a retractable or collapsible body is narrowed, this can be the narrowest part forming edge or the part located behind it in the direction of flow be that the flow along the surface into the desired one Direction is headed.
  • the fluff filter can be used shortly after the Dry air duct arranged and the narrowing of the dry air duct on the inside the dry air duct bend are generated so that the air jet passes the lint filter Flows at a flat angle or parallel to the surface, provided the lint filter aligned behind the bend essentially perpendicular to the dry air duct is.
  • a device is advantageously provided with which the blown and removed Lint can be transported to a collection container. In this way the fluff rarely needs to be removed by an operator.
  • the Lint can, for example, be suctioned off and placed in a filter Collection containers are directed.
  • a filter bag can be used which can be disposed of together with the fluff. Furthermore, can also during an opening in the wall of the dry air duct is released during the blow-off process through which the air jet can remove the blown-off fluff.
  • the collecting container can have a signaling device for monitoring the degree of filling be assigned. For example, an operator can determine the degree of filling of the Show collection container or be designed so that they only when reached of a certain degree of filling gives a signal so that the operator the degree of filling the lint collection container does not have to constantly monitor.
  • a pivotable flap is provided, those that reduce or close the cross section of the dry air duct Position opens an opening in the wall of the dry air duct, through which the blown off fluff can be removed. That way with a very simple and inexpensive component of the dry air duct in the Cross section can be reduced or closed and at the same time ensured that the blown-off lint is removed by being blown off by the blow-off air jet through the open opening in the wall of the dry air duct to be blown through. A lint collection container can be connected to this opening his.
  • a simple flap can be used, which at one end is articulated on a wall of the dry air duct.
  • this case describes the free end when swinging into the dry air duct an arc and can create a constriction on the other side of the dry air duct, in which increases the flow rate when the dry air blower is switched on is so that the fluff can be blown away with the air jet generated.
  • the filter can be installed at an angle, so that the front edge is close the constriction and the rear part of the filter is not the movement of the flap with special needs.
  • the required angle of attack of the filter can be reduced by the lint filter is curved so that it is the trajectory of the free end essentially follows the flap. In this way, one edge of the lint filter immediately after the narrow point with the flap swung in and in addition the air jet generated in the constriction becomes flat Angle directed to the lint filter.
  • To the lint filter as close as possible to a generated It can also be arranged perpendicular to the dry air duct behind a bend can be arranged, with the flap in front on the outside of the Bend is articulated so that when swung into the dry air duct on creates the constriction in the inside end of the fluff filter.
  • blower output of the dry air blower for blowing off fluff for a short time can be increased. Since this process only takes a short time, one can The nominal load capacity of the blower motor may be exceeded.
  • the tumble dryer 1 shown in Fig. 1 has a rotatably mounted drum 2 for receiving the laundry to be dried 5.
  • the drum 2 has one perforated drum base and a loading opening on the opposite end, which is articulated by means of a to the housing of the dryer 1 Door 9 can be closed.
  • a blower 3 can be used Dry air flow is generated by the drum 2, the door 9 and a cooled Condenser 6 for removing moisture from the dry air flow runs and is shown in Fig. 1 with arrows.
  • Heating device 4 is provided for heating the dry air flow.
  • a fluff filter 7 is in the flow direction behind the drum 2 Dry air duct arranged, with the detached fluff 11 in particular be held back.
  • a controllable flap 8 on Edge of the dry air duct hinged In front of the lint filter 7 is a controllable flap 8 on Edge of the dry air duct hinged. The flap 8 can be pivoted in this way be that there is only a small gap at the linkage leaves opposite wall of the dry air duct free.
  • the lint filter 7 and the flap 8 are designed so that the fluff filter 7 the movement of the flap 8th not hindered and that the flap 8 in its constricting the dry air channel Position can produce the gap as close as possible to the lint filter 7.
  • a control device 10 is provided in the laundry dryer and its components, which is arranged at the top of the front of the clothes dryer 1.
  • FIG. 2 shows the device for removing lint in a first operating position shown during the normal drying operation of the clothes dryer 1.
  • the flap 8 lies against the wall of the dry air duct, closes the opening leading to the lint collecting container 9 and gives the lint filter 7 completely free for the dry air flow. In this phase gather the lint 11 on the lint filter 7.
  • the control device 10 starts a cleaning phase initiated, in which the flap 8 is pivoted so that it to the Lint collecting container 9 opens opening and the dry air duct up blocked a gap that is formed near an edge of the lint filter 7.
  • This state is shown in Fig. 3.
  • the fan 3 remains on during this time or can even be activated for a short time beyond its nominal power become. This results in a sharp jet of air in the gap generated by the flap 8 generated, which blows the lint 11 away from the lint filter 7 and into the lint collecting container 9 promoted.
  • This has an air-permeable wall section that be as far as possible from the supply opening in the dry air duct and the blown into it Can hold back lint 11.
  • the lint collection container 9 essentially airtight in its inclusion in the tumble dryer 1, with an air-permeable lint filter on its front is arranged.
  • the cleaning phase can, for example, during a cooling phase at the end of the drying program, if the heating is switched off 4 the fan for cooling the laundry 5 switched on for a while remains.
  • FIGS. 4 and 5 are two further embodiments for the design of the Dry air channel shown to the air jet generated by the flap 8 on the To lead lint filter 7.
  • an air deflection part 12 on the wall of the Dry air duct can be arranged, the air jet flat on the lint filter 7 directs.
  • the dry air duct can be widened in front of the constriction to direct the air jet flat against the lint filter 7 from the outside.
  • Fig. 6 is an embodiment with a flat and perpendicular to the dry air duct arranged lint filter 7 shown, in which the lint filter 7 directly is arranged behind a right-angled deflection of the dry air flow.
  • the flap 8 is articulated on the outside of the deflection and can be pivoted inwards become.
  • the gap is also at an edge of the lint filter 7 generated, the air jet flowing against the lint filter 7 substantially in parallel.
  • the lint 11 is at the front end in the lint collecting container 9 passed, in which the air-permeable wall section here advantageously is arranged at the rear end so that the lint collecting container 9 from can be filled with fluff 11 at the back.
  • the inclusion of the clothes dryer 1 for the lint collecting container 9 must be designed so that the Air escaping from the rear into the interior of the device and from there to the outside can.
  • FIG. 7 Another example of an inventive device for blowing off the Fluff 11 is shown in Figure 7, in which the flap 8 the dry air duct can completely block and at the same time a first opening through which the jammed Dry air can escape, and a second opening through which the Blown off fluff 11 can be removed.
  • This is done by the first Dammed dry air escaping through the opening by means of an additional air duct and a nozzle blown from behind against the lint filter 7.
  • the one through the lint filter blown air jet lifts the lint 11 and conveys it through the second released opening as in the previously described cases the lint collecting container 9.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Detergent Compositions (AREA)

Claims (7)

  1. Sèche-linge (1) comprenant un ventilateur d'air sec (3), un filtre à peluches (7) situé dans un canal d'air sec, un dispositif servant à réduire ou obstruer la section transversale du canal d'air sec et à produire un jet d'air pour chasser les peluches (11) du filtre à peluches (7) par soufflage, le ventilateur d'air sec (3) étant en marche, et un dispositif pour éliminer les peluches chassées par soufflage, caractérisé en ce que le dispositif de réduction ou d'obstruction de la section transversale du canal d'air sec est exécuté en tant que volet pivotant (8) qui, lorsqu'il se trouve dans une position réduisant ou obstruant la section transversale du canal d'air sec, libère dans la paroi du canal d'air sec une ouverture à travers laquelle les peluches (11) chassées par soufflage peuvent être éliminées.
  2. Sèche-linge selon la revendication 1, caractérisé en ce que le volet (8) peut produire également le jet d'air.
  3. Sèche-linge selon la revendication 1 ou 2, caractérisé en ce qu'il comprend un dispositif guidant l'air (12) grâce auquel un jet d'air produit peut être guidé sur le filtre à peluches (7) avec un angle d'incidence plat lorsque la section transversale du canal d'air sec est réduite ou obstruée.
  4. Sèche-linge selon l'une des revendications 1 à 3, caractérisé en ce qu'il comprend un dispositif grâce auquel les peluches (11) chassées par soufflage et éliminées peuvent être transportées dans un récipient collecteur (9).
  5. Sèche-linge selon la revendication 4, caractérisé en ce qu'il comprend un dispositif de signalisation servant à surveiller le niveau de remplissage du récipient collecteur (9).
  6. Sèche-linge selon l'une des revendications 1 à 5, caractérisé en ce que le dispositif d'élimination des peluches (11) chassées par soufflage peut être relié au côté d'aspiration du ventilateur d'air sec (3).
  7. Sèche-linge selon l'une des revendications 1 à 6, caractérisé en ce que la puissance de soufflage du ventilateur d'air sec (3) peut être brièvement augmentée pour chasser les peluches (11) par soufflage.
EP00123244A 1999-11-02 2000-10-26 Sèche-linge avec filtre à peluche auto-nettoyant Expired - Lifetime EP1098028B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19952751A DE19952751B4 (de) 1999-11-02 1999-11-02 Wäschetrockner mit einem selbstreinigenden Flusenfilter
DE19952751 1999-11-02

Publications (3)

Publication Number Publication Date
EP1098028A2 EP1098028A2 (fr) 2001-05-09
EP1098028A3 EP1098028A3 (fr) 2002-05-15
EP1098028B1 true EP1098028B1 (fr) 2004-07-28

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EP00123244A Expired - Lifetime EP1098028B1 (fr) 1999-11-02 2000-10-26 Sèche-linge avec filtre à peluche auto-nettoyant

Country Status (4)

Country Link
EP (1) EP1098028B1 (fr)
AT (1) ATE272141T1 (fr)
DE (2) DE19952751B4 (fr)
ES (1) ES2223363T3 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008057460A1 (de) 2008-11-14 2010-05-20 Miele & Cie. Kg Wäschebehandlungsmaschine insbesondere Wäschetrockner
EP2196577A1 (fr) 2008-12-11 2010-06-16 BSH Bosch und Siemens Hausgeräte GmbH Séchoir doté d'une teneur en air ambiant et son procédé de fonctionnement
DE102008062434A1 (de) * 2008-12-17 2010-07-01 Ip Ag Flusenabreinigungsvorrichtung
CN1757814B (zh) * 2004-10-08 2011-02-16 Lg电子株式会社 洗衣机及其控制方法
DE102013217467A1 (de) 2013-09-02 2015-03-05 BSH Bosch und Siemens Hausgeräte GmbH Haushaltsgerät mit Wegeventil
US8984767B2 (en) 2009-03-13 2015-03-24 BSH Hausgeräte GmbH Laundry drying unit having a lint screen arranged within a process air circuit and a method for operating said laundry drying unit
DE102006012450B4 (de) 2006-03-17 2018-03-29 BSH Hausgeräte GmbH Vorrichtung zum Trocknen eines eine klumpfähige Füllung enthaltenen Textilstücks
US10145056B2 (en) 2007-04-03 2018-12-04 BSH Hausgeräte GmbH Device for cleaning a component, particularly of a vaporizer of a condenser device and a washer or washer/dryer comprising such a device
US11186943B2 (en) 2017-10-09 2021-11-30 Whirlpool Corporation Filter configured for being used in a machine for drying laundry and machine for drying laundry equipped with such a filter

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005054683A1 (de) * 2005-11-16 2007-05-24 BSH Bosch und Siemens Hausgeräte GmbH Vorrichtung zum Trocknen von Wäsche mittels eines Luftstroms
KR101253150B1 (ko) * 2006-04-17 2013-04-10 엘지전자 주식회사 건조기 및 그 제어방법
DE102006060031A1 (de) * 2006-12-19 2008-06-26 BSH Bosch und Siemens Hausgeräte GmbH Verfahren und Vorrichtung zum Trocknen von Wäsche mittels eines Luftstromes sowie eine solche Vorrichtung enthaltendes Hausgerät
KR100826535B1 (ko) 2007-02-20 2008-05-02 엘지전자 주식회사 필터 청소장치 및 이를 구비한 덕트리스 건조기
DE102007049061A1 (de) 2007-10-12 2009-04-16 BSH Bosch und Siemens Hausgeräte GmbH Verfahren und Vorrichtung zum Reinigen eines Bauteiles, insbesondere eines Verdampfers einer Kondensatoreinrichtung sowie Wasch- oder Wäschetrockner mit einer solchen Vorrichtung
DE102008032800A1 (de) 2008-07-11 2010-01-14 BSH Bosch und Siemens Hausgeräte GmbH Vorrichtung zum Reinigen eines Bauteiles, insbesondere eines Verdampfers einer Kondensatoreinrichtung
DE102008041474A1 (de) * 2008-08-22 2010-02-25 BSH Bosch und Siemens Hausgeräte GmbH Haushaltstrockungsgerät und Verfahren zum Reinigen eines Bauteiles, insbesonder eines Verdampfers einer Kondensatoreinrichtung eines solchen Haushaltstrocknungsgerätes
DE102008044284A1 (de) * 2008-12-02 2010-06-10 BSH Bosch und Siemens Hausgeräte GmbH Trockner mit Umluftanteil sowie Verfahren zu seinem Betrieb
CN101988260B (zh) * 2009-07-30 2013-06-12 博西华电器（江苏）有限公司 设有烘干程序的衣物洗涤设备及其控制方法
DE102009046920A1 (de) * 2009-11-20 2011-05-26 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zum Reinigen einer Prozessluft eines Wäschetrocknungsgeräts und Wäschetrocknungsgerät
EP2634301B1 (fr) * 2012-02-29 2019-10-23 Electrolux Home Products Corporation N.V. Machine à laver et sécher le linge domestique avec un dispositif de condensation et prodédé de fonctionnement de cette machine
EP3246455B1 (fr) * 2016-05-17 2022-07-06 Electrolux Appliances Aktiebolag Machine de traitement de linge comprenant un filtre à peluches amovible
US11519129B2 (en) 2018-12-28 2022-12-06 Whirlpool Corporation Separation of lint from an exhaust airstream within a laundry appliance
CN110686480B (zh) * 2019-09-20 2021-05-11 溆浦绿之然农业发展有限公司 一种谷物烘干机
CN115679664A (zh) * 2021-07-27 2023-02-03 青岛海尔洗衣机有限公司 一种干衣机及其具有线屑过滤组件的风道

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US1427580A (en) * 1922-02-14 1922-08-29 Charles W Collins Clothes-drying machine
US2752004A (en) * 1953-06-25 1956-06-26 Murray Corp Laundry dryers
US3423906A (en) * 1968-01-26 1969-01-28 Means & Co F W Apparatus for removing particles from air
US3898065A (en) * 1973-10-09 1975-08-05 Norman Dryer Co Inc Lint collector
US4268247A (en) * 1979-05-24 1981-05-19 Challenge-Cook Bros., Incorporated Method for drying fabrics
DE8605014U1 (de) * 1986-02-25 1986-04-24 MTM Obermaier GmbH & Co KG, 6733 Haßloch Vorrichtung zum selbsttätigen Reinigen eines Flusensiebes
US4726125A (en) * 1986-09-17 1988-02-23 Pellerin Milnor Corporation Tumble dryers
DE9102035U1 (de) * 1991-02-21 1991-05-08 Böwe-Passat Reinigungs- und Wäschereitechnik GmbH, 8900 Augsburg Automatische Flusenabscheidung
DE9404929U1 (de) * 1994-03-23 1994-05-19 Böwe-Passat Reinigungs- und Wäschereitechnik GmbH, 86161 Augsburg Wäschetrockner mit einer Flusen-Abscheidevorrichtung
US5560120A (en) * 1995-04-20 1996-10-01 Whirlpool Corporation Lint handling system

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1757814B (zh) * 2004-10-08 2011-02-16 Lg电子株式会社 洗衣机及其控制方法
DE102006012450B4 (de) 2006-03-17 2018-03-29 BSH Hausgeräte GmbH Vorrichtung zum Trocknen eines eine klumpfähige Füllung enthaltenen Textilstücks
US10145056B2 (en) 2007-04-03 2018-12-04 BSH Hausgeräte GmbH Device for cleaning a component, particularly of a vaporizer of a condenser device and a washer or washer/dryer comprising such a device
DE102008057460B4 (de) * 2008-11-14 2011-04-28 Miele & Cie. Kg Wäschebehandlungsmaschine insbesondere Wäschetrockner und selbstreinigende Flusenfiltereinrichtung
DE102008057460A1 (de) 2008-11-14 2010-05-20 Miele & Cie. Kg Wäschebehandlungsmaschine insbesondere Wäschetrockner
US8240064B2 (en) 2008-12-11 2012-08-14 Bsh Bosch Und Siemens Hausgeraete Gmbh Dryer with recirculated air proportion and method for its operation
DE102008054548A1 (de) * 2008-12-11 2010-06-17 BSH Bosch und Siemens Hausgeräte GmbH Trockner mit Umluftanteil sowie Verfahren zu seinem Betrieb
EP2196577A1 (fr) 2008-12-11 2010-06-16 BSH Bosch und Siemens Hausgeräte GmbH Séchoir doté d'une teneur en air ambiant et son procédé de fonctionnement
DE102008062434A1 (de) * 2008-12-17 2010-07-01 Ip Ag Flusenabreinigungsvorrichtung
US8984767B2 (en) 2009-03-13 2015-03-24 BSH Hausgeräte GmbH Laundry drying unit having a lint screen arranged within a process air circuit and a method for operating said laundry drying unit
DE102013217467A1 (de) 2013-09-02 2015-03-05 BSH Bosch und Siemens Hausgeräte GmbH Haushaltsgerät mit Wegeventil
US11186943B2 (en) 2017-10-09 2021-11-30 Whirlpool Corporation Filter configured for being used in a machine for drying laundry and machine for drying laundry equipped with such a filter
US11761141B2 (en) 2017-10-09 2023-09-19 Whirlpool Corporation Filter configured for being used in a machine for drying laundry and machine for drying laundry equipped with such a filter

Also Published As

Publication number Publication date
EP1098028A3 (fr) 2002-05-15
DE19952751A1 (de) 2001-06-21
DE50007189D1 (de) 2004-09-02
EP1098028A2 (fr) 2001-05-09
ES2223363T3 (es) 2005-03-01
DE19952751B4 (de) 2009-01-02
ATE272141T1 (de) 2004-08-15

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