EP3871468B1 - Élément chauffant et ensembles dispositif de chauffage, cartouches et dispositifs de vapotage comprenant un élément chauffant - Google Patents

Élément chauffant et ensembles dispositif de chauffage, cartouches et dispositifs de vapotage comprenant un élément chauffant Download PDF

Info

Publication number
EP3871468B1
EP3871468B1 EP20706888.3A EP20706888A EP3871468B1 EP 3871468 B1 EP3871468 B1 EP 3871468B1 EP 20706888 A EP20706888 A EP 20706888A EP 3871468 B1 EP3871468 B1 EP 3871468B1
Authority
EP
European Patent Office
Prior art keywords
heating element
lead portion
filament
tip
heater assembly
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
EP20706888.3A
Other languages
German (de)
English (en)
Other versions
EP3871468A1 (fr
Inventor
Arie HOLTZ
Isaac WEIGENSBERG
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.)
Altria Client Services LLC
Original Assignee
Altria Client Services LLC
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 US16/273,612 external-priority patent/US11882878B2/en
Application filed by Altria Client Services LLC filed Critical Altria Client Services LLC
Priority to EP23167408.6A priority Critical patent/EP4236621A3/fr
Publication of EP3871468A1 publication Critical patent/EP3871468A1/fr
Application granted granted Critical
Publication of EP3871468B1 publication Critical patent/EP3871468B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/42—Heating elements having the shape of rods or tubes non-flexible
    • H05B3/44—Heating elements having the shape of rods or tubes non-flexible heating conductor arranged within rods or tubes of insulating material
    • 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
    • A24F40/10—Devices using liquid inhalable precursors
    • 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
    • A24F40/46—Shape or structure of electric heating means
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/02—Details
    • H05B3/04—Waterproof or air-tight seals for heaters
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/014—Heaters using resistive wires or cables not provided for in H05B3/54
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/021—Heaters specially adapted for heating liquids
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/022—Heaters specially adapted for heating gaseous material

Definitions

  • At least some example embodiments relate generally to an electronic vaping (e-vaping or e-vapor) device.
  • Electronic vaping devices are used to vaporize a pre-vapor formulation into a vapor. These electronic vaping devices may be referred to as e-vaping devices. E-vaping devices include a heater, which vaporizes the pre-vapor formulation to produce the vapor. The e-vaping device may include several e-vaping elements including a power source, a cartridge or e-vaping tank including the heater and a reservoir capable of holding the pre-vapor formulation.
  • WO 2016/172448 discloses a power supply section for an e-vapor device which includes a power supply section housing including a power supply portion and a heater assembly portion.
  • the power supply portion includes a power supply
  • the heater assembly portion includes a heating element and a support.
  • the power supply is configured to selectively supply power to the heating element.
  • the heating element includes a planar portion and first and second lead portions.
  • the planar portion includes at least one filament.
  • the first and second lead portions extend away from the planar portion.
  • the support may support the heating element in the power supply section housing.
  • the support includes a first slot and a second slot, and the first lead portion extends through the first slot, and the second lead portion extends through the second slot.
  • CN 104 770 893 discloses a smoke generator which includes a number of heaters circumferentially fixed within a support tube.
  • US 2018/125120 discloses a cartridge of an e-vaping device which includes a housing extending in a longitudinal direction, a reservoir in the housing and a heater in the housing.
  • the reservoir is configured to store a pre-vapor formulation.
  • the heater has a sinusoidal shaped member translating about an elliptical shape to define a channel there through.
  • At least one example embodiment relates to a heater assembly.
  • a heater assembly comprises a heating element including a planar portion including a filament, the filament defining an air channel through the planar portion, the filament arranged so as to form a plurality of curves, each of the curves having a closed end and an open end, and at least one of the curves having a tip thereon, a first lead portion, and a second lead portion. At least one of the first lead portion, the second lead portion, or both the first lead portion and the second lead portion are generally coplanar with the planar portion of the heating element.
  • the heater assembly also includes a support. The heating element is in contact with the support such that the tip of the at least one of the curves rests thereon.
  • At least one of the curves generally has a keyhole shape. In at least one example embodiment, at least one of the curves generally has an omega shape. In at least one example embodiment, at least one of the curves generally has a U-shape. In at least one example embodiment, the tip extends from the closed end of the at least one of the curves. In at least one example embodiment, the filament defines the air channel through a central area of the planar portion. In at least one example embodiment, the tip of the at least one of the curves extends away from the air channel, and the open end of each of the curves is adjacent the air channel.
  • the filament includes stainless steel. In at least one example embodiment, the filament follows a circuitous path. A width of the filament varies along the circuitous path. In at least one example embodiment, a width of the filament gradually increases in a direction away from the air channel.
  • the first lead portion extends into the air channel and the second lead portion extends away from the air channel.
  • the first lead portion and the second lead portion extend away from the air channel.
  • the support includes a support ring.
  • the support ring is formed of one or more materials including polyetheretherketone.
  • the support ring includes at least one electrical contact molded within the support ring.
  • the tip has a generally trapezoidal shape. In at least one example embodiment, the tip has a generally rectangular shape. In at least one example embodiment, the tip has a generally triangular shape.
  • At least one of the first lead portion, the second lead portion, or both the first lead portion and the second lead portion having a generally spiral shape.
  • At least one of the first lead portion, the second lead portion, or both the first lead portion and the second lead portion having a generally L-shape.
  • At least one example embodiment relates to a cartridge for an e-vapor device.
  • a cartridge for an e-vapor device comprises a housing, a reservoir in the housing, a transfer material adjacent a portion of the reservoir, and a heater assembly.
  • the heater assembly includes a heating element and a support.
  • the heating element includes a planar portion including a filament, the filament defining an air channel through the planar portion, the filament arranged so as to form a plurality of curves, each of the curves having a closed end and an open end, and at least one of the curves having a tip thereon, a first lead portion, and a second lead portion. At least one of the first lead portion, the second lead portion, or both the first lead portion and the second lead portion are generally coplanar with the planar portion of the heating element.
  • the heating element is in contact with the support such that the tip of the at least one of the curves rests thereon.
  • the planar portion, the first lead portion, and the second lead portion are a unitary body.
  • the cartridge further comprise an inner tube within the housing.
  • the inner tube defines an airway through the housing, and an outer surface of the inner tube and an inner surface of the housing at least partially define a portion of the reservoir.
  • the filament includes stainless steel.
  • the filament follows a circuitous path.
  • a width of the filament varies along the circuitous path.
  • the width of the filament gradually increases in a direction away from the air channel.
  • the first lead portion extends into the air channel and the second lead portion extends away from the air channel.
  • the first lead portion and the second lead portion extend away from the air channel.
  • the support includes a support ring.
  • the support ring is formed of one or more materials including polyetheretherketone.
  • the support ring includes at least one electrical contact molded within the support ring.
  • the tip of the at least one of the curves has a generally trapezoidal shape. In at least one example embodiment, the tip of the at least one of the curves has a generally rectangular shape. In at least one example embodiment, the tip of the at least one of the curves has a generally triangular shape.
  • At least one of the first lead portion, the second lead portion, or both the first lead portion and the second lead portion having a generally spiral shape. In at least one example embodiment, at least one of the first lead portion, the second lead portion, or both the first lead portion and the second lead portion having a generally L-shape.
  • the support is a generally cylindrical wall having a top edge, and the tip of the at least one of the curves rests on the top edge of the generally cylindrical wall.
  • at least one of the curves generally has a keyhole shape.
  • at least one of the curves generally has an omega shape.
  • at least one of the curves generally has a U-shape.
  • the tip extends from the closed end of the at least one of the curves.
  • the tip has a generally pointed shape.
  • the heating element is in contact with the transfer material.
  • the tip of the at least one of the curves has a generally pointed shape.
  • first, second, third, etc. may be used herein to describe various elements, regions, layers and/or sections, these elements, regions, layers, and/or sections should not be limited by these terms. These terms are only used to distinguish one element, region, layer, or section from another region, layer, or section. Thus, a first element, region, layer, or section discussed below could be termed a second element, region, layer, or section without departing from the teachings of example embodiments.
  • spatially relative terms e.g., "beneath,” “below,” “lower,” “above,” “upper,” and the like
  • the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as “below” or “beneath” other elements or features would then be oriented “above” the other elements or features. Thus, the term “below” may encompass both an orientation of above and below.
  • the device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
  • Example embodiments are described herein with reference to cross-sectional illustrations that are schematic illustrations of idealized embodiments (and intermediate structures) of example embodiments. As such, variations from the shapes of the illustrations as a result, for example, of manufacturing techniques and/or tolerances, are to be expected. Thus, example embodiments should not be construed as limited to the shapes of regions illustrated herein but are to include deviations in shapes that result, for example, from manufacturing. Thus, the figures are schematic in nature and their shapes are not intended to illustrate the actual shape of a region of a device and are not intended to limit the scope of example embodiments.
  • Figs. 1A-1C are perspective views of a heating element and portions of the heating element according to at least one example, not within the scope of the claims, but provided to aid understanding of the present disclosure.
  • Fig. 1A illustrates a heating element 10 for an e-vapor device.
  • the heating element 10 includes a planar portion 20 having at least one filament 50.
  • the filament 50 may define an air channel 60 through the planar portion 20.
  • the filament 50 defines the air channel 60 through a central area of the planar portion 20 (e.g., such that air flowing through the central area is unobstructed).
  • the air channel 60 may have a substantially circular shape.
  • the planar portion 20 (with the filament 50) may have a substantially flat or planar structure.
  • a portion of the filament 50 may be punched in or punched out so as to change the flat structure into a three-dimensional structure. This may allow for the heating element 10 to heat additional surface area of a porous substrate of an e-vapor device.
  • the structure of the filament 50 is described in further detail below with reference to Figs. 1B and 1C .
  • the heating element 10 may include stainless steel or alloy thereof.
  • Stainless steel e.g., stainless steel 304
  • the heating element 10 may include Nichrome (e.g., 80% nickel, 20% chromium) or other materials.
  • suitable electrically resistive materials for the heating element 10 include titanium, zirconium, tantalum, and metals from the platinum group.
  • suitable metal alloys include stainless steel, nickel-, cobalt-, chromium-, aluminum-, titanium-, zirconium-, hafnium-, niobium-, molybdenum-, tantalum-, tungsten-, tin-, gallium-, manganese-, and iron-containing alloys, and super-alloys based on nickel, iron, cobalt, and stainless steel.
  • the heating element 10 may include nickel aluminides, a material with a layer of alumina on the surface, iron aluminides, and other composite materials.
  • the electrically resistive material may optionally be embedded in, encapsulated, or coated with an insulating material or vice-versa, depending on the kinetics of energy transfer and the external physicochemical properties required.
  • the heating element 10 may comprise at least one material selected from the group consisting of stainless steel, copper, copper alloys, nickel-chromium alloys, superalloys, and combinations thereof.
  • the heating element 10 includes iron-chromium alloys. A higher resistivity for the heating element 10 lowers the current draw or load on the power supply or battery of an e-vapor device.
  • the heating element 10 may include a first lead portion 30 and a second lead portion 40 extending away from the planar portion 20.
  • the first lead portion 30 and the second lead portion 40 extend away from the planar portion 20 in a direction that is substantially perpendicular to the planar portion 20.
  • the planar portion 20, the first lead portion 30, and the second lead portion 40 are a unitary body, which allows for efficient manufacturing of the heating element 10.
  • the heating element 10 may be initially formed as a substantially flat element before first and second lead portions 30 and 40 are bent as shown in Fig. 1A . Accordingly, the heating element 10 may be referred to as a single piece heating element.
  • a tip 31 of the first lead portion 30 and a tip 41 of the second lead portion 40 may be bent or bendable in a direction that is parallel to the planar portion 20 (this bending is explicitly shown in Figs. 2B and 5B , for example).
  • a height H10 of the heating element 10 may be between 6.0mm and 10mm, for example, 8.5mm.
  • a width W10 of the heating element 10 may be between 4.5mm and 5mm, for example, 4.72mm.
  • a width W20 of the first lead portion 30 and the second lead portion 40 may be between 1.0mm and 3.0mm, for example, 1.9mm.
  • a length L10 of the heating element 10 may be between 4.7mm and 7.8mm, for example, 7.4mm.
  • a thickness T10 of the planar portion 20 may be between 0.05mm and 0.30mm, for example, 0.10mm. The thickness T10 may be uniform throughout the planar portion 20, the first lead portion 30, and the second lead portion 40. However, example embodiments are not limited thereto. For example, the thickness of the planar portion 20 may be less than a thickness of the first lead portion 30 and the second lead portion 40.
  • the first lead portion 30 and the second lead portion 40 may be substantially rectangular shaped and have step portions 33 and 35 at ends closest to the planar portion 20. Step portions 35 may rest on a surface of a support for the heating element 10 while step portions 33 may provide a force that allows for the heating element 10 to be push fit into the support (see support 350 in Figs. 5A and 5B , for example). Although two step portions 33 and 35 are shown, the first and second lead portions 30 and 40 may have one step portion or additional step portions as desired.
  • the filament 50 may follow a circuitous or sinuous path 51 to define the air channel 60.
  • the filament 50 may follow the circuitous path 51 such that the air channel 60 is substantially circular and has a diameter d10 between 1.2mm and 2.0mm, for example, 1.6mm.
  • the filament 50 may have a diameter d20 between 3.0mm and 7.0mm, for example, 4.1mm.
  • the filament 50 may be spaced apart from other sections of the planar portion 20 except at connection points 25 and 26. As a result, the electrical connection between the first lead portion 30 and the second lead portion 40 is through the filament 50 (i.e., during operation, current must travel between lead portions 30 and 40 through filament 50 and parts of the planar portion 20 connected to the connection points 25 and 26).
  • the filament 50 includes a plurality of filament portions 70 that are substantially u-shaped.
  • the plurality filament portions 70 change from one to the other at end sections 80 of each u-shape.
  • a width of the filament 50 may vary along the circuitous path 51.
  • a width W30 may be between 0.05mm and 0.30mm, for example.
  • a width W40 may be between 0.05mm and 1.0mm, for example 0.16mm.
  • a width W50 may be between 0.25mm and 1.00mm, for example, 0.65mm.
  • a length L20 of each filament portion 70 may be between 0.5mm and 3.5mm, for example, 2.5mm. It should be understood that a number of filament portions 70 may vary as desired. For example, the number of filament portions 70 may be between 3 and 25.
  • Spaces 110 between adjacent ones of the plurality of filament portions 70 may gradually increase in a direction away from the air channel 60.
  • a width W60 of the space 110 closest to the air channel 60 may be less than a width W70 of the space 110 furthest from the air channel 60.
  • a width W60 and a width W70 may be set so that a widest section of the spaces 110 at width W70 occupies between 2° and 90°, for example, 8.3° of a 360° circle around the filament 50 (shown in Fig. 1C by angle ⁇ ).
  • the same dimensions may be set for widths W75 and W80 of spaces 111 between u-shaped portions of each filament portion 70.
  • a length L30 between an end of space 111 that is furthest from the air channel 60 and a part of the u-shaped portion furthest away from the air channel 60 may be between 0.1mm and 0.7mm, for example, 0.3mm.
  • a thickness T20 of the filament portions 70 may be between 0.05mm and 0.30mm, for example, 0.10mm.
  • the filament 50 may generate a gradient of heat that is most intense near the air channel 60 and gradually dissipates in a direction away from the air channel 60.
  • an electrochemical etching process may be used to manufacture heating element 10 with the above described dimensions.
  • the heating element 10 may be formed using a stamping process. It should also be understood that some parts of or the entire heating element 10 may be scaled up or down (e.g., scaled up 2.5 times larger than described above) depending on the desired implementation an e-vapor device.
  • Figs. 2A and 2B illustrate a heating element according to at least one example, not within the scope of the claims but provided to aid understanding of the present disclosure.
  • Fig. 2A is a top-view of a heating element 10' before bending
  • Fig. 2B is a perspective view of the heating element 10' after bending.
  • heating element 10' is similar to the heating element 10 in Figs. 1A-1C , and includes a planar portion 20', a first lead portion 30', a second lead portion 40'. However, heating element 10' does not include an air channel 60 through the filament 50'.
  • the transition from Fig. 2A to Fig. 2B shows how the heating element 10' in Fig. 2A is bent along the dotted lines to form the heating element 10' in Fig. 2B with bent first and second lead portions 30' and 40' and bent tips 31' and 41'. It should be appreciated that tips 31 and 41 in Fig. 1 may be bent in the same manner as shown by tips 31' and 41' in Fig. 2B .
  • Figs. 3A and 3B are perspective views of heating elements according to at least one example, not within the scope of the claims, but provided to aid understanding of the present disclosure.
  • Fig. 3A is a perspective view of a dual heating element according to at least one example.
  • the dual heating element 10" may include two or more heating elements (e.g., two heating elements 10 from Fig. 1 ) stacked on top of one another.
  • the heating elements 10 may be electrically connected to one another via welding, soldering, or a pressure-based connection. If a porous substrate in fluid communication with a pre-vapor formulation is placed between the two heating elements 10, the dual heating element 10" may uniformly heat both sides of the porous substrate to create a high efficiency vapor production.
  • a pre-vapor formulation is a material or combination of materials that may be transformed into a vapor.
  • the pre-vapor formulation may be a liquid, solid, and/or gel formulation including, but not limited to, water, beads, solvents, active ingredients, ethanol, plant extracts, natural or artificial flavors, and/or vapor formers such as glycerine and propylene glycol.
  • Fig. 3A shows that the dual heating element 10" may be formed from two heating or more elements 10, it should be understood that the dual heating element 10" may include two or more heating elements 10' from Figs. 2A and 2B , or one or more heating elements 10 and one or more heating elements 10' stacked in a desired configuration.
  • Fig. 3B is a perspective view of a heating element according to at least one example.
  • Fig. 3B illustrates a heating element 10′′′ with a filament 50′′′ that defines an opening 60′′′.
  • the heating element 10′′′ may have substantially the same dimensions as the heating element 10 from Figs. 1A-1C except that the filament 50′′′ has filament portions 70′′′ that have a substantially same width and substantially rounded ends throughout the circuitous or sinuous path.
  • Figs. 4A and 4B are cross-sectional views of an e-vapor device including a heating element according to an example, not within the scope of the claims, but included to aid understanding of the present disclosure.
  • Figs. 4A and 4B illustrate sections of an e-vapor device 200.
  • the e-vapor device 200 may have a mouthpiece section 210, a cartridge 220, and a power supply section 230.
  • the mouthpiece section 210 may fit (e.g., pressure fit, or thread fit) onto the cartridge 220 in order to allow for an adult vaper to apply a negative pressure to the mouthpiece section 210 and draw vapor from e-vapor device. It should be understood that the mouthpiece 210 may be excluded from the configuration shown in Figs. 4A and 4B or integrated with the cartridge 220 to reduce the number of parts.
  • the cartridge 220 may include a heating element (e.g., one of the heating elements of Figs. 1A-3 ).
  • the cartridge 220 may be replaceable.
  • the cartridge 220 is described in more detail below with reference to Figs. 5A-5H , and 6 .
  • the cartridge 220 and the power supply section 230 may be releasably connected (e.g., by a threading engagement).
  • the cartridge 220 and the power supply section 230 may be in a unitary housing.
  • the power supply section 230 may be configured to selectively supply power to the heating element in the cartridge 220 via a battery 250.
  • the power supply section 230 may include an indicator 235, control electronics 240, battery 250, air inlet 255, conductive post 260, and a connector 265.
  • the indicator 235 may be, for example, a light emitting diode (LED) located at one end of the power supply section 230.
  • the LED may flash different colors and/or different patterns to indicate different information about the e-vapor device 200. For example, the LED may flash one color to indicate activation of the e-vapor device 200 and another color to indicate a battery level of the battery 250. However, examples are not limited thereto, and the LED may be used to indicate other information through various colors and patterns of flashes.
  • the battery 250 may selectively supply power to the indicator 235, the control electronics 240, and the heating element 10 (see Figs. 5A and 5B ).
  • the battery 250 may selectively supply power under a control of the control electronics 240.
  • the control electronics 240 may include control circuitry including a puff sensor for sensing a negative pressure applied by an adult vaper. The puff sensor is operable to sense an air pressure drop in the e-vapor device 200, which causes the control electronics 240 to initiate the application of voltage from the battery 250 to the heating element 10.
  • the control electronics 240 initiates a puff cycle by connecting the battery 250 to the heating element 10 to heat the heating element 10, thereby vaporizing a pre-vapor formulation in a porous substrate in contact with the heating element 10.
  • the puff sensor Upon termination applying negative pressure by an adult vaper, the puff sensor ceases to sense the air pressure drop and the control electronics 240 disconnects the battery 250 from the heating element 10 to end the puff cycle.
  • the control electronics 240 may be between the indicator 235 and the battery 250 within the power supply section 230.
  • the connector 265 may facilitate a threaded connection to the cartridge 220.
  • the threaded connection may be a combination of a conductive male threaded member on the connector 265 and a conductive or non-conductive female threaded receiver on the cartridge 220 (or vice versa).
  • the threaded connection may be in a form of other suitable structures, such as a snug-fit, detent, clamp, and/or clasp arrangement.
  • one terminal of the battery 250 is electrically connected to the conductive post 260 and the other terminal of the battery 250 is electrically connected to the connector 265 via the control electronics 240.
  • the power supply section 230 may include an air inlet/outlet 255 at an end of the power supply section 230 nearest to the control electronics 240.
  • air inlet/outlet 255 As shown by the arrows in in Fig. 4B , when air is drawn through the mouthpiece 210, air enters the tip of the e-vapor device 200 at air inlet/outlet 255, travels past the control electronics 240 that includes the puff sensor through the spaces provided around the puff sensor (thereby detecting a negative pressure and activating the heating element 10), and continues past the battery 250. The air then goes through an opening in the axis of a conductive post 260 of the battery's 250 male connector, and straight into a conductive rivet engaged with the female connector of the cartridge 220 (see element 360 in Figs. 5A and 5B ).
  • the air is then inundated with particles of vapor (produced by the heating of a porous substrate containing a pre-vapor formulation as a result of the activated heating element 10) and exits through the mouthpiece section 210. As shown by the return arrows in Fig. 4B , excess vapor travels through the e-vapor device 200 and may be exhausted from the air inlet/outlet 255.
  • the e-vapor device 200 may include additional air inlets/outlets at other locations on the e-vapor device, for example, at or closer to a connection between the cartridge 220 and the power supply section 230. This may allow for air intake at other locations of the e-vapor device 200.
  • the battery 250 may be a Lithium-ion battery or one of its variants (e.g., a Lithium-ion polymer battery).
  • the battery 250 may also be a Nickel-metal hydride battery, a Nickel cadmium battery, a Lithium-manganese battery, a Lithium-cobalt battery, or a fuel cell.
  • Figs. 5A-5H illustrate elements of a cartridge of the e-vapor device in Fig. 4 .
  • FIG. 5A is an exploded view of a cartridge of the e-vapor device shown in Fig. 4 .
  • Fig. 5B is a cross-sectional view of the cartridge in Fig. 5A taken along line VB-VB'.
  • Figs. 5C-5H illustrate the details of various parts of the cartridge shown in Figs. 5A and 5B .
  • Figs. 5A and 5B illustrate that the cartridge 220 includes a housing 300.
  • the housing 300 may include a reservoir portion 310 and a connector portion 320.
  • the connector portion 320 is configured to connect the cartridge 220 to a power supply section (e.g., the power supply section 230 in Fig. 4 ).
  • the connector portion 320 may be substantially hollow and have a substantially cylindrical shape.
  • the connector portion 320 may include a female thread 321 for releasably engaging with a male thread of the connector 265 of power supply section 230 in Fig. 4 .
  • the connector portion 320 may be made of, for example, a synthetic polymer or other material suitable for e-vapor devices such as solid plastic, and/or metal (e.g., stainless steel).
  • An inner wall of the connector portion 320 may be conductive or non-conductive.
  • the connector portion 320 may include substantially rectangular tabs (e.g., flexible tabs) 510 and 520 on opposing edges of the connector portion 320.
  • the tabs 510 and 520 provide a releasable snap fit connection to connection points 490 of the reservoir portion 310 (see Fig. 6 ).
  • a body 525 of the connector portion 320 may have a height H20 of between 3.0mm and 10.0mm, for example, 4.70mm.
  • a diameter D30 of the connector portion 320 may be between 8.5mm and 9.5mm, for example, 9.0mm.
  • the diameter D30 may be larger or smaller depending on the application.
  • diameter D30 may be the same as the diameter D35 of the reservoir portion 310.
  • the connector portion 320 and the power supply section 230 may be fixed together (i.e., not releasable).
  • the reservoir portion 310 is a storage portion configured to store a pre-vapor formulation in a cavity 311 of the reservoir portion 310.
  • the cavity 311 may include a pre-vapor formulation containing material (e.g., a material to draw the pre-vapor formulation via capillary action).
  • the reservoir portion 310 may have a substantially cylindrical shape and be made of, for example, a synthetic polymer or other material suitable for e-vapor devices such as, glass, ceramic, and/or metal (e.g., stainless steel).
  • the reservoir portion 310 may have a closed end, an open end, and a cylindrically shaped inner tube 315 may define an airway 600 that passes through a central area of the reservoir portion 310 from the closed end to the open end.
  • the airway 600 may have a diameter of between 1.0mm and 4.0mm, for example, 1.60mm.
  • the reservoir portion 310 may have a height H30 of between 15mm and 60mm, for example, 32.9mm.
  • the reservoir portion 310 may have a diameter D35 of between 6.5mm and 25mm, for example, 9.0mm. That is, the reservoir portion 310 and the connector portion 320 may have a same diameter.
  • the reservoir portion 310 includes at least two connection points 490 (due to the symmetry of reservoir portion 310, only one connection point 490 is shown in Figs. 5A and 5D ). Tabs 510 and 520 of the connector portion 320 may be releasably engaged with the at least two connection points 490 (see Fig. 6 ).
  • the reservoir portion 310 includes a porous substrate 400 in fluid communication with the cavity 311.
  • the porous substrate 400 may be substantially disc shaped and have a diameter of between 5.0mm and 24mm, for example, 8.0mm.
  • the porous substrate may have a thickness T30 between 0.5mm and 2.0mm, for example, 1.0mm.
  • the porous substrate 400 may have a capacity to draw a pre-vapor formulation via capillary action as a result of the interstitial spacing between filaments of the porous substrate 400.
  • the porous substrate 400 may be a ceramic material or other porous material capable of withstanding varying temperatures of the heating element 10 such as a ceramic, mineral fibrous material, metal (in a honeycomb or mesh structure), and glass fibers.
  • a central area of the porous substrate 400 includes an opening 410 with a diameter D40 between 1.0mm and 4.0mm, for example, 2.0mm.
  • the opening 410 may be aligned with the air channel 60 of the heating element 10 and with the airway 600 of the reservoir portion 310.
  • the reservoir portion 310 includes a gasket 420 configured to provide the fluid communication between the porous substrate 400 and the cavity 311.
  • the gasket 420 may include rubber or silicon, or some other material capable of preventing pre-vapor formulation in the cavity 311 from passing between the gasket 420 and walls of the reservoir portion 310 such as organic elastomers and/or inorganic elastomers.
  • the gasket 420 may have a thickness T40 between 1.0mm and 3.0mm, for example, 2.0mm.
  • the gasket 420 may have a diameter D50 between 7.7mm and 8.5mm, for example, 8.1mm.
  • a central area of the gasket 420 includes an opening 440 with a diameter D53 between 2.6mm and 2.8mm, for example, 2.7mm so that the gasket 420 fits around the airway 600.
  • the gasket 420 is configured to provide the fluid communication between the porous substrate 400 and the cavity 311 via at least one aperture 430 disposed adjacent to the opening 440.
  • the gasket 420 includes two or more apertures 430 (e.g., four apertures) disposed in a diamond configuration on opposing sides of the opening 440.
  • the apertures 430 may be substantially circular in shape and have a diameter D55 between 0.8mm and 1.2mm, for example, 1.0mm. However, examples are not limited to the shape and size of the apertures shown in Fig. 5F and it should be understood that the apertures 430 may be of various sizes and shapes so long as the porous substrate 400 does not become oversaturated with pre-vapor formulation and leak from the e-vapor device 200.
  • Figs. 5A and 5B further illustrate that the cartridge 220 includes a heater assembly 330.
  • the heater assembly 330 includes a heating element 10, a support 350, and a conductive rivet 360.
  • the conductive rivet 360 may be optional.
  • the heating element 10 may be, for example, one of the heating elements shown in Figs. 1A-3 .
  • the support 350 may support the heating element 10 and be disposed in the housing 300.
  • the support 350 may include silicon or some other material capable of withstanding varying temperatures of the heating element 10 such as organic elastomers and/or inorganic elastomers.
  • the support 350 may have a substantially cylindrical shape and a diameter D60 between 7.7mm and 8.5mm, for example, 8.1mm. It should be understood that the diameter D60 may vary from these values so long as the support 350 provides an effective seal in the reservoir 310.
  • a central area of an end surface of the support 350 includes a through hole 450 with a diameter D65 between 1.7mm and 2.1mm, for example, 1.93mm.
  • the diameter D65 may vary from these values so long as the support 35 provides an effective seal between an outer wall of the inner tube 315 and the gasket 420.
  • the support 350 may have a height H40 between 3.0mm and 8.0mm, for example, 5.1mm.
  • the through hole 450 may be aligned with the air channel 60, opening 410, and airway 600. If the conductive rivet 360 is not used, then the support 350 may include grooves along a lateral surface of the support 350 instead of the through hole 450. Here, the grooves allow for the airflow formerly provided by the through hole 450 and electrical connection to the powers supply 250 is provided via direct connection with the tip 41.
  • a first slot 460 and a second slot 470 may be on the end surface of the support 35 and disposed at opposing sides of the through hole 450.
  • the first slot 460 and the second slot 470 may have a shape and size that accommodates the first lead portion 30 and the second lead portion 40 of the heating element 10.
  • the slots 460 and 470 have substantially rectangular shapes so that the first lead portion 30 extends through first slot 460, and the second lead portion 40 extends through the second slot 470.
  • the first lead portion 30 and the second lead portion 40 are bent in a direction that is substantially parallel to the planar portion 20 at tips 31 and 41. Although tip 31 is shown in Fig.
  • the tip 31 may extend to contact the wall of the connector portion 320 if desired.
  • the tip 31 may be extended to electrically connect to the inner wall of the connector portion 320 so that the first lead portion 30 is electrically connected to the connector portion 320.
  • the support 350 may include a thin membrane 351 in the first and second slots 460 and 470.
  • the membrane 351 may be penetrated by the first and second lead portions 30 and 40 upon assembly and provide a seal at the penetration point.
  • a thickness of the membrane 351 may be between 0.1mm and 1.0mm, for example, 0.3mm.
  • the lateral surface of the support 350 may have a male thread engagement portion 530 for thread engagement with a female thread engagement of the reservoir portion 310.
  • the support 350 may push fit into the reservoir portion 310.
  • the support 350 may affixed to the reservoir portion 310 with ultrasonic welding.
  • the support 350 and the reservoir portion 310 may have a bayonet connection. It should be appreciated that other connections between the support 350 and the reservoir portion 310 are within the scope of examples.
  • the support 350 may include at least two recesses 480 on opposing sides of the lateral surface of the support 350.
  • the recesses 480 may have a size, shape, and location that accommodate the tabs 510 and 520 of the connector portion 320. As shown in Fig. 5G , the recesses 480 have a substantially rectangular shape and extend from one end of the support 350 to a stop surface 485 to provide a tight fit with the tabs 510 and 520 (see Fig. 6 for connection between connector portion 320 and reservoir portion 310).
  • the support 350 includes a conductive rivet 360 extending through the through hole 450.
  • the conductive rivet 360 may include metal or some other conductive material such as a brass coat with a nickel base and sliver plating.
  • the conductive rivet 360 may include a substantially cylindrical body portion 361 and a substantially circular head portion 363 at one end of the body portion 363.
  • the body portion 361 may have a diameter D70 between 1.77mm and 2.17mm, for example, 2.0mm such that the conductive rivet 360 may push fit into the through hole 450 of the support 350.
  • the conductive rivet 360 may be welded or soldered to a tip 41 of the second lead portion 40.
  • the head portion 363 may have a diameter D75 larger than diameter D70. Diameter D75 may be between 2.5mm and 4.5mm, for example, 4.0mm.
  • the conductive rivet 360 may be substantially hollow. For example, an airway 365 may pass through a central area of conductive rivet 360. The airway 365 may have a diameter D77 between 1.2mm and 1.7mm, for example, 1.6mm.
  • a height H50 from a top surface of the head portion 363 to an opposing end of the conductive rivet 360 may be between 4.0mm and 7.1mm, for example, 6.5mm.
  • a height H55 from an end of the conductive rivet 360 to a bottom surface of the head portion 363 may be between 3.6mm and 6.7mm, for example, 6.1mm.
  • FIG. 5B An electrical connection of the heating element 10 to the battery 250 is described below with reference to Figs. 4A, 4B , 5A , 5B , and 5H .
  • the bottom surface of the head portion 363 is in electrical contact with a tip 41 of the second lead portion 40 while the top surface of the head portion 363 is in electrical contact with the conductive post 260 of the power supply section 230.
  • the head portion 363 is spaced apart from a tip 31 of the first lead portion 30 so as to be electrically isolated from the tip 31.
  • the tip 31 of the first lead portion 30 is electrically connected to connector 265 of the power supply section 230 upon engagement of the cartridge 220 and power supply section 230.
  • the connector 265 may be a conductive male thread of the power supply section 230 that makes electrical contact with the tip 31 upon engagement with a female thread of the connector portion 320.
  • the tip 31 may be extended to electrically connect to the inner wall of the connector portion 320 so that the first lead portion 30 is electrically connected to the connector portion 320.
  • the conductive male thread of the connector 265 may be in electrical contact with tip 31 through the inner wall of the connector portion 320.
  • the puff sensor in control electronics 240 is operable to sense an air pressure drop in the e-vapor device 200 to cause the control electronics 240 to initiate the application of voltage from the battery 250 to the heating element 10 via the above described electrical contacts between the conductive post 260, the conductive rivet 360, and the tip 41 and between the tip 31 and the connector 265.
  • the puff sensor acts as a switch that completes a closed loop circuit through the heating element 10 upon sensing the air pressure drop.
  • the heating element 10 heats vapor drawn into the filament 50 from the porous substrate 400 to form vapor, which enters the adult vaper's mouth via air channel 60, opening 410 and airway 600.
  • the support 350 may have alternative structures that allow air to pass through.
  • the airway 365 there may be other airways at the outer edge of the support 350 so that air is able to pass between the reservoir portion 310 and the support 350.
  • the conductive rivet 360 may be eliminated. In this case, the connector 265 may be in electrical contact with the tip 41 without the conductive rivet 360 in between.
  • Fig. 6 is a three-dimensional rendering of the cartridge shown in Figs. 5A-5H .
  • Fig. 6 shows a completed cartridge 220 that is ready for connection to the mouthpiece 210 and/or connection to power supply section 230 in Fig. 4 via the female thread 321.
  • the heating element 10 may be spaced apart from the end surface of the support 350 with the aid of step portions 33 and/or 35 to provide efficient heat transfer to the porous substrate 400.
  • Fig. 7 is a perspective view of a heater assembly according to at least one example embodiment.
  • the heating element 710 may generally include one or more features of the heating element of FIG. 1A , and the first lead 730 and the second lead 740 are adjacent to one another, the filament 750 may include tip portions 700 that rest on a support 760, and the support 760 includes a support ring.
  • the heater 710 may be formed of a thicker metal material, such as a stainless steel foil, instead of including the leads 730, 740 that extend away from the planar portion 720 of the heating element 710, which provide support to the heating element 710 (some example embodiments may include both a thicker metal material as well as leads 730, 740 that extend away from the planar portion 720 of the heating element 710).
  • the support 760 may be formed of a substantially heat-resistant material, such as polyetheretherketone (PEEK), ceramic, and/or a ceramic-coated metal.
  • the filament 750 is arranged such that a plurality of curves are formed.
  • Each of the at least one curves generally has a keyhole shape, an omega shape, a U-shape, or any combination of these.
  • the at least one curve has a rectangular, square, and/or polygonal shape.
  • the filament 750 defines an air channel 60 through a central area of the planar portion 720 of the heating element 710. The tip portions 700 extend away from the air channel 60, and the open end of each of the curves is adjacent the air channel 60.
  • Fig. 8 is a partial cross-sectional view of a cartridge including the heater assembly of Fig. 7 according to at least one example embodiment.
  • a first contact 770 and a second contact 780 are overmolded in the support 760, such that the first contact 770 is electrically isolated from the second contact 780.
  • the leads 730, 740 of the heating element 710 may each be spot-welded or otherwise placed into contact with a respective one of the first contact 770 and the second contact 780.
  • the heating element 710 may contact at least one transfer material 725, such as the transfer material disclosed in Application No. 15/729,895 filed October 11, 2017, and/or any other suitable transfer material.
  • the heating element 710 may be spaced apart from the transfer material 725, and a wick (not shown) may be placed between the transfer material 725 and the heating element 710.
  • FIG. 9 is a perspective view of a heating element for use in the cartridge of FIG. 8 according to at least one example embodiment.
  • the heating element 910 is generally the same as in FIGS. 7-8 , except that one or more of the tip portions 900 that extend from the filament 950 are generally trapezoidal or rectangular in shape.
  • the first lead 930 and the second lead 940 are generally L-shaped.
  • FIG. 10 is a top view of a heater assembly including a heating element according to at least one example embodiment.
  • one or more features of the heating element 1010 are generally the same as in FIGS. 7-8 , and the first lead 1030 extends into the air channel 1060 and the second lead 1040 extends outwardly.
  • FIG. 11 is an exploded view of the heater assembly of FIG. 10 according to at least one example embodiment.
  • a support 1105 is a ring 1100 that may be formed of one or more of PEEK, ceramic, and/or a ceramic coated metal.
  • the ring 1100 is sized and configured to mate with a base portion 1110 that is formed of an electrically conductive material.
  • the base portion 1110 is generally cylindrical and includes at least one air channel 1115 defined in an outer surface 1120 of the base portion 1110.
  • the base portion 1110 also defines a passage 1130 extending through the base portion 1110 from a first end to a second end thereof.
  • the base portion 1110 also includes a protrusion 1125 extending longitudinally from a top surface 1135 of the base portion 1110.
  • the second lead 1040 of the heating element 1010 contacts the protrusion 1125 to form a first electrical contact.
  • An electrically insulating shell 1150 in the form of a ring is positioned at a second end 1155 of the base portion 1110.
  • the electrically insulating shell 1150 defines a hole 1160 therethrough.
  • a post 1170 formed of an electrically conductive material extends through the hole 1160 and the passage 1130. The post 1170 contacts the first lead 1030 to form a second electrical contact.
  • FIG. 12 is an exploded view of a cartridge including the heating element of FIG. 10 according to at least one example embodiment.
  • the cartridge may include a support 1260 and two side-by-side electrically conductive posts 1220, 1230.
  • the posts 1220, 1230 are electrically insulated from each other, and may be molded into the support 1260 in some example embodiments.
  • the heating element 1010 may abut transfer material 725, which may abut a gasket 1200 having weep holes 1210 therein.
  • the gasket 1200 defines a portion of the reservoir, and pre-vapor formulation from the reservoir may flow through the weep holes 1210 in at least one example embodiment.
  • FIG. 13 is a perspective view of a heater assembly according to at least one example embodiment.
  • one or more features of the heating element 1310 are generally the same as in FIG. 11 and the first lead 1330 extends inwardly from the heating element 1310 and is not planar with the heating element 1310, the second lead 1340 has a generally L-shape, the post 1170 is shorter than the post of FIG. 11 , and air channels 1300 are defined in sides of the support 1350, such that air may flow between the support 1350 and an inner surface of a housing 300 of a cartridge 220.
  • a second electrical contact (not shown) may be overmolded in the support 1350, such that the second lead 1340 contacts the second electrical contact when the heating element 1310 is placed on the support 1350.
  • FIG. 14 is a perspective view of a heater assembly according to at least one example embodiment.
  • one or more features of the heating element 1410 are generally the same as in FIG. 11 , and the first contact 1430 has a generally spiral shape and the second lead 1430 has a generally L-shape.
  • the tip portions 1450 of the heating element 1410 rest on a top surface of the support 1350.
  • the heating element 10 may be reduced in size, such that tips of the heating element 10 are not supported by a support.

Claims (14)

  1. Ensemble de chauffage comprenant :
    un élément chauffant (710) incluant :
    une partie plane incluant un filament (750), le filament (750) définissant un canal d'air (60) à travers la partie plane, le filament (750) étant arrangé de façon à former une pluralité de courbes, chacune des courbes comportant une extrémité fermée et une extrémité ouverte, et au moins une des courbes comportant une pointe (700) sur celle-ci,
    une première partie de conducteur (730), et
    une deuxième partie de conducteur (740), au moins une parmi la première partie de conducteur (730), la deuxième partie de conducteur (740) ou les deux des première (730) et deuxième (740) parties de conducteur étant généralement coplanaire(s) avec la partie plane de l'élément chauffant (710) ; et
    un support (760), l'élément chauffant (710) étant en contact avec le support (760) de façon à ce que la pointe (700) de l'au moins une des courbes repose sur celui-ci.
  2. Ensemble de chauffage selon la revendication 1, dans lequel au moins l'une des courbes a généralement une forme de trou de serrure, une forme d'oméga ou une forme de U.
  3. Ensemble de chauffage selon la revendication 1, dans lequel :
    la pointe (700) s'étend à partir de l'extrémité fermée de l'au moins une des courbes,
    le filament (750) définit le canal d'air (60) à travers une zone centrale de la partie plane,
    la pointe (700) a une forme généralement trapézoïdale,
    la pointe (700) a une forme généralement rectangulaire,
    la pointe (700) a une forme généralement triangulaire, ou
    la pointe (700) a une forme généralement pointue.
  4. Ensemble de chauffage selon la revendication 1, dans lequel la pointe (700) de l'au moins une des courbes s'étend en s'éloignant du canal d'air (60), et l'extrémité ouverte de chacune des courbes est adjacente au canal d'air (60).
  5. Ensemble de chauffage selon la revendication 1, dans lequel le filament (750) inclut de l'acier inoxydable.
  6. Ensemble de chauffage selon la revendication 1, dans lequel le filament (750) suit un parcours sinueux, optionnellement dans lequel une largeur du filament (750) varie le long du parcours sinueux.
  7. Ensemble de chauffage selon la revendication 1, dans lequel la première partie de conducteur s'étend dans le canal d'air et la deuxième partie de conducteur s'étend en s'éloignant du canal d'air (60), ou dans lequel la première partie de conducteur et la deuxième partie de conducteur s'étendent en s'éloignant du canal d'air (60).
  8. Ensemble de chauffage selon la revendication 1, dans lequel le support (760) inclut une bague de support, optionnellement dans lequel la bague de support est formée d'un ou plusieurs matériaux incluant du polyétheréthercétone.
  9. Ensemble de chauffage selon la revendication 8, dans lequel la bague de support inclut au moins un contact électrique moulé dans la bague de support.
  10. Ensemble de chauffage selon la revendication 1, au moins une parmi la première partie de conducteur), la deuxième partie de conducteur (740), ou les deux des première et deuxième parties de conducteur ayant une forme généralement de spirale ou une forme généralement en L.
  11. Cartouche (210) pour un dispositif de vapotage électronique, comprenant :
    un boîtier (300) ;
    un réservoir (310) dans le boîtier (300) ;
    un matériau de transfert (725) adjacent à une partie du réservoir ; et
    l'ensemble de chauffage selon la revendication 1.
  12. Cartouche (210) selon la revendication 11, comprenant en outre :
    un tube interne (315) à l'intérieur du boîtier (300), le tube interne (315) définissant un passage d'air (600) à travers le boîtier (300), et une surface extérieure du tube interne (315) et une surface intérieure du boîtier (300) définissant au moins partiellement une partie du réservoir (310).
  13. Cartouche (210) selon la revendication 11, dans laquelle le support (760) est une paroi généralement cylindrique comportant un bord supérieur, et dans laquelle la pointe (700) d'au moins une des courbes repose sur le bord supérieur de la paroi généralement cylindrique.
  14. Cartouche (210) selon la revendication 11, dans laquelle l'élément chauffant (710) est en contact avec le matériau de transfert (725).
EP20706888.3A 2019-02-12 2020-01-16 Élément chauffant et ensembles dispositif de chauffage, cartouches et dispositifs de vapotage comprenant un élément chauffant Active EP3871468B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP23167408.6A EP4236621A3 (fr) 2019-02-12 2020-01-16 Élément chauffant et ensembles dispositif de chauffage, cartouches et dispositifs de vapotage comprenant un élément chauffant

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16/273,612 US11882878B2 (en) 2015-04-23 2019-02-12 Heating element and heater assemblies, cartridges, and e-vapor devices including a heating element
PCT/US2020/013848 WO2020167407A1 (fr) 2019-02-12 2020-01-16 Élément chauffant et ensembles de chauffage, cartouches et dispositifs de vapotage comprenant un élément chauffant

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP23167408.6A Division EP4236621A3 (fr) 2019-02-12 2020-01-16 Élément chauffant et ensembles dispositif de chauffage, cartouches et dispositifs de vapotage comprenant un élément chauffant

Publications (2)

Publication Number Publication Date
EP3871468A1 EP3871468A1 (fr) 2021-09-01
EP3871468B1 true EP3871468B1 (fr) 2023-04-12

Family

ID=69650718

Family Applications (2)

Application Number Title Priority Date Filing Date
EP20706888.3A Active EP3871468B1 (fr) 2019-02-12 2020-01-16 Élément chauffant et ensembles dispositif de chauffage, cartouches et dispositifs de vapotage comprenant un élément chauffant
EP23167408.6A Pending EP4236621A3 (fr) 2019-02-12 2020-01-16 Élément chauffant et ensembles dispositif de chauffage, cartouches et dispositifs de vapotage comprenant un élément chauffant

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP23167408.6A Pending EP4236621A3 (fr) 2019-02-12 2020-01-16 Élément chauffant et ensembles dispositif de chauffage, cartouches et dispositifs de vapotage comprenant un élément chauffant

Country Status (5)

Country Link
EP (2) EP3871468B1 (fr)
CA (1) CA3125233A1 (fr)
EA (1) EA202192230A1 (fr)
IL (1) IL285566A (fr)
WO (1) WO2020167407A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY189691A (en) * 2015-04-23 2022-02-26 Altria Client Services Llc Unitary heating element and heater assemblies, cartridges, and e-vapor devices including a unitary heating element
US20220201801A1 (en) * 2020-12-21 2022-06-23 Shenzhen Eigate Technology Co., Ltd. Heating element comprising one-way valve

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104770893B (zh) * 2015-03-13 2017-11-10 云南中烟工业有限责任公司 一种烟雾发生器的组装方法
US11464081B2 (en) * 2015-04-23 2022-10-04 Altria Client Services Llc Unitary heating element and heater assemblies, cartridges, and E-vapor devices including a unitary heating element
US10143239B2 (en) * 2016-08-01 2018-12-04 Altria Client Services Llc Cartridge and e-vaping device

Also Published As

Publication number Publication date
EP3871468A1 (fr) 2021-09-01
CA3125233A1 (fr) 2020-08-20
IL285566A (en) 2021-09-30
WO2020167407A1 (fr) 2020-08-20
EP4236621A2 (fr) 2023-08-30
EA202192230A1 (ru) 2021-11-22
EP4236621A3 (fr) 2023-10-18

Similar Documents

Publication Publication Date Title
EP3286984B1 (fr) Dispositif de chauffage et element de chauffage assemblés, cartouches et cigarette electronique comprenant un element de chauffage
EP3286985B1 (fr) Dispositif de chauffage et element de chauffage assemblés, cartouches et cigarette electronique comprenant un element de chauffage
EP3694358B1 (fr) Dispositif de chauffage plié pour dispositif de vapotage électronique
EP3490393B1 (fr) Cartouche et dispositif de vapotage comportant un dispositif de chauffage à serpentin
US11882878B2 (en) Heating element and heater assemblies, cartridges, and e-vapor devices including a heating element
KR102650327B1 (ko) e-베이핑 장치용 히터 조립체를 만드는 방법
EP3328223B1 (fr) Cigarette électronique comprenant une structure d'élément chauffant ayant une couche d'enveloppe renfoncée, et procédé
KR102435121B1 (ko) 전자 베이핑 장치
US11924928B2 (en) Cartridge and e-vaping device
EP3871468B1 (fr) Élément chauffant et ensembles dispositif de chauffage, cartouches et dispositifs de vapotage comprenant un élément chauffant
EP3735141A2 (fr) Cartouche et dispositif électronique de vapotage

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: UNKNOWN

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20210524

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20221024

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602020009686

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 1560509

Country of ref document: AT

Kind code of ref document: T

Effective date: 20230515

P01 Opt-out of the competence of the unified patent court (upc) registered

Effective date: 20230525

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG9D

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20230412

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 1560509

Country of ref document: AT

Kind code of ref document: T

Effective date: 20230412

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230412

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230412

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230814

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230712

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230412

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230412

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230412

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230412

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230412

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230412

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230812

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230412

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230713

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230412

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230412

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602020009686

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230412

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20231106

Year of fee payment: 5

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230412

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230412

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230412

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230412

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230412

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230412

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20231106

Year of fee payment: 5

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20240115