EP3173004A1 - Lave-vaisselle, notamment lave-vaisselle ménager - Google Patents

Lave-vaisselle, notamment lave-vaisselle ménager Download PDF

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Publication number
EP3173004A1
EP3173004A1 EP16199514.7A EP16199514A EP3173004A1 EP 3173004 A1 EP3173004 A1 EP 3173004A1 EP 16199514 A EP16199514 A EP 16199514A EP 3173004 A1 EP3173004 A1 EP 3173004A1
Authority
EP
European Patent Office
Prior art keywords
metering
opening
dishwasher
spray
washing
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
EP16199514.7A
Other languages
German (de)
English (en)
Other versions
EP3173004B1 (fr
Inventor
Dirk Wegener
Fabian Hils
Günter Kröger
Georg Spiessl
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.)
Miele und Cie KG
Original Assignee
Miele und Cie KG
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 Miele und Cie KG filed Critical Miele und Cie KG
Publication of EP3173004A1 publication Critical patent/EP3173004A1/fr
Application granted granted Critical
Publication of EP3173004B1 publication Critical patent/EP3173004B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A47L15/14—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber
    • A47L15/18—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber with movably-mounted spraying devices
    • A47L15/22—Rotary spraying devices
    • 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
    • A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
    • A47L15/4463—Multi-dose dispensing arrangements
    • 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
    • A47L15/0049—Detection or prevention of malfunction, including accident prevention
    • 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
    • A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
    • A47L2401/30—Variation of electrical, magnetical or optical quantities
    • 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
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/26—Indication or alarm to the controlling device or to the user
    • 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
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/32—Stopping or disabling machine operation, including disconnecting the machine from a network, e.g. from an electrical power supply

Definitions

  • the invention relates to a dishwasher, in particular in the embodiment as a domestic dishwasher, with a washing compartment providing a rinsing container, which serves to receive items to be cleaned, wherein the rinse container for loading with items has a feed opening, which is fluid-tightly closed by means of a pivotally mounted Spülraumt, with a arranged in the rinsing sprayer for applying to be cleaned items with rinse liquor and with a provided by the dishwasher door dosing unit for storing pourable detergent for a plurality of cleaning cycles, wherein the dosing unit for a portion-wise introduction of detergent into the washing compartment to one in the washing compartment opening metering port is connected.
  • Dishwashers of the type mentioned are well known in the particular embodiment as household dishwashers from the prior art in itself. A separate documentary proof is therefore not required at this point.
  • Dishwashers of the generic type have a washing compartment providing a washing compartment. This is the user side accessible via a feed opening, which is fluid-tightly closed by means of a pivotally mounted washroom door.
  • the washing container serves to receive items to be cleaned, which may be dishes, cutlery pieces and / or the like, for example.
  • the dishwasher has a spraying device inside the rinsing container.
  • This spraying device typically provides rotatably mounted spray arms, wherein usually two or three such spray arms are provided. In the intended use case, a loading of the items to be cleaned with rinse liquor by means of rotating spray arms.
  • process chemicals are generally used, which are supplied to the washing compartment during a rinsing and / or drying process.
  • process chemicals are, in particular, cleaning chemicals which are supplied programmatically to the washing compartment.
  • a pourable cleaning agent in powder form When using a pourable cleaning agent in powder form, the user must carry out detergent dosing before starting a cleaning program by hand.
  • Previously known from the prior art dishwashers have for this purpose typically inside the door on a reservoir, which is to be filled with a manually determined amount of detergent before a program start. During a program run, this reservoir opens at a certain time of the wash program and the stockpiled detergent from the reservoir can be flushed out by the rinsing liquor located in the washing compartment of the dishwasher.
  • the previously known dosing unit has a dosing device.
  • This dosing device is equipped with a replaceable reservoir, which serves to store detergent in an amount that is sufficient for a plurality of individual cleaning programs.
  • the storage container is programmatically removed for intended execution of a cleaning program provided amount of detergent and the washing compartment of the dishwasher fed.
  • the dosing unit is connected to a metering opening opening into the flushing chamber, via which a portion-wise introduction of cleaning agent into the flushing space takes place in the metering case.
  • the invention proposes a dishwasher of the type mentioned above, which is characterized in that the spraying device has a spray nozzle specifically interacting with the metering orifice.
  • the embodiment of the invention provides a remedy.
  • the spray device provided according to the invention has a spray nozzle which cooperates with the metering opening. This leads, in the normal operation, to the fact that rinsing fluid is dispensed selectively from the spraying device in the direction of the metering opening, with the result that the metering opening and the discharge channel opening into the metering opening are cleaned. As a result of this cleaning effect, an unwanted attachment of detergent is avoided or residual detergent residues possibly remaining from a previous rinse program step are removed. As a result, the metering opening and the discharge opening into the metering opening is free of detergent residues, especially encrustations and / or adhesions held.
  • the metering opening is partially covered by a cover according to a further feature of the invention flushing space side, leaving a metering gap.
  • This cover ensures in an advantageous manner that in the case of loading the dishwasher with items not accidentally liquids, dirt, food particles and / or the like can fall into the mouth of the metering, for example, by dripping or falling off to be cleaned dishes, equipped with the dishwasher on the user side becomes.
  • the covering the metering cover is formed according to a further feature of the invention in the manner of a hood or scoop, which is formed in the closed position of the Spülraumt down open and thus provides a metering.
  • a hood or scoop which is formed in the closed position of the Spülraumt down open and thus provides a metering.
  • the formation of such a hood provides the advantage that the metering is closed on all sides except for the metering, so that accidental introduction of dirt, liquids, food particles and / or the like in the metering is largely prevented.
  • the dosing gap left by the hood is aligned so that it points downwards in the closed position of the flushing door.
  • the metering unit has a metering device with a cleaning agent outlet and a discharge channel, wherein the discharge channel fluidly connects the detergent outlet with the metering opening.
  • the metering unit has a metering device.
  • this metering device receives a reservoir, which serves for the storage of pourable cleaning agent for a plurality of cleaning cycles.
  • the reservoir is a corresponding portioned amount of detergent removed, which the Leaves dosing device via a detergent outlet.
  • a discharge channel is provided, which opens into the metering opening. This channel is installed inside the door, which results in a spatial decoupling of dosing on the one hand and dosing on the other. An unwanted fluid entry in the stockpiled by the reservoir of the dosing detergent is effectively prevented.
  • the discharge channel has according to a further feature of the invention on the Dosierö Stamms press a sensor.
  • This sensor serves for the detection of cleaning agent, which leaves the discharge channel via the metering opening in the dosing case in a proper manner. It can thus be detected in an advantageous manner, if in the case of a detergent dispensing by the metering device also actually detergent enters the washing or not. Furthermore, it can be inferred by the detection of the actually dispensed detergent portions on the filling level of the reservoir. In that regard, the sensing also serves to be able to indicate to the user at an early stage that the reservoir is to be replenished with detergent or replaced with a fully filled reservoir.
  • the sensor can according to a further feature of the invention be an IR light barrier.
  • This is preferably arranged close to the metering opening, where "close” in the sense of the invention means that the spray jet emitted in the operating case by the spray nozzle cooperating with the metering opening also ensures cleaning of the sensor. It is thus ensured in a synergetic manner that not only the metering opening and the discharge opening into the metering orifice discharge channel, but also the sensor provided for the detection of the detergent release are subject to repeated cleaning, which advantageously increases the reliability of operation.
  • the spraying device comprises a rotatable spray arm, whose one branch has the spray nozzle.
  • a spray arm is known to have a plurality of spray nozzles, which serve the Spülflottenabgabe in case of operation.
  • the spray nozzles are oriented in such a way that a loading of the items to be cleaned with rinse liquor takes place.
  • One of these Nozzles provided anyway are now used to effect a cleaning, in particular of the metering opening, in the manner described above during operation.
  • the spray nozzle is preferably aligned with the metering orifice such that the spray jet emitted by the spray nozzle during operation strikes, in particular directly, the metering gap uncovered by the hood at a specific rotational position of the spray arm.
  • the discharge channel is provided by a tube which is flexible.
  • This flexible design of the tube ensures that the discharge channel can be fluidly decoupled from the dosing device, that is to say from the detergent outlet provided by the dosing device, which helps to prevent unwanted introduction of liquid into the detergent stored by the supply container of the dosing device.
  • the tube providing the discharge channel can, for example, be twistable or pivotable due to its flexibility, which makes it possible to bring the tube into fluid communication with the detergent outlet or to carry out a separation of this fluidic connection.
  • the tube providing the discharge channel can also be designed as a crimp tube, which is held in a squashed position in the non-dosing case for a fluid-tight closure.
  • Transmitter and receiver units are preferably designed as diodes and arranged in the outlet of the metering so that on the one hand a detergent case can be clearly detected and that on the other hand can be done by means of the output in the operating case towards the metering spray optimized cleaning of the measuring surfaces.
  • the Dosierauslass can be made translucent for this purpose, which also has the advantage that no additional optical lenses must be installed.
  • the dosing outlet can also be equipped with a reflection light barrier.
  • transmitter and receiver are parallel next to each other in a housing, which can be dispensed with an opposite arrangement.
  • Advantageously, however, can be installed to improve the signal detection opposite a reflector.
  • the dosing unit 18 has a housing 20, which accommodates a dosing device 21. Via a feed opening provided by the housing 20, the metering device 21 is accessible to the user. In the intended use case is - as in Fig. 2 shown - the feed opening of the housing 20 by means of a housing cover 22 sealed fluid-tight.
  • dispensing agent is dispensed in portions from the dosing device 21 of the dosing unit, which then flows into the washing compartment 4 of the dishwasher 1.
  • a metering opening 23 is provided on the inside 7 of the Spülraumt 6. This metering opening 23 is covered on the treatment room side with a cover in the form of a hood 24.
  • the tube 27 is formed pivotable in the plane shown in the embodiment shown.
  • the show Figures 3 and 4 the closure position in which the tube 27 is not connected to the dosing device 21 in order to avoid an unwanted entry of moisture into the dosing device 21.
  • the tube 27 With respect to the plane of the drawing after the Figures 3 and 4 to turn right.
  • This pivotability of the tube 27 is made possible in that the tube 27 is formed as a flexible tube and, for example, consists of silicone or a comparable material.
  • a pivotable about the pivot axis 36 mounted lever 35 which carries a connection extension 38 for connection to the tube 27.
  • the lever 35 is operatively connected to a drive means 37, which in the actuation case pivoting of the lever 35 with respect to the plane of the drawing according to the Figures 3 and 4 brought to the right.
  • a Zuschverschwenken the lever 35 in the in the Figures 3 and 4 shown starting position is preferably carried out under spring force.
  • a cover 39 cooperating with the tube 27 on the output side is provided intended.
  • This lid closes the dosier réelle helpfule opening of the tube 27 in the in the Figures 3 and 4
  • the cover 39 also pivots. This is accomplished by a gear 40, which is in operative connection with the drive device 37.
  • the one branch 13 of the lower spray arm 10 of the sprayer 8 is equipped with a spray nozzle 25 which is aligned with the metering orifice 23 such that the output from the spray nozzle 25 in operation spray 26 at a corresponding rotational position of the spray arm 10 in one of the hood 24 uncovered spray gap 30 meets.
  • a spray nozzle 25 which is aligned with the metering orifice 23 such that the output from the spray nozzle 25 in operation spray 26 at a corresponding rotational position of the spray arm 10 in one of the hood 24 uncovered spray gap 30 meets.
  • wash liquor which causes a corresponding cleaning.
  • Any cleaning agent residues are removed and flushed out into the washing compartment 4.
  • the dishwasher 1 in the outlet region of the discharge channel 19 via an IR light barrier 28, which provides a region of the metering opening 23 passing through the light beam 39.
  • this IR light barrier 28 it can be detected in an advantageous manner whether the detergent portion dispensed by the metering device 21 has actually also entered the washing chamber 4. It can be monitored whether, in the case of the release of detergent, an arrival of detergent in the washroom has actually taken place. If such a detection detects that despite dispensed detergent no cleaning agent has flowed into the washroom, this can be displayed to the user of the dishwasher 1 and / or the started wash program is interrupted. The detection of the introduced into the washing compartment 4 detergent can also be used to draw conclusions about the amount of still stored in the dispenser 21 detergent. This, too, can be communicated to the user of the dishwasher 1, for example, via a consumption display.
  • the arrangement of the photocell 28 and the orientation of the spray nozzle 27 is matched to one another such that in operation rinse liquor also reaches up to the transmitting and receiving units of the IR light barrier 28, so that a cleaning of the measuring section takes place.
  • Fig. 6 shows a typical Beladefall the dishwasher 1, in which case the Spellerraume 6 pivoted to its open position and a lower dish rack 31 is moved from the washing compartment 4 on the inside 7 of the Spülraume 6. In this position of the crockery basket 31, a user-side access to the crockery basket 31 for the purpose of loading crockery is permitted in a simple manner.
  • the metering opening 23 is covered by the hood 24 in the manner already described.
  • the hood 24 encloses all but the metering gap 30, the metering opening 23 in full, so that the greatest possible penetration protection is given.
  • the metering opening 23 is disposed within a region 32 of the Spülraumt 6, with respect to the drawing plane to Fig. 6 compared to the rest of the inner side 7 is formed offset downwards, thus a depression in comparison to the remaining inner side 7 represents.
  • This depression serves to be able to safely catch and house any dripping liquids to be cleaned. It is thus ensured that any dripping liquids can not flow over the flushing door on the right or left.
  • the metering opening 23 is surrounded by a frame 34, which moves with respect to the drawing plane Fig. 2 lower subsection represents a barrier 33, as can be seen in particular from the illustration Fig. 6 results.
  • This barrier serves as an overflow protection, so that fluids picked up by the area 32 may not flow unhindered over the metering opening 23 can get into the discharge channel 19.
  • the frame 34 and the hood 24 are formed as a one-piece component.

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  • Washing And Drying Of Tableware (AREA)
EP16199514.7A 2015-11-25 2016-11-18 Lave-vaisselle, notamment lave-vaisselle ménager Active EP3173004B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015120412.6A DE102015120412A1 (de) 2015-11-25 2015-11-25 Geschirrspülmaschine, insbesondere Haushaltsgeschirrspülmaschine

Publications (2)

Publication Number Publication Date
EP3173004A1 true EP3173004A1 (fr) 2017-05-31
EP3173004B1 EP3173004B1 (fr) 2019-06-26

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DE (1) DE102015120412A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190254498A1 (en) * 2018-02-21 2019-08-22 Midea Group Co., Ltd. Dishwasher with detergent storage
WO2020043799A1 (fr) * 2018-08-29 2020-03-05 BSH Hausgeräte GmbH Lave-vaisselle, procédé pour faire fonctionner un lave-vaisselle et produit-programme informatique
EP3733041A1 (fr) * 2019-04-30 2020-11-04 Miele & Cie. KG Appareil de dosage
DE102019135421A1 (de) * 2019-12-20 2021-06-24 Miele & Cie. Kg Automatisches Dosiergerät mit magnetisch verstellbarer Auslasshutze für Spülmaschinen
WO2022005307A1 (fr) * 2020-06-30 2022-01-06 Fisher & Paykel Appliances Limited Lave-vaisselle

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016116417A1 (de) 2016-09-02 2018-03-08 Miele & Cie. Kg Geschirrspülautomat, insbesondere Haushaltsgeschirrspülmaschine
DE102018129322A1 (de) * 2018-11-21 2020-05-28 Miele & Cie. Kg Dosiergerät
EP3666157B1 (fr) * 2018-11-21 2024-01-24 Miele & Cie. KG Appareil de dosage
BE1029834B1 (de) 2021-10-12 2023-05-08 Miele & Cie Geschirrspülmaschine, insbesondere Haushaltsgeschirrspülmaschine

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8516941U1 (de) * 1985-06-11 1986-10-09 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Geschirrspülmaschine mit einer Auslauföffnung mit Spülmittel
EP1493375A1 (fr) * 2003-07-04 2005-01-05 Bonferraro S.p.A. Distributeur multidose de détergents pour machine à laver la vaisselle
US20050269348A1 (en) * 2004-06-08 2005-12-08 Ecolab Inc. Tablet dispenser with isolated delivery sensor
DE102005059343A1 (de) * 2005-12-09 2007-06-14 Miele & Cie. Kg Haushaltsgeschirrspülmaschine mit einer Dosiereinrichtung und Verfahren zum Dosieren von Wirkstoffen
EP2090213A2 (fr) * 2008-02-13 2009-08-19 Whirpool Corporation Système distributeur pour lave-vaisselle
WO2012083286A2 (fr) * 2010-12-17 2012-06-21 John David Hockaday Système d'alerte additif
EP2772180A2 (fr) * 2007-08-10 2014-09-03 Eltek S.p.A. Dispositif de distribution, en particulier pour appareils domestiques
DE102013104391A1 (de) 2013-04-30 2014-10-30 Miele & Cie. Kg Dosiergerät

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7464718B2 (en) * 2003-06-23 2008-12-16 General Electric Company Dishwasher liquid delivery systems
DE102010013772A1 (de) * 2010-03-31 2012-02-16 Henkel Ag & Co. Kgaa Dosiersystem mit Dosierkontrolle für eine Geschirrspülmaschine
US9717393B2 (en) * 2014-06-12 2017-08-01 Whirlpool Corporation Household appliance with bulk unit-dose dispenser

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8516941U1 (de) * 1985-06-11 1986-10-09 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Geschirrspülmaschine mit einer Auslauföffnung mit Spülmittel
EP1493375A1 (fr) * 2003-07-04 2005-01-05 Bonferraro S.p.A. Distributeur multidose de détergents pour machine à laver la vaisselle
US20050269348A1 (en) * 2004-06-08 2005-12-08 Ecolab Inc. Tablet dispenser with isolated delivery sensor
DE102005059343A1 (de) * 2005-12-09 2007-06-14 Miele & Cie. Kg Haushaltsgeschirrspülmaschine mit einer Dosiereinrichtung und Verfahren zum Dosieren von Wirkstoffen
EP2772180A2 (fr) * 2007-08-10 2014-09-03 Eltek S.p.A. Dispositif de distribution, en particulier pour appareils domestiques
EP2090213A2 (fr) * 2008-02-13 2009-08-19 Whirpool Corporation Système distributeur pour lave-vaisselle
WO2012083286A2 (fr) * 2010-12-17 2012-06-21 John David Hockaday Système d'alerte additif
DE102013104391A1 (de) 2013-04-30 2014-10-30 Miele & Cie. Kg Dosiergerät

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190254498A1 (en) * 2018-02-21 2019-08-22 Midea Group Co., Ltd. Dishwasher with detergent storage
US11089939B2 (en) * 2018-02-21 2021-08-17 Midea Group Co., Ltd. Dishwasher with detergent storage
WO2020043799A1 (fr) * 2018-08-29 2020-03-05 BSH Hausgeräte GmbH Lave-vaisselle, procédé pour faire fonctionner un lave-vaisselle et produit-programme informatique
CN112638225A (zh) * 2018-08-29 2021-04-09 Bsh家用电器有限公司 洗碗机、运行洗碗机的方法和计算机程序产品
US11653814B2 (en) 2018-08-29 2023-05-23 BSH Hausergäte GmbH Dishwasher, method for operating a dishwasher, and computer program product
EP3733041A1 (fr) * 2019-04-30 2020-11-04 Miele & Cie. KG Appareil de dosage
DE102019135421A1 (de) * 2019-12-20 2021-06-24 Miele & Cie. Kg Automatisches Dosiergerät mit magnetisch verstellbarer Auslasshutze für Spülmaschinen
DE102019135421B4 (de) 2019-12-20 2021-11-04 Miele & Cie. Kg Geschirrspülmaschine, insbesondere Haushaltsgeschirrspülmaschine
WO2022005307A1 (fr) * 2020-06-30 2022-01-06 Fisher & Paykel Appliances Limited Lave-vaisselle

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EP3173004B1 (fr) 2019-06-26
DE102015120412A1 (de) 2017-06-01

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