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EP3989747B1 - Inhalateur et réservoir liquide remplacable pour un inhalateur - Google Patents

Inhalateur et réservoir liquide remplacable pour un inhalateur Download PDF

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Publication number
EP3989747B1
EP3989747B1 EP20735293.1A EP20735293A EP3989747B1 EP 3989747 B1 EP3989747 B1 EP 3989747B1 EP 20735293 A EP20735293 A EP 20735293A EP 3989747 B1 EP3989747 B1 EP 3989747B1
Authority
EP
European Patent Office
Prior art keywords
liquid reservoir
inhaler
liquid
evaporator
vaporizer
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
EP20735293.1A
Other languages
German (de)
English (en)
Other versions
EP3989747A2 (fr
Inventor
Björn SCHLÜTER
Cameron John WAGENKNECHT
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.)
Koerber Technologies GmbH
Original Assignee
Koerber Technologies GmbH
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 Koerber Technologies GmbH filed Critical Koerber Technologies GmbH
Publication of EP3989747A2 publication Critical patent/EP3989747A2/fr
Application granted granted Critical
Publication of EP3989747B1 publication Critical patent/EP3989747B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/10—Devices using liquid inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/42—Cartridges or containers for inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/44—Wicks
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/48—Fluid transfer means, e.g. pumps
    • A24F40/485—Valves; Apertures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets

Definitions

  • the present invention relates to a replaceable liquid reservoir for an inhaler having the features of the preamble of claim 1.
  • Inhalers with a receptacle for a replaceable liquid reservoir are known as electronic cigarette products, for example.
  • the inhalers comprise a vaporizer device with at least one electric vaporizer for vaporizing liquid supplied to the vaporizer, at least one electrical line for supplying the vaporizer with electrical current, and a receptacle for holding an exchangeable liquid reservoir, which can be fluidly connected to the vaporizer via an opening.
  • a vaporizer device based on wick-coil technology, for example, in which the liquid is transported by capillary forces from the liquid reservoir along a wick until the liquid is heated by an electrically heated coil and thus vaporized.
  • the wick serves as a liquid-conducting connection between the liquid reservoir and the heating coil that serves as the vaporizer.
  • wick-coil technology A disadvantage of the wick-coil technology is that a lack of liquid supply leads to local overheating, which can produce harmful substances. This so-called “dry puff” should be avoided.
  • vaporizer devices are often leaky due to the manufacturing process, so that liquid can escape in an undesirable way, for example via the air supply and/or steam discharge.
  • the DE 10 2017 111 119 A1 an evaporator device with an evaporator is described, in which the liquid from the liquid reservoir is transported by a wick structure to an inlet side of the evaporator by capillary forces.
  • the evaporator evaporates the liquid, and the evaporated liquid can be added to an air stream as vapor and/or aerosol.
  • the evaporator can be electrically connected to an energy reservoir via an electrical line to supply electrical energy.
  • WO 2017/167513 A1 WO 2015/101479 , WO 2018/224132 , WO 2019/081571 and US 2016/345629 each reveal a replaceable liquid reservoir for an inhaler.
  • the object of the invention is to provide a replaceable liquid reservoir for an inhaler in which an unintentional escape of the liquid is reliably prevented or reduced to the lowest possible level.
  • an exchangeable liquid reservoir for an inhaler with a cavity which is filled with at least one liquid and has an opening is releasable, and a wick structure for transporting the liquid out of the cavity, in which the opening is surrounded by a seal and is closed by a film glued to the seal.
  • the proposed solution can reduce or prevent accidental leakage of liquid both before the liquid reservoir is inserted into the inhaler and when the liquid reservoir is inserted.
  • the seal is used specifically: before use to bond the film sealing the opening and when inserted to seal the contact zone between the opening of the liquid reservoir and the vaporizer.
  • an inhaler comprising a vaporizer device with at least one electric vaporizer for vaporizing liquid supplied to the vaporizer, at least one electrical line to an electrical power supply of the vaporizer, an exchangeable liquid reservoir according to the invention and a receptacle for holding the exchangeable liquid reservoir, which can be fluidically connected to the vaporizer via the opening, wherein the receptacle comprises a device which urges the exchangeable liquid reservoir with the opening into direct contact with the vaporizer.
  • the liquid reservoir with the opening is directly adjacent to the evaporator without forming a gap, and the liquid inevitably exits through the evaporator when it exits the liquid reservoir. Furthermore, the liquid is immediately evaporated, so that the evaporation is realized with a very good overall efficiency and as little loss as possible.
  • a seal be provided between the evaporator and the liquid reservoir, sealing the opening to the outside.
  • the seal provided can further reduce the likelihood of the liquid accidentally escaping from the evaporator device without passing through the evaporator.
  • the seal covers the contact area between the evaporator and the opening of the liquid reservoir, through which the liquid passes from the liquid reservoir into the evaporator, so that the seal prevents the liquid or vapor from escaping sideways from the surface of the evaporator device.
  • the seal can be provided on both the liquid reservoir and the evaporator. An arrangement on the liquid reservoir has the advantage, however, that it can be replaced with a new seal when the liquid reservoir is changed.
  • the device can preferably comprise a magnetically actuated clamping device, which enables a reversible release and replacement of the liquid reservoir, in particular without the aid of a tool.
  • the device can alternatively or additionally comprise a spring-loaded pressure piece which is spring-loaded in such a direction that it urges the replaceable liquid reservoir against the evaporator.
  • the pressure piece is spring-loaded in the direction of a designated flow direction in the inhaler.
  • the designated flow direction is defined by the flow of air that is caused in the inhaler when the consumer sucks on the mouthpiece in accordance with the intended use and thereby creates a negative pressure in the inhaler.
  • the proposed direction of the spring load means that it is aligned with the pressure gradient generated during suction, so that the pressure force acting between the liquid reservoir and the vaporizer can be increased during suction and the tendency of the liquid reservoir to detach from the vaporizer can be counteracted.
  • the pressure piece be spring-loaded point-symmetrically to its longitudinal axis.
  • the point-symmetrical spring loading forces the liquid reservoir against the evaporator with a pressure force that is distributed as evenly as possible over the circumference.
  • the wick structure in the liquid reservoir is formed by a sponge that at least fills the opening.
  • the sponge forms a wick through its capillary, which causes the liquid to be conveyed from the cavity through the opening to the vaporizer, whereby the sponge enables the liquid to be supplied and the liquid to be completely emptied from the cavity by regularly filling the capillary, regardless of the position and orientation of the inhaler.
  • the sponge can also completely fill the cavity so that the liquid is stored exclusively in the capillaries.
  • a slight pressure can be generated on the sponge when inserted via the adjacent vaporizer without the sponge being able to escape into the cavity.
  • This pressure can in turn actively suck in the liquid, similar to the principle of felt-tip pens, whereby the liquid is safely stored in the sponge if no pressure is applied.
  • This pressure can be exerted by sucking on the inhaler or by a spring-loaded holder in the inhaler.
  • the sponge can preferably be flexible in itself, so that when inserted into an evaporator device, it can adapt slightly to the geometry and unevenness of a counter surface such as an evaporator. This can prevent cavities and improve the transfer of the liquid from the liquid reservoir to an evaporator, for example. Furthermore, the advantageous pressure described above can be converted into a compression of the sponge, which further promotes the suction and further transport of the liquid.
  • the sponge be thermally stable up to a temperature of 300 °C.
  • the proposed material property prevents the material from melting under the influence of temperature and the capillaries from melting together. It can also prevent components of the sponge from outgassing and being added to the liquid to be evaporated.
  • FIG. 1 shows schematically an inhaler 10 or an electronic cigarette product.
  • the inhaler 10 comprises a housing 11 in which an air channel 30 or chimney is provided between at least one air inlet opening 231 and an air outlet opening 24 at a mouth end 32 of the cigarette product 10.
  • the mouth end 32 of the inhaler 10 designates the end at which the consumer draws for the purpose of inhalation, thereby subjecting the inhaler 10 to a negative pressure and generating an air flow 34 in the air channel 30.
  • the inhaler 10 advantageously consists of a base part 16 and a vaporizer tank unit 20, which comprises a vaporizer device 1 with a vaporizer 60 and a liquid reservoir 18, which is designed in particular in the form of a replaceable cartridge.
  • the liquid reservoir 18 can be replaced by the user of the inhaler 10, for which purpose the inhaler 10 has a suitable closable access opening 2.
  • the Air sucked in through the air inlet opening 231 is guided in the air channel 30 to the at least one evaporator 60.
  • the evaporator 60 is connected or connectable to the liquid reservoir 18 in which at least one liquid 50 is stored.
  • a porous and/or capillary, liquid-conducting wick structure 19 is advantageously arranged on an inlet side 61 of the evaporator 60.
  • the evaporator 60 evaporates liquid 50, which is supplied to the evaporator 60 from the liquid reservoir 18 by the wick structure 19 by means of capillary forces, and delivers the evaporated liquid as an aerosol/vapor to the air stream 34 at an outlet side 64.
  • the electronic cigarette 10 further comprises an electrical energy storage device 14 and an electronic control device 15.
  • the energy storage device 14 is generally arranged in the base part 16 and can in particular be an electrochemical disposable battery or a rechargeable electrochemical battery, for example a lithium-ion battery.
  • the vaporizer tank unit 20 is arranged between the energy storage device 14 and the mouth end 32.
  • the electronic control device 15 comprises at least one digital data processing device, in particular a microprocessor and/or microcontroller, in the base part 16 (as in Figure 1 shown) and/or in the evaporator tank unit 20.
  • a sensor for example a pressure sensor or a pressure or flow switch, is advantageously arranged in the housing 11, wherein the control device 15 can determine, on the basis of a sensor signal output by the sensor, that a consumer is pulling on the mouth end 32 of the cigarette product 10 in order to inhale.
  • the control device 15 controls the evaporator 60 to add liquid 50 from the liquid reservoir 18 as an aerosol/vapor into the air stream 34.
  • the at least one evaporator 60 is arranged in a part of the evaporator tank unit 20 facing away from the mouth end 32. This enables an effective electrical coupling and control of the evaporator 60, in particular with the base part 16.
  • the air flow 34 advantageously leads through an air channel 30 running axially through the liquid reservoir 18 to the air outlet opening 24.
  • the liquid 50 to be dosed and stored in the liquid reservoir 18 is, for example, a mixture of 1,2-propylene glycol, glycerin, water and preferably at least one aroma (flavor) and/or at least one active ingredient, in particular nicotine.
  • aromas and/or active ingredients, in particular nicotine can be omitted.
  • the evaporator tank unit 20 comprises a block-shaped, preferably monolithic heating element or evaporator 60 preferably made of an electrically conductive material, in particular a semiconductor material, preferably silicon. It is not necessary for the entire evaporator 60 to consist of an electrically conductive material. It may be sufficient, for example, for the surface of the evaporator 60 to be electrically conductive, for example metallically coated or preferably suitably doped. In this case, the entire surface does not have to be coated, for example metallic or preferably non-metallic or non-metallic laminated metallic conductor tracks on a non-conductive or semi-conductive base body.
  • the entire evaporator 60 it is also not absolutely necessary for the entire evaporator 60 to heat; for example, it may be sufficient if a section or a heating layer of the evaporator 60 in the area of the outlet side 64 heats.
  • the evaporator 60 is heated by electrical energy based on its electrical resistance and can therefore be referred to as a resistance heater.
  • the evaporator 60 is advantageously provided with a plurality of microchannels or liquid channels 62 which connect an inlet side 61 of the evaporator 60 with an outlet side 64 of the evaporator 60 in a liquid-conducting manner.
  • the average diameter of the liquid channels 62 is preferably in the range between 5 ⁇ m and 200 ⁇ m, more preferably in the range between 30 ⁇ m and 150 ⁇ m, even more preferably in the range between 50 ⁇ m and 100 ⁇ m. Due to these dimensions, a capillary effect is advantageously generated, so that liquid penetrating into a liquid channel 62 on the inlet side 61 rises upwards through the liquid channel 62 until the liquid channel 62 is filled with liquid.
  • the number of liquid channels 62 is preferably in the range between four and 1000. In this way, the heat input into the liquid channels 62 can be optimized and a guaranteed high evaporation performance and a sufficiently large vapor outlet area can be realized.
  • the liquid channels 62 are advantageously arranged in the form of an array.
  • the array can be designed in the form of a matrix with s columns and z rows, where s is advantageously in the range between 2 and 50 and further advantageously in the range between 3 and 30 and/or z advantageously in the range between 2 and 50 and further advantageously in the range between 3 and 30. In this way, an effective and easily producible arrangement of the liquid channels 62 with assured high evaporation performance can be realized.
  • the evaporator tank unit 20 comprises a carrier 4 with a through-opening 104 for the liquid-conducting connection of the evaporator 60 and a liquid reservoir 18.
  • the carrier 4 and the evaporator 60 are components of an evaporator device 1, which implements the electrical and mechanical connection of the evaporator 60.
  • a wick structure 19 is arranged in the through-opening 104.
  • the inlet side 61 of the evaporator 60 is connected to the liquid reservoir 18 in a fluid-conducting manner via the wick structure 19.
  • the wick structure 19 serves to passively convey liquid 50 from the liquid reservoir 18 to the evaporator 60 by means of capillary forces.
  • the wick structure 19 advantageously contacts the inlet side 61 of the evaporator 60 over a large area and covers all of the liquid channels 62 of the evaporator 60 on the inlet side.
  • the wick structure 19 is connected to the liquid reservoir 18 in a fluid-conducting manner.
  • An advantageous volume of the liquid reservoir 18 is in the range between 0.1 ml and 5 ml, preferably between 0.5 ml and 3 ml, more preferably between 0.7 ml and 2 ml or 1.5 ml.
  • the evaporator tank unit 20 is preferably connected and/or connectable to a heating voltage source 71 that can be controlled by the control device 15 and is connected to the evaporator 60 for an electrical voltage supply via electrical lines 105a, 105b in a contact area 131 on opposite edge sections of the evaporator 60, so that an electrical voltage Uh generated by the heating voltage source 71 leads to a current flow through the evaporator 60.
  • the control device 15 controls the heating voltage source 71, whereby the liquid in the liquid channels 62 is driven out of the liquid channels 62 in the form of vapor/aerosol by spontaneous heating.
  • the evaporation temperature is preferably in the range between 100 °C and 400 °C, more preferably between 150 °C and 350 °C, even more preferably between 190 °C and 290 °C.
  • the evaporator 60 can advantageously be produced from parts of a wafer using thin film technology, which has a layer thickness of preferably less than or equal to 1000 ⁇ m, more preferably 750 ⁇ m, even more preferably less than or equal to 500 ⁇ m.
  • Surfaces of the evaporator 60 can advantageously be hydrophilic.
  • the vaporizer tank unit 20 is set so that a quantity of liquid is preferably dosed in the range between 1 ⁇ l and 20 ⁇ l, more preferably between 2 ⁇ l and 10 ⁇ l, even more preferably between 3 ⁇ l and 5 ⁇ l, typically 4 ⁇ l per puff of the consumer.
  • the vaporizer tank unit can preferably be adjustable with regard to the quantity of liquid/vapor per puff, i.e. per puff duration from 1 s to 3 s.
  • the control frequency of the evaporator 60 generated by the heating voltage source 71 is generally advantageously in the range from 1 Hz to 50 kHz, preferably in the range from 30 Hz to 30 kHz, even more advantageously in the range from 100 Hz to 25 kHz.
  • the evaporator 60 is preferably made on the basis of MEMS technology, in particular from silicon, and is therefore advantageously a micro-electro-mechanical system.
  • the liquid reservoir 18 is shown in an enlarged view as an individual part.
  • the liquid reservoir 18 is designed in the form of an exchangeable cartridge and comprises a housing 6 with a cavity 5 in which the liquid 50 is stored.
  • the housing 6 also has an opening 25 which is surrounded by a seal 7 and is closed by a film 8 glued to the seal 7.
  • the cavity 5 is preferably completely filled with a sponge. If the cavity 5 is not completely filled with the sponge, it is at least arranged such that it completely fills the opening 25.
  • the sponge has a large number of capillaries which are filled with the liquid and thereby form the wick structure 19 required for supplying the liquid.
  • the sponge is preferably flexible and thermally stable up to a temperature of 300 °C.
  • the vaporizer tank unit 20 with the liquid reservoir 18 inserted can be seen.
  • the vaporizer tank unit 20 comprises a tubular pull part 22 with the air channel 30 provided therein and a mouthpiece 26 attached to it. Furthermore, the vaporizer 60 is held in the air channel 30 of the pull part 22, so that the consumer sucks the air in the direction of the arrow through the vaporizer 60 when pulling on the mouthpiece 26. Furthermore, the vaporizer tank unit 20 has a pressure piece 21, which has a receptacle 27 in which the liquid reservoir 18 is held. The pressure piece 21 is pulled against the pull part 22 via two springs 23.
  • the two springs 23 are arranged diametrically to a longitudinal axis L of the pressure piece 21, so that the pressure piece 21 is spring-loaded in cross-section point-symmetrically to its longitudinal axis.
  • the pressure piece is thus spring-loaded evenly in the direction of its longitudinal axis L in the direction of the evaporator 60.
  • the spring-loaded pressure piece 21 forms a device by means of which the liquid reservoir 18 is pressed against the evaporator 60.
  • the pressure piece 21 could also be pressed against the evaporator 60 by a magnetic force.
  • the only important thing with the pressure-applying device is that the liquid reservoir 18 can be removed from the holder 27 and reinserted without the aid of a tool if possible.
  • the liquid reservoir 18 is sealed by the film 8 before use, ie the liquid 50 cannot accidentally escape from the opening 25 or emit gases.
  • the film 8 is removed and the liquid reservoir 18 is inserted into the receptacle 27, whereby insertion can be made easier by stretching the springs 23 and enlarging the receptacle 27.
  • the receptacle 27 is shaped in such a way that its shape dictates the direction in which the liquid reservoir 18 is inserted.
  • the liquid reservoir 18 can therefore only be inserted in such a way that it comes into contact with the free opening 25 and the seal 7 on the evaporator 60.
  • the sponge's inherently flexible properties enable its surface to adapt to the surface of the evaporator 60.
  • the seal 7 is also inherently flexible and is pressed against the surface of the evaporator 60 in a sealing manner by the pressure exerted by the springs 23, so that the liquid 50 cannot escape laterally from the opening 25 without passing through the evaporator 60.
  • the sponge i.e. the wick structure 19, is slightly pressed against the evaporator 60 by the spring load, so that reliable contact between the wick structure 19 and the evaporator 60 is always achieved with as few cavities as possible.
  • the sponge can be easily compressed, which supports the liquid coming out of the capillaries and the supply of the liquid to the opening 25.
  • the liquid reservoir 18 is thus in a fluid connection with the evaporator 60 in the inserted state, ie the liquid 50 can flow from the cavity 5 of the liquid reservoir 18 into the evaporator 60 via the opening 25.

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  • Catching Or Destruction (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Devices For Medical Bathing And Washing (AREA)

Claims (11)

  1. Réservoir de liquide remplaçable (18) pour un inhalateur (10) comportant
    - une cavité (5) qui est remplie d'au moins un liquide (50) et qui peut être libérée par le biais d'une ouverture (25), et
    - une structure de mèche (19) destinée au transport du liquide (50) hors de la cavité (5),
    caractérisé en ce que
    - l'ouverture (25) est entourée d'un joint d'étanchéité (7) et est fermée par le biais d'un film (8) collé sur le joint d'étanchéité (7).
  2. Réservoir de liquide remplaçable (18) selon la revendication 1, caractérisé en ce que
    - la structure de mèche (19) est formée par une éponge remplissant au moins l'ouverture (25).
  3. Réservoir de liquide remplaçable (18) selon la revendication 2, caractérisé en ce que
    - l'éponge remplit entièrement la cavité (5).
  4. Réservoir de liquide remplaçable (18) selon la revendication 2 ou 3, caractérisé en ce que
    - l'éponge est flexible en soi.
  5. Réservoir de liquide remplaçable (18) selon l'une des revendications 2 à 4, caractérisé en ce que
    - l'éponge est stable thermiquement jusqu'à une température de 300 °C.
  6. Inhalateur (10), comprenant
    - un dispositif de vaporisation (1) comportant au moins un vaporisateur (60) électrique destiné à la vaporisation de liquide (50) acheminé dans le vaporisateur (60),
    - au moins une ligne électrique (105a, 105b) destinée à une alimentation en tension électrique du vaporisateur (60),
    - un réservoir de liquide remplaçable (18) selon l'une des revendications précédentes, et
    - un logement (27) destiné au maintien du réservoir de liquide remplaçable (18) qui peut être relié de manière fluidique au vaporisateur (60) par le biais de l'ouverture (25), caractérisé en ce que
    - le logement (27) comprend un système qui pousse le réservoir de liquide remplaçable (18) pour en amener l'ouverture (25) en contact direct avec le vaporisateur (60).
  7. Inhalateur (10) selon la revendication 6, caractérisé en ce que
    - le joint d'étanchéité (7) fermant hermétiquement l'ouverture (25) par rapport au côté extérieur est prévu entre le vaporisateur (60) et le réservoir de liquide (18).
  8. Inhalateur (10) selon l'une des revendications 6 ou 7, caractérisé en ce que
    - le système comprend un système de serrage actionné par force magnétique.
  9. Inhalateur (10) selon l'une des revendications 6 à 8, caractérisé en ce que
    - le système comprend une pièce de pression (21) sollicitée par ressort.
  10. Inhalateur (10) selon la revendication 9, caractérisé en ce que
    - la pièce de pression (21) est sollicitée par ressort dans la direction d'un sens d'écoulement prévu dans l'inhalateur (10).
  11. Inhalateur (10) selon l'une des revendications 9 ou 10, caractérisé en ce que
    - la pièce de pression (21) est sollicitée par ressort de manière centro-symétrique par rapport à son axe longitudinal (L).
EP20735293.1A 2019-06-27 2020-06-23 Inhalateur et réservoir liquide remplacable pour un inhalateur Active EP3989747B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019117379.5A DE102019117379A1 (de) 2019-06-27 2019-06-27 Inhalator und austauschbarer Flüssigkeitsspeicher für einen Inhalator
PCT/EP2020/067434 WO2020260241A2 (fr) 2019-06-27 2020-06-23 Inhalateur et réservoir de liquide remplaçable pour un inhalateur

Publications (2)

Publication Number Publication Date
EP3989747A2 EP3989747A2 (fr) 2022-05-04
EP3989747B1 true EP3989747B1 (fr) 2024-11-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20735293.1A Active EP3989747B1 (fr) 2019-06-27 2020-06-23 Inhalateur et réservoir liquide remplacable pour un inhalateur

Country Status (7)

Country Link
US (1) US20220232892A1 (fr)
EP (1) EP3989747B1 (fr)
JP (1) JP2022538129A (fr)
KR (1) KR20220025716A (fr)
CN (1) CN113993403A (fr)
DE (1) DE102019117379A1 (fr)
WO (1) WO2020260241A2 (fr)

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KR20220025716A (ko) 2022-03-03
DE102019117379A1 (de) 2020-12-31
EP3989747A2 (fr) 2022-05-04
WO2020260241A2 (fr) 2020-12-30
US20220232892A1 (en) 2022-07-28
WO2020260241A3 (fr) 2021-02-18
JP2022538129A (ja) 2022-08-31
CN113993403A (zh) 2022-01-28

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