WO2013171090A1 - Dispositif de stockage intermédiaire d'un liquide de service - Google Patents

Dispositif de stockage intermédiaire d'un liquide de service Download PDF

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Publication number
WO2013171090A1
WO2013171090A1 PCT/EP2013/059444 EP2013059444W WO2013171090A1 WO 2013171090 A1 WO2013171090 A1 WO 2013171090A1 EP 2013059444 W EP2013059444 W EP 2013059444W WO 2013171090 A1 WO2013171090 A1 WO 2013171090A1
Authority
WO
WIPO (PCT)
Prior art keywords
cleaning
storage space
liquid
storage
outlet opening
Prior art date
Application number
PCT/EP2013/059444
Other languages
German (de)
English (en)
Inventor
Antonio BARRADO FRANCO
Andreas Bischof
Andreas Hanau
Hartmut Schaub
Original Assignee
BSH Bosch und Siemens Hausgeräte 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 Hausgeräte GmbH filed Critical BSH Bosch und Siemens Hausgeräte GmbH
Priority to EP13720422.8A priority Critical patent/EP2850240B1/fr
Publication of WO2013171090A1 publication Critical patent/WO2013171090A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4291—Recovery arrangements, e.g. for the recovery of energy or water
    • 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
    • D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
    • D06F35/001—Washing machines, apparatus, or methods not otherwise provided for using ozone
    • D06F39/20—
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
    • A47L15/0057—Cleaning of machines parts, e.g. removal of deposits like lime scale or proteins from piping or tub
    • 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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/006—Recovery arrangements, e.g. for the recovery of energy or water

Definitions

  • the invention is in the field of energy-saving and resource-saving, a working fluid (especially water) leading devices, such as in particular washing machines, washer-dryers or dishwashers.
  • washing liquid is to be understood as meaning a liquid process medium, for example the washing liquor in a washing machine and / or the corresponding rinsing water in subsequent rinsing cycles. Included with this term are also used in other liquid-conducting household appliances media, such as the cleaning and rinsing water of a dishwasher.
  • the invention relates to a device for temporary storage of operating fluid in a household appliance with a liquid storage with a tubular storage space into which the operating fluid enters through an inlet opening for temporary storage and from which the operating fluid, if necessary, exits from an outlet opening, and with a cleaning device.
  • DE 36 28 595 A1 discloses a mounting of a water reservoir on the side of the tub of a washing machine for storing the used, heated liquor. New incoming fresh water is directed along the inner wall of the tub so that the fresh water heats up. Subsequently, the used liquor cooled thereby is removed.
  • DE 10 2005 055 648 A1 describes a washing machine with a water storage in which the heating process for the hot water in the water storage is controlled in a cost-optimized manner by providing information about the current energy costs.
  • DE 10 2009 028 357 A1 discloses a water reservoir into which, if required, washing liquor of a washing machine can be diverted via a filter in order to replace part of the required fresh water in a further program run.
  • DE 10 2008 041 955 A1 describes a device for preheating the operating water for a water-conducting domestic appliance in order to extract thermal energy from the surroundings of a heat accumulator and to supply it to the process water.
  • the process water must be exposed to the increased ambient temperature over a comparatively long period of time and thus stored temporarily before it is fed into the domestic appliance.
  • the water storage is relatively large and has parallel to each other oriented partitions, which form a meandering flow channel for the process water.
  • a device for temporary storage of operating fluid in a household appliance of the type mentioned is known.
  • This device is used in particular for continuously removing insoluble contaminants from the operating fluid of a domestic appliance and, for this purpose, comprises an eddy-current separator.
  • the known device consists of a straight, cylindrical tube with a tangentially opening in the upper region inlet opening for the operating fluid to be cleaned, a mounted in the lower end of the pipe outlet to the expiry of the deposited dirt particles and also centrally located at the upper end of the pipe outlet, through which the depleted of debris operating fluid the Wirbelstromabscheider leaves.
  • an object of the present invention is to provide a device for temporary storage of operating fluid in a household appliance, which ensures a comprehensive cleaning not only of the operating fluid, but in particular the deposit critical, come into contact with the operating fluid surfaces of the fluid reservoir, in addition to have the largest possible capacity for individually adaptable and optimized space.
  • the cleaning device comprises a cleaning agent that moves during the cleaning process between the inlet opening and the outlet opening of the tubular storage space.
  • An essential advantage of the invention is therefore that in the channel or tubular storage geometry extremely effective measures for water treatment or for internal cleaning of the memory can be used without complex precautions must be taken to ensure that actually reaches all areas of the memory to be cleaned become. In particular, it is not necessary to provide for additional mixing in the memory.
  • tubular in the context of the invention is to be interpreted as describing a storage space in which a flow direction is defined, along which the cleaning agent can flow from the inlet opening to the outlet opening, which storage space is elongated along the flow direction and in each case transversely
  • the shape of each such cross-section is not fixed, in particular, such a cross-section need not necessarily be circular, elliptical or otherwise circular in that the cleaning agent is relative to the inner walls of the reservoir Comprehensive and intensive cleaning is ensured, and particularly preferably, the liquid reservoir can subsequently be at least partially emptied in order to remove the removed contaminants an amount of liquid pumped and disposed of, for example, in the sewer.
  • a preferred embodiment of the invention with regard to optimum utilization of available space and the provision of a particularly high storage volume provides that the tubular storage space has at least one turn between the inlet opening and the outlet opening.
  • a turn generally a bend, but also kink, a curvature, an arc, a loop and the like to understand.
  • the liquid storage of a flexible hose such as a hose made of rubber, bendable plastic or the like
  • the storage space of the liquid reservoir may particularly preferably be spirally wound and in this case have an increasing or increasing gradient in the vertical direction.
  • the inlet opening or the outlet opening is located in the spiral center and substantially perpendicular to the spiral surface.
  • liquid storage also a Having a meandering memory space, whereby a box-shaped outer contour of the memory is made possible at maximum exploited storage volume.
  • a particularly preferred embodiment of the invention provides that the cleaning agent is a cleaning gas which flows through the storage space between the inlet opening and the outlet opening.
  • the gas flow through the liquid reservoir can preferably be promoted by level differences or a gradient / increase of the liquid storage pipes or the storage space, without the need for additional conveyors for relative movement of the cleaning gas with respect to the walls of the storage space to be cleaned.
  • the cleaning gas is preferably introduced in the lowest level of the storage space.
  • a particularly effective cleaning is possible when the cleaning gas is ozone.
  • the cleaning agent comprise at least one mechanical cleaning body.
  • Such, also referred to as so-called pigs, components can achieve the memory inner surface particularly well according to the invention, since this is preferably designed with a constant cross-section pipe inside, and thus provide a particularly effective cleaning.
  • cleaning elements for example, brushes or balls come into question, which move during the cleaning process through the tubular storage space, for example, be pulled or pushed by a direct or indirect mechanical drive.
  • the non-branched, tubular / elongated design of the storage volume allows in an advantageous development of the invention also that the cleaning agent is formed by air surges and / or fluid pressure waves, which propagate along the tube longitudinal axis.
  • This cleaning method also referred to as "air-water rinsing" provides that at low pressure defined air and / or operating fluid surges (water pressure surges) are given into the memory, which propagate with high cleaning effect or between the inlet opening and the outlet opening hike.
  • FIG. 1 shows schematically a household appliance with a device
  • Fig. 2 shows a first possible embodiment of a liquid storage
  • Fig. 3 shows a further embodiment possibility of a liquid storage.
  • FIG. 1 shows as an exemplary implementation of the present invention, a water-conducting household appliance in the form of a washing machine 1, in the housing 2 in a conventional manner, a tub 3 with a horizontally disposed therein, rotatably mounted and not shown in detail washing drum 4 for receiving the arranged to be washed (to be washed or rinsed) laundry.
  • a device 7 according to the invention for temporarily storing operating liquid 8 - namely the wash liquor or the rinse water - with a tubular liquid storage 10.
  • the liquid storage 10 is as a substantially cylindrical tube 12 having a first end 14 and a second end 15 designed. The tube has in this embodiment, about halfway along only a single bend or turn 16.
  • the tube geometry in particular the length and cross-sectional area, as well as the course and the number of bends or sweeping of the tube 12 is adjusted according to the respectively required storage volume and the available space.
  • the inner tube volume thus dimensioned forms a storage space 17.
  • the storage space thus has a corresponding meander shape, depending on the number of turns 16.
  • an inlet opening 20 is provided into which an only suggestively shown, acted upon by a drain pump 21 and coming from the tub 3 drain line 22 opens.
  • an outlet opening 24 is provided, from which, if necessary, the temporarily stored operating fluid 8 by means of another pump 26 back into the tub 3 pumpable back.
  • a single pump for conveying the operating fluid into and out of the storage space 17 may also be provided.
  • a cleaning device 28 is schematically indicated, which is a mechanical Cleaning element 30 in the form of a brush 31 has.
  • the brush 31 as not shown in detail, for example, by means of a pulling or pushing device by a drive 32 along the main pipe axis 33 between the inlet opening 20 and outlet opening 24 and vice versa are moved. It removes residues 34, which are deposited, for example, in the form of so-called biofilms or layers on the inside 35 of the storage space.
  • a source 50 in particular a reservoir 50 or a generator 50, for a gaseous cleaning medium, namely a cleaning gas 52 may be provided.
  • Ozone 53 in the source 50 is particularly preferably generated as cleaning gas 52. If necessary, ozone 53 can be introduced in the region of the inlet opening 14 via a valve control 55. This preferably takes place at the lowest level 56 (highest static pressure) of the liquid reservoir 10 or storage space 17, so that the cleaning gas 52 ascends without further measures even up to the end 15 or the outlet opening 24, thereby cleaning and / or disinfecting effect.
  • FIG. 2 schematically shows a plan view of an embodiment of a liquid reservoir 58 with a storage space 59 in spiral form 60.
  • An arrow 61 indicates the entry of the operating fluid (eg water) to be stored into an inlet opening 62, from which the operating fluid flows through the spiral shape 60 to to an exit opening 64, which extends in this embodiment from the plane perpendicular to the top.
  • the spiral shape can rise too easily in the direction of the outlet opening 64. Accordingly, the cleaning gas 66 moves from the region of the inlet opening 62 to the outlet opening 64.
  • the liquid reservoir 58 is preferably formed by a flexible hose 67.
  • a flexible hose or tube is, inter alia, that even at a relatively late production time, a change in shape or shape adaptation to the available installation space or to the installation conditions can still take place.
  • the liquid storage can also be designed as a one-piece or multi-part injection molded component.
  • FIG. 3 shows a modification of a likewise tubular liquid reservoir with a hose 70 which is wound in several turns. For example, it may be wrapped around another component or assembly present in the household appliance.
  • operating fluid (washing liquid) 75 enters an inlet opening 76 and exits again from an outlet opening 77, which is vertically aligned here.
  • operating fluid (washing liquid) 75 enters an inlet opening 76 and exits again from an outlet opening 77, which is vertically aligned here.
  • mechanical cleaning elements balls 80, 81 which are connected to each other, for example via a flexible strand, a belt or a spindle and can be moved by an only indicated drive 84 along the inner extension of the tube 70 to any deposits or impurities 85 im Inside the liquid reservoir or on the inner walls of the storage space 86 to solve or remove.
  • a pressure generating device 87 may be provided, which may be e.g. On the input side, ie in the vicinity of the inlet opening 76 (as symbolized by a wave symbol) pressure waves or pressure / shock waves 88 generated in the operating fluid, which propagate through the entire liquid storage or its storage space 86 and so as to break off deposits 85 on the inner walls or tearing down ,

Abstract

L'invention concerne un dispositif (7) destiné au stockage intermédiaire d'un liquide de service dans un appareil ménager (1), comprenant : un réservoir de liquide (10) pourvu d'une chambre de stockage (17) tubulaire, dans laquelle le liquide de service (8) entre par une ouverture d'entrée (20) afin d'être stocké temporairement et ressort si nécessaire par une ouverture de sortie (24); et un dispositif de nettoyage (28). L'invention vise à garantir un nettoyage complet non seulement du liquide de service, mais en particulier également des surfaces du réservoir de liquide susceptibles de s'entartrer, lesquelles sont en contact avec le liquide de service. Le dispositif de nettoyage (28) comprend au moins un produit de nettoyage (30) qui, lors de la procédure de nettoyage, se déplace entre l'ouverture d'entrée (20) et l'ouverture de sortie (24) de la chambre de stockage (17) tubulaire.
PCT/EP2013/059444 2012-05-14 2013-05-07 Dispositif de stockage intermédiaire d'un liquide de service WO2013171090A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13720422.8A EP2850240B1 (fr) 2012-05-14 2013-05-07 Dispositif de stockage intermédiaire d'un liquide de service

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012207980.7 2012-05-14
DE102012207980A DE102012207980A1 (de) 2012-05-14 2012-05-14 Vorrichtung zum Zwischenspeichern von Betriebsflüssigkeit

Publications (1)

Publication Number Publication Date
WO2013171090A1 true WO2013171090A1 (fr) 2013-11-21

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PCT/EP2013/059444 WO2013171090A1 (fr) 2012-05-14 2013-05-07 Dispositif de stockage intermédiaire d'un liquide de service

Country Status (4)

Country Link
EP (1) EP2850240B1 (fr)
DE (1) DE102012207980A1 (fr)
PL (1) PL2850240T3 (fr)
WO (1) WO2013171090A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2716199A1 (fr) * 2012-10-02 2014-04-09 Miele & Cie. KG Lave-vaisselle, notamment lave-vaisselle ménager
JP2017108780A (ja) * 2015-12-14 2017-06-22 青島海爾洗衣机有限公司ＱｉｎｇＤａｏ Ｈａｉｅｒ Ｗａｓｈｉｎｇ Ｍａｃｈｉｎｅ Ｃｏ．，Ｌｔｄ． 洗濯機の水貯蔵用タンク及び洗濯機

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013224520B4 (de) * 2013-11-29 2020-06-25 BSH Hausgeräte GmbH Wasserführendes Haushaltsgerät mit einem Speicherbehälter zur Speicherung von Grauwasser
DE102014214349A1 (de) * 2014-07-23 2016-01-28 BSH Hausgeräte GmbH Haushaltsgerät mit einem Flüssigkeitsspeicher
DE102014214351A1 (de) * 2014-07-23 2016-01-28 BSH Hausgeräte GmbH Haushaltsgerät mit einem Umpumpsystem

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FR2530326A1 (fr) * 1982-07-16 1984-01-20 Bonnet Ets Bloc recuperateur de calories et lave-vaisselle muni d'un tel bloc
US4630672A (en) * 1982-06-22 1986-12-23 Kaufmann Richard O On line scrubbing system for plate and frame heat exchangers
DE3628595A1 (de) 1986-08-22 1987-05-14 Sigismund Laskowski Waermerueckgewinnung und wassermengenminderung fuer ein waschprogramm bei einer waschmaschine
JPH0791885A (ja) * 1993-09-20 1995-04-07 Hitachi Ltd 熱交換器用伝熱管の洗浄・点検ロボットおよびブラシ・プローブユニット
JPH1015290A (ja) * 1996-06-27 1998-01-20 Shinkosha:Kk 水洗洗濯機、洗濯用オゾン水の製造方法および洗濯方法
JPH10311699A (ja) * 1997-05-12 1998-11-24 Kubota Corp 通水系の通水部および付設配管の殺菌洗浄装置
US5926892A (en) * 1996-09-10 1999-07-27 Kyokuto Rubber Co., Ltd. Heat exchanger washing apparatus and heat exchanger washing method
JP2002051842A (ja) * 2000-08-09 2002-02-19 Mitsubishi Electric Building Techno Service Co Ltd 水冷式凝縮器の清掃具
DE19709085C2 (de) 1996-05-15 2002-05-08 Miele & Cie Verfahren zum Waschen von Wäsche unter Verwendung eines Filtrationsverfahrens
US20020157815A1 (en) * 2001-04-27 2002-10-31 Sutter Douglas E. Heat exchange tubing
DE10322241A1 (de) 2003-05-17 2004-12-09 Manfred Weichs Verfahren und Vorrichtung zur Entfernung von unlöslichen Verschmutzungen aus dem Reinigungsmedium einer Wasch-oder Reinigungsmaschine
DE10360906A1 (de) * 2003-12-23 2005-07-28 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine zur Verwendung von Ozon
DE102005055648A1 (de) 2005-11-22 2007-11-15 BSH Bosch und Siemens Hausgeräte GmbH Waschmaschine
EP1925709A1 (fr) * 2006-11-23 2008-05-28 Electrolux Home Products Corporation N.V. Appareil ménager electrique
EP2064982A1 (fr) * 2009-02-09 2009-06-03 V-Zug AG Lave-vaisselle doté d'une pompe à chaleur
DE102008041955A1 (de) 2008-09-10 2010-03-11 BSH Bosch und Siemens Hausgeräte GmbH Vorrichtung zur Erwärmung von Betriebswasser für ein wasserführendes Haushaltgerät zur Pflege von Wäschestücken und Haushaltgerät mit einer solchen Vorrichtung
DE102009028357A1 (de) 2009-08-07 2011-02-10 BSH Bosch und Siemens Hausgeräte GmbH Wasserführendes Hausgerät mit einem Abpumpstrang
DE102009028274A1 (de) * 2009-08-06 2011-02-10 BSH Bosch und Siemens Hausgeräte GmbH Wasserführendes Haushaltsgerät
DE102009054345A1 (de) * 2009-09-30 2011-03-31 Etimex Technical Components Gmbh Wärmeübertrager einer Maschine mit zwei oder mehr Behältern
EP2390398A1 (fr) * 2011-07-12 2011-11-30 V-Zug AG Appareil ménager avec dispositif de traitement de l'eau pour le traitement de l'eau de processus à stocker

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4630672A (en) * 1982-06-22 1986-12-23 Kaufmann Richard O On line scrubbing system for plate and frame heat exchangers
FR2530326A1 (fr) * 1982-07-16 1984-01-20 Bonnet Ets Bloc recuperateur de calories et lave-vaisselle muni d'un tel bloc
DE3628595A1 (de) 1986-08-22 1987-05-14 Sigismund Laskowski Waermerueckgewinnung und wassermengenminderung fuer ein waschprogramm bei einer waschmaschine
JPH0791885A (ja) * 1993-09-20 1995-04-07 Hitachi Ltd 熱交換器用伝熱管の洗浄・点検ロボットおよびブラシ・プローブユニット
DE19709085C2 (de) 1996-05-15 2002-05-08 Miele & Cie Verfahren zum Waschen von Wäsche unter Verwendung eines Filtrationsverfahrens
JPH1015290A (ja) * 1996-06-27 1998-01-20 Shinkosha:Kk 水洗洗濯機、洗濯用オゾン水の製造方法および洗濯方法
US5926892A (en) * 1996-09-10 1999-07-27 Kyokuto Rubber Co., Ltd. Heat exchanger washing apparatus and heat exchanger washing method
JPH10311699A (ja) * 1997-05-12 1998-11-24 Kubota Corp 通水系の通水部および付設配管の殺菌洗浄装置
JP2002051842A (ja) * 2000-08-09 2002-02-19 Mitsubishi Electric Building Techno Service Co Ltd 水冷式凝縮器の清掃具
US20020157815A1 (en) * 2001-04-27 2002-10-31 Sutter Douglas E. Heat exchange tubing
DE10322241A1 (de) 2003-05-17 2004-12-09 Manfred Weichs Verfahren und Vorrichtung zur Entfernung von unlöslichen Verschmutzungen aus dem Reinigungsmedium einer Wasch-oder Reinigungsmaschine
DE10360906A1 (de) * 2003-12-23 2005-07-28 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine zur Verwendung von Ozon
DE102005055648A1 (de) 2005-11-22 2007-11-15 BSH Bosch und Siemens Hausgeräte GmbH Waschmaschine
EP1925709A1 (fr) * 2006-11-23 2008-05-28 Electrolux Home Products Corporation N.V. Appareil ménager electrique
DE102008041955A1 (de) 2008-09-10 2010-03-11 BSH Bosch und Siemens Hausgeräte GmbH Vorrichtung zur Erwärmung von Betriebswasser für ein wasserführendes Haushaltgerät zur Pflege von Wäschestücken und Haushaltgerät mit einer solchen Vorrichtung
EP2064982A1 (fr) * 2009-02-09 2009-06-03 V-Zug AG Lave-vaisselle doté d'une pompe à chaleur
DE102009028274A1 (de) * 2009-08-06 2011-02-10 BSH Bosch und Siemens Hausgeräte GmbH Wasserführendes Haushaltsgerät
DE102009028357A1 (de) 2009-08-07 2011-02-10 BSH Bosch und Siemens Hausgeräte GmbH Wasserführendes Hausgerät mit einem Abpumpstrang
DE102009054345A1 (de) * 2009-09-30 2011-03-31 Etimex Technical Components Gmbh Wärmeübertrager einer Maschine mit zwei oder mehr Behältern
EP2390398A1 (fr) * 2011-07-12 2011-11-30 V-Zug AG Appareil ménager avec dispositif de traitement de l'eau pour le traitement de l'eau de processus à stocker

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2716199A1 (fr) * 2012-10-02 2014-04-09 Miele & Cie. KG Lave-vaisselle, notamment lave-vaisselle ménager
JP2017108780A (ja) * 2015-12-14 2017-06-22 青島海爾洗衣机有限公司ＱｉｎｇＤａｏ Ｈａｉｅｒ Ｗａｓｈｉｎｇ Ｍａｃｈｉｎｅ Ｃｏ．，Ｌｔｄ． 洗濯機の水貯蔵用タンク及び洗濯機
CN108368665A (zh) * 2015-12-14 2018-08-03 青岛海尔洗衣机有限公司 洗衣机的贮水箱以及洗衣机

Also Published As

Publication number Publication date
DE102012207980A1 (de) 2013-11-14
EP2850240A1 (fr) 2015-03-25
PL2850240T3 (pl) 2016-11-30
EP2850240B1 (fr) 2016-04-27

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