WO2000028842A1 - System for supplying an inhalable aerosol - Google Patents

System for supplying an inhalable aerosol Download PDF

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Publication number
WO2000028842A1
WO2000028842A1 PCT/EP1999/008427 EP9908427W WO0028842A1 WO 2000028842 A1 WO2000028842 A1 WO 2000028842A1 EP 9908427 W EP9908427 W EP 9908427W WO 0028842 A1 WO0028842 A1 WO 0028842A1
Authority
WO
WIPO (PCT)
Prior art keywords
characterized
preferably
housing
system according
inhaler
Prior art date
Application number
PCT/EP1999/008427
Other languages
German (de)
French (fr)
Inventor
Wolfgang Wildenau
Original Assignee
H.F. & Ph.F. Reemtsma Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to DE19854009A priority Critical patent/DE19854009C2/en
Priority to DE19854009.4 priority
Application filed by H.F. & Ph.F. Reemtsma Gmbh filed Critical H.F. & Ph.F. Reemtsma Gmbh
Publication of WO2000028842A1 publication Critical patent/WO2000028842A1/en

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M15/00Inhalators
    • A61M15/06Inhaling appliances shaped like cigars, cigarettes or pipes
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SMOKERS' REQUISITES
    • A24FSMOKERS' REQUISITES; MATCH BOXES
    • A24F47/00Smokers' requisites not provided for elsewhere, e.g. devices to assist in stopping or limiting smoking
    • A24F47/002Simulated smoking devices, e.g. imitation cigarettes
    • A24F47/004Simulated smoking devices, e.g. imitation cigarettes with heating means, e.g. carbon fuel
    • A24F47/006Simulated smoking devices, e.g. imitation cigarettes with heating means, e.g. carbon fuel with chemical heating means

Abstract

A system for supplying an inhalable aerosol contains an inhaling device (10) which has a rod-shaped housing (12) with a rear, mouth-end area (16) and a front area (14). A substrate holder (26), which can be heated by a heating device (30, 38, 44, 50), is situated in the front area (14) of the housing (12) and is accessible via a loading opening (24) that is preferably located at the front end (23) of the housing (12). A flow channel (34) leads from the substrate holder (26) to the rear end of the housing (12). The heating device (30, 38, 44, 50) is configured for generating heat by thermal or catalytic combustion. A substrate portion (1) that is configured for introducing into the substrate holder (26) through the loading opening (24) contains aerosol-forming material inside a casing which has an air inlet and an aerosol outlet.

Description

System for providing an inhalable aerosol

The invention relates to a system for providing an inhalable aerosol, as well as components of such a system. This system is particularly suitable as a smoking article to provide smoke aerosol for smokers.

On smoking conventional cigarettes, most of the tobacco is not burned during puffs, but in the train pauses. This leads to the formation of the so-called Nebenstromrau- ches, which is of non-smokers often perceived as annoying.

To overcome this problem many new smoking articles have been proposed. is a common principle of such developments, it is not the heat of combustion of tobacco, but other sources of energy to release the smoke aerosol is used. In this way, the emergence of sidestream smoke is largely avoided. Often used in the proposed smoking articles for aerosol formation takes tobacco substitute materials such as special film tobaccos or charged with aroma substances support materials used.

Thus 5,067,499 and 5,099,861 cigarettenähnliche smoking articles are disclosed in U.S. Patent 5,060,666, described in which the thermal energy of a smoldering coal element is transmitted to aerosol forming material, in addition to tobacco or tobacco extracts contains flavors and aerosol former such as glycerin. The combustion gases of the heating element be inhaled with the smoke aerosol, resulting in an increased uptake of carbon monoxide by the smoker. Furthermore, the entire smoking article has to be disposed of after fuming, resulting in an increased attack complex composite residues and related disposal problems.

There are also known devices in which a substrate portion is heated by means of electrical energy to release smoke aerosol. Such a device must be held in the hand and is not acceptable in the mouth because of their size and weight, is described in U.S. Patent 4,141,369. More cigarettenähnliche smoking articles in which tobacco flavor special substrates are electrically heated by means of battery power, thereby giving an inhalable aerosol are disclosed in U.S. Patent 5,095,921, discloses 5,179,666 and 5,269,327. A cigarette for an electrically heated smoking system shows the US patent 5 499 636. However, all these devices are relatively heavy and unwieldy.

Smoke devices are known from US patent 4,474,181 are known in which indirectly nicotine and tabaksimulierende substances, for example, are heated for flammable cellulose foams and inhaled.

The WO 97/48294 shows another system for providing an inhalable aerosol. In this case located in a hand-holdable housing, a burner and a Heizmitteltank which contains a heating means for operating the burner. The ascending, hot combustion gases flow through a heat exchanger, are arranged in the ventilation channels. The ventilation channels are provided with one end with the outside air and open to the other end in an outgoing from the upper portion of the housing tubular flow channel which is designed at its free end as a mouthpiece. The middle section of the flow channel is occupied by a portion of substrate, the heated by the sucked from the user and via the heat exchanger the air is heated indirectly to release an aerosol. This system is also relatively heavy and cumbersome and must be opened to set a new substrate serving.

It is an object of the invention to provide a lightweight, handy and portable by a user in the mouth system for providing an inhalable aerosol, which contains a reusable inhaler and can be used as smoking articles and in particular that offers a similar taste impression like conventional cigarettes, in use of but no sidestream smoke is produced between puffs.

This object is achieved by a system having the features of claim 1, having an inhaler device with the features of claim 26 and a substrate portion with the features of claim 28th Advantageous embodiments of the invention emerge from the dependent claims.

The system of the invention to provide an inhalable aerosol has an inhaler device, which has a rod-like housing with a rear mouth-side portion and a front portion. In the front region of the housing, a heatable by a heater substrate holder is arranged, which is accessible via a preferably located on the front of the case feed opening. A flow channel leads from the substrate holder to the rear end of the housing. The heater is configured to generate heat by thermal or catalytic incineration, where preferably a Heizmitteltank in the rear region of the housing is arranged. The system further includes stratportion which is adapted for insertion into the substrate holder through the charging port and which contains within an enclosure having an air inlet and an aerosol outlet opening, aerosol forming material, a sub-.

Since the energy required to heat the aerosol is obtained from a gaseous and / or liquid heating medium is a low-cost and easy to be purchased fuels high energy density. The inhaler can therefore even if it contains a full Heizmitteltank be as lightweight and portable designed to be worn by a user easily in the mouth. Here, the rod-like body fits comfortably in the hand and gives the user about the feeling of smoking a cigarette with a Cigarettenspitze or a cigar. The substrate portion is inserted in the front region of the rod-like housing in the heatable Substrathalte- tion, via a feed opening which is preferably located at the front of the housing. This reinforced to use the impression that a cigar or cigarette with Cigarettenspitze. The substrate portion is heated above the heated substrate support to release inhalable aerosol, which is guided via the flow channel to the rear end of the housing.

In the rear of the housing, the inhaler may comprise a mouthpiece which communicates with the flow channel in compound and preferably is a poor thermal conductivity, so that occur for the user any unpleasant high temperatures. Instead of the mouthpiece, it is conceivable to use a filter configured as a mouthpiece filter in the rear region of the housing in the flow channel. In a variant of a filter at a different point in the flow channel can be used; Such a configuration can also be used in conjunction with a solid mouthpiece.

In a preferred embodiment, the substrate holder of the inhaler device has at least one heating surface, which is preferably hollow-cylindrical or channel-like. can strathalterung the sub- example, two mutually parallel arranged heating surfaces have, whose mutual distance is preferably adjustable. It is conceivable that the adjustment of the distance as a function of the temperature takes place automatically, for example by means of a Bimetallschiene. In a preferred embodiment, the substrate holder of the inhaler within the heating surfaces of a preferably provided with bores with good heat conductive sheath, which is adapted to abut against an inserted into the substrate holding portion of substrate. These embodiments ensure a good thermal contact (either directly on the heating surfaces or via the thermally conductive sheath) between the heating surfaces and the zone of the substrate portion, which is located in the region of the heating surfaces. but the heating surfaces or shell do not directly touch the substrate serving; Embodiments in which a distance is provided to the substrate portion and the heat transport takes place, for example, by radiation, are also conceivable.

Preferably, the substrate holder of the inhaler device behind the heating surfaces of a rear cavity, in the rear area of ​​a portion of substrate used can be inserted. This configuration allows the user to heat a substrate portion in sections, and to inhale the released aerosol. He pushes the substrate portion gradually, preferably after each train, a bit further to the rear, wherein the spent part of the substrate portion is absorbed by the rear cavity until the entire portion of substrate consumed (smoked) is. In order to prevent that the substrate portion is inserted too far into the housing of the inhaler, at the rear end of the rear cavity, a stop can be provided for the substrate portion.

In a preferred embodiment, the heating surfaces of the inhaler are adapted by catalytic

Combustion of a gaseous and / or liquid heating medium to be heated. A catalytic combustion avoids difficulties in the flame guide of the heating device, which benefits a compact construction.

A preferably refillable from the outside Heizmitteltank may be disposed in the rear portion of the housing of the inhaler device. Alternatively, a configuration is conceivable in which a replaceable refill cartridge with heating means is inserted into the housing. As usual heating flammable substances in question, which may be liquid or gaseous at room temperature, as indicated in the claims in detail.

The inhaler may comprise a switching means equipped with a heating means for ignition of, preferably piezo electrically operated ignition device and an established for releasing the heating means from the Heizmitteltank valve means communicates. In a preferred embodiment, the switching device is designed purely mechanically and has an axially displaceable on the front portion of the housing of the inhaler, preferably poorly heat-conducting ring, which is preferably fixed in two positions. For example, the piezoelectric caused ignition may be triggered by shifting of the ring, wherein at the same time the valve means opens to release means for heating the catalytic combustion; then the ring is rotated for locking, the valve means remains open, and the heating continues. If sufficient time has elapsed, for example after completion of a train, the user can unlock the ring by turning and push it back to its original position, which preferably takes place with the assistance of a spring so that the valve means closes again and the heating is finished. Preferably, on the front portion of the housing of the inhaler air access ports for supplying combustion air to the heater. Emanating from the heater combustion gases (essentially carbon dioxide and water), in a preferred embodiment of the invention, the inhalable aerosol to enter added, whereby a favorable air, combustion gas and aerosol is achievable by the user's traits. In particular, in a catalytic combustion, the combustion gases contain such small amounts of harmful substances such as carbon monoxide, that this is safe. In another preferred embodiment of the invention, however, the combustion gases from the inhalable aerosol to be kept away.

In an advantageous embodiment, the housing of the inhaler has a luminous before during operation of the heating component, such as a heating surface, a window. The user can then control easily the operating status of the inhaler.

The housing of the inhalation device may be one part or multiple parts. In the latter case, it is preferably in two parts and has a detachable connection, for example in the middle region between the front region of the housing in which the heated substrate holder is disposed, and the rear portion of the housing in which the Heizmitteltank is located. To the releasable connection, the housing may be opened, for example for cleaning purposes. The material for the housing of the inhaler should be heat resistant. So thermosetting plastics, multicomponent plastics, hardwoods, exotic woods, burl wood and / or metal are suitable.

preferably, the substrate portion has a cylindrical shape wherein the enclosure is arranged as a cylinder mantle and the ends of the cylinder as the air inlet opening, and as

Aerosol outlet opening are set up. The enclosure is preferably impermeable to porous low to avoid a sidestream smoke. In its front area, the substrate portion may comprise an insulating sheath which preferably projects beyond the front end of the sheath, so that the user does not come during the pushing back of the substrate portion in the housing of the inhaler with hot surfaces in contact. The aerosol forming material of the substrate portion may be a substantially inert support material, or tobacco material and additional adjuvants comprise. Preferably, the material contains a higher proportion of polyols, which serve as aerosol former. It is also conceivable that the substrate portion is a thin, non-filter cigarette commercially available per se, has the polyols having a proportion of 5 wt .-% to 10 wt .-%. Details of possible configurations of the substrate portion can be found in the claims.

In the following the invention with reference to an embodiment is explained in detail. In the drawings:

1 shows a schematic longitudinal section through a smoking article designed as a system of the invention to provide an inhalable aerosol in which a portion of substrate is inserted into an inhaler, and

2 shows a longitudinal section through a substrate portion.

In Figure 1 is shown as a portion of substrate is inserted into a smoking device serving as the inhaler. 1 Figure 2 shows the portion of substrate 1 in more detail. In this embodiment, the substrate portion 1, aerosol forming material 2 is located within a cylindrical casing 3. The casing 3 leaves free the end faces of the cylinder, so that there is an air inlet 4 and an aerosol outlet opening are formed. 5 The aerosol forming material 2 may have, for example, cut leaf tobacco, cut tobacco stems, reconstituted tobacco or a treated with flavoring substances carrier material. The use of leaf and rib cut can also be made in expanded form. Suitable carrier materials for flavoring substances, both organic materials such as paper or cellulose fibers, as well as inorganic materials such as silica gel may be used. Any mixtures of the above components can be used. In the claims, numerous components and ingredients for the aerosol forming materials are mentioned, so that numerous variants are conceivable.

To enhance the formation of aerosols, the aerosol forming material 2 preferably contains a high proportion of a polyol or more polyols, for example glycerol and / or propylene glycol, for example, the use of substantially inert support materials such as alumina, silica gel, activated carbon, cellulose fibers, Ligningra- granulate, zeolites, clays or meerschaum, or combinations thereof in the range of 10 wt .-% to 60 wt .-%. The use of tobacco materials, the preferred amount of the polyols 10 wt .-% to 40 wt .-%. Another way to enhance the formation of aerosol, is the use of the aerosol forming materials with a moisture content that is well above the equilibrium moisture content; so can, for example tobacco, the equilibrium moisture content is approximately 10% to 12%, are used with a moisture content of 20%. In this case, to ensure, by an appropriate packaging that until use, no loss of moisture occurs.

The casing 3 may be made of paper, plastic film or metal foil. Also, a multi-layer coating of the said components is usable. However, a single-layer wrapping of paper or paper metallkaschiertem is preferred. Particularly advantageous is low porous or almost air-impermeable cigarette paper, preferably having a high proportion of mineral aggregates. This ensures that virtually no sidestream smoke occurs on heating and the smoking of the substrate portion.

In a preferred embodiment, the portion of substrate 1 in its front region, that is surrounded in the region of the air inlet 4, by an additional insulating sleeve (not shown in the figures 1 and 2), which preferably projects beyond the front end of the sheath. 3 This insulating sheath ensures that the user does not come with unpleasant hot surfaces in contact when he inserts the portion of substrate 1 during the smoking deeper into the inhalation device (see below).

It is also conceivable to use as a substrate portion of a thin, non-filter, commercially available per se cigarette, comprising the polyols having a proportion of 5 wt .-% to 10 wt .-%.

The following are two other examples of embodiments of the portion of substrate 1 are described.

example 1

An American blend tobacco mixture with a content of 30% Burley tobacco, 40% expanded Virginia tobacco, 20% non-expanded Virginia tobacco and 10% Oriental tobacco was conditioned for con- with 12 wt .-% of an aqueous Casings having a glycerol content of 80 wt .-% sprayed. Subsequently, the tobacco was cut 0.8 mm Cutting width and dried to a moisture content of 12%. 180 kg of this cut tobacco were mixed with 20 kg of expanded ribs section. From this mixture, a continuous strand having a diameter of 5 mm and a packing density of 200 mg / ml was prepared in a Cigarettenstrangmaschine. As wrapping material an aluminum-clad on the outside, air-impermeable paper was used. The continuous strand was cut into individual portions of 40 mm length. example 2

An article prepared by known methods paper sheet tobacco containing Prσpylenglykol of 12 wt .-% was cut with a cutting width of 0.8 mm as supplied in Example 1 Cigarettenstrangmaschine and encased therein with a cigarette paper, wherein the cigarette paper has an air permeability of 5 CU had. By cutting the continuous strand (6 mm diameter) were obtained substrate portions each having a length of 50 mm; the tap density was 240 mg / ml.

In principle, the use of a substrate portion is conceivable, which is provided behind the aerosol outlet opening 5 with a commercially available filter. It must however be ensured that is heated during insertion of such a substrate portion in the inhaler not the filter, but the aerosol forming material 2 before the filter.

1 shows in a schematic longitudinal section of a training fuhrungsform a Inhaliervorichtung 10. The Inhaliervorichtung 10 has a rod-like or cigarrenformartiges housing 12 16 having a front portion 14 and a rear mouth-side region of the rear end of the rear portion 16 is designed as a mouth piece 18, see FIG. 1

The housing 12 is preferably made of a material such as a thermoset laundri ebeständigen, a multicomponent plastic, hard wood, a noble wood, root wood or metal or from a plurality of such materials. In order to avoid that the user comes into contact with hot surfaces, critical points are provided with heat insulation or consist of heat-insulating materials.

In the exemplary embodiment, the housing is designed in two parts 12, the front region 14 and the rear portion 16 by a

Compound 20 can be joined together. At the junction 20 of the front region 14 and the rear portion 16 of housing 12 can reciprocally be inserted, wherein a not illustrated in Figure 1 guide in which a projection in a groove engaged, a defined position of the rear portion 16 with respect to the ensures the front region 14 and prevents twisting. a thin-walled cap utter 21 which engages an external thread at the rear portion 16 serves to fuse. An insulating ring 22 largely prevents heat transfer from the heated during operation the front region 14 of the housing 12 to the rear portion 16 with the mouthpiece 18. When the housing is opened at the junction 20 12, the inhaler can be cleaned 10th

At the front 23 of the housing 12 there is a feed opening 24 can be inserted through a portion of substrate 1 in the interior of the housing 12th For holding the substrate portion 1 is a substrate holder 26, the sleeve has a on the outer diameter of the substrate portion 1 adapted guide 28 has. Behind the guide sleeve 28 in an embodiment of a hollow cylinder designed heating surface 30 is arranged. Behind the heating surface 30, the substrate holder 26 has a rear cavity 32 into which the rear portion of a substrate used Portion 1 can be inserted.

An axially arranged flow channel 34 extends the full length of the rear portion 16 of the housing 12 and extends from the back cavity 32 to the rear end of the mouthpiece 18th

The heating coil 30 is a component of a game in the exemplary embodiment operates as a flameless of Operating Glühkatalysator heating means for heating the substrate holder 26. In this case, openings combustion air for operation of the heater through air intake 36 in the front region 14 enter the housing 12th When the heating surface 30 is located at a high temperature, it heats the zone of the substrate portion 1 located in their area. Thus, if in the embodiment, the heating surface 30 is designed as a hollow cylinder, it heats the arranged straight in its interior region of the substrate portion 1. In the embodiment, the inner diameter of the heating surface 30 is larger than the outer diameter of the substrate portion 1. The heat from the heating surface 30 on the portion of substrate 1 transported mainly by radiation. The heating coil 30 may also be arranged so that a heat transfer takes place by conduction. In this case, it is advantageous if the heating surface 30, the substrate portion 1 does not directly contact, but when a is preferably provided with holes sheath is positioned within the heating area 30, which is composed of a highly thermally conductive material such as aluminum and which in its dimensions on substrate portion 1 is tuned so that it is preferably applied directly on the substrate portion 1 (not shown in Figure 1). For the design of the heating surface 30, numerous variants are conceivable. So several heating surfaces may be provided, such as two heating surfaces arranged in parallel, or it may be chosen other shapes for the heating surface, for example a shape with rinnenartigem profile. It is essential that the heating surface 30 causes a heating of the located in their area zone of the substrate portion 1 via the outside of the substrate portion 1, that is, a direct heating, as opposed to an indirect heating, wherein the heated gas (especially air) through the substrate portion is drawn.

The required for operation of the heater heating means, for example, butane, pentane or isopropanol, is located in a Heizmitteltank 38 which is disposed in the rear portion 16 of the housing 12th The Heizmitteltank 38 may have a guided outwards filling arm 40 which is provided with a closure, to be refilled. In the embodiment of Heizmitteltank is shaped like a ring 38, wherein the flow channel runs through its axial region 34th Instead of a refillable Heizmitteltanks 38 also designed as a refill cartridge Heizmitteltank may be provided, which is inserted as a whole into the rear portion 16 of the housing 12th Alternatively, it is conceivable to form the entire rear portion 16 of housing 12 as a disposable article which is replaced when the Heizmitteltank 38 is empty.

In order to perform heating from the Heizmitteltank 38 to the heating surface 30, a valve must be opened 42, which opens into a heating medium line 44, which is connected to the heating surface thirtieth As can be separated from the rear portion 16 of housing 12 in the embodiment, the front region 14, the heating medium line 44 must have a separation point, which is designed as a sealed coupling 46th

To ignite the heating means and for actuating the valve 42 is a mechanical switching device having a on the front portion 14 of the housing 12 is axially displaceable, poorly heat-conducting ring 48 is used. On its outside, the ring is provided with a gripping surface 48th When the ring 48 is displaced to the rear, ie in the direction of the shown in figure 1, arrows, the valve 42 is opened, so that heating medium can flow from the Heizmitteltank 38 to the heating surface 30, and simultaneously operates a piezo electric igniter 50, the catalytic combustion the heating means initiates. In the rearwardly displaced position of the ring can be locked by twisting 48th The valve 42 remains open in this position of the ring 48, so that the catalytic combustion continues and the heating surface emits heat 30, even if 50 is not active during this period, the igniter. If the heating is to be terminated, the ring 48 is unlocked by rotating in the opposite direction and pushed forward. In this case, the valve 42 closes Preferably presses a not illustrated in Figure 1 the spring ring 48 forward. The mechanical components for operating the valve 42 and the igniter 50 are not shown for clarity in FIG. 1 When a user wants to use the inhaler device 10, he first pushes a fresh portion of substrate 1, for example a special slim cigarette with a diameter of 5 mm and a length of 40 mm, through the charging port 24, until the rear zone of the portion of substrate 1 in the region the heating surface 30 comes to lie. If he wants to inhale the first train, it pulls the ring 48 on the mouthpiece 18 and locked to it by twisting. As already explained, characterized flowing heating medium to the heating surface 30 and is ignited. By see in the catalytic combustion heat emitted the zone of the substrate portion 1 is heated in the area of ​​the heating surface 30 so that the aerosol forming material releases 2 Taste aerosol. When the user draws on the mouthpiece 18, air enters through the air inlet aperture 4 in the substrate portion 1 and promotes flavor aerosol through the aerosol outlet opening 5 of the substrate portion 1 via the flow channel 34 to the user. Preferably enters additional air used for dilution, via the air inlet openings 36 added. The inhaled aerosol contains embodiment further carbon dioxide and water vapor from the catalytic combustion of the heating means. If the housing 12 is a window in Figure 1 (not shown) which allows the user a view of the heating surface 30, it is seen that the heating surface 30 is lit red during ignition and then, when he draws on the mouthpiece 18, their color in light red changes.

Before it occupies the next train, the user selects a piece of the mouthpiece 18 pushes the portion of substrate 1. The rear, fumed zone of the substrate portion 1 in the rear cavity 32 occurs, while a fresh area into the area of ​​the heating surface reaches the 30th So flows the next train fresh taste aerosol to the user. To save heating means and to prevent sidestream smoke, the user can unlock the ring 48 after each train by counter rotation and push it forward so that the valve 42 closes. The last train is taken when the substrate portion 1 rests against the insulating 22nd Subsequently, the user may pull out the portion of substrate 1 through the feed opening 24 of the housing 12 and disposed of.

In the described embodiment of the inhaler device 10 the user makes by drawing on the mouthpiece 18 for the required flow of ambient air through the air inlet openings 36 to the heating surface 30 (catalytic combustion) as well as by the air inlet opening 4 in the substrate portion 1 into and through the substrate portion 1 therethrough. The combustion gases formed during the catalytic combustion are thereby sucked into the flow channel 34 and contact, as already mentioned, in addition to the inhaled aerosol. Since the catalytic combustion fairly complete expires, the content of carbon monoxide and other derived from the combustion of undesired substances in the inhaled aerosol is low, so that this type of gas and aerosol guide is acceptable.

However, it is also possible to keep the combustion gases from the inhaled aerosol. For this purpose, an open-ended at both ends of sleeve of good heat-conducting metal may for example be provided within the heating area 30, which connects the guide sleeve 28 with the rear cavity 32, so that the combustion gases do not have access to the flow channel 34th Preferably, this sleeve is in heat-conducting contact on a substrate used portion. 1 the wall of the housing 12 has guide die in this training have at least one outlet opening for the combustion gases. The desired flow from the air inlet openings 36 through the heating area 30 to the outlet opening can be achieved by a temperature gradient reach (thermal).

Claims

claims
comprising 1. System for providing an inhalable aerosol with an inhaler (10), a rod-like housing (12) having a rear mouth-side portion (16) and a front region (14), (wherein in the front region (14) of the housing 12) a (by a heating device 30, 38, 44, 50) heated substrate holder (26) is arranged, the feed opening (via a preferably (at the front side 23) of the housing 12) situated (24) is accessible, wherein a flow channel ( 34) (of the substrate holder 26) to the rear end of the housing (12) leads, and wherein said heating means (30, 38, 44, 50) is adapted to be generated by thermal or catalytic combustion heat, and
(A portion of substrate (1) which is adapted to be inserted into the substrate holder (26) through the loading opening (24) and within an enclosure (3) having an air inlet opening (4) and an aerosol outlet opening (5), aerosol forming material - 2).
2. System according to claim 1, characterized in that in the flow channel (34) of the inhaler (10), a filter is used.
3. System according to claim 2, characterized in that in the rear region (16) of the housing (12) of the inhaler (10) designed as a filter mouthpiece filter into the flow channel (34) is insertable.
4. System according to claim 1 or 2, characterized in that the inhaler device (10) in the rear area (16) of the housing (12) a mouthpiece (18), which communicates with the flow channel (34) in combination, and preferably poorly heat-conductive is.
5. System according to any one of claims 1 to 4, characterized in that the substrate holder (26) of the inhaler (10) at least one heating surface (30), which is preferably hollow-cylindrical or channel-like.
6. System according to one of claims 1 to 5, characterized in that the substrate holder (26) of the inhaler (10) comprises two mutually parallel arranged heating surfaces, whose mutual distance is preferably adjustable.
7. System according to claim 5 or 6, characterized in that the substrate holder (26) of the inhaler (10) within the heating surfaces (30) has a preferably provided with bores highly thermally conductive jacket that is adapted (at a in the substrate holder to abut 26 portion of substrate employed) (1).
8. System according to one of claims 5 to 7, characterized in that the substrate holder (26) of the inhaler (10) behind the heating surfaces (30) includes a rear cavity (32) into which the rear portion of a substrate portion (1) used can be inserted.
9. System according to any one of claims 5 to 8, characterized in that the heating surfaces (30) of the inhaler (10) are adapted to be heated by catalytic combustion of a gaseous and / or liquid heating medium.
10. System according to any one of claims 1 to 9, characterized in that in the rear region (16) of the housing (12) of the inhaler (10) a Heizmitteltank (38) is arranged, which is preferably rechargeable from the outside.
11. System according to claim 10, characterized in that the heating means comprises one or more selected from the following group substances: n-alkanes having one to four carbon atoms, n-alkanes having five to twenty carbon atoms, branched, or cyclic alkanes four to twenty carbon atoms, alcohols, ketones, esters, aldehydes.
12. System according to claim 10 or 11, characterized in that the inhaler device (10) comprises a switching device (48) furnished with the ignition of the heating means, preferably piezo electrically operated ignition device (50) and a for releasing the heating means from the Heizmitteltank (38) furnished valve means (42) is in operative connection.
having 13. System according to claim 12, characterized in that the switching device (48) sliding an axially on the front portion (14) of the housing (12) of the inhaler (10), preferably poorly heat-conducting ring (48), preferably in two positions can be fixed.
having 14. System according to any one of claims 1 to 13, characterized in that the front portion (14) of the housing (12) of the inhaler (10) air inlet openings (36).
15. System according to one of claims 1 to 14, characterized in that the housing (12) of the inhaler (10) before a during operation of the heating means (30, 38, 44, 50) illuminating the component (30) is a window.
16. System according to one of claims 1 to 15, characterized in that the housing (12) of the inhaler (10) is configured in one piece.
has 17 System according to one of claims 1 to 15, characterized in that the housing (12) of the inhaler (10) in several parts, preferably two parts, is designed and a releasable connection (20).
18. System according to one of claims 1 to 17, characterized in that the housing (12) comprises one or more selected from the following group materials of the inhaler (10): thermosetting plastics, multicomponent plastics, hard wood, precious wood, root wood, metal.
19. System according to any one of claims 1 to 18, characterized in that the substrate portion (1) has a cylindrical shape with a length of 10 mm to 100 mm, preferably 15 mm to 60 mm, and a diameter of 4 mm to 12 mm , preferably from 5 mm to 8 mm, said envelope (3) is arranged as a cylinder mantle and the ends of the cylinder as the air inlet opening (4) and are set up as aerosol outlet (5).
20. System according to one of claims 1 to 19, characterized in that the covering (3) of the substrate portion (1) low porous or almost air-impermeable cigarette paper has, preferably having a high proportion of mineral aggregates.
21. System according to one of claims 1 to 20, characterized in that the covering (3) of the substrate portion (1) a metallic foil, preferably an aluminum foil having.
22. System according to any one of claims 1 to 21, characterized in that the substrate portion (1) has an insulating sheath in its front region, which preferably projects beyond the front end of the wrapper (3).
23. System according to any one of claims 1 to 22, characterized in that the aerosol forming material (2) of the substrate portion (1) a support material, preferably alumina, silica gel, activated carbon, cellulose fibers, Ligningranu- lat, zeolites, clays or meerschaum, or combinations thereof and a polyol or several polyols, preferably glycerol and / or propylene glycol comprises, and preferably additionally comprises a binder, gelling agents, additives, flavorings and / or nicotine, wherein the proportion of polyols of 10 wt .-% to 60 wt .-% is ,
24. System according to any one of claims 1 to 22, characterized in that the aerosol forming material (2) of the substrate portion (1) a tobacco material, preferably Schnitta- bak, film cut tobacco and / or tobacco stem section, and a polyol or several polyols, preferably glycerol, and comprises / or propylene glycol, which are preferably thickened with tobacco dust, and preferably additionally comprises a binder, gelling agents, additives, flavorings and / or nicotine, wherein the proportion of polyols of 10 wt .-% to 40 wt .-% by weight.
25. System according to any one of claims 1 to 22, characterized in that the substrate portion (1) is a thin, non-filter, commercially available per se cigarette, comprising the polyols having a proportion of 5 wt .-% to 10 wt .-%.
having 26. An inhaler device comprising a rod-like housing (12) having a rear mouth-side portion (16) and a front region (14), wherein in the front region (14) of the housing (12) (by a heating device 30, 38, 44 , 50) heated substrate holder (26) is arranged, the feed opening (via a preferably (at the front side 23) of the housing 12) situated (24) is accessible, wherein a flow channel (34) of the substrate holder (26) to the rear end the housing (12) leads, and wherein said heating means (30, 38, 44, 50) is adapted to be generated by thermal or catalytic combustion heat.
27. Inhalation device according to claim 26, characterized by features of the inhaler (10) of any one of claims 2 to 18th
28 substrate portion which is adapted to be inserted into the substrate holder (26), an inhaler (10) according to claim 26 or 27 through the feed opening (24) and (within an enclosure (3) having an air inlet opening (4) and an aerosol outlet opening 5) which contains aerosol forming material (2).
29. Portion substrate according to claim 28, characterized by features of the substrate portion (1) of any of claims 19 to 25th
PCT/EP1999/008427 1998-11-12 1999-11-08 System for supplying an inhalable aerosol WO2000028842A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19854009A DE19854009C2 (en) 1998-11-12 1998-11-12 System for providing an inhalable aerosol
DE19854009.4 1998-11-12

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
HU0104222A HU0104222A2 (en) 1998-11-12 1999-11-08 System for the supply of inhalation aerosols, inhalation device, and the substrate portion
AU11600/00A AU1160000A (en) 1998-11-12 1999-11-08 System for supplying an inhalable aerosol
EP99972075A EP1128743A1 (en) 1998-11-12 1999-11-08 System for supplying an inhalable aerosol
PL99348205A PL348205A1 (en) 1998-11-12 1999-11-08 System for supplying an inhalable aerosol
JP2000581902A JP2002529111A (en) 1998-11-12 1999-11-08 System for supplying an inhalable aerosol
SK640-2001A SK6402001A3 (en) 1998-11-12 1999-11-08 System for supplying an inhalable aerosol
EA200100532A EA002583B1 (en) 1998-11-12 1999-11-08 System for supplying an inhalable aerosol
HR20010334A HRP20010334A2 (en) 1998-11-12 2001-05-10 System for supplying an inhalable aerosol
BG105505A BG105505A (en) 1998-11-12 2001-05-11 System for supplying an inhalable aerosol

Publications (1)

Publication Number Publication Date
WO2000028842A1 true WO2000028842A1 (en) 2000-05-25

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PCT/EP1999/008427 WO2000028842A1 (en) 1998-11-12 1999-11-08 System for supplying an inhalable aerosol

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JP (1) JP2002529111A (en)
CN (1) CN1333657A (en)
AU (1) AU1160000A (en)
BG (1) BG105505A (en)
CZ (1) CZ20011659A3 (en)
DE (1) DE19854009C2 (en)
EA (1) EA002583B1 (en)
HR (1) HRP20010334A2 (en)
HU (1) HU0104222A2 (en)
PL (1) PL348205A1 (en)
SK (1) SK6402001A3 (en)
WO (1) WO2000028842A1 (en)

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Also Published As

Publication number Publication date
HRP20010334A2 (en) 2002-06-30
SK6402001A3 (en) 2001-11-06
JP2002529111A (en) 2002-09-10
CZ20011659A3 (en) 2002-06-12
EP1128743A1 (en) 2001-09-05
EA002583B1 (en) 2002-06-27
CN1333657A (en) 2002-01-30
AU1160000A (en) 2000-06-05
BG105505A (en) 2001-12-31
HU0104222A2 (en) 2002-03-28
PL348205A1 (en) 2002-05-06
EA200100532A1 (en) 2001-10-22
DE19854009A1 (en) 2000-05-18
DE19854009C2 (en) 2001-04-26

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