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EP4269792B1 - Approches de pompage et de filtrage par modification diélectrique induite thermiquement dans des structures 2d et 3d - Google Patents

Approches de pompage et de filtrage par modification diélectrique induite thermiquement dans des structures 2d et 3d

Info

Publication number
EP4269792B1
EP4269792B1 EP23166610.8A EP23166610A EP4269792B1 EP 4269792 B1 EP4269792 B1 EP 4269792B1 EP 23166610 A EP23166610 A EP 23166610A EP 4269792 B1 EP4269792 B1 EP 4269792B1
Authority
EP
European Patent Office
Prior art keywords
electrode
substrate
electrode arrangement
medium
liquid
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
Application number
EP23166610.8A
Other languages
German (de)
English (en)
Other versions
EP4269792A1 (fr
Inventor
Thorsten Neumann
Armin SENNE
Juerg Schleuniger
Isabell Kegel
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.)
Benecke Kaliko AG
Original Assignee
Benecke Kaliko 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 Benecke Kaliko AG filed Critical Benecke Kaliko AG
Publication of EP4269792A1 publication Critical patent/EP4269792A1/fr
Application granted granted Critical
Publication of EP4269792B1 publication Critical patent/EP4269792B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • F04B19/00—Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/00 - F04B17/00
    • F04B19/006—Micropumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C5/00—Separating dispersed particles from liquids by electrostatic effect
    • B03C5/02—Separators
    • B03C5/022—Non-uniform field separators
    • B03C5/026—Non-uniform field separators using open-gradient differential dielectric separation, i.e. using electrodes of special shapes for non-uniform field creation, e.g. Fluid Integrated Circuit [FIC]

Definitions

  • the EP 1465 729 B1 discloses a device for moving a fluid, comprising a substrate and a plurality of electrodes arranged parallel to one another. Unfortunately, this solution cannot ensure direction-dependent mixing processes.
  • the object of the present invention is to provide a substrate and a device for manipulating liquid conductive media that overcomes the disadvantages described above.
  • the provided substrates and devices should enable the manipulation of liquid conductive media without the use of chemical and/or mechanical aids.
  • the invention therefore relates to a substrate having an electrode arrangement applied thereon for manipulating a liquid conductive medium, wherein the electrode arrangement comprises electrode elements and at least one conductor track connecting the electrode elements, which are arranged in such a way that that the at least one conductor track forms a circuit when connected to an alternating current source, and the electrode elements are arranged in the circuit in such a way that two opposing electrode elements each form a pair of electrode and counterelectrode, and the electrodes and counterelectrodes are arranged alternately.
  • the electrode and the counterelectrode of a pair are arranged at an angle such that the electrode elements are not arranged parallel, preferably at an angle of 0° to 45°, particularly preferably at an angle of 0° to 25°.
  • An electrode array is applied to the substrate according to the invention for manipulating a liquid conductive medium.
  • the substrate on which the electrode array is applied is naturally made of a virtually non-conductive or insulating material.
  • the manipulation of the liquid conductive medium is understood to mean, in particular, processes selected from the mixing of the liquid medium, transporting or pumping of the liquid medium and/or the sorting, separation or filtering of components contained in the liquid medium.
  • the substrate on which the electrode arrangement is applied can be made of an organic or inorganic material, e.g., a plastic, an elastomer, glass, or a ceramic; a plastic or elastomer substrate is preferred.
  • suitable plastics are plastics made of polyester, polyvinyl chloride, polyurethane, or polyolefin, which can be crosslinked or uncrosslinked.
  • suitable elastomers are elastomers made of thermoplastic elastomer (TPE) or crosslinked isoprene.
  • TPE thermoplastic elastomer
  • An example of a suitable ceramic is aluminum oxide.
  • the substrate can be a hard or rigid, flexible, or elastic substrate.
  • the substrate can be a single layer or a multilayer composite, which may optionally include a textile carrier. If the substrate is a multilayer composite, the above information on the material refers to the upper layer on which the electrode arrangement is applied.
  • the substrate can be, for example, a film, a foil, a sheet, a mat, a 3D structure such as a hose, a hose distributor, or a hose coupling, a plate, or artificial leather, with the substrate preferably being made of plastic.
  • the sheet can be, for example, the inner surface of a hose.
  • the substrate is particularly preferably a plastic film.
  • the plastic film can be, for example, a polyester, polyvinyl chloride, polyurethane, or polyolefin film, whereby the plastic can be cross-linked or uncross-linked.
  • the plastic films especially those mentioned above, can contain thermally conductive fillers, such as silicon carbide or aluminum oxide, to enable the heat generated at the electrode elements to be dissipated.
  • the electrode arrangement applied to the substrate comprises electrode elements and at least one conductor track.
  • the electrode elements are electrically connected to the at least one conductor track.
  • the electrode elements and the at least one conductor track are formed from a conductive material. Furthermore, the electrode elements and the at least one conductor track can be applied to the substrate using the same method or a different method. As a rule, it is preferred that the electrode elements and the at least one conductor track are made of the same material and are applied to the substrate using the same method. The electrode elements and the at least one conductor track can be applied to the substrate simultaneously or sequentially.
  • Electrode elements and the at least one conductor track made of the same material are preferred for etched systems. In printed electronics, the same or different materials can be used for the electrode elements and the at least one conductor track.
  • Examples of materials for electrode elements and the at least one conductor track are independently conductive metals or conductive polymers.
  • conductive metals are copper, zinc, tin, platinum, nickel, palladium, gold, silver, iridium, tungsten, or mixtures thereof.
  • conductive polymers are polymers that are conductive themselves or polymers that contain conductive particles, e.g., made of carbon nanotubes (CNTs), graphite, or metal-coated CNTs, and are thus conductive.
  • Preferred materials are silver or conductive polymers containing CNTs or metal-coated CNTs.
  • semiconductors can also be used. However, these must be operated at a voltage at which they become electrical conductors.
  • One example is doped silicon, which also offers good chemical compatibility.
  • the electrode elements and the at least one conductor track can be applied to the substrate independently of one another using suitable application methods.
  • suitable application methods include etching, spraying, printing, ablation, plasma deposition, sputtering, scanning, or combinations thereof.
  • the electrode elements and/or the at least one conductor track, in particular the electrode elements, are preferably applied to the substrate by printing.
  • Suitable printing methods include, for example, flexographic printing, gravure printing, screen printing, offset printing, inkjet printing, or pad printing.
  • Rotary printing methods, such as flexographic printing or gravure printing are particularly well-suited for the production of such printed electrode arrangements or electrode elements, as they enable high throughput.
  • the applied electrode elements are printed electrode elements, in particular the applied electrode arrangement is a printed electrode arrangement.
  • Metals in particular copper, zinc, tin, platinum, palladium, nickel, gold, silver, iridium, are suitable as starting materials for applying the electrode elements and/or the at least one conductor track by plasma deposition. Tungsten or combinations thereof, or salts of these metals. Ideally, inert metal compounds are used.
  • Suitable fluids for printing the electrode elements and/or the at least one conductor track include, for example, solvent-based, solvent-free, or aqueous pastes, solutions or dispersions of metallic particles, in particular nano- or microparticles, metal salt solutions reduced by redox systems, or conductive polymers or dendrimers. Furthermore, mixing processes and mixed solutions can also be used. Conductive pastes are particularly preferred as the fluid.
  • the electrode arrangement is such that the volume of the electrode and counter electrode is equal and the distance (d1) between the electrode and counter electrode of one pair and the distance (d2) between two adjacent pairs of electrode and counter electrode are equal.
  • Electrode arrangement A Such an electrode arrangement is referred to herein as Electrode arrangement A.
  • Fig. 1a shown.
  • An equal volume of two electrode elements generally means that the length, width, and thickness of both electrode elements are the same.
  • a different volume of two electrode elements generally means that the electrode elements differ in width and/or thickness, generally width or thickness.
  • the length of the electrode elements is usually the same.
  • the appropriate frequency of the alternating field and the appropriate applied voltage can vary depending on the application and can be determined by means of the An alternating current source can be set in the circuit.
  • the alternating field used can be set in ranges from low kHz to high MHz, e.g., in the range from 0.1 kHz to 20 MHz.
  • voltages in the range from low mV (e.g., 1 mV or 5 mV) up to 100 V can be used.
  • the alternating voltage must be selected so that electrolysis of the medium does not occur.
  • the current intensity is determined by the number of electrodes, their spacing, and the conductivity of the medium. If the current is too high, caused by the distances between the electrodes being too small at high conductivity, the voltage must be reduced accordingly, or a current limiter must be installed. Alternatively, the electrode area can be reduced.
  • a further advantage of the high-frequency alternating field is that no electrode material is electrolytically degraded, built up or deposited.
  • Applications include, among other things, surface structures in both the 2D and 3D realms. These 3D structures can also be the interior surfaces of hoses, for example.
  • the application allows multiple functions to be integrated into this hose. For example, immiscible media such as water and oil can be dispersed during the flow, and the resulting emulsion droplets can be defined by the excitation of the alternating current.
  • Additional functions include a reduction of flow resistance by triggering the reduction of surface effects.
  • hoses or plates can be used directly as pump units. This has the advantage of reducing weight and the number of units used. Mechanical moving parts are no longer required.
  • liquid conductive medium is subjected to high G-forces, such as in aircraft applications.
  • the liquid conductive medium can thus be manipulated without disturbing effects, such as the Coriolis force, on mechanical rotating parts.
  • Additional applications in hoses can include the separation of different particles, where the particles may differ in size and/or type. This allows, for example, particles contained in a liquid conductive medium contained in the hose, such as suspended particles, microplastics, or similar disruptive particles, to be separated. This would allow, among other things, longer service life for components, reduced wear, and more sustainable media purification.
  • Additional applications for the substrate or device according to the invention are in the cooling of batteries and To use accumulators, especially in the high-performance sector, such as mobile applications, for highly efficient heat dissipation through reduced surface effects.
  • Another application is the mixing of liquid conductive media in which chemical reactions are to be carried out.
  • chemical reactions can be significantly accelerated through near-surface triggered diffusion compared to large-scale reactors with conventional mixing systems.
  • biological conversion reactions have been accelerated by 5 to 50 times.
  • Fig. 1a shows a partial schematic top view of an exemplary electrode arrangement on a substrate (not shown) according to the prior art.
  • the section shows only a left-hand section of the arrangement.
  • the upper and lower parts of the at least one conductor track 2 are connected to one another in order to close the circuit.
  • the alternating arrangement of electrodes 3 and counterelectrodes 4 is continued there.
  • the electrode arrangement shown is connected to the alternating current source 1 via the at least one conductor track 2.
  • the electrode arrangement has a plurality of electrode elements, two of which each form a pair of electrode 3 and counterelectrode 4.
  • the electrodes 3 and counterelectrodes 4 are arranged alternately.
  • Fig. 1a A symmetrical electrode arrangement according to the electrode arrangement A described above is shown.
  • the volume of the electrodes 3 and counter electrodes 4 are equal. All electrode elements are equal in length, width and thickness. Furthermore, the distance (d1) between electrode 3 and counter electrode 4 of a pair and the distance (d2) between two adjacent pairs of electrode 3 and counter electrode 4 is equal.
  • Fig. 1b shows a partial schematic plan view of another exemplary electrode arrangement on a substrate (not shown) according to the prior art.
  • the arrangement corresponds, apart from the differences mentioned below, to that shown in Fig. 1a , so reference is made to it in this regard.
  • a variant of the asymmetrical electrode arrangement according to the electrode arrangement A2 described above is shown, which is referred to here as electrode arrangement B.
  • the volume of the electrodes 3 differs from the volume of the counter electrodes 4.
  • the different volume results from the fact that the width (w1) of the counter electrodes differs from the width (w2) of the electrodes.
  • the length and thickness of all electrode elements are the same.
  • the distance (d1) between the electrode and counter electrode of a pair and the distance (d2) between two adjacent pairs of electrode and counter electrode are the same. Due to the asymmetrical electrode arrangement, the field lines formed in the method according to the invention are shifted in a specific direction, whereby a one-sidedly amplified flux is generated.
  • Fig. 1c shows a partial schematic plan view of another exemplary electrode arrangement on a substrate (not shown) according to the prior art.
  • the arrangement corresponds, apart from the differences mentioned below, to that shown in Fig. 1a , so reference is made to it in this regard.
  • FIG. 1c A variant of the asymmetrical electrode arrangement according to the electrode arrangement A2 described above is shown, which is referred to here as electrode arrangement C.
  • electrode arrangement C the volume of the electrodes 3 and counter electrodes 4 are equal. All electrode elements are equal in length, width, and thickness. However, The distance (d1) between the electrode and counterelectrode of a pair differs from the distance (d2) between two adjacent pairs of electrode and counterelectrode. Due to the asymmetrical electrode arrangement, the field lines formed in the method according to the invention are shifted in a specific direction, thereby generating a one-sidedly amplified flux.
  • Fig. 2 shows a partial schematic cross-section of a substrate 5 in a liquid conductive medium 6 with an applied alternating current.
  • the electrode arrangement On the substrate 5 is the electrode arrangement, of which a pair of electrode 3 and counter electrode 4 is shown in cross-section.
  • Fig. 2 The electrode arrangement shown is the one in Fig. 1a shown symmetrical electrode arrangement A.
  • the liquid conductive medium 6 is in contact with the electrode array.
  • the applied alternating voltage causes an alternating current to flow through the array, generating a symmetrical alternating electric field 7 between electrode 3 and counter electrode 4.
  • the alternating field creates a temperature gradient T in the medium 6, as the temperature increases more sharply near the electrodes than in more distant areas of the medium. Since the dielectricity of the medium material decreases at higher temperatures, a corresponding dielectric gradient D is generated. This moment causes a macroscopic movement of the medium toward the electrodes. As a result, mixing of the liquid conductive medium occurs.
  • Fig. 3 shows a partial schematic cross-section of a substrate 5 in a liquid conductive medium 6 with an applied alternating current.
  • the electrode arrangement On the substrate 5 is the electrode arrangement, of which a pair of electrode 3 and counter electrode 4 is shown in cross-section.
  • Fig. 3 The electrode arrangement shown is a variant of an asymmetrical electrode arrangement according to the described electrode arrangement A2. In this variant, a different volume of electrode 3 and Counter electrode 4 due to the different thickness of electrode 3 and counter electrode 4.
  • the liquid conductive medium 6 is in contact with the electrode arrangement.
  • the applied alternating voltage causes an alternating current to flow through the arrangement, generating an alternating electric field 7 with shifted field lines between electrode 3 and counter electrode 4.
  • the alternating field creates a temperature gradient T in the medium 6, as the temperature increases more sharply near the electrodes than in areas of the medium further away. Since the dielectricity of the medium material decreases at higher temperatures, a corresponding dielectric gradient D is generated.
  • the shifted alternating field 7 generates a one-sidedly amplified flow. This leads to a unidirectional push, indicated by the dashed arrows, rather than a homogeneous mixture between the electrodes.
  • Fig. 4 shows a partial schematic top view of another exemplary electrode arrangement on a substrate according to the invention, wherein the electrode elements have an angled arrangement, with electrode 3 and counterelectrode 4 of a respective pair having an angled arrangement.
  • the angle can be approximately 15°, for example. Due to the angled arrangement, directional mixing processes can be adjusted depending on the angle.
  • Fig. 5 shows a schematic representation of a device according to the invention in the form of a tube.
  • the tube 8 can be a conventional tube, e.g. a plastic tube, on the inside of which a substrate 5 according to the invention with an applied electrode arrangement 9 is located.
  • the electrode arrangement 9 can, for example, be an arrangement as shown in the Fig. 1a, 1b, 1c , 2, 3 4 respectively.
  • the electrode arrangement can be connected to an alternating current source via provided power connections 10, in particular for high-frequency current.
  • the substrate can, for example, be the inner layer of the tube, ie be integrated therein, or be a plastic film applied to the inside of the tube with the applied electrode arrangement 9.
  • a liquid conductive medium contained in the tube can be manipulated.
  • the manipulation can involve, for example, mixing or pumping the medium or sorting different components within the medium.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Claims (17)

  1. Substrat (5) sur lequel est appliqué un ensemble d'électrodes (9) pour manipuler un milieu conducteur liquide (6), l'ensemble d'électrodes (9) comprenant des éléments d'électrode (3, 4) et au moins une piste conductrice (2) reliant les éléments d'électrode (3, 4), qui sont agencés de telle sorte que ladite au moins une piste conductrice (2), lorsqu'elle est connectée à une source de courant alternatif (1), forme un circuit électrique et que les éléments d'électrode (3, 4) sont agencés de telle manière dans le circuit électrique que deux éléments d'électrode (3, 4) respectivement opposés l'un à l'autre forment une paire composée d'une électrode (3) et d'une contre-électrode (4) et que les électrodes (3) et les contre-électrodes (4) sont agencées de manière alternée,
    caractérisé en ce que
    l'électrode (3) et la contre-électrode (4) d'une paire sont agencées selon un certain angle, de telle sorte que les éléments d'électrode (3, 4) ne sont pas agencés parallèlement, mais de préférence selon un angle de 0° à 45°, et plus particulièrement selon un angle de 0° à 25°.
  2. Substrat (5) selon la revendication 1, dans lequel le substrat (5) est un film, une feuille, une bande, un tapis, une plaque ou un cuir synthétique, le substrat (5) étant de préférence en matière plastique, et le substrat (5) étant en particulier une feuille de matière plastique.
  3. Substrat (5) selon la revendication 1 ou 2, dans lequel les éléments d'électrode (3, 4) appliqués sont des éléments d'électrode (3, 4) imprimés, l'ensemble d'électrodes (9) appliqué étant de préférence un ensemble d'électrodes (9) imprimé.
  4. Substrat (5) selon la revendication 3, dans lequel les éléments d'électrode (3, 4) imprimés, de préférence l'ensemble d'électrodes (9) imprimé, peuvent être obtenus par impression d'une pâte électriquement conductrice sur le substrat (5) selon un motif, puis par traitement de la pâte par exposition à un rayonnement UV.
  5. Substrat (5) selon l'une quelconque des revendications 1 à 4, dans lequel l'ensemble d'électrodes (9) est un ensemble d'électrodes A ou un ensemble d'électrodes A2,
    - dans lequel, dans le cas de l'ensemble d'électrodes A, les volumes de l'électrode (3) et de la contre-électrode (4) sont identiques, et la distance (d1) entre l'électrode (3) et la contre-électrode (4) d'une paire et la distance (d2) entre deux paires adjacentes d'électrodes (3) et de contre-électrodes (4) sont identiques,
    - dans lequel, dans le cas de l'ensemble d'électrodes A2, les volumes de l'électrode (3) et de la contre-électrode (4) sont différents et/ou la distance (d1) entre l'électrode (3) et la contre-électrode (4) d'une paire est différente de la distance (d2) entre deux paires adjacentes d'électrodes (3) et de contre-électrodes (4).
  6. Substrat (5) selon l'une quelconque des revendications 1 à 5, dans lequel la manipulation du milieu conducteur liquide est choisie parmi
    - le mélange du milieu liquide
    - le transport ou le pompage du milieu liquide
    - le tri, la séparation ou la filtration de constituants contenus dans le milieu liquide.
  7. Dispositif pour manipuler un milieu conducteur liquide, le dispositif étant approprié pour stocker et/ou transporter un milieu conducteur liquide, et dans lequel un substrat (5) selon l'une quelconque des revendications 1 à 6 est disposé dans le dispositif.
  8. Dispositif selon la revendication 7, dans lequel le dispositif est un réservoir, un bassin, un tube rigide ou un tuyau souple (8), le dispositif pouvant comporter une ou plusieurs conduites d'alimentation et/ou une ou plusieurs conduites d'évacuation pour le milieu conducteur liquide.
  9. Dispositif selon la revendication 7 ou 8, dans lequel le substrat (5) est appliqué sur une surface intérieure du dispositif ou est intégré dans une surface intérieure du dispositif.
  10. Procédé pour manipuler un milieu conducteur liquide au moyen d'une source de courant alternatif (1) et d'un dispositif selon l'une quelconque des revendications 7 à 9, le procédé comprenant la mise en contact du milieu conducteur liquide avec l'ensemble d'électrodes (9) appliqué sur le substrat (5) dans le dispositif, et l'application d'un courant alternatif à l'ensemble d'électrodes (9) au moyen de la source de courant alternatif (1) pour manipuler le milieu conducteur liquide.
  11. Procédé selon la revendication 10, dans lequel l'ensemble d'électrodes (9) sur le substrat (5) est un ensemble d'électrodes A selon la revendication 5, l'application du courant alternatif entraînant un mouvement macroscopique du milieu, ce qui provoque un mélange du milieu.
  12. Procédé selon la revendication 10, dans lequel l'ensemble d'électrodes (9) sur le substrat (5) est un ensemble d'électrodes A2 selon la revendication 5, de sorte que l'application du courant alternatif entraîne un mouvement dirigé du milieu, ce qui provoque un transport ou un pompage du milieu.
  13. Procédé selon la revendication 10 ou 12, dans lequel l'ensemble d'électrodes (9) sur le substrat (5) est un ensemble d'électrodes B selon la revendication 5, et le milieu conducteur liquide contient des particules, en particulier des particules de matière plastique, telles que des microplastiques, les particules comprenant des particules de tailles différentes et/ou de constantes diélectriques différentes, l'application du courant alternatif entraînant un mouvement dirigé des particules, qui diffère en vitesse et/ou en direction en fonction de la taille et de la constante diélectrique des particules, permettant ainsi une séparation ou un tri ou une filtration des particules en fonction de leur taille et/ou de leur type.
  14. Procédé selon l'une quelconque des revendications 10 à 13, dans lequel le milieu conducteur liquide est une phase homogène ou hétérogène, par exemple une solution aqueuse ou une dispersion, un liquide ayant une phase organique et aqueuse, un liquide contenant des particules ou un système de sels fondus.
  15. Utilisation d'un substrat (5) selon l'une quelconque des revendications 1 à 6 ou d'un dispositif selon l'une quelconque des revendications 7 à 9 pour manipuler un milieu conducteur liquide, en particulier pour mélanger, transporter, pomper ou filtrer le milieu conducteur liquide ou pour séparer ou trier des constituants, en particulier des particules, dans le milieu conducteur liquide.
  16. Utilisation selon la revendication 15, dans laquelle le substrat (5) est agencé sur une face intérieure d'un tuyau souple (8), en particulier pour mélanger, disperser et/ou pomper un milieu conducteur liquide se trouvant dans le tuyau souple (8) et/ou pour séparer ou isoler des constituants, tels que des particules différentes, qui sont présents dans le milieu conducteur liquide se trouvant dans le tuyau souple (8).
  17. Utilisation d'un substrat (5) selon l'une quelconque des revendications 1 à 6 ou d'un dispositif selon l'une quelconque des revendications 7 à 9 pour nettoyer des surfaces ou pour éviter la formation de dépôts sur des surfaces ou pour réduire la résistance au frottement sur des surfaces intérieures, en particulier pour des tuyaux souples pour liquides.
EP23166610.8A 2022-04-29 2023-04-04 Approches de pompage et de filtrage par modification diélectrique induite thermiquement dans des structures 2d et 3d Active EP4269792B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102022204205.0A DE102022204205A1 (de) 2022-04-29 2022-04-29 Pump- und Filteransätze über thermoinduzierte Dielektrizitätsveränderung in 2D- und 3D-Strukturen

Publications (2)

Publication Number Publication Date
EP4269792A1 EP4269792A1 (fr) 2023-11-01
EP4269792B1 true EP4269792B1 (fr) 2025-08-20

Family

ID=85873686

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EP23166610.8A Active EP4269792B1 (fr) 2022-04-29 2023-04-04 Approches de pompage et de filtrage par modification diélectrique induite thermiquement dans des structures 2d et 3d

Country Status (3)

Country Link
EP (1) EP4269792B1 (fr)
DE (1) DE102022204205A1 (fr)
PT (1) PT4269792T (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6149789A (en) * 1990-10-31 2000-11-21 Fraunhofer Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Process for manipulating microscopic, dielectric particles and a device therefor
GB0200705D0 (en) * 2002-01-14 2002-02-27 Univ Cambridge Tech Fluid movement
GB0611326D0 (en) * 2006-06-08 2006-07-19 Univ Cambridge Tech Apparatus for driving small volumes of fluid
DE102007051930A1 (de) * 2007-10-29 2009-04-30 Leonhard Kurz Gmbh & Co. Kg Verfahren zur Herstellung einer Leiterbahnstruktur
WO2010147942A1 (fr) * 2009-06-16 2010-12-23 Massachusetts Institute Of Technology Dispositifs électrocinétiques non linéaires à multiples phases
DE102010012254A1 (de) * 2010-03-22 2011-09-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Substrat, Kultivierungseinrichtung und Kultivierungsverfahren für biologische Zellen

Also Published As

Publication number Publication date
PT4269792T (pt) 2025-11-26
EP4269792A1 (fr) 2023-11-01
DE102022204205A1 (de) 2023-11-02

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