• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to an inhaler component for the formation of a vapor-air mixture and / or condensation aerosol by evaporation of a liquid material (13) and optionally condensation of the vapor formed, comprising: a heating element (6) for evaporating a portion of the liquid material (13) ; a wick (7) for automatically supplying the heating element (6) with the liquid material (13), which wick (7) has at least two mutually remote end portions (7a, 7b); a first capillary gap (IIa) for automatically supplying the wick (7) with the liquid material (13), a first end portion (7a) of the wick (7) projecting into the first capillary gap (11a). So that the heating element (6) can be supplied with the liquid material (13) more quickly and safely, it is proposed to provide a second capillary gap (11b) which accommodates the second end section (7b) of the wick (7).
    公开号:AT510405A4
    申请号:T1872011
    申请日:2011-02-11
    公开日:2012-04-15
    发明作者:Helmut Dr Buchberger
    申请人:Helmut Dr Buchberger；
    IPC主号:
    专利说明:

    DESCRIPTION
    The invention relates to an inhaler component for the formation of a vapor-air mixture and / or condensation aerosol by evaporation of a liquid material and optionally condensation of the vapor formed, comprising: a heating element for evaporating a portion of the liquid material; a wick for automatically supplying the heating element with the liquid material, which wick has at least two mutually remote end portions; a first capillary gap for automatically supplying the wick with the liquid material, wherein a first end portion of the wick protrudes into the first capillary gap.
    Definition of terms:
    In the subject patent application, the term " inhaler " on medical as well as non-medical inhalers. The term also refers to inhalers for the administration of medicaments and those substances that are not declared as medicines. The term also refers to smoking articles and cigarette replacement articles, such as those contained in European Patent A24F47 / OOB, to the extent that they are intended to present to the user a vapor-air mixture and / or condensation aerosol. The term "inhaler " should also make no restrictions on how the vapor-air mixture formed and / or condensation aerosol is supplied to the user or his body. The vapor-air mixture and / or condensation aerosol can be inhaled into the lungs, or even be delivered only to the oral cavity - without inhalation into the lungs.
    As the "capillary gap" apply any gap, which causes a liquid transport alone due to the capillary action of its boundary walls. * ♦
    Wicks, jacketed wicks or channels filled with wick material are not capillary columns. WO 2010/045671 (Helmut Buchberger) describes an inhaler component for the intermittent, inhalation or train-synchronous formation of a vapor-air mixture or / and condensation aerosol, consisting of (FIG. 9-12 and FIG. 17-18) a housing 3, a chamber 21 disposed in the housing 3, an air inlet opening 26 for the supply of air from the environment into the chamber 21, an electric heating element for evaporation of a portion of a liquid material 16, wherein the vapor formed in the chamber 21 with the through the air inlet opening 26 mixes supplied air, and forms the vapor-air mixture and / or condensation aerosol. The inhaler component further comprises a wick having a capillary structure, which wick forms a laminar structure 22 with the heating element and automatically re-energizes the heating element with the liquid material 16 after evaporation. At least one heated section of the composite 22 is arranged without contact in the chamber 21, and the capillary structure of the wick is largely free in said section at least on one side 24 of the planar composite. The laminar composite 22 protrudes at one end into a capillary gap 41, which in turn is capillary coupled or couplable with a liquid container 4 containing the liquid material 16. The capillary gap 41 draws the liquid material 16 from the liquid container 4 and transports it to the wick.
    After evaporation or inhalation, the user of the inhaler component must wait a while during which the liquid material 16 can completely infiltrate the butt again. Evaporations before the expiry of the waiting time can entail various adverse consequences, such as a reduction in the amount of aerosol administered or / and a local overheating of the wick optionally associated with a decomposition of the liquid material and a deterioration of the organoleptic properties of the formed vapor-air mixture or Aerosols. In prototypes based on highly diluted ethanolic and / or aqueous nicotine solutions, a complete infiltration of the wick could be achieved within 10 seconds. Should the 3
    Inhaler component used as a cigarette substitute, so a wait of 10s for many smokers may be acceptable; for some smokers, however, it may be too long. Furthermore, it has been shown in the same prototypes that disturbances of infiltration can occur even if the said waiting time is observed. Although these disorders are rare, they can have the same adverse consequences as previously described. The disturbances are characterized by poor wetting of the capillary structure of the wick by the liquid material and preferably occur locally in relation to the capillary gap peripheral regions of the wick.
    The invention has for its object to overcome the above-mentioned disadvantages of the known from the prior art arrangement. The invention is in particular the object of an inhaler component of the type described in such a way that the wick is infiltrated by the liquid material as quickly as possible, and no unpleasant long waiting times occur. Local disturbances of infiltration should also be avoided. All this should be achieved as possible without additional construction costs. The manufacturing costs of the inhaler component should also not increase.
    The object is solved by the characterizing features of claim 1. Thus, the inhaler component has a second capillary gap which receives the second end portion of the wick therein. The wick is thus supplied from two sides with the liquid material. This can at least halve the time to complete wick infiltration compared to conventional one-sided care. Taking into account that the infiltration of the wick with the liquid material degressive-proportional, that is, at the beginning comparatively fast and then delayed, then it is clear that the waiting time until the complete infiltration of the wick by the inventive arrangement to significantly more than 50% shorten. With regard to the supply security of the wick, similarly favorable effects result: the regions of the wick that are particularly vulnerable, peripheral with respect to the first capillary gap, can now be safely supplied with the liquid material over a short distance from the second capillary gap. 4
    In a preferred embodiment of the invention it is provided that the first and second capillary gaps are connected to each other via a third capillary gap. The first and second capillary gaps thus communicate with one another via the third capillary gap. As a result, any uneven supply of the first and second capillary gaps to the liquid material can be compensated, and the supply reliability of the wick can be further improved.
    According to the invention, it is further provided that one of the capillary gaps can be capillary coupled or coupled to a liquid container containing the liquid material. This capillary gap may be, for example, the first capillary gap. In this case, the second capillary gap would be supplied with the liquid material exclusively via the third Kapillarspait. Alternatively, it could also be provided that the third capillary gap is capillary coupled or coupled to the liquid container. In this case, the first and the second capillary gap would be supplied with the liquid material via the third capillary gap.
    Constructively particularly simple conditions arise when all capillary gaps are arranged in a common plane. A further constructive simplification is achieved in that all capillary gaps of a plate, preferably printed circuit board, and a flat on the plate, at least one recess having top part are formed. In this preferred embodiment of the invention, only two components are required to form all the capillary gaps. The printed circuit board also serves for the supply of electrical energy to, in this case, electric heating element. Further structurally advantageous effects arise when the plate or circuit board is designed as a multilayer so-called multilayer printed circuit board. The conductors supplying the electric current can thus be concentrated in layers which do not affect the capillary gaps. According to the invention, the recess in the upper part is at least partially bounded by one or more ventilation grooves. The ventilation grooves have the advantageous effect that the liquid material stored in the capillary gaps can be utilized more effectively than buffer volume. * *
    In a further embodiment of the invention, it is provided that the first capillary gap can be coupled or coupled to a first liquid container containing the liquid material, and the second capillary gap can be coupled or coupled to a second liquid container containing the liquid material. By providing two substantially independent liquid containers, the supply reliability of the wick with the liquid material can be further increased.
    Advantageous and advantageous embodiments of the invention are illustrated in the drawings and are explained in more detail in the following description.
    Show it;
    1 shows an inhaler component according to the invention in various views;
    FIG. 2 shows a longitudinal section through the inhaler component according to FIG. 1 at the level of the planar composite; FIG.
    Fig. 3 is a sectional view of the inhaler component along the line A-A in Fig. 2; 4 shows detail a from FIG. 3 in an enlarged view;
    Fig. 5 is a sectional view of the inhaler component taken along the line B-B in Fig. 2; 6 shows the printed circuit board together with flat composite;
    FIG. 7 shows the printed circuit board together with the laminar composite joined together with the upper part forming the capillary gaps; FIG.
    8 shows the capillary gaps forming upper part in two views.
    9 shows an inhaler component according to the invention in an alternative embodiment in a view analogous to FIG
    Fig. 1 shows a first embodiment of an inhaler component according to the invention. The inhaler component is formed in the concrete example as a replaceable part of the inhaler and coupled via a snap connection 1 with a not reiterated reusable inhaler part. The inhaler component together with the reusable inhaler part form the inhaler. The inhaler component consists of a housing 2 and further comprises a mouthpiece 3, via which the user of the inhaler relates the vapor-air mixture and / or condensation aerosol.
    FIGS. 2-5 provide further information about the internal structure of the inhaler component. Accordingly, located in the housing 2, a support plate 4, which is preferably designed as a printed circuit board. The printed circuit board 4 carries a laminar composite 5. The planar composite 5 consists of a wick 7 and an electric heating element 6, which are connected to each other areally or integrated with each other. The laminar composite 5 can be formed, for example, by a metal foil and metal fabric layers sintered thereon. The sheet-like composite 5 may alternatively also consist of an open-pored metal foam. The open-pore capillary structure of the fabric layers sintered onto the metal foil or of the metal foam forms the wick 7, and the electrical resistance of the metal forms the heating element 6. Suitable metallic
    Resistance materials are, for example, stainless steels such as AISI 304 or AISI 316 as well as heating conductor alloys, in particular NiCr alloys.
    The sheet-like composite 5 and the wick 7 formed by it have two mutually remote end portions 7a and 7b. The laminar composite 5 superimposed with these end portions on the circuit board 4. The planar composite 5 is further contacted in the region of the end portions 7a and 7b on conductor tracks of the printed circuit board 4 electrically. The electrical contacting of the planar composite 5 or of the resistance heating element 6 formed by it can consist, for example, of an adhesive bond by means of an electrically conductive adhesive, for example by means of a silver-containing epoxy-based adhesive. The circuit board 4 protrudes from the outer surface of the housing 2 in the form of two plug contacts 8a and 8b. The two plug contacts 8a and 8b 7 serve to introduce the electrical energy into the inhaler component. The electrical energy is supplied to the electrical resistance heating element 6 via conductor tracks formed by the printed circuit board 4. The printed circuit board 4 is preferably designed as a multilayer so-called multilayer printed circuit board. The printed conductors are thus present in several layers. The advantages of this special embodiment of the printed circuit board will be discussed in more detail later. The electrical energy is preferably obtained from the reusable inhaler part. The reusable inhaler part for this purpose includes a battery and an electrical control circuit for controlling the power supply.
    On the circuit board 4 a recess or recess 10 having a top surface 9 is flat - see Fig. 3-8. The recess 10 is shown in Fig. 8 as a black area. The recess 10 has a depth of typically 0.2 mm and forms a capillary gap in cooperation with the surface of the printed circuit board 4. The capillary gap is shown schematically in FIG. 2 as a black surface and is composed of three sections: a first capillary gap 11a, in which the laminar composite 5 or wick 7 projects with its end section 7a; a second capillary gap 11b, in which the laminar composite 5 or wick 7 protrudes with its end portion 7b; and a third capillary gap 11c connecting the first capillary gap 11a to the second capillary gap 11b. The first capillary gap 11a is connected to a housing 2 formed by or arranged in this liquid container 12 in connection. The liquid container 12 stores a liquid material 13. The capillary forces in the capillary gap 11a draw the liquid material 13 from the liquid container 12 into the capillary gap 11a. The liquid material 13 first reaches the end portion 7a of the planar composite 5. There, the liquid material 13 wets the capillary structure of the wick 7, whereafter the wick 7 can be further infiltrated with liquid material 13 from this side. In parallel, the liquid material 13 flows into the capillary gap 11c and finally passes over it to the capillary gap 11b, where it wets the capillary structure of the planar composite 5 or the wick 7 again in the end section 7b. The wick 7 is thus infiltrated from two sides with the liquid material 13. Since the flow resistance of the capillary gaps is much smaller than that
    Flow resistance of the wick 7, the infiltration of the wick 7 runs from both sides almost simultaneously or symmetrically. The infiltration time can be massively reduced compared to arrangements with only one-sided supply of the wick 7 (see WO 2010/045671).
    After the wick 7 or planar composite 5 is completely infiltrated with the liquid material 13, the electrical energy can be supplied to the electrical resistance heating element 6 via the conductor tracks of the printed circuit board 4, and the liquid material 13 is vaporized. So that the conductor tracks do not affect the capillary gaps as far as possible, it is advantageous to arrange the conductor tracks primarily on the back of the printed circuit board 4 and optionally in intermediate layers (multilayer printed circuit board) and to connect the individual printed conductors according to the prior art by means of so-called plated-through holes. The released vapor mixes in a chamber 14 arranged in the housing 2 with the air supplied through an air inlet opening 15 from the environment (see Figs. 3-5) and forms the vapor-air mixture and / or condensation aerosol, which hereafter on the Mouthpiece 3 can be delivered to a user.
    According to FIG. 8, the recess 10 in the upper part 9 is bounded by a first ventilation groove 16a in the area of the first capillary gap 11a and by a second ventilation groove 16b in the region of the second capillary gap 11b. In Fig. 2, the ventilation grooves 16a and 16b are shown schematically by dashed lines and shown in Fig. 5 in cross section. The ventilation groove 16a extends to the liquid container 12 and ensures that each removed from the liquid container 12 volume of liquid material 13 is replaced by an equal volume of air. The vent grooves 16a and 16b receive the air through vent holes 17a and 17b formed from the top 9, which in turn communicate with the chamber 14 via connection channels 18a and 18b formed by the case 2. The connection channels 18a and 18b are shown schematically in broken lines in FIG. The mouth of the connecting channel 18a into the chamber 14 is shown in Fig. 4. 9 • »
    As a material for the circuit board 4 are basically all known PCB materials, in particular the material types FR1 to FR5. The upper part 9 is joined to the printed circuit board 4 by an adhesive bond and preferably also consists of a plastic. It is essential that the surfaces of the circuit board 4 and the upper part 9 are well wetted by the liquid material 13. As liquid material 13, preference is given to using highly dilute ethanolic and / or aqueous solutions in which the actual active substances, aerosol-forming substances, aroma substances and, if appropriate, further auxiliaries are dissolved or / and emulsified. The wettability and, incidentally, the bondability of the plastics can be significantly improved by a surface activation, for example by a plasma treatment with oxygen as the process gas.
    Fig. 9 shows an alternative embodiment of the inhaler component according to the invention. This embodiment differs from the arrangement according to FIG. 2 substantially in that a second liquid container 12b containing the liquid material 13 is provided, which is coupled or coupleable to the second capillary gap 11b. If a disturbance of the liquid supply occurs in the first supply path (liquid container 12a and capillary gap 11a), then the planar composite 5 or the wick 7 formed by it can still be sufficient via the second supply path (liquid container 12b, capillary gap 11b and possibly capillary gap 11c) be supplied with liquid material 13.
    In the following, further components of the inhaler component will be briefly described. Even though these constituents may not be directly relevant to the invention, the description of them nevertheless helps to better understand the function of the inhaler component according to the invention as a whole, and to ensure the feasibility of the invention even more reliably. As FIG. 2 shows by way of example, FIG Liquid container 12 on a front side a flap-like, openable closure 19. The openable closure 19 in its closed position hermetically closes off the liquid container 12 towards the outside. Only after opening the openable closure 19, the liquid material 13 can wet the capillary gap 11a and by the in
    Capillary gap acting capillary forces then further to the laminar composite 5 penetrate and finally the wick 7 of the planar composite 5 infiltrate. The openable closure 19 is opened by means of a pin 20 mounted axially displaceably in the housing 2 (FIGS. 3 and 5). A first end of the pin 20 is directed against the openable shutter 19. A second end projects out of the outer surface of the housing 2 in the manner of a projection when the closure 19 is still closed. The second end of the pin 20 communicates with the reusable inhaler member in a plunger-like operative connection. In the course of the coupling of the inhaler component with the reusable inhaler part, the pin 20 is displaced into the housing 2, whereby the first end of the pin 20 presses against the openable closure 19. The openable closure 19 has on its periphery on a material weakening, which is dimensioned so that it ruptures upon pressurization by the pin 20 equal to a predetermined breaking point over a wide peripheral region, but forms a hinge on one side. In this way, the openable closure 19 is caused to open like a flap.
    FIGS. 2-5 also show a chamber 14 disposed in the chamber
    Condensate binding device consisting of two open-pored, absorbent sponges 21a and 21b. The sponges 21a and 21b trap condensate deposits formed in their pores of the vapor phase and prevent the inhaler component, particularly in the chamber 14, from forming freely mobile condensate collections which could affect the function of the inhaler component but also at risk to the user and the user Environment, provided they contain drug residues or poisons such as nicotine. The two sponges 21a and 21b largely cover the inner walls of the chamber 14, with the sponge 21a extending to the mouth of the air inlet opening 15. This is to prevent condensate deposits from getting into the relatively narrow slot-shaped air inlet opening 15, which could obstruct the air flow. In an alternative arrangement, the air inlet port 15 could also be formed directly by the sponges 21a and 21b. The sponges 21a and 21b are preferably made of fine-pored, highly porous fiber composites. The company • «• ·» * * ♦ · * »« «· 11
    Filtrona Richmond Inc., www.filtronaporoustechnologies.com, specializes in the production of such fiber composites using both triacetin-bonded cellulose acetate fibers and thermally bonded polyolefin and polyester fibers.
    As shown in Fig. 2-3, the sponges 21 a and 21 b downstream of a cooler 22 which is integrated in the concrete embodiment in the preferably interchangeable mouthpiece 3 and consists of a porous filler 23, the pores of the formed vapor-air mixture or /and
    Flow through the condensation aerosol. The cooler 22 cools the steam-air mixture flowing through and / or condensation aerosol, thereby removing further condensate from it. As a result, the organoleptic properties of the user recorded steam-air mixture and / or condensation aerosol can be significantly improved. The filling material 23 may for example consist of a tobacco filling. Such a tobacco filling additionally causes aromatization of the steam-air mixture or condensation aerosol flowing through it and is particularly suitable when the liquid material 13 contains nicotine.
    Finally, it should be noted that the invention is of course not limited to a flat composite 5 according to the embodiments just described. The composite could also be formed linear. Furthermore, the composite could also be composed of a plurality of juxtaposed composites or composite sections, it is irrelevant how the individual composites or composite sections are electrically interconnected. In this context, it should be noted that can be realized by means of the circuit board 4 according to the invention both series circuits and parallel circuits simplest. Finally, the invention also includes devices in which the heating element is arranged separately from the wick. For example, the wick could be formed flat, and the heating energy by electromagnetic waves, in particular heat radiation or microwaves are transmitted to the wick.
    REFERENCE SIGNS LIST 1 snap connection 2 housing 3 mouthpiece 4 support plate, printed circuit board 5 laminar composite 6 heating element, resistance heating element 7 wick 7a, 7b end portions of the wick 8a, 8b plug contacts 9 upper part 10 recess 11a first capillary 11b second capillary 11c third capillary 12 liquid container 12a first liquid container 12b second Liquid tank 13 Liquid material 14 Chamber 15 Air inlet opening 16a, 16b Ventilation grooves 17a, 17b Ventilation holes 18a, 18b Connection channels 19 Openable closure 20 Pins 21a, 21b Sponges 22 Coolers 23 Filling material
    权利要求:
    Claims (9)
    [1]
    Claims 1. An inhaler component for forming a vapor-air mixture or / and condensation aerosol by evaporation of a liquid material (13) and optionally condensing the vapor formed, comprising: a heating element (6) for evaporating a portion of the liquid material (13); a wick (7) for automatically supplying the heating element (6) with the liquid material (13), which wick (7) has at least two mutually remote end portions (7a, 7b); a first capillary gap (11a) for automatically supplying the wick (7) with the liquid material (13), a first end portion (7a) of the wick (7) projecting into the first capillary gap (11a), characterized by a second capillary gap (11b ) receiving the second end portion (7b) of the wick (7).
    [2]
    2. inhaler component according to claim 1, characterized in that the first and second Kapillarspatt (11 a, 11 b) via a third capillary gap (11 c) are interconnected.
    [3]
    3. inhaler component according to claim 2, characterized in that one of the capillary gaps (11a, 11b, 11c) with a liquid material (13) containing liquid container (12) is coupled or coupled capillary.
    [4]
    4. inhaler component according to claim 1 or 2, characterized in that all the capillary gaps (11a, 11b, 11c) are arranged in a common plane.
    [5]
    5. inhaler component according to claim 4, characterized in that all the capillary gaps (11 a, 11 b, 11 c) of a plate, preferably

    Printed circuit board (4), and on the plate surface mounted, at least one recess (10) exhibiting upper part (9) are formed.
    [6]
    6. inhaler component according to claim 5, characterized in that the plate or printed circuit board (4) is designed as a multilayer so-called multilayer printed circuit board.
    [7]
    7. inhaler component according to claim 5, characterized in that the recess (10) at least partially bounded by one or more ventilation grooves (16a, 16b).
    [8]
    8. inhaler component according to claim 1 or 2, characterized in that the first capillary gap (11a) with a liquid material (13) containing the first liquid container (12a) is coupled or coupled, and the second capillary gap (11b) with a liquid Material (13) containing second liquid container (12b) is coupled or coupled.
    [9]
    9. An inhaler comprising an inhaler component according to any one of claims 1-8.
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    同族专利:
    公开号 | 公开日
    AT510405B1|2012-04-15|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    WO2003083283A1|2002-03-22|2003-10-09|Chrysalis Technologies, Inc.|Apparatus and method for preparing and delivering fuel|
    WO2005106350A2|2004-04-23|2005-11-10|Philip Morris Usa Inc.|Aerosol generators and methods for producing aerosols|
    CH698603B1|2005-04-29|2009-09-15|Burger Soehne Man Ag|Portable inhaler especially for nicotine has micro plate heater fed by capillary from integral reservoir|
    AT507187B1|2008-10-23|2010-03-15|Helmut Dr Buchberger|INHALER|US9961939B2|2013-05-02|2018-05-08|Nicoventures Holdings Limited|Electronic cigarette|
    US10010695B2|2011-02-11|2018-07-03|Batmark Limited|Inhaler component|
    US10045562B2|2011-10-21|2018-08-14|Batmark Limited|Inhaler component|
    US10111466B2|2013-05-02|2018-10-30|Nicoventures Holdings Limited|Electronic cigarette|
    US10314335B2|2013-05-02|2019-06-11|Nicoventures Holdings Limited|Electronic cigarette|
    US10426193B2|2013-06-04|2019-10-01|Nicoventures Holdings Limited|Container|
    US10543323B2|2008-10-23|2020-01-28|Batmark Limited|Inhaler|
    US10765147B2|2014-04-28|2020-09-08|Batmark Limited|Aerosol forming component|
    US10881138B2|2012-04-23|2021-01-05|British American TobaccoLimited|Heating smokeable material|
    US11051551B2|2011-09-06|2021-07-06|Nicoventures Trading Limited|Heating smokable material|
    US11083856B2|2014-12-11|2021-08-10|Nicoventures Trading Limited|Aerosol provision systems|
    US11253671B2|2011-07-27|2022-02-22|Nicoventures Trading Limited|Inhaler component|
    法律状态:
    2013-01-15| PC| Change of the owner|Owner name: BATMARK LIMITED, GB Effective date: 20121129 |
    2021-05-15| PC| Change of the owner|Owner name: NICOVENTURES TRADING LIMITED, GB Effective date: 20210319 |
    优先权:
    申请号 | 申请日 | 专利标题
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    CN201280008323.4A| CN103491815B|2011-02-11|2012-02-02|Inhalator assembly|
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    PCT/AT2012/000017| WO2012106739A1|2011-02-11|2012-02-02|Inhaler component|
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