EP3899278B1 - Pumpensystem - Google Patents
Pumpensystem Download PDFInfo
- Publication number
- EP3899278B1 EP3899278B1 EP19832092.1A EP19832092A EP3899278B1 EP 3899278 B1 EP3899278 B1 EP 3899278B1 EP 19832092 A EP19832092 A EP 19832092A EP 3899278 B1 EP3899278 B1 EP 3899278B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hose
- atomizer
- pump
- nozzle
- rolling
- 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.)
- Active
Links
- 239000012530 fluid Substances 0.000 claims description 48
- 238000005096 rolling process Methods 0.000 claims description 45
- 238000000889 atomisation Methods 0.000 claims description 25
- 230000002572 peristaltic effect Effects 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 9
- 230000003993 interaction Effects 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000005086 pumping Methods 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 230000000475 sunscreen effect Effects 0.000 description 2
- 239000000516 sunscreening agent Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
- B05B9/0423—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material for supplying liquid or other fluent material to several spraying apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
- F04B43/1253—Machines, pumps, or pumping installations having flexible working members having peristaltic action by using two or more rollers as squeezing elements, the rollers moving on an arc of a circle during squeezing
- F04B43/1261—Machines, pumps, or pumping installations having flexible working members having peristaltic action by using two or more rollers as squeezing elements, the rollers moving on an arc of a circle during squeezing the rollers being placed at the outside of the tubular flexible member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/08—Apparatus to be carried on or by a person, e.g. of knapsack type
- B05B9/085—Apparatus to be carried on or by a person, e.g. of knapsack type with a liquid pump
- B05B9/0872—Apparatus to be carried on or by a person, e.g. of knapsack type with a liquid pump the pump being a peristaltic pump
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
- F04B43/1238—Machines, pumps, or pumping installations having flexible working members having peristaltic action using only one roller as the squeezing element, the roller moving on an arc of a circle during squeezing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
- F04B43/1253—Machines, pumps, or pumping installations having flexible working members having peristaltic action by using two or more rollers as squeezing elements, the rollers moving on an arc of a circle during squeezing
- F04B43/1292—Pumps specially adapted for several tubular flexible members
Definitions
- electrohydrodynamic atomization of fluids is becoming increasingly important in the area of coating processes.
- a device is known which, using electrohydrodynamic atomization, applies care products such as sunscreen to a person's body.
- peristaltic pumps so-called rolling pumps or hose pumps
- a fluid is pushed forward by mechanical deformation of a hose section and thus pumped.
- Such pumps are also used in the above-mentioned devices to convey a fluid to be atomized to the atomizer nozzles, at which the fluid is then exposed to a high voltage in order to bring about electrohydrodynamic atomization.
- a multi-part sterilization system comprising: a first part comprising a first reagent in a carrier medium in a first container; a second part comprising a second reagent in a carrier medium in a second container; wherein the first reagent and the second reagent will react to provide a sterilizing composition when the first part is mixed with the second part; a pump head with a peristaltic pump element; wherein the first container has a first part dispensing tube extending from the interior thereof and disposed through the pump head; wherein the second container has a two-part delivery tube extending from its interior and disposed through the pump head; whereby the peristaltic pump element Actuation acts on both the first part delivery tube and the second part delivery tube to simultaneously pump substantially equal volumes of the first part and the second part.
- a tube arrangement which can comprise a plurality of tubes or lumens which can be arranged in a head of a peristaltic pump.
- the hose assembly can provide a flow rate or volume capacity generally equal to or greater than that achieved with a comparable prior art hose while operating at higher pressures than those achieved using the prior art hose technology are possible.
- a dosing device for liquid agents is known, with which different liquid agents can be transported from separate storage containers into a treatment room or into a mixing chamber by means of a pump device driven by a drive motor, in particular for washing machines or dishwashers, in which different liquid agents are used alone or mixed in the washing or Rinsing container can be fed,
- the metering device for conveying the liquid having a pump device in the manner of a hose pump, which is equipped with support devices rotatably mounted in the pump head for squeezing rollers or squeezing rollers acting on the pump hose, the metering device having at least two or more pump devices, each with a pump head has, the pump heads being mounted on a drive and coupling shaft, the drive and coupling shaft carrying coupling elements which are designed to be axially displaceable and which correspond to the pumping operation Coupling elements can be brought into engagement in the roller carriers of the pump devices, and the pump devices are each driven by a drive motor for pumping operation.
- a means for receiving and/or dispensing peristaltic fluids comprising a peristaltic pump having a stator and a rotor having a plurality of circumferentially spaced projections on its periphery for cooperating with a length of flexible hose and a motor for driving the pump rotor, the Length of flexible hose cooperating with the projections of the rotor of the pump, arranged in a position to secure it against longitudinal movement by adhering to an element which can be arranged with respect to the stator of the pump.
- the object of the invention is therefore to avoid clogging of the nozzles, starting from a fluid tank for several nozzles, in order to enable electrohydrodynamic atomization in the required quality.
- the invention relates to a pump system with an atomizer nozzle system with at least two atomizer nozzles, an electrohydrodynamic atomizer, the pump system comprising at least one hose package and at least one pump rotor and at least one rolling body to form a rolling area of a peristaltic pump.
- the pump system is characterized in that the hose package comprises at least the same number of hose channels as the number of atomizer nozzles, preferably at least two, in particular three hose channels, and that each hose channel is assigned to a connection of an atomizer nozzle and connects it to the rolling area.
- each individual atomizer nozzle with its own hose channel forces a volume flow through each individual atomizer nozzle, so that in the event of an incipient blockage, the subsequent volume of fluid conveyed forcefully pushes out a clogging plug, and thus a fluid flow through the nozzle is always guaranteed.
- hose package with several hose channels offers the advantage that a common routing of the hose package in the device can easily be provided without having to route individual hoses.
- At least two, preferably three pump rotors are formed, with each pump rotor moving at least one rolling element or at least one group of rolling elements and being assigned to at least one hose channel.
- each hose channel directly connects a fluid tank through the rolling area to an atomizer nozzle.
- each nozzle is directly supplied with fluid from the fluid tank, without any hydraulic communication/interaction, e.g. pressure equalization or a resulting volume flow between the channels of the individual transport paths.
- any hydraulic communication/interaction e.g. pressure equalization or a resulting volume flow between the channels of the individual transport paths.
- a predetermined volume flow is enforced at each individual atomizer nozzle, which leads to process-reliable electrohydrodynamic atomization.
- a hose channel runs from a fluid tank to in front of the rolling area, a division into at least two, preferably three or more hose channels is formed in front of the rolling area and these hose channels run through the rolling area up to an atomizer nozzle assigned to the respective hose channel are arranged.
- a single hose channel from the fluid tank to the rolling area facilitates the connection to a valve system of the fluid tank and saves installation space and costs, since less hose material between the fluid tank and Rolling area must be provided.
- the rolling area in which the delivery pressure for the application of the individual atomizer nozzles is generated, separate hose channels must then be provided so that a division takes place in advance, for example by Y-elements or the like.
- At least one atomizer nozzle is connected to at least two hose channels.
- each hose channel conveying a defined volume of fluid
- increased process reliability and error avoidance can be achieved in electrohydrodynamic atomization, since smaller cross sections can be used and redundancies can be achieved.
- narrower bending radii can be achieved in the housing, which increases the design freedom of the device architecture.
- At least two, preferably three, in particular four rolling bodies are formed in the pump system, with each rolling body being individually assigned to at least one hose channel.
- the rolling body groups comprising several rolling bodies, for each hose channel, an offset of the rolling movements between the hose channels can be generated, for example by arranging the individual rolling body groups at an angular offset on the pump rotor in order to generate a uniform fluid flow and especially to reduce pulsation effects. It is also possible that To adapt rolling elements to the hose channel geometry and/or to optimize the arrangement in the housing of the atomizer in terms of installation space and ergonomics.
- the invention further provides a method for operating an electrohydrodynamic atomizer, wherein the atomizer comprises at least one, in particular two, preferably three or more atomizer nozzles, and a pump system according to the invention described above is included and a defined volume flow of a fluid is imposed on each atomizer nozzle via the pump system .
- Electrohydrodynamic atomization is based on the instability of electrically chargeable fluids, especially fluids that are sufficiently electrically conductive under high voltage, in a strong, inhomogeneous electric field.
- the fluid is subjected to high voltage.
- the fluid deforms into a cone, from the tip of which a thin beam, a so-called jet, is emitted, which immediately breaks up into a spray of finely dispersed drops.
- the drops Under certain conditions, in Taylor cone mode, the drops have a narrow size distribution.
- An expedient development of the method is characterized in that a hydraulically generated free jet in the form of a fluid column is created at the outlet of an atomizer nozzle, which only forms atomization after a free jet area through electrohydrodynamic interaction.
- the free jet generated allows the electrohydrodynamic interactions to develop more degrees of freedom, so that finer atomization is achieved outside of the previously geometrically defined nozzle channel.
- a diameter of an opening of the atomizer nozzle is from 0.1 mm to 0.3 mm, preferably 0.2 mm and/or a length of a fluid channel in the atomizer nozzle is from 3 mm to 15 mm, preferably in the range of one Insulator a free jet of 10 mm to 15 mm is formed.
- the fluid is brought far in front of the nozzle opening, and the atomization process can develop freely relative to the environment, the direction of the atomization being determined by the general kinematics, in particular by the hydraulic delivery of the fluid flow.
- a hose package refers to any collection of hoses that can be used in a peristaltic pump (roller pump). It is irrelevant whether the hose package is designed as a jointly extruded multi-channel hose or as a combination of individual hoses.
- a pump system in the sense of the invention includes, in addition to the actual pump unit, also the necessary hoses, since in a peristaltic pump (roller pump) the pump volume is given by that hose section which is processed by the rolling elements in order to move a fluid volume contained therein in front of the rolling element.
- a peristaltic pump roller pump
- FIG. 1 Shows in detail Figure 1 the structure of a well-known peristaltic pump. It consists of a pump housing a motor 3 is arranged from an upper housing section 1 and a lower housing section 2.
- the motor 3 includes a gear arrangement 4 on its output shaft, which drives a rolling element group 5 shown here.
- the rolling element group 5 in the present case comprises four rolling elements 6 which are rotatably mounted on a pump rotor 7.
- Such peristaltic pumps/hose pumps are known from the prior art for use with individual hoses.
- FIG. 2 A corresponding peristaltic pump 10 is shown in a top view, with the upper housing section 1 and the gear arrangement 4 being hidden.
- the rolling bodies 6 arranged on the pump rotor 7 deform a hose channel 22 (shown schematically as a line) in a rolling area 21 in order to pump a fluid.
- the hose channel 22 runs through a pump inlet 23 into the housing 1, 2 through the rolling area 21 (shown in dashed lines) to a pump outlet 24. From the pump outlet 24, the hose channel 22 continues in the direction of an atomizer nozzle assigned to it (not shown). At the pump inlet 23, the hose channel 22 leads towards the fluid tank (not shown), with either a single hose channel 22 extending to the fluid or several hose channels being combined to form a single fluid tank hose (not shown).
- hose guides 25 and 26 are preferably provided, in which case the hose guides 25 and 26 are arranged in the lower housing section 2, and a hose guide (not shown) for the hose channel 22 can be arranged in the upper housing section 1.
- the multiple hose channels can then be designed together, or several hose guides (not shown) are designed for the individual hose channels.
- FIG. 3 shows a hose package 30 as it could be used in a pump system according to the invention.
- the hose package 30 includes a first hose channel 31, a second hose channel 32 and a third hose channel 33, which in the present case are connected to one another via connecting webs 34.
- Such hose packages 30 are produced, for example, using the extrusion process and can also have additional hose channels or be arranged in a different geometry of hose channels, for example in a triangular or square shape.
- Exemplary dimensions can be given as follows, whereby the dimensions can be varied depending on the application and/or installation space and fluid to be transported.
- the hose channels 31, 32 and 33 have a cross-sectional diameter of 0.7mm and a wall thickness of 0.6mm.
- the webs 34 in turn have a width of 0.2 mm as the distance between the tubes and a thickness of also 0.2 mm.
- FIGS. 4a to 4c show different variants of the formation of a hydraulically generated free jet in front of an atomizer nozzle.
- Figure 4a shows a schematic representation in which the atomizer nozzle passes through a nozzle opening 40 in a nozzle body 41 is formed.
- a fluid 42 will emerge symmetrically about a central axis 43 of the nozzle opening 40 as a columnar free jet 44 due to the hydraulic pump pressure of the pump system according to the invention.
- the free jet 44 emerges over a free jet length 45 essentially as a fluid column, with the atomizing effect 47 of the electrohydrodynamic atomizer only beginning at a distance 46.
- a cylindrical nozzle attachment 52 is provided on the nozzle body 51 to form an atomizer nozzle 50.
- a nozzle opening 54 which is symmetrical about a central axis 53.
- the hydraulically conveyed fluid 55 flows through the nozzle body 51, the cylindrical nozzle attachment 52 and forms a free jet 57 over a free jet length 56.
- the atomization 59 also begins in this embodiment.
- the atomizer nozzle therefore comprises a hydraulic section 60, which is composed of the length 61 of the cylindrical nozzle attachment 52 and the length of the free jet 56.
- a high voltage 62 is provided at the inlet of the cylindrical nozzle attachment 52. In principle, however, it is conceivable to introduce the high voltage elsewhere in order to achieve electrohydrodynamic atomization.
- Preferred dimensions of an embodiment are the diameter of the nozzle opening 0.2 mm, and the fluid channel inside the nozzle 5.7 mm to approximately 14 mm, thereby producing a free jet with a free jet length of 10 mm to 15 mm.
- a conical nozzle attachment 72 is provided on the nozzle body 71 to form an atomizer nozzle 70.
- a nozzle opening 74 which is symmetrical about a central axis 73.
- the hydraulically conveyed fluid 75 flows through the nozzle body 71, the cylindrical nozzle attachment 72 and forms a free jet 77 over a free jet length 76.
- the atomization 79 also begins in this embodiment.
- the atomizer nozzle Fig. 4c also includes a conical hydraulic section 80, which is composed of the length 81 of the conical nozzle attachment 72 and the length of the free jet 76.
- a high voltage 82 is provided at the inlet of the conical nozzle attachment 72. In principle, however, it is conceivable to introduce the high voltage elsewhere in order to achieve electrohydrodynamic atomization.
- the invention is not limited to the exemplary embodiments shown. Also claimed according to the invention is the use according to the method for operating an electrohydrodynamic atomizer, in which the atomization effect is improved by the hydraulic generation of a free jet, in particular the atomization effect only begins after a free jet length 45, 56, 76 after the exit from a nozzle opening.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
- Nozzles (AREA)
- Special Spraying Apparatus (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018133406 | 2018-12-21 | ||
PCT/EP2019/086285 WO2020127715A1 (de) | 2018-12-21 | 2019-12-19 | Pumpensystem |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3899278A1 EP3899278A1 (de) | 2021-10-27 |
EP3899278B1 true EP3899278B1 (de) | 2023-09-27 |
Family
ID=69105838
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19832092.1A Active EP3899278B1 (de) | 2018-12-21 | 2019-12-19 | Pumpensystem |
Country Status (7)
Country | Link |
---|---|
US (1) | US20220023898A1 (ja) |
EP (1) | EP3899278B1 (ja) |
JP (1) | JP2022515785A (ja) |
KR (1) | KR20210106543A (ja) |
CN (1) | CN113439162B (ja) |
DE (1) | DE102019135149A1 (ja) |
WO (1) | WO2020127715A1 (ja) |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5037694B1 (ja) * | 1970-12-29 | 1975-12-04 | ||
GB2076476A (en) * | 1980-05-08 | 1981-12-02 | Warner Lambert Uk Ltd | Peristaltic fluid-machines |
JPH0440183U (ja) * | 1990-06-27 | 1992-04-06 | ||
GB9406255D0 (en) * | 1994-03-29 | 1994-05-18 | Electrosols Ltd | Dispensing device |
JPH1130186A (ja) * | 1997-07-10 | 1999-02-02 | Fuji Electric Co Ltd | Bib式飲料ディスペンサのチューブ式ポンプ装置 |
JPH11223182A (ja) * | 1998-02-04 | 1999-08-17 | Sekisui Chem Co Ltd | チューブポンプ |
KR100912627B1 (ko) * | 2004-10-21 | 2009-08-17 | 호야 가부시키가이샤 | 미립자 퇴적장치 및 미립자 퇴적방법 |
US9909579B2 (en) * | 2014-06-09 | 2018-03-06 | Blue-White Industries, Ltd. | Overmolded tubing assembly and adapter for a positive displacement pump |
GB2494623B (en) * | 2011-09-02 | 2013-09-25 | Tristel Plc | Pump apparatus |
DE102013101157B4 (de) * | 2013-02-06 | 2015-06-18 | Miele & Cie. Kg | Dosiereinrichtung für Flüssigmittel |
EP3612313B1 (de) * | 2017-04-21 | 2023-04-12 | J. Wagner GmbH | Elektrostatischer zerstäuber für flüssigkeiten und verfahren zum betrieb eines elektrostatischen zerstäubers |
JP7177786B2 (ja) * | 2017-04-21 | 2022-11-24 | ジェイ. ワグナー ゲーエムベーハー | 液体用静電噴霧器 |
-
2019
- 2019-12-19 EP EP19832092.1A patent/EP3899278B1/de active Active
- 2019-12-19 JP JP2021536249A patent/JP2022515785A/ja active Pending
- 2019-12-19 KR KR1020217023182A patent/KR20210106543A/ko not_active Application Discontinuation
- 2019-12-19 DE DE102019135149.9A patent/DE102019135149A1/de active Pending
- 2019-12-19 WO PCT/EP2019/086285 patent/WO2020127715A1/de unknown
- 2019-12-19 CN CN201980092222.1A patent/CN113439162B/zh active Active
- 2019-12-19 US US17/309,731 patent/US20220023898A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
EP3899278A1 (de) | 2021-10-27 |
US20220023898A1 (en) | 2022-01-27 |
DE102019135149A1 (de) | 2020-06-25 |
KR20210106543A (ko) | 2021-08-30 |
WO2020127715A1 (de) | 2020-06-25 |
CN113439162A (zh) | 2021-09-24 |
CN113439162B (zh) | 2023-12-15 |
JP2022515785A (ja) | 2022-02-22 |
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