EP1997951A1 - Machine à laver le linge - Google Patents

Machine à laver le linge Download PDF

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Publication number
EP1997951A1
EP1997951A1 EP07109253A EP07109253A EP1997951A1 EP 1997951 A1 EP1997951 A1 EP 1997951A1 EP 07109253 A EP07109253 A EP 07109253A EP 07109253 A EP07109253 A EP 07109253A EP 1997951 A1 EP1997951 A1 EP 1997951A1
Authority
EP
European Patent Office
Prior art keywords
drum
laundry
laundry machine
coil
humidity
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
Application number
EP07109253A
Other languages
German (de)
English (en)
Other versions
EP1997951B1 (fr
Inventor
Stefano Casagrande
Silvano Cimetta
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.)
Electrolux Home Products Corp NV
Original Assignee
Electrolux Home Products Corp NV
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 Electrolux Home Products Corp NV filed Critical Electrolux Home Products Corp NV
Priority to AT07109253T priority Critical patent/ATE501300T1/de
Priority to PL07109253T priority patent/PL1997951T3/pl
Priority to ES07109253T priority patent/ES2362938T3/es
Priority to EP07109253A priority patent/EP1997951B1/fr
Priority to DE602007013017T priority patent/DE602007013017D1/de
Priority to RU2008121730/12A priority patent/RU2453643C2/ru
Publication of EP1997951A1 publication Critical patent/EP1997951A1/fr
Application granted granted Critical
Publication of EP1997951B1 publication Critical patent/EP1997951B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/18—Condition of the laundry, e.g. nature or weight
    • 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/02—Characteristics of laundry or load
    • D06F2103/08—Humidity
    • D06F2103/10—Humidity expressed as capacitance or resistance
    • 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/58—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers related to condensation, e.g. condensate water level
    • 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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/04—Signal transfer or data transmission arrangements
    • D06F34/05—Signal transfer or data transmission arrangements for wireless communication between components, e.g. for remote monitoring or control
    • 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
    • D06F58/32—Control of operations performed in domestic laundry dryers 
    • D06F58/34—Control of operations performed in domestic laundry dryers  characterised by the purpose or target of the control
    • D06F58/36—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F58/38—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry of drying, e.g. to achieve the target humidity

Definitions

  • the present invention relates to a laundry machine.
  • the present invention may be used to particular advantage in a laundry drying machine having a wireless laundry humidity sensor, to which the following description refers purely by way of example.
  • a standard home tumble laundry drying machine condenses a stream of hot air blown into a drying drum and which removes moisture from the laundry; and the front access to the drum is closed by a hinged panel-type front door.
  • a known laundry drying machine comprises a ventilation system (i. e. usually a blower comprising a fan and an electric fan motor) and a heating arrangement, which draw air from the outside and, via an appropriate conduit arrangement, heat and blow the air into and through the laundry drying drum.
  • the hot drying air is then either exhausted directly from the drying machine or fed to condensing means to condense the moisture collected in the hot air.
  • the duration of a drying cycle was constant and predetermined.
  • the weight and initial humidity of the laundry to be dried are variable, so that a drying cycle of fixed duration may be either too short (i.e. at the end of the drying cycle, the laundry is still too damp and the drying cycle therefore ineffective) or too long (i.e. the drying cycle has used too much energy and is therefore inefficient).
  • a modern tumble drying machine normally employs a sensor to measure the relative humidity of the laundry during the drying cycle and to stop the drying cycle when the humidity of the laundry reaches a given value depending on the drying cycle selected by the user.
  • the most effective way of measuring humidity is a direct measurement of the conductivity of the laundry.
  • Various solutions are already marketed, which measure the conductivity between the drum and metal inserts fixed to the drum outlet or the lifters, or in which the drum is divided into two halves, and conductivity measured in between.
  • a limitation of the above known methods lies in the restrictions imposed on the drum which, being a component of the measuring system, must be made of any conductive material (e.g., stainless steel), and cannot be made of plastic, which is insulating, or lined with soft materials (such as thin silicone layers), which are also insulating. Consequently, the above known methods cannot be used in a tumble drying machine, in which "gentle treatment" of the laundry is achieved by lining the drum with soft materials.
  • the electric signal for measuring the conductivity of the laundry must be transferred from the rotating drum to an external fixed control unit by means of brushes sliding on a metal ring.
  • the brushes have a relatively short working life and must therefore be replaced frequently, and are potentially noisy, due to brush creep-generated noise.
  • the metal ring may also have a relatively short working life due to oxidation.
  • Number 1 in Figure 1 indicates as a whole a laundry drying machine comprising a casing 2 resting on a floor 3 on a number of feet 4.
  • Casing 2 supports a revolving laundry drum 5 which rotates about a horizontal rotation axis 6 (in alternative embodiments not shown, rotation axis 6 may be tilted or vertical), and front access to which is closed by a door 7 hinged to a front wall of casing 2.
  • Drum 5 is rotated by an electric motor 8, and is fed through with a stream of drying air fed into drum 5 by a centrifugal fan 9 and heated by heating elements 10.
  • the moisture in the laundry in drum 5 is released by evaporation to the stream of hot drying air; and the moist hot air from drum 5 is piped to a condenser 11, which is cooled by a stream of relatively cold air drawn in from the outside by a centrifugal aspirator 12.
  • condenser 11 the vapour in the stream of hot air is condensed to liquid by cooling, and collects in a condenser reservoir 13; the dry air from condenser 11 is drawn by fan 9 and fed back into drum 5, subject to reheating by heating elements 10; and the outside air used for condensation is exhausted.
  • condensation collected in condenser reservoir 13 is pumped by a pump 14 into a condensation tank 15 fitted to door 7 closing the loading opening of drum 5 and located at a higher level than condenser reservoir 13; and, when condensation tank 15 is full, a known level sensor (not shown) is activated to stop drying machine 1. Operation of the drying machine is controlled by an electronic control unit (or programmer) 16 operated by buttons or knobs 17 on a front control panel 18.
  • Electronic control unit 16 receives a humidity measurement of the laundry inside drum 5 during a drying cycle from a humidity sensor 19 fitted to drum 5 and comprising a wireless transmitter 20, which transmits the laundry humidity measurement to a wireless receiver 21 connected to electronic control unit 16.
  • wireless transmitter 20 and wireless receiver 21 communicate, for example, by radio waves or optic (infrared) signals.
  • Laundry drying machine 1 comprises an electric generator 22 fitted to drum 5, and which uses rotation of drum 5 to generate the electric energy necessary to operate humidity sensor 19.
  • Electric generator 22 is preferably an electromagnetic generator, and comprises a coil 23; and a magnetic mass 24 located inside coil 23 and movable along coil 23 between two limit positions (shown in Figures 2 and 3 ) defined by two mechanical stops 25 and 26. Magnetic mass 24 moves freely inside coil 23 between the two limit positions, and is moved cyclically inside coil 23 between the two limit positions by force of gravity and rotation of drum 5.
  • coil 23 In a first angular position of drum 5 shown in Figure 2 , coil 23 is in an upright position, in which mechanical stop 25 is above mechanical stop 26, and magnetic mass 24 drops by force of gravity onto mechanical stop 26; in a second angular position of drum 5, 180° from the first angular position and shown in Figure 3 , coil 23 is in an upright position, in which mechanical stop 26 is above mechanical stop 25, and magnetic mass 24 drops by force of gravity onto mechanical stop 25.
  • Rotation of drum 5 causes a cyclic change in the orientation of electric generator 22, so that coil 23 moves cyclically between the Figure 2 and 3 upright positions, and magnetic mass 24 moves cyclically inside coil 23 between the two limit positions by force of gravity.
  • At least one condenser 27 (or any other kind of device for accumulating electric energy) is connected to the ends of coil 23 to accumulate the electric energy generate by coil 23 and to stabilize the voltage value.
  • humidity sensor 19 comprises a measuring unit 28; and a pair of electrodes 29 connected electrically to measuring unit 28.
  • the resistance/conductivity of the laundry inside drum 5 is measured between the two electrodes 29 and used to determine laundry humidity in known manner.
  • the two electrodes 29 are defined by respective electrically insulated portions of drum 5 (in which case, drum 5 must be made of any conductive material, and cannot be lined with soft materials), or are defined by conductive (normally circular or arc-shaped) bodies fixed to the inside of drum 5 (in which case, drum 5 may be made of plastic or lined with soft materials).
  • an electric device (humidity sensor 19) is fitted to drum 5 and receives electric energy from electric generator 22.
  • other kinds of electric devices may be fitted to drum 5; for example, a light source (for example one or more LED devices) for illuminating the drum 5 may be fitted to drum 5.
  • drum 5 comprises a number of lifts (axial ribs for lifting the laundry during the rotation of drum 5) and the light source is integrated in at least one of the lifts.
  • electric generator 22 may be applied to any kind of laundry machine having a revolving drum and an electric device fitted to the revolving drum.
  • Laundry drying machine 1 as described above has numerous advantages, by being cheap and easy to produce, by effectively and efficiently determining laundry humidity by direct measurement of the electrical conductivity of the laundry, and by imposing no restrictions on the drum, which may be made of any material, including plastic, and may be lined with soft materials (such as thin silicone layers). Furthermore, laundry drying machine 1 as described above has no brushes (no brush wear, no brush creep-generated noise produced, no contact oxidation problems). No external voltage is applied to drum 5 and thus this solution is the safest for the users. Finally, wireless laundry humidity sensor 19 as described above is self-powered electrically, and therefore has no electric battery (no battery change required).

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Centrifugal Separators (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
EP07109253A 2007-05-30 2007-05-30 Machine à laver le linge Not-in-force EP1997951B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
AT07109253T ATE501300T1 (de) 2007-05-30 2007-05-30 Waschmaschine
PL07109253T PL1997951T3 (pl) 2007-05-30 2007-05-30 Pralka
ES07109253T ES2362938T3 (es) 2007-05-30 2007-05-30 Máquina secadora de colada.
EP07109253A EP1997951B1 (fr) 2007-05-30 2007-05-30 Machine à laver le linge
DE602007013017T DE602007013017D1 (de) 2007-05-30 2007-05-30 Waschmaschine
RU2008121730/12A RU2453643C2 (ru) 2007-05-30 2008-05-29 Машина для сушки белья

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07109253A EP1997951B1 (fr) 2007-05-30 2007-05-30 Machine à laver le linge

Publications (2)

Publication Number Publication Date
EP1997951A1 true EP1997951A1 (fr) 2008-12-03
EP1997951B1 EP1997951B1 (fr) 2011-03-09

Family

ID=38578577

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07109253A Not-in-force EP1997951B1 (fr) 2007-05-30 2007-05-30 Machine à laver le linge

Country Status (6)

Country Link
EP (1) EP1997951B1 (fr)
AT (1) ATE501300T1 (fr)
DE (1) DE602007013017D1 (fr)
ES (1) ES2362938T3 (fr)
PL (1) PL1997951T3 (fr)
RU (1) RU2453643C2 (fr)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013209209A1 (de) 2013-05-17 2014-11-20 BSH Bosch und Siemens Hausgeräte GmbH Haushaltsgerät mit Energierückgewinnung und Verfahren zum Rückgewinnen von Energie in einem Haushaltsgerät
US20160319476A1 (en) * 2013-12-18 2016-11-03 Indesit Company S.P.A. Washing or washing/drying machine comprising an electric current generator
US9518354B2 (en) 2014-06-18 2016-12-13 Haier Us Appliance Solutions, Inc. Clothes dryer with improved moisture sensing and wireless data transfer
DE102016213232A1 (de) 2016-07-20 2018-01-25 BSH Hausgeräte GmbH Haushaltsgerät mit verbesserter Steuerung und Verfahren zum Betrieb eines solchen Haushaltsgeräts
DE102016216265A1 (de) 2016-08-30 2018-03-01 BSH Hausgeräte GmbH Haushaltsgerät mit einer autarken Energieversorgung und Verfahren zum Betrieb eines solchen Haushaltsgeräts
WO2019129671A1 (fr) * 2017-12-26 2019-07-04 Arcelik Anonim Sirketi Source d'énergie pour tambour rotatif
DE102018219361A1 (de) 2018-11-13 2020-05-14 BSH Hausgeräte GmbH Wäschetrockner mit Beschleunigungssensor und Verfahren zu seinem Betrieb
DE102018219349A1 (de) 2018-11-13 2020-05-14 BSH Hausgeräte GmbH Wäschetrockner mit verbesserter Steuerung und Verfahren zu seinem Betrieb
WO2020120218A1 (fr) * 2018-12-14 2020-06-18 Arcelik Anonim Sirketi Appareil électrique de traitement de textile
KR20200089080A (ko) * 2019-01-16 2020-07-24 엘지전자 주식회사 세탁물 처리기기
WO2020235937A1 (fr) 2019-05-22 2020-11-26 Samsung Electronics Co., Ltd. Dispositif de capteur et dispositif électronique obtenant des informations du dispositif de capteur
WO2020233447A1 (fr) * 2019-05-23 2020-11-26 青岛海尔洗衣机有限公司 Dispositif de traitement de vêtements
WO2020233448A1 (fr) * 2019-05-23 2020-11-26 青岛海尔洗衣机有限公司 Appareil de traitement de linge
CN112055766A (zh) * 2018-05-21 2020-12-08 伊莱克斯家用电器股份公司 衣物干燥机
JP2022544087A (ja) * 2019-08-02 2022-10-17 チンタオ ハイアール ウォッシング マシン カンパニー，リミテッド 衣類処理設備およびドラム洗濯機

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012217975A1 (de) 2012-10-02 2014-04-03 BSH Bosch und Siemens Hausgeräte GmbH Haushaltsgerät mit einer batterielosen Sensoreinheit und entsprechendes Verfahren
US10087571B2 (en) 2015-08-07 2018-10-02 Haier Us Appliance Solutions, Inc. Dryer appliances and methods for operating dryer appliances utilizing wireless moisture data transfer systems
KR20220032963A (ko) * 2020-09-08 2022-03-15 삼성전자주식회사 건조기

Citations (7)

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Publication number Priority date Publication date Assignee Title
US3710138A (en) * 1971-03-15 1973-01-09 Maytag Co Dryer control
FR2685575A1 (fr) * 1991-12-23 1993-06-25 Sextant Avionique Generateur electrique d'alimentation d'un composant entraine en rotation.
EP0549467A1 (fr) * 1991-12-23 1993-06-30 Crouzet Appliance Controls Système de commande d'arrêt d'un appareil sèche-linge
EP1148169A2 (fr) * 2000-04-18 2001-10-24 Electrolux Zanussi S.p.A. Sèche-linge ou machine similaire avec contrôle de l'humidité par mesure de la conductivité
EP1321563A2 (fr) * 2001-12-21 2003-06-25 BSH Bosch und Siemens Hausgeräte GmbH Dispositif de traitement du linge
WO2004022836A2 (fr) * 2002-09-04 2004-03-18 E.G.O. Control Systems Gmbh & Co. Kg Seche-linge dote d'un dispositif de detection
EP1895043A1 (fr) * 2006-09-04 2008-03-05 Electrolux Home Products Corporation N.V. Dispositif de commande pour lave-linge et/ou sèche-linge

Family Cites Families (1)

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Publication number Priority date Publication date Assignee Title
DE19652830A1 (de) * 1996-12-18 1998-06-25 Bosch Siemens Hausgeraete Trommelwaschmaschine mit einer mehrteiligen Flüssigkeitsleitung

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3710138A (en) * 1971-03-15 1973-01-09 Maytag Co Dryer control
FR2685575A1 (fr) * 1991-12-23 1993-06-25 Sextant Avionique Generateur electrique d'alimentation d'un composant entraine en rotation.
EP0549467A1 (fr) * 1991-12-23 1993-06-30 Crouzet Appliance Controls Système de commande d'arrêt d'un appareil sèche-linge
EP1148169A2 (fr) * 2000-04-18 2001-10-24 Electrolux Zanussi S.p.A. Sèche-linge ou machine similaire avec contrôle de l'humidité par mesure de la conductivité
EP1321563A2 (fr) * 2001-12-21 2003-06-25 BSH Bosch und Siemens Hausgeräte GmbH Dispositif de traitement du linge
WO2004022836A2 (fr) * 2002-09-04 2004-03-18 E.G.O. Control Systems Gmbh & Co. Kg Seche-linge dote d'un dispositif de detection
EP1895043A1 (fr) * 2006-09-04 2008-03-05 Electrolux Home Products Corporation N.V. Dispositif de commande pour lave-linge et/ou sèche-linge

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013209209A1 (de) 2013-05-17 2014-11-20 BSH Bosch und Siemens Hausgeräte GmbH Haushaltsgerät mit Energierückgewinnung und Verfahren zum Rückgewinnen von Energie in einem Haushaltsgerät
WO2014184056A1 (fr) 2013-05-17 2014-11-20 BSH Bosch und Siemens Hausgeräte GmbH Appareil électroménager à récupération d'énergie et procédé de récupération d'énergie dans un appareil électroménager
US20160319476A1 (en) * 2013-12-18 2016-11-03 Indesit Company S.P.A. Washing or washing/drying machine comprising an electric current generator
US10597811B2 (en) * 2013-12-18 2020-03-24 Indesit Company S.P.A. Washing or washing/drying machine comprising an electric current generator
US9518354B2 (en) 2014-06-18 2016-12-13 Haier Us Appliance Solutions, Inc. Clothes dryer with improved moisture sensing and wireless data transfer
DE102016213232A1 (de) 2016-07-20 2018-01-25 BSH Hausgeräte GmbH Haushaltsgerät mit verbesserter Steuerung und Verfahren zum Betrieb eines solchen Haushaltsgeräts
WO2018015214A1 (fr) 2016-07-20 2018-01-25 BSH Hausgeräte GmbH Équipement ménager présentant une commande améliorée et procédé permettant de faire fonctionner un tel équipement ménager
DE102016216265A1 (de) 2016-08-30 2018-03-01 BSH Hausgeräte GmbH Haushaltsgerät mit einer autarken Energieversorgung und Verfahren zum Betrieb eines solchen Haushaltsgeräts
WO2019129671A1 (fr) * 2017-12-26 2019-07-04 Arcelik Anonim Sirketi Source d'énergie pour tambour rotatif
CN112055766A (zh) * 2018-05-21 2020-12-08 伊莱克斯家用电器股份公司 衣物干燥机
DE102018219361A1 (de) 2018-11-13 2020-05-14 BSH Hausgeräte GmbH Wäschetrockner mit Beschleunigungssensor und Verfahren zu seinem Betrieb
EP3653773A1 (fr) 2018-11-13 2020-05-20 BSH Hausgeräte GmbH Sèche-linge à commande améliorée et son procédé de fonctionnement
EP3653782A1 (fr) 2018-11-13 2020-05-20 BSH Hausgeräte GmbH Sèche-linge pourvu de capteur d'accélération et son procédé de fonctionnement
DE102018219349A1 (de) 2018-11-13 2020-05-14 BSH Hausgeräte GmbH Wäschetrockner mit verbesserter Steuerung und Verfahren zu seinem Betrieb
WO2020120218A1 (fr) * 2018-12-14 2020-06-18 Arcelik Anonim Sirketi Appareil électrique de traitement de textile
KR20200089080A (ko) * 2019-01-16 2020-07-24 엘지전자 주식회사 세탁물 처리기기
EP3913127A4 (fr) * 2019-01-16 2022-10-12 LG Electronics Inc. Appareil de traitement du linge
EP3949105A4 (fr) * 2019-05-22 2022-06-22 Samsung Electronics Co., Ltd. Dispositif de capteur et dispositif électronique obtenant des informations du dispositif de capteur
WO2020235937A1 (fr) 2019-05-22 2020-11-26 Samsung Electronics Co., Ltd. Dispositif de capteur et dispositif électronique obtenant des informations du dispositif de capteur
US11632604B2 (en) 2019-05-22 2023-04-18 Samsung Electronics Co., Ltd. Sensor device and electronic device obtaining information from the sensor device
WO2020233448A1 (fr) * 2019-05-23 2020-11-26 青岛海尔洗衣机有限公司 Appareil de traitement de linge
WO2020233447A1 (fr) * 2019-05-23 2020-11-26 青岛海尔洗衣机有限公司 Dispositif de traitement de vêtements
JP2022533458A (ja) * 2019-05-23 2022-07-22 チンタオ ハイアール ウォッシング マシン カンパニー，リミテッド 衣類処理装置
JP2022534081A (ja) * 2019-05-23 2022-07-27 チンタオ ハイアール ウォッシング マシン カンパニー，リミテッド 衣類処理装置
JP2022544087A (ja) * 2019-08-02 2022-10-17 チンタオ ハイアール ウォッシング マシン カンパニー，リミテッド 衣類処理設備およびドラム洗濯機

Also Published As

Publication number Publication date
DE602007013017D1 (de) 2011-04-21
ES2362938T3 (es) 2011-07-15
RU2008121730A (ru) 2009-12-10
RU2453643C2 (ru) 2012-06-20
ATE501300T1 (de) 2011-03-15
EP1997951B1 (fr) 2011-03-09
PL1997951T3 (pl) 2011-11-30

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