EP2138058A1 - Smoke-free cigarette - Google Patents
Smoke-free cigarette Download PDFInfo
- Publication number
- EP2138058A1 EP2138058A1 EP08013799A EP08013799A EP2138058A1 EP 2138058 A1 EP2138058 A1 EP 2138058A1 EP 08013799 A EP08013799 A EP 08013799A EP 08013799 A EP08013799 A EP 08013799A EP 2138058 A1 EP2138058 A1 EP 2138058A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- nicotine
- smoke
- cigarette
- heat
- cigarette according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 235000019504 cigarettes Nutrition 0.000 title claims abstract description 78
- 229960002715 nicotine Drugs 0.000 claims abstract description 66
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 claims abstract description 66
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 claims abstract description 63
- MFUVDXOKPBAHMC-UHFFFAOYSA-N magnesium;dinitrate;hexahydrate Chemical compound O.O.O.O.O.O.[Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MFUVDXOKPBAHMC-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000002425 crystallisation Methods 0.000 claims abstract description 24
- 230000008025 crystallization Effects 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 235000017281 sodium acetate Nutrition 0.000 claims abstract description 17
- BDKLKNJTMLIAFE-UHFFFAOYSA-N 2-(3-fluorophenyl)-1,3-oxazole-4-carbaldehyde Chemical compound FC1=CC=CC(C=2OC=C(C=O)N=2)=C1 BDKLKNJTMLIAFE-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 16
- 229940087562 sodium acetate trihydrate Drugs 0.000 claims abstract description 16
- RSIJVJUOQBWMIM-UHFFFAOYSA-L sodium sulfate decahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]S([O-])(=O)=O RSIJVJUOQBWMIM-UHFFFAOYSA-L 0.000 claims abstract description 14
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims abstract description 13
- 239000010446 mirabilite Substances 0.000 claims abstract description 13
- 229910052938 sodium sulfate Inorganic materials 0.000 claims abstract description 12
- 235000011152 sodium sulphate Nutrition 0.000 claims abstract description 12
- 150000001875 compounds Chemical class 0.000 claims abstract description 9
- 241000208125 Nicotiana Species 0.000 claims abstract description 8
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims abstract description 8
- -1 nicotine compound Chemical class 0.000 claims abstract description 3
- 239000000758 substrate Substances 0.000 claims description 15
- 150000003839 salts Chemical class 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 238000010297 mechanical methods and process Methods 0.000 claims description 2
- 230000005226 mechanical processes and functions Effects 0.000 claims description 2
- 230000000391 smoking effect Effects 0.000 claims description 2
- 239000012530 fluid Substances 0.000 abstract 2
- 230000008569 process Effects 0.000 description 11
- 230000004913 activation Effects 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 4
- IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Chemical compound [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000005338 heat storage Methods 0.000 description 3
- 230000000977 initiatory effect Effects 0.000 description 3
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 235000019506 cigar Nutrition 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 229910013553 LiNO Inorganic materials 0.000 description 1
- 229910019427 Mg(NO3)2-6H2O Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229940040526 anhydrous sodium acetate Drugs 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000004691 decahydrates Chemical class 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D1/00—Cigars; Cigarettes
- A24D1/22—Cigarettes with integrated combustible heat sources, e.g. with carbonaceous heat sources
Definitions
- the present invention relates to a smoke-free cigarette.
- Smoke-free cigarettes are known in numerous different embodiments from the prior art.
- a smoke-free cigarette that has a heat pipe that is heated by the flame of a lighter. Due to its high heat capacity, the heat pipe releases heat over a sufficiently long period of time so that the stimulant contained in a reservoir can evaporate.
- a smoke-free cigarette which has a nicotine depot and which is characterized in that a heating of the guided through the nicotine depot airflow to release the nicotine is not required.
- the nicotine reservoir contains a carrier that is already in its gas phase at ambient temperature.
- the WO 2007/054167 A1 relates to a smokeless cigarette having a heater running with a current-carrying heating wire for heating a reservoir from which nicotine is released.
- the DE 10 2006 047 146 A1 relates to a smoke-free cigarette with a heat storage for heating a nicotine-containing insert wherein the heat storage is heated by a burner.
- a smoke-free cigarette which has a heat storage for heating a nicotine-containing reservoir, which is heated by a filament.
- the DE 690 12 823 T2 relates to a smokeless cigarette containing a nicotine-containing granules, which the user can take through a sleeve in the mouth.
- a non-smoking cigarette with a reusable and a non-reusable part which has a heating source, for example comprising a heating wire, or which may be made such that the heat is generated by a crystallization process or by a chemical reaction.
- a heating source for example comprising a heating wire, or which may be made such that the heat is generated by a crystallization process or by a chemical reaction.
- the present invention has for its object to provide a smoke-free cigarette, which is relatively simple and leads to an effective heating of the inhaled by a user air and / or the nicotine reservoir.
- the cigarette has a self-sufficient heat unit for generating heat and a nicotine reservoir in which nicotine or a nicotine-containing compound is located.
- the heating unit is designed to comprise a liquid containing sodium acetate trihydrate and / or sodium sulfate and / or Glauber's salt and / or magnesium nitrate hexahydrate, which is present in the thermal unit in a metastable, supersaturated form and in the crystallization of the sodium acetate trihydrate , sodium sulphate, Glauber's salt and / or magnesium nitrate hexahydrate gives off heat.
- the solution or liquid in question is present in a metastable, supersaturated state, at least at ambient temperature, so that crystallization can be initiated even at ambient temperature.
- heat is released by the crystallization of one or more of the substances mentioned, which serves to heat the nicotine reservoir and to promote the release of the nicotine and / or to heat the air inhaled by the user.
- the cigarette further has a triggering mechanism to be actuated by a user, which initiates the crystallization. It can be provided that the crystallization is initiated by a mechanical process.
- the triggering mechanism is formed by a small plate projecting into the solution, preferably a metal plate. Due to the activation or movement of this plate or of the clip, the activation or the initiation of the crystallization takes place. Due to the crystallization process, heat is continuously released over a certain period of time, which - as stated - Used to heat the nicotine reservoir and / or to heat the air inhaled by the user.
- the heat unit is present in a hollow cylindrical space in the interior of which the nicotine reservoir is located.
- the heat unit and the nicotine reservoir are arranged directly or indirectly one behind the other in the longitudinal direction of the cigarette.
- the nicotine reservoir may be in the form of a substrate having on its surface the nicotine or nicotine-containing compound, or in the form of a substrate containing the nicotine or nicotine-containing compound. It is conceivable that the substrate is tobacco and in particular tobacco enriched with nicotine or a nicotine compound.
- the nicotine reservoir is arranged such that it can be heated by the heating unit.
- the heating of the nicotine reservoir may cause the nicotine to evaporate more readily, desorb or otherwise detach from the substrate, and thus be more easily conducted into the airflow generated by the user.
- an embodiment of the invention is that the air flow generated by the user can be heated by the heating unit. This results in a more pleasant feeling compared to a cold air stream to be inhaled by the user.
- the cigarette may have a filter which essentially serves to limit the flow of air through the cigarette. Alternatively or additionally, it may be provided that the filter serves to retain substances which are not intended to reach the air inhaled by the user.
- the cigarette may have a jacket surrounding the thermal unit.
- Such an embodiment of the invention has the advantage that the user does not directly contact the heating unit, but the sheath, which preferably has a heat-insulating effect, so that their temperature is below the temperature of the heat unit.
- the present invention further relates to a smoke-free cigarette with a self-sufficient heat unit for generating heat and with a nicotine reservoir in which nicotine or a nicotine-containing compound is located, wherein the heat unit is arranged so that it surrounds the nicotine reservoir at least in sections , It is thus conceivable that the heat unit is closer to the outside of the cigarette than the nicotine reservoir. In the case of a preferably circular in cross-section running cigarette can thus be provided that the heat unit is located in a region which is located in the radial direction further out than the nicotine reservoir.
- the present invention further relates to a method for filling a smoke-free cigarette according to any one of claims 1 to 13. It is provided that the sodium acetate trihydrate and / or the sodium sulfate and / or the Glauber's salt and / or the magnesium nitrate hexahydrate heated to a temperature be in which the salt at least partially dissolves and that the solution is then filled in the space provided for receiving the heat unit of the cigarette.
- the sodium acetate trihydrate and / or the sodium sulfate and / or the Glauber's salt and / or the magnesium nitrate hexahydrate are heated to a temperature at which the salt at least partially dissolves in its own water of crystallization.
- the cigarette may have a closure element, in particular a cap or the like.
- the closure member seals the end of the cigarette which is spaced from the end in use in the mouth. It is therefore conceivable that the one end of the cigarette is formed through the mouthpiece or through the mouth portion of the cigarette and that the other end is closed by the cap.
- the closure can be airtight.
- the smoke-free cigarette according to the present embodiment in FIG. 1 should provide the smoker with nicotine, but preferably not pollutants and carcinogenic substances.
- the smoke-free cigarette 10 comprises a casing 12, a self-sufficient heating unit 14, a nicotine-containing substrate 16 and a mouthpiece 18.
- the smoke-free cigarette further includes a release mechanism not shown in detail, which serves to initiate the crystallization, is discharged in the heat.
- the initiation of the crystallization process is carried out by a protruding into the solution metal clip, which is mechanically operated and by the crystallization in progress or is accelerated.
- the smoke-free cigarette 10 further comprises a jacket 12 surrounding the heat unit 14 on its outer side.
- This consists of a double-coated plastic film, in the interior of which there is the crystalline or liquid to be crystallized, which is able to store heat.
- this heat can be released again by actuating an integrated metal plate, so that the entire unit heats up to about 45 to 55 ° C and continuously gives off heat for about 5 to 10 minutes.
- These values are exemplary values.
- the temperature and the time during which heat is given off can be adjusted, for example, via the amount of salt to be crystallized.
- the heat unit is dimensioned such that it releases heat over at least one minute, preferably in the range of 2 to 4 minutes.
- the sheath 12 surrounds according to the embodiment shown in the drawing, only the heat unit, but not the mouthpiece. In principle, however, it is also conceivable to guide the casing 12 over the entire length of the smoke-free cigarette and thus also via the mouthpiece 18.
- the air flow is passed through the tobacco 16 and thereby heated due to the heat generated by the heat unit 14 over the effective length.
- the air stream absorbs the vaporizing nicotine along with flavorings and is passed through the mouthpiece 18, which can also serve as a filter.
- the mouthpiece 18 limits the flow of air and is dimensioned so that maximum Nikkungrenzire not be reached or exceeded.
- the smoke-free cigarette 10 according to the present invention works without heat or energy from outside and is thus self-sufficient.
- the smoke-free cigarette of the present invention is designed so that it is immediately ready for action, if the user so desires.
- the crystallization After activation of the heating unit by actuation of the above-mentioned and not shown in the drawing clips, preferably metal clips, the crystallization begins in the supersaturated, metastable solution. It may be, for example, a solution of sodium acetate trihydrate (CH 3 COONa 3 H 2 O) in liquid. The heat of crystallization released in the exothermic reaction is released in several steps.
- the sodium acetate trihydrate spontaneously crystallizes and releases the heat stored in the unit in the form of latent heat (CH 3 COO - (aq.) + Na + (aq.) ⁇ CH 3 COONa 3 H 2 O (solid) plus Heat), the ions present in the unit initially forming the ion lattice.
- the water molecules occupy sites defined in the interstices of the thus formed ion lattice, precisely aligning their dipoles. In this way, the water molecules form a lattice in the crystal lattice.
- the heat released in the crystallization thus consists, on the one hand, of the latent heat of the salt, that is, of its heat of solution or heat of crystallization.
- heat is generated in the strongly exothermic formation of the water molecule lattice that proceeds in parallel. This heat of formation of the hydrate is also a latent heat.
- sodium sulfate or the so-called Glauber's salt that is the decahydrate (Na 2 SO 4 10 H 2 O) can be used.
- the mouthpiece 18 ensures a constant draft within the cigarette.
- the jacket 12 of the cigarette serves on the one hand to prevent direct contact with the heat source in the form of the heat unit 14 and / or is designed such that it looks like a conventional cigarette.
- the air flow is passed through the tobacco. He is heated over the effective length and takes on the vaporizing nicotine along with flavors. This draft is then passed through the mouthpiece 18.
- the mouthpiece can be used to limit the air flow and / or as a filter that retains certain substances. It is conceivable that the filter is designed in such a way that maximum nicotine limit values are not achieved.
- the salt is first heated. At first, the crystal water grating collapses. At the same time also ion grid is destroyed. This process takes place when the salt is heated to a temperature of approx. 58 ° C.
- This process is a dissolution process.
- FIG. 2 As a difference from the embodiment according to FIG. 1 is according to FIG. 2 provided that the end of the cigarette 10 spaced from the mouthpiece 18 is closed by a capping 20. Before use, the user disconnects or tears off the cap 20 from the cigarette 10, with the result that air can be drawn through the cigarette 10 or through the nicotine-containing substrate 16.
- FIG. 3 Such a design of the cigarette is off FIG. 3 seen.
- the nicotine-containing substrate 16 Between heat unit 14 and mouthpiece 18 is the nicotine-containing substrate 16. Also in the embodiment according to FIG. 3
- the heat unit 14 is closed by the cap 20, which prevents the ingress of air to the substrate 16 until it is removed by the user.
- FIG. 3 it is further apparent that the heating unit 14 is penetrated by air channels 15. These extend in the longitudinal direction of the cigarette 10.
- the feature that in the heat unit 14, one or more air ducts 15 are arranged to improve the air supply or even to allow, is not on the embodiment according to FIG. 3 limited, but is a fundamentally possible embodiment of the present invention.
- the present invention not only concerns cigarettes in the true sense, but also cigars.
- the term "cigarette” thus stands for both cigarettes and cigars.
Abstract
Description
Die vorliegende Erfindung betrifft eine rauchfreie Zigarette.The present invention relates to a smoke-free cigarette.
Rauchfreie Zigaretten sind in zahlreichen unterschiedlichen Ausführungsformen aus dem Stand der Technik bekannt.Smoke-free cigarettes are known in numerous different embodiments from the prior art.
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Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine rauchfreie Zigarette bereitzustellen, die vergleichsweise einfach aufgebaut ist und zu einer effektiven Erwärmung der durch einen Benutzer eingeatmeten Luft und/oder des Nikotin-Reservoirs führt.The present invention has for its object to provide a smoke-free cigarette, which is relatively simple and leads to an effective heating of the inhaled by a user air and / or the nicotine reservoir.
Diese Aufgabe wird durch eine rauchfreie Zigarette mit den Merkmalen des Anspruchs 1 gelöst.This object is achieved by a smoke-free cigarette with the features of claim 1.
Erfindungsgemäß ist vorgesehen, dass die Zigarette eine autarke Wärmeeinheit zur Erzeugung von Wärme sowie ein Nikotin-Reservoir aufweist, in dem sich Nikotin oder eine nikotinhaltige Verbindung befindet. Die Wärmeeinheit ist derart ausgeführt, dass sie eine Natriumacetat-Trihydrat und/oder Natriumsulfat und/oder Glaubersalz und/oder Magnesiumnitrat-Hexahydrat enthaltende Flüssigkeit aufweist, die in der Wärmeeinheit in einer metastabilen, übersättigten Form vorliegt und die bei der Kristallisation des Natriumacetat-Trihydrats, des Natriumsulfates, des Glaubersalzes und/oder des Magnesiumnitrat-Hexahydrats Wärme abgibt.According to the invention it is provided that the cigarette has a self-sufficient heat unit for generating heat and a nicotine reservoir in which nicotine or a nicotine-containing compound is located. The heating unit is designed to comprise a liquid containing sodium acetate trihydrate and / or sodium sulfate and / or Glauber's salt and / or magnesium nitrate hexahydrate, which is present in the thermal unit in a metastable, supersaturated form and in the crystallization of the sodium acetate trihydrate , sodium sulphate, Glauber's salt and / or magnesium nitrate hexahydrate gives off heat.
Vorzugsweise ist vorgesehen, dass die fragliche Lösung bzw. Flüssigkeit zumindest bei Umgebungstemperatur in einem metastabilen, übersättigten Zustand vorliegt, so dass auch bei Umgebungstemperatur die Kristallisation ausgelöst werden kann.It is preferably provided that the solution or liquid in question is present in a metastable, supersaturated state, at least at ambient temperature, so that crystallization can be initiated even at ambient temperature.
Erfindungsgemäß ist somit vorgesehen, dass durch die Kristallisation einer oder mehrerer der genannten Substanzen Wärme freigesetzt wird, die dazu dient, das Nikotin-Reservoir zu erwärmen und die Freisetzung des Nikotins zu fördern und/oder dazu, die seitens des Nutzers eingeatmete Luft zu erwärmen.According to the invention it is thus provided that heat is released by the crystallization of one or more of the substances mentioned, which serves to heat the nicotine reservoir and to promote the release of the nicotine and / or to heat the air inhaled by the user.
In weiterer Ausgestaltung der Erfindung ist vorgesehen, dass die Zigarette des Weiteren einen durch einen Nutzer zu betätigenden Auslösemechanismus aufweist, der die Kristallisation initiiert. Dabei kann vorgesehen sein, dass die Kristallisation durch einen mechanischen Vorgang initiiert wird.In a further embodiment of the invention it is provided that the cigarette further has a triggering mechanism to be actuated by a user, which initiates the crystallization. It can be provided that the crystallization is initiated by a mechanical process.
Denkbar ist es, dass der Auslösemechanismus durch ein in die Lösung hineinragendes Plättchen, vorzugsweise ein Metallplättchen, gebildet wird. Aufgrund der Aktivierung bzw. Bewegung dieses Plättchens bzw. des Clips erfolgt die Aktivierung bzw. die Initiierung der Kristallisation. Aufgrund des Kristallisationsvorgangs wird über einen bestimmten Zeitraum kontinuierlich Wärme abgegeben, die - wie ausgeführt - zur Erwärmung des Nikotin-Reservoirs und/oder zur Erwärmung der seitens des Nutzers eingeatmeten Luft dient.It is conceivable for the triggering mechanism to be formed by a small plate projecting into the solution, preferably a metal plate. Due to the activation or movement of this plate or of the clip, the activation or the initiation of the crystallization takes place. Due to the crystallization process, heat is continuously released over a certain period of time, which - as stated - Used to heat the nicotine reservoir and / or to heat the air inhaled by the user.
In bevorzugter Ausgestaltung der Erfindung ist vorgesehen, dass die Wärmeeinheit in einem hohlzylinderförmig ausgeführten Raum vorliegt, in dessen Innenraum sich das Nikotin-Reservoir befindet. Alternativ dazu kann vorgesehen sein, dass die Wärmeeinheit und das Nikotin-Reservoir in Längsrichtung der Zigarette unmittelbar oder mittelbar hintereinander angeordnet sind.In a preferred embodiment of the invention, it is provided that the heat unit is present in a hollow cylindrical space in the interior of which the nicotine reservoir is located. Alternatively, it can be provided that the heat unit and the nicotine reservoir are arranged directly or indirectly one behind the other in the longitudinal direction of the cigarette.
Das Nikotin-Reservoir kann in Form eines Substrates vorliegen, auf dessen Oberfläche sich das Nikotin oder die nikotinhaltige Verbindung befindet, oder auch in Form eines Substrates, das das Nikotin oder die nikotinhaltige Verbindung enthält. Denkbar ist es, dass es sich bei dem Substrat um Tabak und insbesondere um mit Nikotin oder einer Nikotinverbindung angereicherten Tabak handelt.The nicotine reservoir may be in the form of a substrate having on its surface the nicotine or nicotine-containing compound, or in the form of a substrate containing the nicotine or nicotine-containing compound. It is conceivable that the substrate is tobacco and in particular tobacco enriched with nicotine or a nicotine compound.
Vorzugsweise ist das Nikotin-Reservoir derart angeordnet, dass es durch die Wärmeeinheit erwärmbar ist. Die Erwärmung des Nikotin-Reservoirs kann dazu führen, dass das Nikotin leichter verdampft bzw. von dem Substrat desorbiert oder anderweitig abgelöst wird und somit entsprechend auch leichter in den seitens des Nutzers erzeugten Luftstrom geführt wird.Preferably, the nicotine reservoir is arranged such that it can be heated by the heating unit. The heating of the nicotine reservoir may cause the nicotine to evaporate more readily, desorb or otherwise detach from the substrate, and thus be more easily conducted into the airflow generated by the user.
Wie oben ausgeführt, besteht alternativ oder zusätzlich eine Ausführungsform der Erfindung darin, dass der von dem Nutzer erzeugte Luftstrom durch die Wärmeeinheit erwärmbar ist. Dies führt gegenüber einem kalten, vom Nutzer zu inhalierenden Luftstrom zu einem angenehmeren Gefühl.As stated above, alternatively or additionally, an embodiment of the invention is that the air flow generated by the user can be heated by the heating unit. This results in a more pleasant feeling compared to a cold air stream to be inhaled by the user.
Die Zigarette kann einen Filter aufweisen, der im wesentlichen dazu dient, den Luftdurchsatz durch die Zigarette zu limitieren. Alternativ oder zusätzlich kann vorgesehen sein, dass der Filter dazu dient, Stoffe zurückzuhalten, die nicht in die vom Nutzer inhalierte Luft gelangen sollen.The cigarette may have a filter which essentially serves to limit the flow of air through the cigarette. Alternatively or additionally, it may be provided that the filter serves to retain substances which are not intended to reach the air inhaled by the user.
Die Zigarette kann eine die Wärmeeinheit umgebende Ummantelung aufweisen. Eine solche Ausgestaltung der Erfindung bringt den Vorteil mit sich, dass der Nutzer die Wärmeeinheit nicht unmittelbar kontaktiert, sondern die Ummantelung, die vorzugsweise eine wärmedämmende Wirkung aufweist, so dass deren Temperatur unter der Temperatur der Wärmeeinheit liegt.The cigarette may have a jacket surrounding the thermal unit. Such an embodiment of the invention has the advantage that the user does not directly contact the heating unit, but the sheath, which preferably has a heat-insulating effect, so that their temperature is below the temperature of the heat unit.
Die vorliegende Erfindung betrifft des weiteren eine rauchfreie Zigarette mit einer autarken Wärmeeinheit zur Erzeugung von Wärme sowie mit einem Nikotin-Reservoir, in dem sich Nikotin oder eine nikotinhaltige Verbindung befindet, wobei die Wärmeeinheit derart angeordnet ist, dass sie das Nikotin-Reservoir wenigstens abschnittsweise umgibt. Denkbar ist es somit, dass sich die Wärmeeinheit näher an der Außenseite der Zigarette befindet als das Nikotin-Reservoir. Im Falle einer vorzugsweise im Querschnitt kreisförmig ausgeführten Zigarette kann somit vorgesehen sein, dass sich die Wärmeeinheit in einem Bereich befindet, der in radialer Richtung weiter außen liegt als das Nikotin-Reservoir.The present invention further relates to a smoke-free cigarette with a self-sufficient heat unit for generating heat and with a nicotine reservoir in which nicotine or a nicotine-containing compound is located, wherein the heat unit is arranged so that it surrounds the nicotine reservoir at least in sections , It is thus conceivable that the heat unit is closer to the outside of the cigarette than the nicotine reservoir. In the case of a preferably circular in cross-section running cigarette can thus be provided that the heat unit is located in a region which is located in the radial direction further out than the nicotine reservoir.
Bevorzugt ist es, wenn die Zigarette nach Anspruch 12 gemäß dem kennzeichnenden Teil eines der Ansprüche 1 bis 11 ausgeführt ist.It is preferred if the cigarette is designed according to
Die vorliegende Erfindung betrifft ferner ein Verfahren zum Befüllen einer rauchfreien Zigarette gemäß einem der Ansprüche 1 bis 13. Dabei ist vorgesehen, dass das Natriumacetat-Trihydrat und/oder das Natriumsulfat und/oder das Glaubersalz und/oder das Magnesiumnitrat-Hexahydrat auf eine Temperatur erhitzt werden, bei der das Salz wenigstens teilweise in Lösung geht und dass die Lösung sodann in den zur Aufnahme der Wärmeeinheit vorgesehenen Raum der Zigarette eingefüllt wird.The present invention further relates to a method for filling a smoke-free cigarette according to any one of claims 1 to 13. It is provided that the sodium acetate trihydrate and / or the sodium sulfate and / or the Glauber's salt and / or the magnesium nitrate hexahydrate heated to a temperature be in which the salt at least partially dissolves and that the solution is then filled in the space provided for receiving the heat unit of the cigarette.
Vorzugsweise kann vorgesehen sein, dass das Natriumacetat-Trihydrat und/oder das Natriumsulfat und/oder das Glaubersalz und/oder das Magnesiumnitrat-Hexahydrat auf eine Temperatur erhitzt werden, bei der das Salz wenigstens teilweise in seinem eigenen Kristallwasser in Lösung geht.It can preferably be provided that the sodium acetate trihydrate and / or the sodium sulfate and / or the Glauber's salt and / or the magnesium nitrate hexahydrate are heated to a temperature at which the salt at least partially dissolves in its own water of crystallization.
Die Zigarette kann ein Verschlusselement, insbesondere eine Kappe oder dergleichen aufweisen. Vorzugsweise verschließt das Verschlusselement das Ende der Zigarette, das von dem bei Benutzung im Mund befindlichen Ende beabstandet ist. Denkbar ist es somit, dass das eine Ende der Zigarette durch das Mundstück bzw. durch den im Mund befindlichen Abschnitt der Zigarette gebildet wird und dass das andere Ende durch die Kappe verschlossen wird. Der Verschluss kann luftdicht sein.The cigarette may have a closure element, in particular a cap or the like. Preferably, the closure member seals the end of the cigarette which is spaced from the end in use in the mouth. It is therefore conceivable that the one end of the cigarette is formed through the mouthpiece or through the mouth portion of the cigarette and that the other end is closed by the cap. The closure can be airtight.
Weitere Einzelheiten und Vorteile der Erfindung werden anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert.
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Figur 1 : eine rauchfreie Zigarette gemäß der vorliegenden Erfindung in einer Längsschnittdarstellung in einer ersten Ausführungsform, -
Figur 2 : eine rauchfreie Zigarette gemäß der vorliegenden Erfindung in einer Längsschnittdarstellung in einer zweiten Ausführungsform, -
Figur 3 : eine rauchfreie Zigarette gemäß der vorliegenden Erfindung in einer Längsschnittdarstellung in einer dritten Ausführungsform.
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FIG. 1 FIG. 2 shows a smoke-free cigarette according to the present invention in a longitudinal section in a first embodiment, FIG. -
FIG. 2 FIG. 2 shows a smoke-free cigarette according to the present invention in a longitudinal section in a second embodiment, FIG. -
FIG. 3 FIG. 2: shows a smoke-free cigarette according to the present invention in a longitudinal section in a third embodiment.
Die rauchfreie Zigarette gemäß dem vorliegenden Ausführungsbeispiel in
Die rauchfreie Zigarette weist des weiteren einen nicht näher dargestellten Auslösemechanismus auf, der zur Initiierung der Kristallisation dient, bei der Wärme abgegeben wird.The smoke-free cigarette further includes a release mechanism not shown in detail, which serves to initiate the crystallization, is discharged in the heat.
In dem zylindrischen Innenraum, der von der hohlzylinderförmig angeordneten oder ausgeführten Wärmeeinheit 14 umgeben ist, befindet sich herkömmlicher Tabak 16, der leicht mit Nikotin angereichert ist. Das Mundstück 18 sorgt für einen konstanten Luftzug innerhalb des Systems. Über einen nicht näher dargestellten Auslösemechanismus wird die Kristallisation in Gang gesetzt und dadurch der Wärmeabgabeprozess eingeleitet.In the cylindrical interior, which is surrounded by the hollow cylindrical arranged or running unit of
Die Einleitung des Kristallisationsprozesses erfolgt durch einen in die Lösung hineinragenden Metallclip, der mechanisch betätigt wird und durch die die Kristallisation in Gang bzw. beschleunigt wird.The initiation of the crystallization process is carried out by a protruding into the solution metal clip, which is mechanically operated and by the crystallization in progress or is accelerated.
Die rauchfreie Zigarette 10 umfasst des weiteren eine die Wärmeeinheit 14 auf ihrer Außenseite umgebende Ummantelung 12. Diese besteht aus einer zweifach ummantelten Kunststofffolie, in deren Inneren sich die kristalline bzw. zu kristallisierende Flüssigkeit befindet, die in der Lage ist, Wärme zu speichern. Wie ausgeführt, kann diese Wärme durch Betätigung eines integrierten Metallplättchens wieder freigesetzt werden, so dass sich die gesamte Einheit auf ca. 45 bis 55°C aufheizt und ca. 5 bis 10 Minuten lang kontinuierlich Wärme abgibt. Bei diesen Werten handelt es sich um exemplarische Werte. Die Temperatur sowie die Zeitspanne, während derer Wärme abgegeben wird, kann beispielsweise über die Menge des zu kristallisierenden Salzes eingestellt werden.The smoke-
Vorteilhaft ist es, wenn die Wärmeeinheit derart dimensioniert ist, dass diese Wärme über wenigstens eine Minute, vorzugsweise im Bereich von 2 - 4 Minuten abgibt.It is advantageous if the heat unit is dimensioned such that it releases heat over at least one minute, preferably in the range of 2 to 4 minutes.
Die Ummantelung 12 umgibt gemäß dem in der Zeichnung dargestellten Ausführungsbeispiel nur die Wärmeeinheit, nicht jedoch auch das Mundstück. Grundsätzlich ist es jedoch auch denkbar, die Ummantelung 12 auch über die gesamte Länge der rauchfreien Zigarette und damit auch über das Mundstück 18 zu führen.The
Zieht der Nutzer Luft durch das Mundstück 18, wird der Luftstrom durch den Tabak 16 geführt und dabei aufgrund der durch die Wärmeeinheit 14 erzeugten Wärme über die Wirklänge erwärmt. Der Luftstrom nimmt das verdampfende Nikotin nebst Aromastoffen auf und wird über das Mundstück 18, das auch als Filter dienen kann, geleitet. Das Mundstück 18 begrenzt den Luftstrom und ist derart dimensioniert, dass maximale Nikotingrenzwerte nicht erreicht bzw. überschritten werden.If the user draws air through the
Die rauchfreie Zigarette 10 gemäß der vorliegenden Erfindung funktioniert ohne Wärme- oder Energiezufuhr von außerhalb und ist somit autark. Die rauchfreie Zigarette der vorliegenden Erfindung ist derart ausgeführt, dass sie sofort funktionsbereit ist, sofern der Nutzer dies wünscht.The smoke-
Nach Aktivierung der Wärmeeinheit durch Betätigung des oben genannten und in der Zeichnung nicht näher dargestellten Clips, vorzugsweise Metallclips beginnt die Kristallisation in der übersättigten, metastabilen Lösung. Es kann sich dabei beispielsweise um eine Lösung von Natriumacetat-Trihydrat (CH3COONa 3 H2O) in Flüssigkeit handeln. Die bei der exothermen Reaktion frei werdende Kristallisationswärme wird in mehreren Schritten abgegeben.After activation of the heating unit by actuation of the above-mentioned and not shown in the drawing clips, preferably metal clips, the crystallization begins in the supersaturated, metastable solution. It may be, for example, a solution of sodium acetate trihydrate (CH 3 COONa 3 H 2 O) in liquid. The heat of crystallization released in the exothermic reaction is released in several steps.
Nach Aktivierung kristallisiert das Natriumacetat-Trihydrat spontan aus und gibt die in der Einheit gespeicherte Wärme in Form latenter Wärme frei (CH3COO-(aq.) + Na+ (aq.) → CH3COONa 3 H2O (fest) plus Wärme), wobei die in der Einheit befindlichen Ionen zunächst das Ionengitter bilden.Upon activation, the sodium acetate trihydrate spontaneously crystallizes and releases the heat stored in the unit in the form of latent heat (CH 3 COO - (aq.) + Na + (aq.) → CH 3 COONa 3 H 2 O (solid) plus Heat), the ions present in the unit initially forming the ion lattice.
Gleichzeitig zu diesem Vorgang nehmen die Wassermoleküle in den Zwischenräumen des auf diese Weise gebildeten Ionengitters festgelegten Plätze ein, wobei sie ihre Dipole exakt ausrichten. Auf diese Weise bilden die Wassermoleküle ein Gitter im Kristallgitter.Simultaneously with this process, the water molecules occupy sites defined in the interstices of the thus formed ion lattice, precisely aligning their dipoles. In this way, the water molecules form a lattice in the crystal lattice.
Pro Formeleinheit werden in dem Fall des Natriumacetat-Trihydrats drei Wassermoleküle angeordnet.In the case of the sodium acetate trihydrate, three water molecules are placed per formula unit.
Die bei der Kristallisation freigesetzte Wärme besteht somit zum einen aus der latenten Wärme des Salzes, das heißt aus dessen Lösungswärme bzw. Kristallisationswärme. Zum anderen entsteht bei der stark exothermen, parallel dazu ablaufenden Bildung des Wassermolekül-Gitters Wärme. Bei dieser Bildungswärme des Hydrates handelt es sich ebenfalls um eine latente Wärme.The heat released in the crystallization thus consists, on the one hand, of the latent heat of the salt, that is, of its heat of solution or heat of crystallization. On the other hand, heat is generated in the strongly exothermic formation of the water molecule lattice that proceeds in parallel. This heat of formation of the hydrate is also a latent heat.
Alternativ oder zusätzlich zu der Verwendung von Natriumacetat-Trihydrat, kann Natriumsulfat oder das sogenannte Glaubersalz, das heißt das Dekahydrat (Na2SO4 10 H2O) eingesetzt werden. In Betracht kommt alternativ oder zusätzlich auch die Verwendung von Magnesiumnitrat-Hexahydrat (Mg(NO3)2 6 H2O) als solches oder in einer Mischung mit Lithiumnitrat (LiNO3).Alternatively or in addition to the use of sodium acetate trihydrate, sodium sulfate or the so-called Glauber's salt, that is the decahydrate (Na 2 SO 4 10 H 2 O) can be used. Alternatively or additionally, it is also possible to use magnesium nitrate hexahydrate (Mg (NO 3 ) 2 6 H 2 O) as such or in a mixture with lithium nitrate (LiNO 3 ).
Das Mundstück 18 sorgt für einen konstanten Luftzug innerhalb des Zigarette.The
Die Ummantelung 12 der Zigarette dient zum einen der Verhinderung des direkten Kontaktes mit der Wärmequelle in Form der Wärmeeinheit 14 und/oder ist derart ausgestaltet, dass sie optisch einer herkömmlichen Zigarette gleicht.The
Nach Aktivierung des Kristallisationsvorgangs wird der Luftstrom durch den Tabak geführt. Dabei wird er über die Wirklänge erwärmt und nimmt das verdampfende Nikotin nebst Aromastoffen auf. Dieser Luftzug wird sodann über das Mundstück 18 geleitet. Das Mundstück kann zur Limitierung des Luftstroms und/oder als Filter dienen, der bestimme Stoffe zurückhält. Denkbar ist es, dass der Filter derart ausgelegt ist, dass maximale Nikotingrenzwerte nicht erreicht werden.After activation of the crystallization process, the air flow is passed through the tobacco. He is heated over the effective length and takes on the vaporizing nicotine along with flavors. This draft is then passed through the
Zum Befüllen der Wärmeeinheit mit einer übersättigten metastabilen Lösung wird das Salz zunächst erhitzt. Dabei bricht zunächst das Kristallwassergitter zusammen. Gleichzeitig wird auch Ionengitter zerstört. Dieser Prozess erfolgt beim Erhitzen des Salzes auf eine Temperatur von ca. 58°C.To fill the heat unit with a supersaturated metastable solution, the salt is first heated. At first, the crystal water grating collapses. At the same time also ion grid is destroyed. This process takes place when the salt is heated to a temperature of approx. 58 ° C.
Bei diesem Prozess handelt es sich um einen Lösevorgang.This process is a dissolution process.
Im Falle des Natriumacetat-Trihydrates erfolgt dieser Prozess bei einer Temperatur von ca. 58°C. Es entsteht zunächst wasserfreies Natriumacetat. Erhitzt man weiter, löst sich das entstandene Natriumacetat zumindest teilweise in seinem eigenen Kristallwasser. Entsprechende Vorgänge vollziehen sich beim Einsatz von Glaubersalz, das heißt dem Natriumsulfat-Dekahydrat sowie auch bei dem Einsatz von Magnesiumnitrat-Hexahydrat, das in einer Kombination mit Lithiumnitrat vorliegen kann.In the case of sodium acetate trihydrate, this process takes place at a temperature of about 58 ° C. It initially produces anhydrous sodium acetate. If heated further, the resulting sodium acetate dissolves at least partially in its own water of crystallization. Corresponding processes take place when using Glauber's salt, ie the sodium sulfate decahydrate and also when using magnesium nitrate hexahydrate, which may be present in a combination with lithium nitrate.
Als Unterschied zu dem Ausführungsbeispiel gemäß
Außer dem in der
Eine solche Ausgestaltung der Zigarette ist aus
Aus
Denkbar ist es, die Ummantelung der Zigarette luftdicht auszuführen. Denkbar ist es jedoch auf, die Ummantelung luftdurchlässig auszuführen, was zur Folge hat, dass Sauerstoff auch (oder ausschließlich) über die Mantelfläche in die Wärmeeinheit 14 oder in das Substrat 16 eindringt. Um zu verhindern, dass dies der Fall ist, bevor der Nutzer dies möchte, kann vorgesehen sein, die Ummantelung mit einer vorzugsweise luftdichten Hülle zu versehen, die vom Nutzer abgezogen werden kann.It is conceivable to make the jacket of the cigarette airtight. However, it is conceivable to make the jacket permeable to air, with the result that oxygen also (or exclusively) penetrates via the jacket surface into the
Die vorliegende Erfindung betrifft nicht nur Zigaretten im eigentlichen Sinne, sondern auch Zigarren. Der Begriff "Zigarette" steht somit sowohl für Zigaretten als auch für Zigarren.The present invention not only concerns cigarettes in the true sense, but also cigars. The term "cigarette" thus stands for both cigarettes and cigars.
Claims (16)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL08013799T PL2138058T3 (en) | 2008-06-27 | 2008-07-31 | Smoke-free cigarette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008030548.0A DE102008030548B4 (en) | 2008-06-27 | 2008-06-27 | Smoke-free cigarette |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2138058A1 true EP2138058A1 (en) | 2009-12-30 |
| EP2138058B1 EP2138058B1 (en) | 2010-09-22 |
Family
ID=39941915
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP08013799A Active EP2138058B1 (en) | 2008-06-27 | 2008-07-31 | Smoke-free cigarette |
| EP09003622.9A Not-in-force EP2138059B1 (en) | 2008-06-27 | 2009-03-12 | Method of filling a receptacle of an autarkic heat unit, smoke-free cigarette with an autarkic heat unit, and device for filling a receptacle of an autarkic heat unit |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP09003622.9A Not-in-force EP2138059B1 (en) | 2008-06-27 | 2009-03-12 | Method of filling a receptacle of an autarkic heat unit, smoke-free cigarette with an autarkic heat unit, and device for filling a receptacle of an autarkic heat unit |
Country Status (6)
| Country | Link |
|---|---|
| EP (2) | EP2138058B1 (en) |
| AT (1) | ATE481888T1 (en) |
| DE (2) | DE102008030548B4 (en) |
| ES (1) | ES2354491T3 (en) |
| PL (1) | PL2138058T3 (en) |
| WO (1) | WO2009155957A1 (en) |
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| WO2014045025A2 (en) * | 2012-09-18 | 2014-03-27 | British American Tobacco (Investments) Limited | Heating smokeable material |
| EP2668860A3 (en) * | 2010-03-23 | 2015-03-04 | Kind Consumer Limited | Simulated cigarette |
| US10036574B2 (en) | 2013-06-28 | 2018-07-31 | British American Tobacco (Investments) Limited | Devices comprising a heat source material and activation chambers for the same |
| RU184342U1 (en) * | 2017-10-24 | 2018-10-22 | Бритиш Америкэн Тобэкко (Инвестментс) Лимитед | PRODUCT FOR USE IN THE DEVICE FOR HEATING SMOKING MATERIAL |
| US10542777B2 (en) | 2014-06-27 | 2020-01-28 | British American Tobacco (Investments) Limited | Apparatus for heating or cooling a material contained therein |
| DE102019126490A1 (en) * | 2019-10-01 | 2021-04-01 | Olig Ag | Smokeless cigarette |
| US11064725B2 (en) | 2015-08-31 | 2021-07-20 | British American Tobacco (Investments) Limited | Material for use with apparatus for heating smokable material |
| US11241042B2 (en) | 2012-09-25 | 2022-02-08 | Nicoventures Trading Limited | Heating smokeable material |
| US11452313B2 (en) | 2015-10-30 | 2022-09-27 | Nicoventures Trading Limited | Apparatus for heating smokable material |
| US11659863B2 (en) | 2015-08-31 | 2023-05-30 | Nicoventures Trading Limited | Article for use with apparatus for heating smokable material |
| US11672279B2 (en) | 2011-09-06 | 2023-06-13 | Nicoventures Trading Limited | Heating smokeable material |
| US11825870B2 (en) | 2015-10-30 | 2023-11-28 | Nicoventures Trading Limited | Article for use with apparatus for heating smokable material |
| US11924930B2 (en) | 2015-08-31 | 2024-03-05 | Nicoventures Trading Limited | Article for use with apparatus for heating smokable material |
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| JP5489190B2 (en) * | 2011-03-29 | 2014-05-14 | 日本たばこ産業株式会社 | Non-combustion suction tobacco products |
| JP5882535B2 (en) * | 2013-03-08 | 2016-03-09 | 日本たばこ産業株式会社 | Non-burning flavor inhaler |
| JP6227679B2 (en) | 2013-03-15 | 2017-11-08 | フィリップ・モーリス・プロダクツ・ソシエテ・アノニム | Aerosol generator with multiple solid-liquid phase change materials |
| EP3542591B1 (en) | 2016-11-18 | 2020-12-30 | Philip Morris Products S.a.s. | Heating assembly, aerosol-generating device and a method for heating an aerosol-forming substrate |
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| RU184342U1 (en) * | 2017-10-24 | 2018-10-22 | Бритиш Америкэн Тобэкко (Инвестментс) Лимитед | PRODUCT FOR USE IN THE DEVICE FOR HEATING SMOKING MATERIAL |
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Also Published As
| Publication number | Publication date |
|---|---|
| ES2354491T3 (en) | 2011-03-15 |
| DE102008030548B4 (en) | 2019-07-04 |
| DE102008030548A1 (en) | 2009-12-31 |
| DE502008001403D1 (en) | 2010-11-04 |
| ATE481888T1 (en) | 2010-10-15 |
| EP2138058B1 (en) | 2010-09-22 |
| PL2138058T3 (en) | 2011-03-31 |
| EP2138059A1 (en) | 2009-12-30 |
| EP2138059B1 (en) | 2013-05-15 |
| WO2009155957A1 (en) | 2009-12-30 |
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