EP3248699B1 - Dispositif de nettoyage de pompes de reservoirs avec une lance de pompe pour des milieu fluide - Google Patents

Dispositif de nettoyage de pompes de reservoirs avec une lance de pompe pour des milieu fluide Download PDF

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Publication number
EP3248699B1
EP3248699B1 EP17168687.6A EP17168687A EP3248699B1 EP 3248699 B1 EP3248699 B1 EP 3248699B1 EP 17168687 A EP17168687 A EP 17168687A EP 3248699 B1 EP3248699 B1 EP 3248699B1
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EP
European Patent Office
Prior art keywords
cleaning
pump
cleaning agent
tank
set forth
Prior art date
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Active
Application number
EP17168687.6A
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German (de)
English (en)
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EP3248699A1 (fr
Inventor
Heinz Lutz
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.)
Lutz Pumpen GmbH
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Lutz Pumpen GmbH
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Publication of EP3248699A1 publication Critical patent/EP3248699A1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
    • B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B05B15/55—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids
    • B05B15/555—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids discharged by cleaning nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B08B3/022—Cleaning travelling work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/023—Cleaning the external surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/001—Cleaning of filling devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
    • B08B2203/007—Heating the liquid

Definitions

  • the present invention relates to a device for cleaning container pumps with a pump lance for flowable media, according to the preamble of claim 1.
  • Conveyor units are used in numerous areas of trade and industry. In principle, liquids of different viscosities can be conveyed that are to be transferred from one container to another.
  • delivery units can be equipped with pump lances and thus protrude into a barrel, for example, the delivery unit taking the liquid contained in the barrel through the pump lance and conveying it on.
  • Conveying units are often used in industry for different media, so that it is necessary to return the conveying units to an internal and external cleaning in order to completely remove a first conveyed medium before a conveying unit is used to convey a second medium. This is the only way to ensure that contamination of the conveyed media is effectively avoided.
  • the present invention is based on the object of providing a device for cleaning container pumps with a pump lance for flowable media, which can be used very simply and effectively in order to keep the associated expenditure as low as possible on the part of the users.
  • a device for cleaning conveying units for flowable media can initially form a fluidic cleaning circuit in which a cleaning agent is pumped in a circle between a cleaning agent tank and the conveying unit to be cleaned.
  • the cleaning agent is also a flowable medium which, due to the passage through the conveying unit, reaches wherever the flowable media conveyed during operation of the conveying unit also reaches.
  • the cleaning agent can be simple water, but effective substances such as soaps or other chemical, disinfectant or solvent-containing substances can also be added to the water.
  • Other hydrocarbon-based cleaning agents such as alcohols, benzenes and the like can also be used or form the basis for a cleaning agent.
  • the cleaning agent tank is filled with the cleaning agent and then the circulation in the cleaning circuit thus formed is started.
  • the circulation takes place here with the aid of the conveyor unit to be cleaned itself, which conveys the cleaning agent originating from the cleaning agent tank through itself and returns it to the cleaning agent tank.
  • This provides the user with an opportunity to clean the conveyor unit by simply hooking it into the cleaning circuit described and operating it.
  • the cleaning agent can be exchanged for a rinsing agent which also largely rinses away the substances in the cleaning agent.
  • the pump can also be left to stand overnight in the rinsing step in order to remove even intensive dirt.
  • a dosing pump has, for example, an inlet and an outlet, which can be connected directly to the detergent tank, so that the dosing pump, as a delivery unit, conveys directly from the detergent tank into the detergent tank.
  • the inlet is then connected to an outlet of the detergent tank via an inlet line and the outlet is connected to an inlet of the detergent tank via an outlet line.
  • the delivery unit is a container pump with a pump lance.
  • the pump lance is inserted directly into the detergent tank, which is designed as a dip tank. Then the tank pump will pump cleaning agent out of the immersion tank and feed it directly via an inlet.
  • the immersion container provided for cleaning the container pump is formed separately from the detergent tank.
  • the cleaning circuit then provides an immersion container with an upper insertion opening for inserting the pump lance of the container pump.
  • the container pump then sucks the detergent out of the immersion container and conveys it back into the detergent tank, from where it can flow back into the immersion container via an inlet line.
  • the immersion container can have a taper in its upper region, that is to say around the insertion opening, so that the pumping action becomes stronger in the upper region and the flow caused by the pump flows faster there. This also improves the cleaning effect.
  • the immersion container can furthermore have an insertion funnel on its upper insertion opening, which extends upwards and by means of which the positioning of the pump lance of a container pump to be connected to the immersion container is simplified.
  • an insertion funnel can possibly catch medium dripping from the conveying unit and let it run into the immersion container, so that no contamination arises around the device.
  • a drip guard can also be attached to this insertion funnel, which, for example, has a channel-shaped design and can be releasably connected to the upper edge of the insertion funnel by clamping, plugging, screwing and the like. While the insertion funnel provides a more local drip protection, the drip protection plate can cover the entire way out of a container up to the immersion container and catch any falling drops and introduce them into the insertion funnel.
  • the drip protection plate can also be placed on the insertion funnel and the container in which the container pump was previously operated, but in order to ensure that the dripping liquid runs into the insertion funnel, the drip protection plate must be at least horizontal, preferably at an angle between 0 ° and 10 °, be inclined down to the upper edge of the insertion funnel and particularly preferably project from this upper edge in a self-supporting manner.
  • a fixing device can therefore be provided in the area of the insertion opening of the immersion container be with which the pump lance and thus the container pump connected to the pump lance are fixed relative to the immersion tank.
  • Such a fixing device can be formed from a plurality of clamping screws distributed over the circumference of the outer wall of the immersion container, which can be screwed through the outer wall with the aid of a thread cut into or placed in front of the outer wall towards the center of the insertion opening. You then hit the pump lance and fix it from several sides until the pump lance is immobile.
  • the clamping screws can be provided with terminal handwheels so that they can be fixed with the bare hand, i.e. without tools.
  • An essential aspect of the invention is a cleaning of container pumps with a pump lance from the inside, in that the cleaning agent is pumped through the container pumps with a pump lance. According to the invention, this also cleans an outer area of the pump lance, namely the area of the pump lance that projects into the medium to be pumped.
  • a plurality of feed lines are assigned to the outer wall of the immersion tank in the area of the insertion opening, via which cleaning agents are injected into the immersion tank from the immersion tank or from the cleaning agent tank.
  • a sleeve chamber is formed around the insertion opening, on the inner wall of which one or more, preferably uniformly over the inner circumference of the inner wall of the sleeve chamber, have inlet openings in the direction of the pump lance.
  • auxiliary pump may also be useful to assign an auxiliary pump to the inlet line, which is connected to the cuff chamber, since otherwise the container pump cannot pump a cleaning agent into the circuit when it is first introduced. If necessary, the auxiliary pump can support the delivery unit to be cleaned or only work alternately with it.
  • the inlet line or, alternatively or additionally, the outlet line has a floor outlet, which is preferably formed at a geodetically lowest point and allows the cleaning circuit to be emptied due to gravity.
  • a drain valve prevents the accidental loss of cleaning agent and can therefore switch back and forth between an open and a closed position.
  • a filter arrangement can also be assigned to the floor drain, with the aid of which substances of the cleaning agent can be separated and / or neutralized. This prevents pollutants contained in the cleaning agent from escaping and being an environmental toxin.
  • a heating element can also be assigned to the cleaning circuit.
  • a heating element which can be configured as a continuous-flow heater or the like, the temperature of the cleaning agent can be increased in order to also use thermal reaction forces for an improved cleaning effect.
  • the cleaning agent is continuously pumped in a circle, so that there is almost no change in the amount of cleaning agent during a cleaning process.
  • the detergent tank or, if applicable, the immersion container can have a filling opening at which a filling line to a detergent source such as a water pipe or a detergent container.
  • Additives that have an effect on cleaning can preferably be added to the cleaning agent, for example with the aid of a metering pump assigned to the filling line, preferably a proportional metering.
  • the entire cleaning cycle works in a very simple arrangement, initially with a single conveyor unit. However, it is also possible to connect a plurality of conveying units in series in terms of flow, so that the cleaning agent flows through the individual conveying units one after the other. In this case, however, only one of the conveying units should be actively operated, while the other conveying units are at most driven by the flowing cleaning agent. If several conveying units were operated at the same time, a pressure could build up between several conveying units with different delivery rates, which could damage the conveying units.
  • the cleaning circuit with its elements is arranged as a mobile construction on a transport vehicle, such as a hand truck.
  • a transport vehicle such as a hand truck.
  • Figure 1 shows a handcart 26 which is mounted on wheels and is therefore designed to be mobile.
  • This handcart 26 is set up in the immediate vicinity of a barrel 25, from which a delivery unit 1 with a pump lance 7 has just been removed and inserted into an immersion container 8.
  • the conveying unit 1 was previously used in the barrel 25 as a container pump in order to convey the contents of the barrel 25 and to carry out its determination. Now that the delivery unit 1 is no longer required in the barrel 25, the delivery unit 1 with its pump lance 7 is pulled out of the barrel 25 and introduced into the immersion container 8 for cleaning.
  • the immersion container 8 has an insertion funnel 10.
  • a drip protection plate 24 is releasably attached to the edge of the insertion funnel by jamming or screwing, so that the pump lance 7 leaves no impurities when it is pulled out of the barrel 25 and brought into the immersion container 8.
  • the pump lance 7 is always above the barrel 25, the trough-shaped drip protection plate 24 or the insertion funnel 10 until it passes through an insertion opening 9 in the Center of the insertion funnel 10 was introduced into the interior of the immersion container 8.
  • a detergent tank 4 which sprays detergent onto the pump lance via an auxiliary pump 16 through a sleeve ring 14 of the immersion container 8, as will be explained later Figure 2 described.
  • the detergent tank 4 is also connected to the immersion tank 8 via an inlet / outlet line 5, 6 close to the floor and to an outlet of the delivery unit 1 via an outlet line 6.
  • the cleaning agent held in the cleaning agent tank 4 is then introduced during operation of the arrangement described from the cleaning agent tank 4 via the feed lines 5 into the immersion tank 8 and there clean the pump lance 7 from the outside.
  • the conveyor unit 1 is operated for this purpose, so that detergent contained in the immersion container 8, for example water with a cleaning additive, is sucked in at the free end of the pump lance 7 and pumped through the pump lance 7 and the conveyor unit 1 back into the detergent tank. Due to the flow through the conveyor unit 1 and the flushing of the immersed parts, the conveyor unit 1 is cleaned from the inside and from the outside.
  • detergent contained in the immersion container 8 for example water with a cleaning additive
  • an additional tank 22 is also arranged on the trolley 26, in which the cleaning additive is kept.
  • a proportional metering 21 which is also connected to a cleaning agent source 23, for example a water pipe or another tank.
  • the proportional dosing ensures that an exact mixture of the desired cleaning agent is available and that the ratio between cleaning agent and cleaning additive remains the same even in the case of a pure refill.
  • a floor drain 17 is provided, which is arranged in an inlet / outlet pipe near the floor between the cleaning agent tank 4 and the immersion container 8.
  • the drain valve 18 By opening the drain valve 18, both the detergent tank 4 and the immersion container 8 can be completely emptied due to the force of gravity, which, depending on the application, the medium last conveyed and the detergent and cleaning additives used, can take place in a collecting container or in the sewage system.
  • FIG 2 shows as a detail the Figure 1 the area of the insertion opening 9 of the immersion container 8. This is assigned a cuff ring 14 which surrounds the insertion opening 9.
  • cleaning agent is conveyed from the cleaning agent tank 4 during the introduction of the pump lance 7 of the delivery unit to be cleaned into the immersion container 8, which first fills a cavity in the sleeve ring 14 and then via inlet openings 15 on the inside of the sleeve ring 14 onto the pump lance 7 sprays.
  • an external cleaning of the pump lance 7 into the immersion container 8 already takes place before an internal cleaning is also added by starting up the delivery unit 1.
  • the pump lance is clamped with the aid of clamping screws 13, which are arranged on a fixing device 12 and distributed over the circumference of the neck of the immersion container, so that when the conveyor unit 1 is operating, it does not swing up to strong movements, but is held securely.
  • Figure 3 finally shows a schematic arrangement of the elements of the cleaning circuit for the case of simultaneous cleaning of three conveying units 1, 2 and 3 to be cleaned. These are connected in series in terms of flow technology, so that firstly, the conveying unit 1, then the conveying unit 2 and finally the conveying unit 3 passes through before it is conveyed back to the detergent tank 4 via an outlet line 6. Only the first is an active conveyor unit 1, while the other two are passive conveyor units 2 and 3, which are driven by the active conveyor unit 1.
  • a cleaning agent source 23 and an additional tank 22 are supplied with a cleaning additive, these components are mixed with the cleaning agent used and the cleaning agent tank 4 is thus filled for the first time.
  • the drain valve 18 is opened and the dirty cleaning agent is cleaned via a filter arrangement 19 and removed from the system via a floor drain.
  • a device for cleaning conveying units for flowable media is thus described above, with which simple and effective cleaning is ensured by circulating cleaning agent through one or more conveying units.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Cleaning In General (AREA)

Claims (12)

  1. Dispositif de nettoyage de pompes de réservoir au moyen d'une lance de pompe (7) destinée à des milieux fluides, laquelle forme un circuit de nettoyage fluidique dans lequel un réservoir d'agent de nettoyage (4) et au moins une pompe de réservoir à nettoyer sont successivement traversés par un agent de nettoyage contenu dans le circuit de nettoyage et mis en circulation par l'action de transport d'au moins une des pompes de réservoir à nettoyer,
    caractérisé en ce qu'un réservoir à immersion (8) est associé à une ouverture d'introduction supérieure (9) destinée l'introduction de la lance de pompe (7) reliée à une pompe de réservoir à nettoyer, et une sortie de la pompe de réservoir à nettoyer est reliée par une conduite de sortie (6) à une entrée du réservoir d'agent de nettoyage (4), une pluralité d'ouvertures d'entrée (15) qui sont réparties sur la périphérie de la paroi extérieure entourant l'ouverture d'introduction et qui forment l'entrée du réservoir à immersion ou qui lui appartiennent sont associées au réservoir à immersion (8) dans la région de l'ouverture d'introduction (9) de celui-ci, et les ouvertures d'entrée (15) sont ménagées dans une paroi intérieure d'une bague d'étanchéité (14) au moins en partie périphérique à laquelle l'agent de nettoyage peut être amené depuis le réservoir d'agent de nettoyage (4) par le biais d'une conduite d'alimentation (5) et injecté sous pression dans le réservoir à immersion (8) par le biais des ouvertures d'entrée (15).
  2. Dispositif selon la revendication 1, caractérisé en ce que le réservoir à immersion (8) se rétrécit vers le haut dans au moins une portion.
  3. Dispositif selon l'une des revendications précédentes, caractérisé en ce qu'un entonnoir d'entrée (10) s'élargissant vers le haut est associé au réservoir à immersion (8) au niveau de l'ouverture d'entrée supérieure (9) de celui-ci.
  4. Dispositif selon la revendication 3, caractérisé en ce qu'une plaque anti-goutte (24), de préférence en forme de rainure, est associée à l'entonnoir d'entrée (10), laquelle plaque est reliée de manière amovible à un bord supérieur de l'entonnoir d'entrée (10), de préférence par le biais d'une liaison par enfichage ou serrage, et fait saillie en porte-à-faux de l'entonnoir d'entrée (10),.
  5. Dispositif selon l'une des revendications précédentes, caractérisé en ce qu'un dispositif de fixation (12) destiné à fixer la lance de pompe (7) de la pompe de réservoir à nettoyer est associé au réservoir à immersion (8) dans la région de l'ouverture d'entrée (9) de celui-ci.
  6. Dispositif selon la revendication 5, caractérisé en ce que le dispositif de fixation (12) est formé d'une pluralité de vis de serrage (13) munies de préférence de volants et réparties sur la périphérie de la paroi extérieure entourant l'ouverture d'introduction (9).
  7. Dispositif selon la revendication 5, caractérisé en ce qu'une pompe auxiliaire (16), qui amène un agent de nettoyage du réservoir d'agent de nettoyage (4) ou du réservoir à immersion (8), est associée à la conduite d'alimentation (5) menant à la bague d'étanchéité (14).
  8. Dispositif selon l'une des revendications précédentes, caractérisé en ce qu'un siphon de sol (17), permettant de purger le circuit de nettoyage par gravité par le biais d'une soupape de sortie (18), est associé à la conduite d'alimentation (5) et/ou la conduite de sortie (6).
  9. Dispositif selon la revendication 8, caractérisé en ce qu'un ensemble filtrant (19) destiné à séparer et/ou neutraliser des polluants de l'agent de nettoyage est associé au siphon de sol (17).
  10. Dispositif selon l'une des revendications précédentes, caractérisé en ce qu'un dispositif de chauffage à flux continu destiné à réguler la température de l'agent de nettoyage est associé au circuit de nettoyage.
  11. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le réservoir d'agent de nettoyage (4) comporte un orifice de remplissage qui peut être raccordé à une source d'agent de nettoyage (23) afin d'effectuer un premier remplissage au moyen d'une conduite de remplissage (20), des additifs efficaces en termes de nettoyage pouvant être ajoutés de manière dosée à l'agent de nettoyage dans le cadre du premier remplissage de préférence par exemple à l'aide d'une pompe doseuse, de préférence d'un doseur proportionnel (21), associée à la conduite de remplissage (20) .
  12. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le circuit de nettoyage comportent une pluralité de pompes de récipient qui sont montées fluidiquement les unes derrière les autres et dont une seule pompe de récipient active est utilisée comme pompe de circulation et exploitée de manière active.
EP17168687.6A 2016-05-24 2017-04-28 Dispositif de nettoyage de pompes de reservoirs avec une lance de pompe pour des milieu fluide Active EP3248699B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016109504.4A DE102016109504A1 (de) 2016-05-24 2016-05-24 Vorrichtung zur Reinigung von Förderaggregaten für fliessfähige Medien

Publications (2)

Publication Number Publication Date
EP3248699A1 EP3248699A1 (fr) 2017-11-29
EP3248699B1 true EP3248699B1 (fr) 2020-03-18

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US (1) US20170341114A1 (fr)
EP (1) EP3248699B1 (fr)
CN (1) CN107413779A (fr)
DE (1) DE102016109504A1 (fr)

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DE102019119009A1 (de) 2019-07-12 2021-01-14 Lutz Pumpen Gmbh Reinigungsvorrichtung für Fass- und Behälterpumpen
CN114981392B (zh) * 2020-05-12 2024-05-17 株式会社Ihi 气化气体制造装置
CN112058818A (zh) * 2020-07-10 2020-12-11 河南应用技术职业学院 一种移液枪头清洗装置
CN113522676B (zh) * 2021-06-03 2022-12-06 广东德茂建设工程有限公司 一种浇筑式的木质柱状景观雕塑上蜡装置

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Publication number Publication date
CN107413779A (zh) 2017-12-01
EP3248699A1 (fr) 2017-11-29
US20170341114A1 (en) 2017-11-30
DE102016109504A1 (de) 2017-11-30

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