EP3392396A1 - Séchoir à tambour avec fonction de séchage de l'air dans la chambre - Google Patents

Séchoir à tambour avec fonction de séchage de l'air dans la chambre Download PDF

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Publication number
EP3392396A1
EP3392396A1 EP18160230.1A EP18160230A EP3392396A1 EP 3392396 A1 EP3392396 A1 EP 3392396A1 EP 18160230 A EP18160230 A EP 18160230A EP 3392396 A1 EP3392396 A1 EP 3392396A1
Authority
EP
European Patent Office
Prior art keywords
dryer
air
drying chamber
room
drying
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
EP18160230.1A
Other languages
German (de)
English (en)
Other versions
EP3392396B1 (fr
Inventor
Matthias Etterlin
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.)
V-Zug AG
Original Assignee
V-Zug AG
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 V-Zug AG filed Critical V-Zug AG
Priority to SI201830057T priority Critical patent/SI3392396T1/sl
Publication of EP3392396A1 publication Critical patent/EP3392396A1/fr
Application granted granted Critical
Publication of EP3392396B1 publication Critical patent/EP3392396B1/fr
Active 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
    • D06F34/08—Control circuits or arrangements thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
    • F26B11/04—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements for supplying or controlling air or other gases for drying solid materials or objects
    • F26B21/20—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
    • F26B21/202—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure with means for changing the flow pattern, e.g. by reversing gas flow or by moving the materials or objects through subsequent compartments, at least two of which have a different flow direction
    • F26B21/208—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure with means for changing the flow pattern, e.g. by reversing gas flow or by moving the materials or objects through subsequent compartments, at least two of which have a different flow direction by air valves, movable baffles or nozzle arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00—Heating arrangements
    • F26B23/10—Heating arrangements using tubes or passages containing heated fluids, e.g. acting as radiative elements; Closed-loop systems
    • 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
    • D06F2103/28—Air properties
    • D06F2103/32—Temperature
    • 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
    • D06F2103/28—Air properties
    • D06F2103/34—Humidity
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/32—Air flow control means
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/54—Changing between normal operation mode and special operation modes, e.g. service mode, component cleaning mode or stand-by mode
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/206—Heat pump arrangements
    • 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
    • D06F60/00—Drying not provided for in groups D06F53/00 - D06F59/00

Definitions

  • the invention relates to a dryer with a drying chamber for receiving objects to be dried, a controller, and a heat pump with evaporator, condenser, throttle and compressor. Furthermore, the dryer comprises a process air duct for supplying process air dried by the heat pump into the drying chamber and for discharging process air from the drying chamber in a drying chamber operation. Also, the dryer has an exhaust passage for discharging process air dried by the heat pump into a space in which the dryer is disposed, and an air supply passage for supplying process air from the space to the heat pump in a room air drying operation.
  • Drum tumble dryers place garments in a drum to remove moisture. Drum movements and the strong flow of process air can stress the garments. As an alternative, it is therefore also known to hang garments in a closed room on clotheslines and to dry the room air with a room air dryer or to keep dry. By means of a blower arranged in the room air dryer, the clothes hung in the room can also be blown directly with the dry air. Compared to drum tumble dryers, garments hanging in the room are dried more gently but more slowly.
  • drum tumble dryer which additionally have a room air drying function.
  • the dryer has at least one switching means controllable by the controller, wherein the controller is configured to switch the dryer by controlling the at least one switching means between the drying chamber operation and the room air drying operation.
  • process air duct exhaust air duct and supply air duct are to be understood as functional.
  • a single channel can simultaneously perform the function of the process air duct and the supply air duct.
  • Switching between the drying chamber operation and the room air drying operation by means of the control has the advantage that the handling of the device is more user-friendly.
  • the controller may switch the operating mode based on an indication from the user or a measurement value. Switching may also be possible in the absence of the user.
  • the drying chamber operation is a circulating air operation. This means that always the same process air is dried by means of the heat pump and blown through the drying chamber, and no process air is discharged into the room.
  • the throttle is switchable by means of the control at least between a first flow resistance and a second flow resistance.
  • the control is designed such that the throttle in the drying chamber operation at least a majority, in particular completely, the first flow resistance and in the room air drying operation at least a majority, in particular completely, having the second flow resistance.
  • the throttle may have at least two switchable capillaries or be an adjustable expansion valve. By an adjustable expansion valve is meant that the flow resistance is adjustable.
  • the throttle is a switching means.
  • the dryer can be adapted to the different conditions prevailing in the room air drying operation and in the drying chamber operating conditions of the process air.
  • a relatively small process air volume is present.
  • the process air which is heated by means of the condenser and possibly by means of a further heating element and blown into the drying chamber, due to the relatively short distance to the drum outlet, cools relatively low and therefore flows with relatively high temperature through the evaporator.
  • the process air dwells in the room air drying operation relatively long in space, so that the process air flowing through the evaporator has room temperature and therefore is not particularly warm.
  • the differing prevailing process air temperatures in the room air drying operation and in the drying chamber operation lead to a different temperature gradient at the evaporator or to changing heat flows and thus influence the operation of the heat pump.
  • the heat pump for efficient operation, it is intended to completely evaporate the refrigerant by the heat supplied to the evaporator and to heat slightly above the evaporating temperature. So that these conditions can be achieved despite the different process air properties in the two operating modes, different flow resistances are set at the throttle depending on the operating mode.
  • the dryer has at least one flow switch for guiding the process air, which is switchable by means of the control at least between a first switching position and a second switching position.
  • the flow switch is at least mostly in the first switching position and at least in the second switching position during the room air drying operation.
  • all arranged in the dryer flow switches can be switched by means of the controller.
  • the flow switch is a switching means.
  • the process air follows another flow path. If the drying chamber operation is, for example, a circulating air operation, then the process air does not leave the dryer, while in the room air drying operation, new air is always sucked out of the room and discharged to the room.
  • the controller When switching between the drying chamber operation and the room air drying operation, the controller reverses the flow so that the process air flows according to the operation mode. In this way, the user does not need to operate any flow flaps when switching the operating mode, but the controller can make the switch automatically.
  • the controller is configured in such a way that the dryer can be switched from room air drying operation by means of the control to drum drying operation as soon as a measured room humidity reaches a second room air humidity threshold, in particular wherein the second room air humidity threshold is in the range of 60% to 80% or in the range of 40%. to 70% relative humidity is.
  • the drying chamber operation is interrupted and switched to the room air drying operation when the room humidity is too high.
  • the humidity in the room is lowered, so that, for example, mold can be prevented in the room.
  • the room air drying operation can be performed, being switched after its completion in the drying chamber operation.
  • the degree of moisture of the objects to be dried can be determined, for example, by measuring the electrical conductivity of the objects to be dried or by measuring the humidity of the process air in the drying chamber or after exiting the drying chamber.
  • control is designed such that when the drying chamber operation is ended and when switching to the room air drying operation, a movement of the drying chamber, in particular a drum movement, is stopped or reduced.
  • a room humidity can be monitored, so that when exceeding a certain Jardin Kunststofffeuchtmaschinesschwellagonists the dryer temporarily switches to the room air drying mode, and later continues the drying chamber operation.
  • At least one flow switch is switched when switching from the drying chamber operation in the room air drying operation.
  • a flow switch is arranged such that a process air flow through the drying chamber can be prevented, and / or arranged in the flow direction immediately before or after an inlet into the drying chamber and / or directly at a dryer air inlet and / or directly at a Drocknerluftauslass.
  • Process air is supplied from the room to the dryer and process air is discharged from the dryer into the room via the dryer air outlet.
  • the flow switch is arranged "immediately" in front of the inlet, means that no further components are arranged between the flow switch and the inlet, except for the flow channel itself.
  • the dryer for cleaning the process air to a main filter, wherein the main filter is arranged and configured so that it flows through the process air both in the drying chamber operation and in the room air drying operation and both in the drying chamber operation and in the room air drying operation in the flow direction before the evaporator and is arranged in front of the capacitor.
  • this arrangement has the advantage that only a single main filter is required in order to be able to filter the process air in both operating modes.
  • the main filter is arranged in the flow direction in front of the evaporator and in front of the condenser in both operating modes. This prevents contamination of these two components. This means in the room air drying operation that the process air entering the dryer from the room is filtered before it flows through the evaporator and the condenser. In the drying chamber operation, the process air in the drying chamber, in particular by the inclusion of lint, dirty.
  • the main filter is arranged such that the process air is first filtered in the drying chamber operation after exiting the drying chamber before it flows through the evaporator and condenser.
  • control is configured such that the room air drying operation can be switched off or deactivated by means of the control, as soon as a process air temperature or process air humidity or a temperature of the refrigerant or a pressure of the refrigerant measured by means of a measuring device Threshold reached, in particular has fallen below.
  • the measuring device is arranged and configured such that the process air temperature in the flow direction upstream of the evaporator and / or in the evaporator can be measured.
  • the threshold value is set such that icing of the evaporator can be prevented or a predetermined maximum ice thickness on the evaporator falls below.
  • the evaporator can freeze relatively quickly.
  • the drying process is monitored, for example by measuring the temperature or the humidity of the process air or the temperature or the pressure of the refrigerant. Based on one or more of these measured values, the controller decides on the (continued) operation or the initiation of the evaporator defrost.
  • a dryer according to the invention is shown schematically. It has an outer housing 1 with a front side 2a and with a rear side 2b. Furthermore, the dryer comprises a drying chamber 3, process air channels 3a, means 3b for measuring the degree of moisture of the laundry to be dried, a heat pump with an evaporator 4, a condenser 5, a compressor 6 and a throttle 7.
  • the process air is conveyed by means of a fan 8, by means of flow switches 9, 10, 11 directed in the desired flow directions and filtered by the main filter 12.
  • the flow switches 9, 10, 11 are connected via the controller 13 and are designed as shut-off valves.
  • the dryer objects to be dried, in particular clothes, both in the drying chamber 3, which can be configured as a drum, as well as in the room in which the dryer is arranged, are dried.
  • the dryer has two different operating modes, a drying chamber operation and a room air drying operation. These are now based on the Fig. 1 described in detail.
  • the drying chamber operation is a recirculation mode.
  • the process air flows through the drying chamber 3 several times in one cycle and is not exchanged with the environment.
  • the process air emerging from the drying chamber 3 flows through the main filter 12 and is thereby freed in particular of lint.
  • the process air flows through the evaporator 4 and is thereby cooled and dehumidified.
  • the dried process air is reheated at the condenser 5 and returns to the drying chamber 3. Im Drying chamber operation, the flow switches 9 and 10 are closed and the flow switch 11 is open.
  • the flow switches 9 and 10 are open, while the flow switch 11 is closed. Air is drawn in from the room and passes through the dryer air inlet 14 and the supply air duct 15 into the dryer. The air flows through the main filter 12, the evaporator 4, the condenser 5 and flows back into the room via the exhaust air duct 16 and the dryer air outlet 17.
  • a tumble dryer of this type is characterized by various properties, which are described in more detail below.
  • the dryer air inlet 14 and the dryer air outlet 17 are arranged on the front side 2a. This makes the exchange of air with the room particularly easy. In particular, the exiting process air can be blown directly onto the clothes hung in the room.
  • the dryer air inlet 14 and the dryer air outlet 17 are spaced as far as possible from one another on the front side 2a, so that the dry air exiting through the dryer air outlet 17 does not immediately enter the dryer again through the dryer air inlet 14. A short circuit of the process air is thereby avoided.
  • the dryer air inlet 14 is arranged relatively close to the evaporator 4. As a result, the process air in the room air drying operation between the dryer air inlet 14 and the evaporator 4 heats up only very slightly due to the operating heat of the dryer, so that the process air does not have to be unnecessarily cooled by the evaporator 4.
  • the throttle 7 is designed as a switchable throttle. For this purpose, it has two parallel, different length capillaries 7a and 7b. The longer capillary 7a has a greater flow resistance than the shorter capillary 7b. About one Three-way valve 7 c, which is controlled by the controller 13, the throttle 7 can be switched.
  • the process air In the room air mode, the process air has room temperature, i. it flows through the evaporator 4 at low temperature. In the drying chamber operation, the process air flows out of the drying chamber 3 directly to the evaporator 4 and is still warm.
  • the throttle 7 By switching the throttle 7, the refrigerant circuit can be adapted to the evaporator 4 different prevailing process air temperatures and thus the different prevailing temperature gradients. Because in both cases, it is intended for efficient operation of the heat pump, that the refrigerant is completely evaporated at the evaporator 4 and slightly heated above the evaporation temperature.
  • the main filter 12 is arranged in the flow direction immediately before the evaporator 4 and in front of the condenser 5. As a result, the evaporator 4 and the condenser 5 are not or only slightly polluted by the process air.
  • the main filter 12 is arranged such that the process air first in the drying chamber operation as well as in the room air drying operation flows through the main filter 12 before the process air flows past the evaporator 4 and the condenser 5. In both modes of operation, the same main filter 12 can be used.
  • a measuring device 18 is arranged, which is connected to the controller 13. With the measuring device 18, on the one hand, the process air moisture can be measured. For example, if the dryer is in the drying chamber mode and the process air humidity drops below a certain threshold, then the drying chamber operation may be switched off or it may be switched to the room air drying mode.
  • process air temperature and / or the process air humidity can also be measured with the measuring device 18. If the process air temperature and / or the process air humidity falls below a certain threshold value, for example during the room air drying operation, the room air drying operation is switched off so that the evaporator does not freeze or the ice that has formed on the evaporator can be defrosted.
  • the dryer air inlet 14 is disposed on the back 2b of the dryer and the dryer air outlet 17 on the front side 2a.
  • the dryer air inlet 14 and the dryer air outlet 17 are spaced even further apart, so that as far as possible no process air exiting through the dryer air outlet 17 into the room passes through the dryer air inlet 14 again into the dryer.
  • the flow switches 9 and 10 are open and the flow switch 11 is closed.
  • the flow switches 9 and 10 are closed and the flow switch 11 is open.
  • the process air flow thus flows through the drying chamber 3 both in the drying chamber operation and in the room air drying operation.
  • the device adjustments necessary in comparison with a dryer without room air drying function are slight because the entire flow path between the inlet into the drying chamber 3 and the fan 8 is identical in both operating modes ,
  • the dryer air inlet 14 on the front side 2a and the dryer air outlet 17 on the back side 2b are arranged.
  • the dryer air inlet 14 and the dryer air outlet 17 are as far apart as possible.
  • the process air entering the dryer through the dryer air inlet 14 is immediately passed through the evaporator 4 and does not overheat before the evaporator 4 due to the operating heat of the dryer.
  • a dryer is shown in which the dryer air inlet 14, the dryer air outlet 17 and the flow diverter 9 and 10 are arranged relatively close to each other.
  • the closely spaced flow points 9 and 10 can preferably be actuated via a common mechanism.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Control Of Washing Machine And Dryer (AREA)
EP18160230.1A 2017-04-06 2018-03-06 Séchoir à tambour avec fonction de séchage de l'air dans la chambre Active EP3392396B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI201830057T SI3392396T1 (sl) 2017-04-06 2018-03-06 Bobenski sušilnik perila s funkcijo sušenja okoliškega zraka

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH00468/17A CH711885B1 (de) 2017-04-06 2017-04-06 Trockner, insbesondere Trommeltrockner mit Raumlufttrocknungsfunktion.

Publications (2)

Publication Number Publication Date
EP3392396A1 true EP3392396A1 (fr) 2018-10-24
EP3392396B1 EP3392396B1 (fr) 2020-02-26

Family

ID=59030680

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18160230.1A Active EP3392396B1 (fr) 2017-04-06 2018-03-06 Séchoir à tambour avec fonction de séchage de l'air dans la chambre

Country Status (3)

Country Link
EP (1) EP3392396B1 (fr)
CH (1) CH711885B1 (fr)
SI (1) SI3392396T1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113338013A (zh) * 2021-06-24 2021-09-03 海信（山东）冰箱有限公司 干衣机的控制方法、装置以及干衣机
EP4166709A4 (fr) * 2020-11-20 2023-12-27 Samsung Electronics Co., Ltd. Séchoir et son procédé de commande
EP4206393A4 (fr) * 2020-11-20 2024-03-06 Samsung Electronics Co., Ltd. Sèche-linge et son procédé de commande

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220356635A1 (en) * 2021-05-06 2022-11-10 Haier Us Appliance Solutions, Inc. Ambient air dehumidification system for a condenser or heat pump laundry appliance

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007319458A (ja) * 2006-06-01 2007-12-13 Matsushita Electric Ind Co Ltd 洗濯乾燥機
EP2684994A1 (fr) * 2012-07-11 2014-01-15 BSH Bosch und Siemens Hausgeräte GmbH Séchoir avec pompe à chaleur équipé d'une entrée supplémentaire pour la déshumidification d'une pièce

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007319458A (ja) * 2006-06-01 2007-12-13 Matsushita Electric Ind Co Ltd 洗濯乾燥機
EP2684994A1 (fr) * 2012-07-11 2014-01-15 BSH Bosch und Siemens Hausgeräte GmbH Séchoir avec pompe à chaleur équipé d'une entrée supplémentaire pour la déshumidification d'une pièce

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4166709A4 (fr) * 2020-11-20 2023-12-27 Samsung Electronics Co., Ltd. Séchoir et son procédé de commande
EP4206393A4 (fr) * 2020-11-20 2024-03-06 Samsung Electronics Co., Ltd. Sèche-linge et son procédé de commande
US12331454B2 (en) 2020-11-20 2025-06-17 Samsung Electronics Co., Ltd. Dryer and method for controlling the same
CN113338013A (zh) * 2021-06-24 2021-09-03 海信（山东）冰箱有限公司 干衣机的控制方法、装置以及干衣机

Also Published As

Publication number Publication date
SI3392396T1 (sl) 2020-07-31
CH711885B1 (de) 2021-05-14
CH711885A2 (de) 2017-06-15
EP3392396B1 (fr) 2020-02-26

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