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EP4005422B1 - Ensemble à fumer à chauffage pauvre en oxygène de type enfichable et système de cigarette le comprenant, et procédé pour fumer - Google Patents

Ensemble à fumer à chauffage pauvre en oxygène de type enfichable et système de cigarette le comprenant, et procédé pour fumer Download PDF

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Publication number
EP4005422B1
EP4005422B1 EP20933600.7A EP20933600A EP4005422B1 EP 4005422 B1 EP4005422 B1 EP 4005422B1 EP 20933600 A EP20933600 A EP 20933600A EP 4005422 B1 EP4005422 B1 EP 4005422B1
Authority
EP
European Patent Office
Prior art keywords
cone
smoke
cavity
smoke extraction
forming tube
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20933600.7A
Other languages
German (de)
English (en)
Other versions
EP4005422A4 (fr
EP4005422A1 (fr
Inventor
Shanzhai SHANG
Ke Zhang
Bin Li
Ping LEI
Shuang Wang
Jun Wu
Le Wang
Siyao LIAO
Bing Wang
Jingmei HAN
Qi Zhang
Zhiqiang Li
Nan DENG
Xiaoxiang LIAO
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Tobacco Yunnan Industrial Co Ltd
Zhengzhou Tobacco Research Institute of CNTC
Original Assignee
China Tobacco Yunnan Industrial Co Ltd
Zhengzhou Tobacco Research Institute of CNTC
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 claimed from CN202010349485.0A external-priority patent/CN113558298B/zh
Priority claimed from CN202010349460.0A external-priority patent/CN113558296B/zh
Application filed by China Tobacco Yunnan Industrial Co Ltd, Zhengzhou Tobacco Research Institute of CNTC filed Critical China Tobacco Yunnan Industrial Co Ltd
Publication of EP4005422A1 publication Critical patent/EP4005422A1/fr
Publication of EP4005422A4 publication Critical patent/EP4005422A4/fr
Application granted granted Critical
Publication of EP4005422B1 publication Critical patent/EP4005422B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/48—Fluid transfer means, e.g. pumps
    • A24F40/485—Valves; Apertures
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/20—Devices using solid inhalable precursors

Definitions

  • the present disclosure relates to the field of heating non-combustion smoking set, and in particular, to a plug-in oxygen-deficient heating smoking set, as well as a cigarette system and smoking method containing the smoking set.
  • the heating temperature applied is usually low, generally not exceeding 300°C; compared with traditional cigarettes, the tobacco aroma components of new heating non-combustion cigarettes are difficult to completely release, and the amount of smoke is insufficient, thus, such cigarettes are more difficult to be accepted by traditional smokers.
  • the tobacco end of most heating non-combustion cigarettes has an open structure, namely, shredded tobacco or reconstituted tobacco are directly exposed, or connected to the outside through a certain airflow channel, in the process of pulling out the cartridge after smoking, the tobacco residue may fall off, which is easy to cause pollution to the smoking set, thus, after using such type of tobacco for a period of time, it takes time to clean the smoking set.
  • smoking set are exemplified by e.g. the following documents: US 3 796 223 A , EP 2 967 137 A2 , CN 209 031 264 U and US 2013/014574 A1 .
  • the oxygen content may decrease in the heating process (due to the replacement effect of the formed fresh smoke on the internal atmosphere), at this time, there may be no burning even if the heating temperature is increased, and the tobacco residue may not fall and contaminate the smoking set.
  • the migration of the smoke from the closed cigarette may become difficult.
  • the present disclosure is proposed to solve the above-mentioned problems.
  • a first aspect of the present disclosure provides a plug-in oxygen-deficient heating smoking set, including a cigarette accommodating cavity 3, as well as a smoke extraction element 6 that can be detached from the smoking set or fixed in the cigarette accommodating cavity 3;
  • the smoke extraction element 6 includes a hollow smoke extraction cone 6-1 and a mainstream smoke forming tube 6-2 that is fixed or detachedly sleeved on the periphery of the cone body 6-1-1 of the smoke extraction cone 6-1;
  • the hollow part of the hollow smoke extraction cone 6-1 has a tapered structure, the top and/or the side wall of the hollow smoke extraction cone 6-1 are provided with cone holes 6-1-2, and there is at least one cone hole 6-1-2;
  • the mainstream smoke forming tube 6-2 has an internal cavity 6-2-1, and the outline of the cavity 6-2-1 has a Venturi tube structure, namely, the cavity 6-2-1 has a tapered cavity and a gradual expansion cavity, the tapered cavity and the gradual expansion cavity are connected by a cylindrical cavity with a small inner diameter, at least one through hole 6-2-3 is disposed on the circumferential side wall of the mainstream smoke forming tube 6-2, the through hole 6-2-3 is located upstream of the tapered cavity of the mainstream smoke forming tube 6-2, the axial distance between the through hole 6-2-3 and the bottom surface of the cone body 6-1-1 is less than that between the cone hole 6-1-2 and the bottom surface of the cone body 6-1-1;
  • the inner diameter of the cigarette accommodating cavity 3 is larger than the outer diameter of the smoke extraction element 6;
  • airflow channel 6-3 that is in airflow communication with the cavity 6-2-1 between the inner wall of the tapered cavity of the mainstream smoke forming tube 6-2 and the outer wall of the cone body 6-1-1.
  • annular boss 6-2-2 is provided on the circumferential side wall of the tapered cavity of the mainstream smoke forming tube 6-2 at a position corresponding to the cone hole 6-1-2.
  • the airflow channel 6-3 becomes narrower toward one side of the mainstream smoke forming tube 6-2.
  • the airflow channel 6-3 becomes narrower from upstream to downstream.
  • Coanda effect and Venturi phenomenon are more significant, and smoke extraction effect is enhanced.
  • the airflow direction in the smoking set is recorded as from upstream to downstream.
  • the bottom end of the cone of the smoke extraction cone 6-1 is provided with an axially extending sleeve section 6-1-3, and one end of the mainstream smoke forming tube 6-2 away from the cone body 6-1-1 has an axially extending inner diameter enlarged section 6-2-4.
  • a heating element 5 is provided on the circumferential side wall and/or bottom surface of the cigarette accommodating cavity 3.
  • the shape of the smoke extraction element 6 is suitable for being accommodated in the cigarette accommodating cavity 3.
  • a door 4 is provided at the bottom of the cigarette accommodating cavity 3, the door 4 includes a boss 4-1, a fixing and limiting mechanism 7 is disposed between the smoke extraction element 6 and the cigarette accommodating cavity 3.
  • the fixing and limiting mechanism 7 includes a limiting member connected with the smoke extraction element 6 and a groove for axial sliding of the limiting member.
  • the limiting member is clamped in the groove, when the limiting member axially slides in the groove, the smoke extraction element 6 is driven to move axially.
  • the limiting member can also be clamped and fixed at a certain position in the groove to keep the smoke extraction element 6 fixed to the smoking set.
  • a second aspect of the present disclosure provides a plug-in oxygen-deficient heating cigarette system, which includes the plug-in oxygen-deficient heating cigarette set and segmented cigarette illustrated in the first aspect;
  • the segmented cigarette includes a tobacco section 1 and a filter section 2 which are detachedly connected to each other, wherein one end surface and/or circumferential side surface of the tobacco section 1 is sealed by airtight foil, the unsealed end of the tobacco section 1 has an axially extending unfilled section 1-1, the filter section 2 has a bare section 2-1 that is not wrapped by tipping paper, the shapes of the unfilled section 1-1 and the exposed section 2-1 match each other, so that, when the tobacco section 1 and the filter section 2 are connected together, the bare section 2-1 is inserted into the unfilled section 1-1;
  • the shape of the unfilled section 1-1 of the tobacco section 1 is also suitable for plugging with a sleeve section 6-1-3 of the smoke extraction cone 6-1
  • the shape of the exposed section 2-1 of the filter section 2 is also suitable for plugging with an inner diameter enlarged section 6-2-4 of the mainstream smoke forming tube 6-2.
  • a third aspect of the present disclosure provides a plug-in three-section cigarette, including the smoke extraction element 6 provided detachedly from the smoking set in the first aspect and the segmented cigarette in the second aspect, the tobacco section 1 of the segmented cigarette is plugged in the sleeve sections 6-1-3 at both ends of the smoke extraction element 6, and the filter section 2 is plugged in the inner diameter enlarged section 6-2-4 of the smoke extraction element 6.
  • a fourth aspect of the present disclosure provides a plug-in oxygen-deficient heating cigarette system smoking method, which applies the plug-in oxygen-deficient heating cigarette system of the second aspect, when the smoke extraction element 6 and its smoking set are disposed detachedly, the smoking method is as follows: When smoking, separate the tobacco section 1 and the filter section 2 of the segmented cigarette, and respectively assemble them to the sleeve section 6-1-3 and the inner diameter enlarged section 6-2-4 at both ends of the smoke extraction element 6, so as to form a segmented cigarette A; then insert the tobacco section 1 of the segmented cigarette A into the cigarette accommodating cavity 3, activate the heating element 5 to smoke;
  • the smoking method is as follows: When smoking, separate the tobacco section 1 and the filter section 2 of the segmented cigarette, open the door 4 at the bottom of the cigarette accommodating cavity 3, and move the extraction element 6 through the fixing and limiting mechanism 7, assemble the tobacco section 1 and the filter section 2 to the sleeve section 6-1-3 and the inner diameter enlarged section 6-2-4 at both ends of the smoke extraction element 6 through the door 4 and the entrance of the cigarette accommodating cavity 3 respectively, after completing the assembly, move the smoke extraction element 6 back to the limited position, close the door 4, activate the heating element 5 to smoke;
  • the boss 4-1 can compress the tobacco section 1 to achieve sealing effect.
  • the circumferential heating element 5 partially or completely covers the tobacco section 1;
  • the tobacco section 1 and the filter section 2 are assembled to the sleeve section 6-1-3 and the inner diameter enlarged section 6-2-4 at both ends of the smoke extraction element 6 through the door 4 and the entrance of the cigarette accommodating cavity 3 respectively, namely, the tobacco section 1 is inserted from one end of the door 4, and the filter section 2 is inserted from the entrance of the cigarette accommodating cavity 3.
  • Coanda effect also known as the wall-attachment effect or Coand ⁇ effect, refers to when fluid flows over the surface of an object, due to surface friction, the fluid water flow or air flow has a tendency to depart from the original flow direction and change to flow along the surface of the protruding object.
  • Venturi phenomenon means that low pressure may be generated near the fluid flowing at high speed, causing adsorption.
  • the air entering the small holes can flow along the surface of the smoke extraction cone; due to Venturi phenomenon, the gas flowing at high speed along the surface of the extraction cone may form a negative pressure area at the mouth of the extraction cone, due to the existence of pressure difference, the smoke generated by the closed tobacco section can be extracted.
  • a plug-in oxygen-deficient heating smoking set including a cigarette accommodating cavity 3, as well as a smoke extraction element 6 that can be detached from the smoking set;
  • the smoke extraction element 6 includes a hollow smoke extraction cone 6-1 and a mainstream smoke forming tube 6-2 that is fixed or detachedly sleeved on the periphery of the cone body 6-1-1 of the smoke extraction cone 6-1;
  • the hollow part of the hollow smoke extraction cone 6-1 has a tapered structure, and the side wall of the hollow smoke extraction cone 6-1 has two cone holes 6-1-2;
  • the mainstream smoke forming tube 6-2 has an internal cavity 6-2-1, and the outline of the cavity 6-2-1 has a Venturi tube structure, namely, the tapered structure and the gradual expansion structure are connected by a cylindrical cavity with a small inner diameter, at least one through hole 6-2-3 is disposed on the circumferential side wall of the mainstream smoke forming tube 6-2, the through hole 6-2-3 is located upstream of the tapered cavity of the mainstream smoke forming tube 6-2, the axial distance between the through hole 6-2-3 and the bottom surface of the cone body 6-1-1 is less than that between the cone hole 6-1-2 and the bottom surface of the cone body 6-1-1;
  • the inner diameter of the cigarette accommodating cavity 3 is larger than the outer diameter of the smoke extraction element 6;
  • airflow channel 6-3 that is in airflow communication with the cavity 6-2-1 between the inner wall of the tapered cavity of the mainstream smoke forming tube 6-2 and the outer wall of the cone body 6-1-1.
  • An annular boss 6-2-2 is provided on the circumferential side wall of the tapered cavity of the mainstream smoke forming tube 6-2 at a position corresponding to the cone hole 6-1-2.
  • the airflow channel 6-3 becomes narrower. As airflow velocity gradually increases, Coanda effect and Venturi phenomenon are more significant, and the smoke extraction effect is enhanced.
  • the bottom end of the cone of the smoke extraction cone 6-1 is provided with an axially extending sleeve section 6-1-3, and one end of the mainstream smoke forming tube 6-2 away from the cone body 6-1-1 has an axially extending inner diameter enlarged section 6-2-4.
  • a heating element 5 is provided on the bottom surface and the circumferential side wall of the cigarette accommodating cavity 3;
  • the shape of the smoke extraction element 6 is suitable for being accommodated in the cigarette accommodating cavity 3.
  • FIG. 1 The axial cross-sectional view of the parts when the smoke extraction element 6 has a split structure is shown in FIG. 1 , at this time, the mainstream smoke forming tube 6-2 is fixedly sleeved on the outer periphery of the cone body 6-1-1 of the smoke extraction cone 6-1.
  • FIG. 2 The axial cross-sectional view of the smoke extraction element 6 when it has an integrated structure is shown in FIG. 2 , at this time, the mainstream smoke forming tube 6-2 is fixedly sleeved on the outer periphery of the cone body 6-1-1 of the smoke extraction cone 6-1, and the cone hole 6-1-2 is located on the side wall of the cone body 6-1-1.
  • a plug-in oxygen-deficient heating smoking set including a cigarette accommodating cavity 3, as well as a smoke extraction element 6 that can be fixed in the cigarette accommodating cavity 3;
  • the smoke extraction element 6 includes a hollow smoke extraction cone 6-1 and a mainstream smoke forming tube 6-2 that is fixed or detachedly sleeved on the periphery of the cone body 6-1-1 of the smoke extraction cone 6-1;
  • the hollow part of the hollow smoke extraction cone 6-1 has a tapered structure, the top of the hollow smoke extraction cone 6-1 is provided with cone holes 6-1-2, and there is at least one cone hole 6-1-2;
  • the mainstream smoke forming tube 6-2 has an internal cavity 6-2-1, and the outline of the cavity 6-2-1 has a Venturi tube structure, namely, the tapered cavity and the gradual expansion cavity are connected by a cylindrical cavity with a small inner diameter, at least one through hole 6-2-3 is disposed on the circumferential side wall of the mainstream smoke forming tube 6-2, the through hole 6-2-3 is located upstream of the tapered cavity of the mainstream smoke forming tube 6-2, the axial distance between the through hole 6-2-3 and the bottom surface of the cone body 6-1-1 is less than that between the cone hole 6-1-2 and the bottom surface of the cone body 6-1-1;
  • the inner diameter of the cigarette accommodating cavity 3 is larger than the outer diameter of the smoke extraction element 6.
  • a door 4 is provided at the bottom of the cigarette accommodating cavity 3, and the door 4 includes a boss 4-1, a fixing and limiting mechanism 7 is provided between the smoke extraction element 6 and the cigarette accommodating cavity 3, the fixing and limiting mechanism 7 can fix the position of the smoke extraction element 6 relative to the smoking set, it can also drive the smoke extraction element 6 to move axially.
  • An airflow channel 6-3 is in airflow communication with the cavity 6-2-1 between the inner wall of the tapered cavity of the mainstream smoke forming tube 6-2 and the outer wall of the cone body 6-1-1, toward one side of the mainstream smoke forming tube 6-2, the airflow channel 6-3 becomes narrower. At this time, as airflow velocity gradually increases, Coanda effect and Venturi phenomenon are more significant, and the smoke extraction effect is enhanced.
  • the bottom end of the cone of the smoke extraction cone 6-1 is provided with an axially extending sleeve section 6-1-3, and one end of the mainstream smoke forming tube 6-2 away from the cone body 6-1-1 has an axially extending inner diameter enlarged section 6-2-4.
  • a heating element 5 is provided on the circumferential side wall of the cigarette accommodating cavity 3.
  • An annular boss 6-2-2 is provided on the circumferential side wall of the tapered cavity of the mainstream smoke forming tube 6-2 at a position corresponding to the cone hole 6-1-2.
  • the smoke extraction element 6 may also have a split structure, as shown in FIG. 1 .
  • a plug-in oxygen-deficient heating cigarette system including the oxygen-deficient heating smoking set and the segmented cigarette illustrated in Embodiment 2;
  • the segmented cigarette includes a tobacco section 1 and a filter section 2 which are detachedly connected to each other, wherein one end surface and/or circumferential side surface of the tobacco section 1 is sealed by an airtight foil, the unsealed end of the tobacco section 1 has an axially extending unfilled section 1-1, the filter section 2 has a bare section 2-1 that is not wrapped by tipping paper, the shapes of the unfilled section 1-1 and the exposed section 2-1 match each other, so that, when the tobacco section 1 and the filter section 2 are connected together, the bare section 2-1 is inserted into the unfilled section 1-1;
  • the shape of the unfilled section 1-1 of the tobacco section 1 is also suitable for plugging with the sleeve section 6-1-3 of the smoke extraction cone 6-1
  • the shape of the exposed section 2-1 of the filter section 2 is also suitable for plugging with the inner diameter enlarged section 6-2-4 of the mainstream smoke forming tube 6-2.
  • FIG.4 is an axial cross-sectional view of the plug-in oxygen-deficient heating cigarette system of Embodiment 3, and the arrow direction in the figure is the airflow direction during smoking.
  • FIG.5 is a schematic view of the overall structure of the segmented cigarette of Embodiment 3.
  • FIG.6 is an axial cross-sectional view of the parts of the segmented cigarette of Embodiment 3.
  • a plug-in oxygen-deficient heating cigarette smoking method which applies the plug-in oxygen-deficient heating non-combustion cigarette system of Embodiment 1, when the smoke extraction element 6 and its smoking set are disposed detachedly, the smoking method is as follows: When smoking, separate the tobacco section 1 and the filter section 2 of the segmented cigarette, and respectively assemble them to the sleeve section 6-1-3 and the inner diameter enlarged section 6-2-4 at both ends of the smoke extraction element 6, so as to form a segmented cigarette A; insert the tobacco section 1 of the segmented cigarette A into the cigarette accommodating cavity 3, activate the heating element 5 to smoke.
  • a plug-in oxygen-deficient heating cigarette smoking method applies the oxygen-deficient heating non-combustion cigarette system illustrated in Embodiment 2, the smoke extraction element 6 is fixed in the cigarette accommodating cavity 3, the smoking method is as follows: When smoking, separate the tobacco section 1 and the filter section 2 of the segmented cigarette, open the door 4 at the bottom of the cigarette accommodating cavity 3, and move the extraction element 6 through the fixing and limiting mechanism 7, assemble the tobacco section 1 and the filter section 2 to the sleeve section 6-1-3 and the inner diameter enlarged section 6-2-4 at both ends of the smoke extraction element 6 through the door 4 and the entrance of the cigarette accommodating cavity 3 respectively, after completing the assembly, move the smoke extraction element 6 back to the limited position, close the door 4, activate the heating element 5 to smoke;
  • the boss 4-1 can compress the tobacco section 1 to achieve sealing effect.
  • the circumferential heating element 5 completely covers the tobacco section 1;
  • the tobacco section 1 and the filter section 2 are assembled to the sleeve section 6-1-3 and the inner diameter enlarged section 6-2-4 at both ends of the smoke extraction element 6 through the door 4 and the entrance of the cigarette accommodating cavity 3 respectively, namely, the tobacco section 1 is inserted from one end of the door 4, and the filter section 2 is inserted from the entrance of the cigarette accommodating cavity 3;
  • FIG.4 When smoking, the airflow direction is shown in FIG.4 .
  • the air does not flow through the tobacco section, but enters through the gap 8 and through hole 6-2-3, a negative pressure is generated in the internal cavity 6-2-1 of the smoke extraction element 6 due to Venturi effect, and the smoke generated by the tobacco section 1 is extracted, the smoke is mixed with air to form mainstream smoke, entering the consumer's mouth through the filter section.
  • Embodiment 1 The differences from Embodiment 1 are as follows: An annular boss 6-2-2 is not provided on the circumferential side wall of the tapered cavity of the mainstream smoke forming tube 6-2 at a position corresponding to the cone hole 6-1-2. There is one cone hole 6-1-2 disposed at the top of the hollow smoke extraction cone 6-1. An axial cross-sectional view of the parts when the smoke extraction element 6 has a split structure is shown in FIG.7 . Namely,
  • a plug-in oxygen-deficient heating smoking set including a cigarette accommodating cavity 3, as well as a smoke extraction element 6 that can be detached from the smoking set;
  • the smoke extraction element 6 includes a hollow smoke extraction cone 6-1 and a mainstream smoke forming tube 6-2 that can be fixedly or detachedly sleeved on the periphery of the cone body 6-1-1 of the smoke extraction cone 6-1;
  • the hollow part of the hollow smoke extraction cone 6-1 has a tapered structure, and the top of the hollow smoke extraction cone 6-1 has a cone hole 6- 1-2,
  • the mainstream smoke forming tube 6-2 has an internal cavity 6-2-1, and the outline of the cavity 6-2-1 has a Venturi tube structure, namely, the tapered cavity and the gradual expansion cavity are connected by a cylindrical cavity with a small inner diameter, at least one through hole 6-2-3 is disposed on the circumferential side wall of the mainstream smoke forming tube 6-2, the through hole 6-2-3 is located upstream of the tapered cavity of the mainstream smoke forming tube 6-2, the axial distance between the through hole 6-2-3 and the bottom surface of the cone body 6-1-1 is less than that between the cone hole 6-1-2 and the bottom surface of the cone body 6-1-1;
  • the inner diameter of the cigarette accommodating cavity 3 is larger than the outer diameter of the smoke extraction element 6;
  • airflow channel 6-3 that is in airflow communication with the cavity 6-2-1 between the inner wall of the tapered cavity of the mainstream smoke forming tube 6-2 and the outer wall of the cone body 6-1-1.
  • the airflow channel 6-3 becomes narrower. As airflow velocity gradually increases, Coanda effect and the Venturi phenomenon are more significant, and the smoke extraction effect is enhanced.
  • the bottom end of the cone of the smoke extraction cone 6-1 is provided with an axially extending sleeve section 6-1-3, and one end of the mainstream smoke forming tube 6-2 away from the cone body 6-1-1 has an axially extending inner diameter enlarged section 6-2-3;
  • a heating element 5 is provided on the bottom surface and the circumferential side wall of the cigarette accommodating cavity 3;
  • the shape of the smoke extraction element 6 is suitable for being accommodated in the cigarette accommodating cavity 3.
  • a plug-in three-section cigarette including the smoke extraction element 6 of Embodiment 6 and that can be detached from the smoking set, and the segmented cigarette of Embodiment 3, the tobacco section 1 of the segmented cigarette is plugged in the sleeve sections 6-1-3 at both ends of the smoke extraction element 6, the filter section 2 is plugged in the inner diameter enlarged section 6-2-4 of the smoke extraction element 6.

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  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Claims (6)

  1. Ensemble de fumage à chauffage par manque d'oxygène enfichable, comprenant une cavité de logement de cigarette (3), caractérisé en ce que l'ensemble de fumage comprenant également un élément d'extraction de fumée (6) qui est fixé dans une cavité de logement de cigarette (3) ;
    L'élément d'extraction de fumée (6) comprend un cône d'extraction de fumée creux (6-1) et un tube de formation de fumée courant principal (6-2) qui est manchonné de manière fixe ou détachée sur le pourtour d'un corps de cône (6-1-1) du cône d'extraction de fumée (6-1) ;
    La partie creuse du cône d'extraction de fumée creux (6-1) a une structure conique, et le sommet et/ou la paroi latérale du cône d'extraction de fumée creux (6-1) a un trou de cône (6-1-2), il y a au moins un trou de cône (6-1-2) ;
    Le tube de formation de fumée courant principal (6-2) a une cavité interne (6-2-1), et le contour de la cavité (6-2-1) a une structure de tube de Venturi, à savoir une structure amont rétrécie et une structure aval d'expansion graduelle reliées par une cavité cylindrique avec un petit diamètre intérieur, au moins un trou de passage (6-2-3) est disposé sur la paroi latérale circonférentielle du tube de formation de fumée courant principal (6-2), le trou de passage (6-2-3) est situé en amont de la cavité amont conique du tube de formation de fumée courant principal (6-2), la distance axiale entre le trou de passage (6-2-3) et la surface de fond du corps de cône (6-1-1) est inférieure à celle entre le trou de cône (6-1-2) et la surface de fond du corps de cône (6-1-1) ;
    Le diamètre intérieur de la cavité de logement de cigarette (3) est supérieur au diamètre extérieur de l'élément d'extraction de fumée (6) ;
    Un canal d'écoulement d'air (6-3) relié à la cavité (6-2-1) est situé entre la paroi intérieure de la cavité conique du tube de formation de fumée courant principal (6-2) et la paroi extérieure du corps de cône (6-1-1).
  2. Ensemble de fumage à chauffage par manque d'oxygène enfichable, comprenant une cavité de logement de cigarettes (3), caractérisé en ce que l'ensemble de fumage comprend également un élément d'extraction de fumée (6), l'élément d'extraction de fumée (6) est disposé de manière détachable avec la partie restante de l'ensemble de fumage, la partie restante de l'ensemble de fumage est la partie de l'ensemble de fumage à l'exception de l'élément d'extraction de fumée (6) ;
    l'élément d'extraction de fumée (6) comprend un cône d'extraction de fumée creux (6-1) et un tube de formation de fumée courant principal (6-2) qui est manchonné de manière fixe ou détachée sur le pourtour d'un corps de cône (6-1-1) du cône d'extraction de fumée (6-1) ;
    La partie creuse du cône d'extraction de fumée creux (6-1) a une structure conique, et le sommet et/ou la paroi latérale du cône d'extraction de fumée creux (6-1) a un trou de cône (6-1-2), il y a au moins un trou de cône (6-1-2) ;
    le tube de formation de fumée courant principal (6-2) a une cavité interne (6-2-1), et le contour de la cavité (6-2-1) a une structure de tube de Venturi, à savoir, une structure amont de rétrécissement conique et une structure aval d'expansion graduelle reliées par une cavité cylindrique avec un petit diamètre intérieur, au moins un trou de passage (6-2-3) est disposé sur la paroi latérale circonférentielle du tube de formation de fumée courant principal (6-2), le trou de passage (6-2-3) est situé en amont de la cavité amont conique du tube de formation de fumée courant principal (6-2), la distance axiale entre le trou de passage (6-2-3) et la surface de fond du corps de cône (6-1-1) est inférieure à celle entre le trou de cône (6-1-2) et la surface de fond du corps de cône (6-1-1) ;
    le diamètre intérieur de la cavité de logement de cigarette (3) est supérieur au diamètre extérieur de l'élément d'extraction de fumée (6) ;
    un canal d'écoulement d'air (6-3) relié à la cavité (6-2-1) est situé entre la paroi intérieure de la cavité conique du tube de formation de fumée courant principale (6-2) et la paroi extérieure du corps de cône (6-1-1).
  3. L'ensemble de fumage à chauffage par manque d'oxygène enfichable de la revendication 1 ou 2, dans lequel un bossage annulaire (6-2-2) est disposé sur la paroi latérale circonférentielle de la cavité conique du tube de formation de fumée courant principale (6-2) à une position correspondant au trou de cône (6-1-2).
  4. L'ensemble de fumage à chauffage par manque d'oxygène enfichable de la revendication 1 ou 2, dans lequel le canal d'écoulement d'air (6-3) devient plus étroit vers le côté du tube de formation de fumée courant principal (6-2).
  5. L'ensemble de fumage à chauffage par manque d'oxygène enfichable de la revendication 1 ou 2, dans lequel une extrémité de fond du cône du cône d'extraction de fumée (6-1) est pourvue d'une section de manchon s'étendant axialement (6-1-3), une extrémité du tube de formation de fumée courant principal (6-2) éloignée du corps de cône (6-1-1) a une section élargie de diamètre intérieur s'étendant axialement (6-2-4).
  6. L'ensemble de fumage à chauffage par manque d'oxygène enfichable de la revendication 1 ou 2, dans lequel un élément chauffant (5) est disposé sur la paroi latérale circonférentielle et/ou la surface de fond de la cavité de logement de cigarette (3).
EP20933600.7A 2020-04-28 2020-09-29 Ensemble à fumer à chauffage pauvre en oxygène de type enfichable et système de cigarette le comprenant, et procédé pour fumer Active EP4005422B1 (fr)

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CN202010349485.0A CN113558298B (zh) 2020-04-28 2020-04-28 一种插接式贫氧加热烟具及包含其的卷烟组件和抽烟方法
CN202010349460.0A CN113558296B (zh) 2020-04-28 2020-04-28 文丘里效应增强的烟具及包含其的卷烟组件和使用方法
PCT/CN2020/118761 WO2021218025A1 (fr) 2020-04-28 2020-09-29 Ensemble à fumer à chauffage pauvre en oxygène de type enfichable et système de cigarette le comprenant, et procédé pour fumer

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CN113558296B (zh) * 2020-04-28 2024-07-09 云南中烟工业有限责任公司 文丘里效应增强的烟具及包含其的卷烟组件和使用方法
CN113558298B (zh) * 2020-04-28 2024-06-28 云南中烟工业有限责任公司 一种插接式贫氧加热烟具及包含其的卷烟组件和抽烟方法
EP4268626A4 (fr) * 2020-12-25 2024-11-27 Zhengzhou Tobacco Research Institute of CNTC Ensemble à fumer de type à chauffage pauvre en oxygène
CN113951563B (zh) * 2021-11-16 2024-11-22 江西中烟工业有限责任公司 一种加热卷烟用的烟杯
CN117223900B (zh) * 2022-06-07 2025-10-10 云南中烟工业有限责任公司 一种气溶胶产生装置及其使用方法

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EP2967137B1 (fr) * 2013-03-15 2021-03-03 Philip Morris Products S.a.s. Article à fumer avec élément dirigeant le flux d'air comprenant un agent modificateur d'aérosol

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US3796223A (en) * 1971-11-15 1974-03-12 J Tarrant Cigarette holder
DE19935706A1 (de) * 1999-07-29 2001-02-01 Kumar Zubide Rauchfreie Zigarette
GB201501950D0 (en) * 2015-02-05 2015-03-25 Jt Int Sa Aerosol guiding device and aerosol generating system comprising said aerosol guiding device
CN104921296A (zh) * 2015-06-25 2015-09-23 云南中烟工业有限责任公司 一种用于加热不燃烧型卷烟的复合嘴棒
CN206251933U (zh) * 2016-11-14 2017-06-16 林光榕 具有渐扩形出烟管的电子烟雾化器
CN207322676U (zh) * 2017-09-22 2018-05-08 中国烟草总公司郑州烟草研究院 一种一次性加热不燃烧卷烟
CN209031264U (zh) * 2018-10-18 2019-06-28 湖南中烟工业有限责任公司 一种加热非燃烧卷烟
CN209950385U (zh) * 2019-03-07 2020-01-17 深圳市乐瑞达科技有限公司 电子烟

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EP2967137B1 (fr) * 2013-03-15 2021-03-03 Philip Morris Products S.a.s. Article à fumer avec élément dirigeant le flux d'air comprenant un agent modificateur d'aérosol

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