EP2574247A1 - Permeable electric heat resistant foil for evaporating liquids out of disposable mouthpieces with evaporator nozzles - Google Patents

Abstract

The device has a heating resistor (1) designed in the form of a metallic film or thin sheet e.g. double spiral (101) and/or wavy line with two ends. Intermediate spaces of the double spiral and/or wavy line are open and permeable to flowing fluids. Contact plates (13) are made from metallic film or thin sheet and connected with respective ends of the double spiral and/or wavy line. The contact plates are not directly connected with one another. The heating resistor is covered with an insulation layer that is made from polyimide, micanite or silicone. An independent claim is also included for an evaporation device.

Description

Technical area

The present invention generally relates to a device for optimized smoke-free inhalation of nicotine and / or additives with electronic cigarettes.

General introduction

When smoking a conventional cigarette tobacco is burned and the resulting smoke from this smoke is inhaled (mainstream smoke) or released to the environment (sidestream smoke).

The mainstream smoke is largely responsible for the health of the consumer, but provides him with the desired enjoyment. The sidestream smoke is largely responsible for the health damage of passive smokers and is desired by neither the passive smokers nor the consumer.

In the smoke of a cigarette more than 4,800 different substances have been detected, of which about 70 are considered to be carcinogenic.

Methods and devices based thereon for the smoke-free inhalation of nicotine and / or additives have the goal of offering the consumer a substitute for the conventional cigarette, which causes a much lower damage to the health of the consumer and third parties, preferably no damage to health of the consumer and third parties, but this Retains the consumer experience of a conventional cigarette.

State of the art

Currently established as a replacement for conventional cigarette so-called e-cigarettes (electronic cigarettes) on the market. Of different approaches, the approach described below, due to its relative easy technical feasibility at the same time convincing functionality (evaporator performance, nicotine outout) enforced.

The patent DE69017371T2 1990 describes a smoking article comprising a flavor generating medium, an electric heating element and an electrical energy dispensing device, wherein the flavor generating medium is detachable from the electric heating element, characterized in that the electrical heating element is in thermal contact with the flavor generating medium electrical energy dispensing device delivers electrical energy to the heating element to cause the heating element to heat the flavor-generating medium and release flavoring components therefrom, and that comprises a controller for regulating the amount of electrical energy output by the energy dispensing device.

This basic principle has been developed to market readiness over the last two decades and optimized as follows.

A liquid to be evaporated is supplied by the capillary action of a metal mesh or Glasfaserdochtes from a depot of a small heating coil. This is usually turned on by a vacuum switch or vacuum regulator when pulling on the electronic cigarette, whereby the liquid (liquid) evaporates.

The main components of the electronic cigarette are: the accumulator unit with vacuum switch or vacuum regulator and LED for optical simulation of the embers, the evaporator unit (atomizer) with heating coil and capillaries and the mouthpiece with the liquid depot.

The three components are generally cylindrical and mimic a cigarette in their shape, forming a flow channel in their interior that extends through all three components. When pulling on the electronic cigarette, an air flow is sucked into the accumulator unit, whereby the vacuum switch or vacuum regulator is actuated. This activates the heating coil in the downstream evaporator unit.

The helical heating coil is wound around a fiber bundle, which is impregnated directly or via a metal mesh with a liquid depot located further downstream in the mouthpiece through capillaries connected to liquid and arranged orthogonal to the flow. Activating the heating coil vaporizes liquid and releases it to the airflow.

The filled with the liquid to be evaporated depot itself is not directly exposed to the flow in the flow channel, but arranged in a side pocket of the mouthpiece. Thus, the fiber bundle is supplied by the capillary of metal mesh and glass fiber bundles, without inevitably unvaporized liquid from the depot into the mouth of the consumer passes. The depot usually consists of a small piece of fleece.

In addition to the depot, the mouthpiece contains only a flow channel and the air outlet in the form of a small hole at its end, through which the air flow enriched with vaporized liquid enters the oral cavity of the consumer.

Accumulator and evaporator unit are detachably connected to one another via a thread. Threaded face and threaded surface are electrically conductive and isolated from each other, so that in the bolted state, an electric current flow between the accumulator and evaporator unit and the heating coil can be powered by the battery with activated vacuum switch or vacuum regulator. In the disassembled state, the accumulator unit can be connected via the same thread with a charger.

The mouthpiece is attached via a cylindrical flange on the thread opposite the end of the evaporator unit wherein the depot comes into contact with the metal mesh of the evaporator unit in the mouthpiece and the liquid transport from the depot is started in the interior of the heating coil.

A major disadvantage of this embodiment of electronic cigarettes with a separate reusable evaporator unit is the increasing contamination of the evaporator unit during its lifetime. Since many depots of 200 puffs are usually consumed before the replacement of the evaporator unit and the capillaries are not cleaned, there is the potential danger Microorganisms and undesirable harmful substances evaporate. Up to 6 months, an evaporator unit can be used.

Another disadvantage of the increasing contamination of the evaporator unit is the potential loss of quality over the duration of consumption. So mixes z. B. when replacing a mouthpiece to be evaporated liquid of the new mouthpiece with the remaining liquid in the capillaries. This is particularly disadvantageous if the consumer wants to consume different flavors with an evaporator.

Another disadvantage is the leakage of liquid when changing the plugged onto the evaporator mouthpieces noticeable, causing the consumer often comes into skin contact with nicotine-containing liquid. Depending on the nicotine content, skin contact may cause mild poisoning.

Not least results from this three-part design a difficult to further reduce length as a disadvantage, which runs counter to the objective of the installation space of a king-size cigarette not appreciably.

A partial improvement is achieved over the aforementioned disadvantages when the evaporator unit is integrated into the mouthpiece, since the leakage of liquid and the associated skin contact risk can be avoided and the space can be better approximated to a King-size cigarette.

However, the disadvantage now is the wandered with the evaporator in the mouthpiece threaded connection, which, apart from the uncomfortable handling of a screw, due to the relatively thick metallic wall in the thread and the now given disposable character of the combined product results in a disposal problem, especially as it is a product for mass production which increases the use of materials.

For both of the aforementioned variants, ie both for the variant with a separate evaporator, as well as for the variant with integrated evaporator in the mouthpiece, the refillability of the respective depots and the associated already widespread refilling practice due to the potential risk, the nicotine-containing liquids pose a major problem. Refill bottles may contain a lethal dose of nicotine for children.

Furthermore, the perceived hygienic advantage of the systems with evaporator integrated in the mouthpiece is negated, since these too are frequently refilled in practice, although these often use fibers as capillaries instead of the glass fiber capillaries, which carbonize with prolonged use.

Finally, a major disadvantage of the systems with integrated in the mouthpiece evaporator due to the components used, such as the machined Schraubflansch with electrical isolation of outer ring and end face, and the difficult automatable assembly, such as the soldered to the screw with the screw and the heating coil through the heating coil guided glass or natural fiber bundles, in the mass production not given manufacturability on high-speed machines.

W02011 / 009920 describes a method for volatilizing active ingredients and / or flavorings for the purpose of delivering an inhalable aerosol, wherein a heat-energized fluid flows through a flow channel in a preferably cylindrical hollow body and wherein the fluid in this flow channel at least partially or completely flows through an evaporator membrane, wherein the at least an evaporator membrane is wetted with a substance to be evaporated containing active substance and / or flavoring and / or wetted and wherein the additional thermal energy-containing, ie acted upon with thermal energy fluid as it flows through the evaporator membrane vaporizes this substance or substances and supplies the fluid flow.

The latter method and the device based thereon allow optimal evaporation of substances containing active substances and / or flavorings without the aforementioned disadvantages, such as hygiene problems, design-related high production costs and excessively long consumption time of the electrical systems available on the market, which means in principle is ideally suited as a mouthpiece for a smokeless cigarette, however, the method operates with a already heated by combustion of liquefied gas fluid flow, as characterized by the in W02008 / 113420 described method is provided, whereas the purely electrical production of a correspondingly warm Fluid flow in the space of a cigarette or small cigar due to insufficient space for a heat exchanger can not be displayed.

W02008 / 113420 describes a process for the volatilization of active substances and / or flavorings for the purpose of delivering an inhalable aerosol, wherein combustion gases of a combustible gas, which is preferably burned with excess air, partially or completely, optionally mixed with ambient air, by an active and / or flavor depot be guided and wherein a desired temperature by the proportion of combustion gases and optionally by the mixing ratio of these combustion gases with ambient air is selectable.

A major disadvantage of this method is the use of LPG, which due to the supposed danger of explosion in the immediate vicinity of the face, even if it is purely hypothetical and controllable by fail-safe design, not only safety concerns with potential customers but thereon based products high probability not to be carried on board aircraft.

Object of the invention

Accordingly, it is an object of the present invention to provide a device for electronic cigarettes which ensures vaporization of nicotine and / or additives without reusable components in contact with liquid to be evaporated, and preferably at the same time a strong reduction of costs and environmental impact by reduction of used to achieve the amount of material used and optimization of machinability.

General description of the invention

• ➢ Eine permeable Heizwiderstandsfolie in Gestalt einer Doppelspirale und/oder Schlangenlinie mit zwei Enden und Abmessung des Querschnittes einer Zigarette oder kleinen Zigarre, wobei die Zwischenräume der Doppelspirale und/oder Schlangenlinie des Heizwiderstandes (1) offen (permeabel) und somit durchlässig für strömende Fluide sind.
• ➢ Mindestens zwei elektrische Kontakte (Kontaktlaschen), die auf ihrer einen Seite fest mit dem jeweils gegenüberliegenden Ende der Heizwiderstandsfolie verbunden sind und mit ihrer anderen Seite frei liegen, wodurch sie lösbar mit einer geregelten oder gesteuerten Spannungsquelle verbunden werden können, wobei die Heizwiderstandsfolie und die elektrischen Kontakte vorzugsweise aus einem Stück gefertigt sind.

This object is achieved by a heating device as described in claim 1, and an evaporator device for vaporizing liquids from permeable evaporator membranes (similar to those in W02011 / 009920 described) which includes such a heating device, wherein the heating device comprises:

• ➢ A permeable heating resistance foil in the form of a double spiral and / or serpentine line with two ends and dimensions of the cross section of a cigarette or cigar, wherein the spaces between the double spiral and / or serpentine line of the heating resistor (1) are open (permeable) and thus permeable to flowing fluids ,
• ➢ At least two electrical contacts (contact tabs) fixedly connected on one side to the respective opposite end of the heating foil and exposed on the other side, whereby they can be detachably connected to a regulated or controlled voltage source, the heating foil and the electrical contacts are preferably made of one piece.

Permeable means for the purposes of the invention for both the Heizwiderstandsfolie and for the evaporator membranes that they are permeable to gas in the direction of their surface normal.

According to the invention, a permeable heating resistor foil consists of an electrically conductive foil which is preferably punched or laser cut into a double spiral or serpentine shape or a combination of double spiral and serpentine shape.

The Heizwiderstandsfolie invention consists of an electrically conductive material, preferably made of an aluminum or stainless steel alloy, and more preferably made of food grade pure aluminum, an AlMn alloy or stainless steel, such as X5CrNi18-10.

The wall thickness of a permeable heating resistance film according to the invention is between 0.01 mm and 0.2 mm, but preferably between 0.02 mm and 0.08 mm.

Depending on the electrical conductivity of the liquid to be evaporated, the heating resistor film can be coated with a heat-resistant and electrically insulating plastic layer, preferably a layer of polyimide, micanite or silicone, whereby at too low electrical resistance the liquid to be evaporated in relation to the resistance of the Heizwiderstandsfolie a short circuit is avoided. Micanite in the sense of the invention generally refers to an artificial mica, ie a composite consisting of mica fragments (layered silicate fragments) and synthetic resin as a matrix system. Example products are: flexible Mikanit FLM M & P (consisting of at least 92% Muscovite or alternatively Phlogopite, impregnated with a high-temperature resistant silicone binder), flexible Mikanit FLM 521 P, etc.

Such a heater may, for. B. as an electrical heating resistor in an evaporator device for evaporating active and / or flavor substances containing substances, eg. As a disposable disposable mouthpiece for an electronic cigarette. By simply plugging it onto an accumulator unit with vacuum switch or vacuum regulator, the electronic cigarette is ready for use. When the circuit is closed by the vacuum switch or vacuum regulator, the heating resistor foil heats and vaporizes the liquid from the evaporator membrane.

A further aspect accordingly relates to an evaporator device for evaporating substances containing active substances and / or aroma substances, preferably configured as a mouthpiece in the form of a hollow cylinder with a fluid inlet and a fluid outlet. The evaporator device comprises a heating device as described herein and at least one evaporator membrane in surface contact with the heating resistor. The evaporator membrane is also permeable to flowing fluids and is either wetted with a substance to be evaporated containing active substances and / or flavoring substances, or can be wetted with it. The heating resistor and the evaporator membrane (s) are preferably arranged orthogonal or at an angle to the direction of the fluids passing through the mouthpiece.

Due to the specified embodiment of the evaporator device not only a very high evaporator efficiency is achieved due to the largest possible contact area between Heizwiderstandsfolie and evaporator membrane or evaporator membranes according to the invention, but also an optimally uniform evaporation.

Another significant advantage of the invention is that by changing the geometric shape of the Heizwiderstandsfolie such. B. by changing the number of spiral turns, the width of the turns and / or the wall thickness of the film or the thin sheet, the performance of the heating resistor can be optimally adapted to different substances to be vaporized with different ingredients.

By appropriate choice of the material and the geometric parameters of the Heizwiderstandsfolie the electrical resistance of the Heizwiderstandsfolie can be adjusted in the range of 1 - 10 Ω, whereby at a possible rated voltage of a connected accumulator unit of 1.2 V (NiCd) - 3.7 V (Li -Ion) a spectrum of 0.1 - 13.7 watts heating power in the cross-section of a cigarette mouthpiece can be covered.

Another important advantage of the invention is that in the contour of the Heizwiderstandsfolie by a local taper (bottleneck) a fuse can be integrated, which is thermally destroyed in depleted liquid due to the then lack of cooling and makes the mouthpiece useless, resulting in a Disposable mouthpiece with a targeted consumption of 5 - 20 puffs per 20 - 50 ml, but preferably 8 - 12 puffs per 35 ml.

In a further embodiment, the evaporator device further comprises a flange for releasably connecting a controlled or regulated electrical voltage source to the electrical poles, wherein the contact tabs which are connected to the respective opposite end of the double spiral and / or serpentine line of the heating resistor not directly, d. H. only via the heating resistor, in contact with each other. These contact tabs can be brought via the flange in conjunction with the electrical poles of a controlled or regulated electrical voltage source.

Preferably, an insulating film covers the contact tabs to a flange on the inside of the hollow cylinder of the mouthpiece. The insulating film preferably has at least two axially offset contact openings in the region of the flange surface, wherein these contact openings are preferably designed such that they lie axially in one plane and in each case only one contact tab release. The poles of a controlled or regulated electrical voltage source are z. B. two axially offset rings and in the connected state of mouthpiece and voltage source is in each case one pole of the voltage source via the contact openings with the contact tabs and the contact tabs with one end of the double spiral and / or serpentine line of the heating resistor in combination.

In a further embodiment, the contact tabs and / or the flange surface preferably have at least one fitting groove and / or fitting nose, wherein they have a corresponding counterpart in the form of at least one fitting nose and / or fitting groove on the controlled or regulated electrical voltage source. In the connected state of the mouthpiece and voltage source is in each case a pole of the voltage source with the contact tabs and the contact tabs with one end of the double spiral and / or serpentine line of the heating resistor in combination.

In a further preferred embodiment, at least one pointed and / or sharp-edged Öffnerlasche of a metallic foil or a thin sheet with its sharp and / or sharp-edged side extending from the heating axially in the direction of the flange of the mouthpiece and is designed such that they when connecting mouthpiece and voltage source located between the heating resistor and flange sealing film of a storage capsule, which is filled with a substance containing active and / or flavoring substances, pricks and / or cuts.

Thus, the invention not only enables the production of a combination of depot and evaporator function in a disposable mouthpiece with, over known devices of this type, more efficient evaporation and lower resource consumption, but also provides a well-defined time-limited consumer experience.

Due to the preferred production of the described Heizwiderstandsfolie by punching and Gesenkbiegen, this can be excellently integrated into a fast-running production process, wherein a further significant advantage of the present invention is due.

Brief description of the figures

In the following, advantages and advantageous embodiments of the invention will now be described with reference to the accompanying figures.

1. a) Eine Doppelspirale 101 als Heizwiderstand 1.
2. b) Eine Schlangenlinie 102 als Heizwiderstand 1, in der zusätzlich eine Schmelzsicherung 12 integriert ist.

Fig. 1 shows two variants of a preferred embodiment of the heating device described in the present invention, in which the heating resistor 1, the contact tabs 13 and two Öffnerlaschen 14 are made of a single piece of metallic foil.

1. a) A double spiral 101 as a heating resistor. 1
2. b) A serpentine line 102 as a heating resistor 1, in which a fuse 12 is additionally integrated.

1. a) Mundstück im inaktiven Lagerzustand mit intakter Verschlussfolie 361 und Speicherkapsel 36 in Ausgangsposition, bei noch nicht aufgesteckter Spannungsquelle 4.
2. b) Mundstück im aktivierten Gebrauchszustand mit zerstörter Verschlussfolie 361 und Speicherkapsel 36 in Endposition, mit aufgesteckter Spannungsquelle 4.

Fig. 2 shows how a mouthpiece 3, according to a preferred embodiment of the present invention, is connected to a voltage source 4, wherein the two annular poles 41 of the voltage source 4 via the contact openings 21 in the insulating film 2 come into contact with the contact plates 13, whereby the heating resistor. 1 can be supplied with power and wherein the storage capsule 36 is displaced axially through the end face of the flange 33 of the voltage source 4 within the hollow cylinder 31 in the direction of buffer memory 321, whereby the Öffnerlaschen 14 tear open the closure film 361 of the storage capsule 36 and the active and / or flavoring containing substance in the buffer memory 321 and from there further into the evaporator membranes 32 flows.

1. a) Mouthpiece in the inactive storage condition with intact closure film 361 and storage capsule 36 in the starting position, with not yet plugged voltage source. 4
2. b) Mouthpiece in the activated use state with destroyed sealing foil 361 and storage capsule 36 in end position, with plugged-in voltage source 4.

Description of a preferred embodiment of the invention

In a preferred embodiment of the invention, a device according to the invention serves as a heating resistor 1, for example in a in W02011 / 009920 described device, ie a device according to the invention is provided with a Combined device in which a fluid flows through at least one evaporator membrane 32 in a flow channel 31, wherein the at least one evaporator membrane 32 is wetted with a substance to be evaporated active substance and / or flavoring and / or wetted, wherein the inventive device to be evaporated Wirk - And or aroma substance containing heat energy, whereby this substance is evaporated and supplied to the fluid flow.

• ➢ einen Hohlzylinder 31 bestehend aus Kunststofffolie, Karton und Belagpapier, wobei das Belagpapier außen um den Karton gewickelt ist und vorzugsweise dem sogenannten Korkpapier von Zigarettenfiltern entspricht und der Karton auf der Innenseite mit einer Kunststofffolie beschichtet ist,
• ➢ eine permeable Heizwiderstandsfolie 1 in Form einer Doppelspirale 101, welche aus Aluminiumfolie gestanzt ist wobei die permeable Heizwiderstandsfolie 1 mit einer Isolierschicht 11 aus Polyimid beschichtet ist,
• ➢ zwei elektrische Kontakte 13 in Form von Kontaktlaschen 13 an der Heizwiderstandsfolie 1, die sich longitudinal innerhalb des Hohlzylinders 31 entlang dessen Innenfläche von der Heizwiderstandsfolie 1 bis in den Flansch 33 erstrecken, wobei die Kontakte jeweils den Querschnitt eines Viertelkreisbogens beschreiben,
• ➢ zwei permeable Verdampfermembranen 32, wobei in axialer Richtung jeweils eine Verdampfermembran 32 vor und eine Verdampfermembran 32 hinter der permeablen Heizwiderstandsfolie 1 in direktem Flächenkontakt mit dieser angeordnet sind und wobei die Verdampfermembranen partiell direkt miteinander in Kontakt stehen,
• ➢ ein Verdampferzwischenspeicher 321 in Form eines Rings aus einem saugfähigen Vlies, über den die Verdampfermembranen 32, wie ein Trommelfell gespannt sind,
• ➢ zwei Öffnerlaschen 14 in Form von spitzen Zacken die aus den Kontaktlaschen 13 in den Strömungskanal 31 hineinragen und axial von der Heizwiderstandsfolie 1 in Richtung Flansch 33 zeigen,
• ➢ eine Isolierfolie 2 die sich longitudinal innerhalb des Hohlzylinders 31 und innerhalb der Kontaktlaschen 13 entlang deren Innenfläche von der Heizwiderstandsfolie 1 bis in den Flansch 33 erstreckt mit zwei axial versetzten Kontaktöffnungen 21, wobei die Innenseite der Isolierfolie 2 und die durch die Kontaktöffnungen 21 freiliegenden Flächen der Kontaktlaschen 13 die Flanschfläche 331 des mundstückseitigen Flanschs 33 darstellen,
• ➢ eine axial bewegliche ringförmige Speicherkapsel 36 innerhalb der Isolierfolie 2 des Hohlzylinders 31, welche eine Wirk- und/oder Aromastoff enthaltende Substanz beinhaltet die durch eine Verschlussfolie 361 versiegelt wird, wobei die Verschlussfolie 361 zerstört wird, wenn die Speicherkapsel 36 soweit in Richtung der Heizwiderstandsfolie 1 bewegt wird, dass die Verschlussfolie 361 von den Öffnerlaschen 14 durchdrungen wird.

In this embodiment, the device according to the invention comprises

• ➢ a hollow cylinder 31 consisting of plastic film, cardboard and tipping paper, wherein the tipping paper is wound around the outside of the cardboard and preferably corresponds to the so-called cork paper of cigarette filters and the cardboard is coated on the inside with a plastic film,
• ➢ a permeable heating resistance foil 1 in the form of a double spiral 101, which is stamped out of aluminum foil, wherein the permeable heating resistance foil 1 is coated with an insulating layer 11 made of polyimide,
• ➢ two electrical contacts 13 in the form of contact tabs 13 on the Heizwiderstandsfolie 1 extending longitudinally within the hollow cylinder 31 along the inner surface of the Heizwiderstandsfolie 1 into the flange 33, wherein the contacts each describe the cross section of a quarter circle arc,
• ➢ two permeable evaporator membranes 32, wherein in the axial direction in each case an evaporator membrane 32 in front of and an evaporator membrane 32 are arranged behind the permeable Heizwiderstandsfolie 1 in direct surface contact with this and wherein the evaporator membranes are partially directly in contact,
• ➢ an evaporator intermediate storage 321 in the form of a ring made of an absorbent fleece, over which the evaporator membranes 32 are stretched like an eardrum,
• ➢ two opener lugs 14 in the form of pointed prongs from the Protrude contact lugs 13 in the flow channel 31 and axially from the Heizwiderstandsfolie 1 in the direction of flange 33,
• ➢ an insulating film 2 which extends longitudinally within the hollow cylinder 31 and within the contact tabs 13 along the inner surface of the Heizwiderstandsfolie 1 in the flange 33 with two axially offset contact openings 21, wherein the inside of the insulating film 2 and the exposed through the contact openings 21 surfaces the contact tabs 13 represent the flange face 331 of the mouthpiece side flange 33,
• ➢ an axially movable annular storage capsule 36 within the insulating film 2 of the hollow cylinder 31, which contains a substance containing active and / or flavoring material which is sealed by a sealing film 361, wherein the sealing film 361 is destroyed when the storage capsule 36 so far in the direction of the Heizwiderstandsfolie 1 is moved, that the sealing film 361 is penetrated by the Öffnerlaschen 14.

The above-described preferred embodiment of the present invention is used with a rod-shaped voltage source 4 having two annular poles 41 on the outer surface of the voltage source side flange 33, wherein the voltage source on the end face of the flange 33 has an air outlet opening through which the fluid flow flows into the mouthpiece 3 , wherein in the flow channel of the voltage source is a vacuum regulator which controls the current flow from the voltage source via the annular poles 41 through the contact tabs 13 and the Heizwiderstandsfolie 1 of the mouthpiece 3 in the connected state. <b> Table 1: Reference List </ b> No. General name Specific name 1 heating resistor permeable heating foil 101 double helix 102 wavy line 11 insulating electrically insulating plastic layer 12 fuse 13 Contact tab electric contact 14 opener tab 2 insulation 21 contact opening 3 mouthpiece 31 hollow cylinder flow channel 311 fluid inlet 312 fluid outlet 313 flow channel 32 evaporator membrane permeable evaporator membrane 321 buffer memory Evaporator cache 33 flange 331 flange 34 fitting groove 35 pass nose 36 storage capsule 361 sealing film 4 voltage source Accumulator unit with vacuum switch 41 pole electric pole

Claims (13)

Heating device comprising a heating resistor (1) in the form of a metallic foil or a thin sheet in the form of a double spiral (101) and / or serpentine line (102) with two ends and dimension of the cross section of a cigarette or small cigar, wherein the spaces between the double spiral and / or serpentine line of the heating resistor (1) are open and thus permeable to flowing fluids and wherein in each case at least one contact lug (13) made of metallic foil or thin sheet metal, each having one end of the double spiral (101) and / or serpentine line (102) of the heating resistor (1 ), wherein the contact tabs (13) which are connected to the respective opposite end of the double spiral (101) and / or serpentine line (102) of the heating resistor (1) are not in direct contact with each other. Heating device according to claim 1, wherein the heating resistor (1) and the contact tabs (13) consist of a piece of metallic foil or thin sheet metal. Heating device according to claim 1 or 2, which further comprises at least one tapered and / or sharp-edged Öffnerlasche (14). Heating device according to one of claims 1 to 3, wherein the heating resistor (1), the contact tabs (13) and possibly the Öffnerlasche (s) (14) consist of a piece of metallic foil or thin sheet metal. Heating device according to one of claims 1 to 4, wherein the metallic foil or the thin sheet of the heating resistor (1), the contact tabs (13) and / or the Öffnerlasche (s) (14) made of pure aluminum, an aluminum-manganese alloy or stainless Steel exists. Heating device according to one of claims 1 to 5, wherein the heating resistor (1) with an insulating layer (11), preferably a layer of polyimide, micanite or silicone is coated. Heating device according to one of claims 1 to 6, wherein the heating resistor (1) has a fuse (12) in the form of a constriction in the double spiral (101) and / or serpentine line (102) in the region of the evaporator membrane (32) or evaporator membranes (32) , Evaporator device for vaporizing active substances and / or flavoring substances, designed as a mouthpiece (3) in the form of a hollow cylinder (31) with a fluid inlet (311) and a fluid outlet (312), comprising a heating device according to one or more of claims 1 to 7 and at least one evaporator membrane (32) which is in surface contact with the heating resistor (1), which is also permeable to flowing fluids and which is wetted or wetted with a substance to be evaporated containing active and / or flavoring substances. An evaporator apparatus according to claim 8, further comprising a flange (33) for releasably connecting a controlled or regulated electrical power source (4) to the electrical poles (41), the contact tabs (13) connected to the respective opposite end of the double spiral (101). and / or serpentine line (102) of the heating resistor (1) are not directly in contact with each other and these can be brought via the flange (33) in conjunction with the electrical poles (41) of a controlled or regulated electrical voltage source (4) , An evaporator apparatus according to claim 8 or 9, wherein the heating resistor (1) and the at least one evaporator membrane (32) are arranged orthogonal or at an angle to the direction of the fluids passing through the mouthpiece (3). An evaporator device according to any one of claims 8 to 10, wherein an insulating film (2) covers the contact tabs (13) to a flange surface (331) on the inside of the hollow cylinder (31) of the mouthpiece (3), and wherein the insulating film (2) in the region of Flange surface (331) has at least two axially offset contact openings (21), the contact openings (21) are configured such that they lie axially in one plane and release only one contact tab (13) and wherein the poles (41) of a controlled or regulated electrical voltage source (4) are two axially offset rings and wherein in the connected state of mouthpiece (3) and voltage source (4) each have a pole (41) of the voltage source (4) via the contact openings (21) with the contact tabs (13) and the contact tabs (13) in each case with one end of the double spiral (101) and / or serpentine line (102) of the heating resistor (1) is in communication. Evaporator device according to claim 11, wherein the contact lugs (13) and / or the flange surface (331) at least one fitting groove (34) and / or fitting lug (35), wherein this a corresponding counterpart in the form of at least one fitting lug (35) and / or Passport (34) to a controlled or regulated electrical voltage source (4), wherein in the connected state of mouthpiece (3) and voltage source (4) each have a pole (41) of the voltage source (4) with the contact tabs (13) and over the Contact tabs (13) with one end of the double spiral (101) and / or serpentine line (102) of the heating resistor (1) is in communication. Evaporator device according to one of claims 8 to 12, wherein at least one pointed and / or sharp-edged Öffnerlasche (14) of a metallic foil or a thin sheet, which with its sharp and / or sharp side ahead of the heating resistor (1) axially in the direction the flange (33) of the mouthpiece (3) and is designed such that when connecting mouthpiece (3) and voltage source (4) between a heating resistor (1) and flange (33) located closure film (361) of a storage capsule (36 ), which is filled with a substance containing active and / or flavoring substances, stings and / or cuts.

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