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WO2025193443A1 - Dispositif vaporisateur intégré - Google Patents

Dispositif vaporisateur intégré

Info

Publication number
WO2025193443A1
WO2025193443A1 PCT/US2025/017645 US2025017645W WO2025193443A1 WO 2025193443 A1 WO2025193443 A1 WO 2025193443A1 US 2025017645 W US2025017645 W US 2025017645W WO 2025193443 A1 WO2025193443 A1 WO 2025193443A1
Authority
WO
WIPO (PCT)
Prior art keywords
vaporizer device
region
airflow
vaporizer
inlet
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.)
Pending
Application number
PCT/US2025/017645
Other languages
English (en)
Inventor
Alexander Ringrose
Scott Collins
Andrew CUSHING
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.)
Juul Labs Inc
Original Assignee
Juul Labs Inc
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
Application filed by Juul Labs Inc filed Critical Juul Labs Inc
Publication of WO2025193443A1 publication Critical patent/WO2025193443A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
    • A61M11/04—Sprayers or atomisers specially adapted for therapeutic purposes operated by the vapour pressure of the liquid to be sprayed or atomised
    • 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
    • A24F40/48—Fluid transfer means, e.g. pumps
    • A24F40/485—Valves; Apertures

Definitions

  • the current subject matter described herein relates generally to vaporizer devices, such as portable, personal vaporizer devices for generating and delivering an inhalable aerosol from one or more vaporizable materials.
  • Vaporizing devices including electronic vaporizers or e-vaporizer devices, allow the delivery of vapor and aerosol containing one or more active ingredients by inhalation of the vapor and aerosol.
  • Electronic vaporizer devices are gaining increasing popularity both for prescriptive medical use, in delivering medicaments, and for consumption of nicotine, tobacco, other liquid-based substances, and other plant-based smokeable materials, such as cannabis, including solid (e.g., loose-leaf or flower) materials, solid/liquid (e.g., suspensions, liquid-coated) materials, wax extracts, and prefilled pods (cartridges, wrapped containers, etc.) of such materials.
  • Electronic vaporizer devices in particular may be portable, self-contained, and convenient for use.
  • aspects of the current disclosure relate to vaporizer devices that include various features for improving aerosol production by the vaporizer devices and for reducing contaminants (if any) in the airflow provided to users of the vaporizer devices.
  • a vaporizer device including a mouthpiece including at least one mouthpiece opening; an integrated vaporizer assembly fixedly coupled to the mouthpiece, wherein the integrated vaporizer assembly comprises: an atomizer including a wicking element and a heater; a reservoir including an interior volume configured to hold a vaporizable material; a cannula including a first opening to allow an airflow towards the at least one mouthpiece opening and a second opening opposite the first opening disposed to allow the airflow to enter the cannula towards the atomizer including the heater disposed within the cannula, the heater configured to vaporize the vaporizable material drawn towards the heater by the wicking element, such that the vaporized vaporizable material can be carried with the airflow towards the at least one mouthpiece opening; a first inlet disposed withing a first region of the vaporizer device; a second inlet disposed within the first region of the vaporizer device, wherein the first region of the vaporizer
  • the at least one seal comprises a first O-ring at a bottom portion of the first region of the vaporizer device, the bottom portion opposite a top portion where the at least one mouthpiece opening is located.
  • the at least one seal comprises a first O-ring and a second O-ring, wherein the first O-ring is disposed above an axis formed between the first inlet and the second inlet, and the second O-ring seal is disposed below the axis formed between the first inlet and the second inlet.
  • the at least one seal comprises a first plug disposed in the reservoir to contain the vaporizable material in the interior volume of the reservoir.
  • a first plug and a second plug are disposed on opposite openings of the reservoir to contain the vaporizable material.
  • the cannula extends along a central longitudinal axis traversing at least the mouthpiece opening and the atomizer.
  • the atomizer is contained within the cannula.
  • the atomizer includes a first lead and a second lead, the first lead and the second lead traversing through a first plug that is disposed in the reservoir to contain the vaporizable material in the interior volume of the reservoir to make contact with a source of power.
  • the vaporizer device may further include at least one pressure sensor configured to sample airflow from the first inlet and/or the second inlet, the at least one pressure sensor configured to detect a puff at the mouthpiece opening by detecting a change in the sample airflow.
  • the at least one pressure sensor detects a pressure change in a sampling chamber that obtains the sample airflow via at least one sampling channel that samples a portion of the airflow obtained from the first inlet and/or the second inlet.
  • the at least one pressure sensor is sealed in a gasket surrounding the at least one pressure sensor.
  • the at least one pressure sensor including the gasket further isolate the first region from the second region containing the one or more electronic components, wherein the isolation further prevents emissions from the one or more electronic components of the second region from contaminating the airflow associated with the first region.
  • a method including activating a vaporizer device; heating the vaporizable material of the vaporizer device to generate an aerosol; and cooling via a cooling pathway the generated aerosol before delivery via a mouthpiece opening of the vaporizer device.
  • FIG. 1 A depicts an exterior view of a vaporizer device consistent with implementations of the current subject matter.
  • FIGs. IB and 1C illustrate another example of a vaporizer device consistent with implementations of the current subject matter.
  • FIGs. 2A, 2B, and 2C depict views of a vaporizer device consistent with implementations of the current subject matter.
  • FIGs. 3 A-3B depict an example of the airflow associated with a pressure sensor a vaporizer device consistent with implementations of the current subject matter.
  • FIGs. 4A, 4B, 4C, 4D, 4E, and 4F depict the airflows associated with a vaporizer device consistent with implementations of the current subject matter.
  • FIG. 5 depict in block diagram form some of the components of a vaporizer device consistent with implementations of the current subject matter.
  • FIG. 6 depicts an example of a process for using the vaporizer device consistent with implementations of the current subject matter.
  • Implementations of the current subject matter include devices relating to vaporizing of one or more materials for inhalation by a user.
  • the term “vaporizer” may be used generically in the following description and may refer to a vaporizer device, such as an electronic vaporizer.
  • Vaporizers consistent with the current subject matter may be referred to by various terms such as inhalable aerosol devices, aerosolizers, vaporization devices, electronic vaping devices, electronic vaporizers, vape pens, etc.
  • Examples of vaporizers consistent with implementations of the current subject matter include electronic vaporizers, electronic cigarettes, e-cigarettes, or the like.
  • vaporizers are often portable, hand-held devices that heat a vaporizable material to provide an aerosol, such as an inhalable dose of the vaporizable material.
  • the vaporizer may include a heater configured to heat a vaporizable material which results in the production of one or more gas-phase components (or aerosol) of the vaporizable material.
  • a vaporizable material may include liquid and/or oiltype plant materials, or a semi-solid like a wax, or plant material such as leaves or flowers, either raw or processed.
  • the gas-phase components of the vaporizable material may condense or combine with the airflow after being vaporized such that an aerosol is formed in a flowing air stream that is deliverable for inhalation by a user at a mouthpiece of the vaporizer device.
  • FIG. 1 A depicts an example of an exterior view of a vaporizer device 100.
  • the vaporizer device 100 includes a mouthpiece 102 fixedly attached to a vaporizer body 104.
  • the vaporizer body may comprise an outer shell that surrounds at least in part one or more internal components of the vaporizer body.
  • the vaporizer device 100 may include a first region 210 (or first portion) and a second region 212 (or second portion).
  • the first region of the vaporizer body may contain one or more components of the mouthpiece (e.g., seals, filters, pads, and/or the like).
  • the first region may contain one or more other components, such a reservoir (e.g., a tank having an interior volume configured to hold a vaporizable material), a chimney (e.g., a cannula) assembly, a heater, a wick, and/or other components that are associated with incoming air (which is obtained from one or more inlets such as at least a first inlet 106A and a second inlet 106B disposed within the first region), and the first region may provide that incoming air as at least one airflow to at least the heater and out towards the mouthpiece’s opening.
  • a reservoir e.g., a tank having an interior volume configured to hold a vaporizable material
  • a chimney e.g., a cannula
  • the first region may provide that incoming air as at least one airflow to at least the heater and out towards the mouthpiece’s opening.
  • the first region 210 (and the components contained therein) may be separate and sealed from the second region 212 using for example at least one seal, such as an O-ring, around the perimeter of the interior of the vaporizer body 104.
  • this O-ring seal separates the first region from at least the second region (which includes one or more electronic components), such that emissions from the one or more electronic components (e.g., integrated circuits, resistors, inductors, and/or wires, soldered contact points, etc.) does not contaminate the airflow associated with the first region.
  • the user’s inflow via the mouthpiece is advantageously kept “clean” (i.e., without contaminants which may be caused by the electrical components of the second region 212).
  • O-ring refers to a gasket in the form of a ring with a circular cross section (which may be made of pliable material). Th O-ring may be comprised as a singular ring or have one or more sections (e.g., two half rings).
  • FIG. IB depicts another example of the vaporizer device 100 and, in particular, an exterior, bottom perspective view of a vaporizer device 100.
  • the vaporizer device 100 includes a mouthpiece 102 fixedly attached to a vaporizer body 104.
  • the mouthpiece 102 may be snap-fit (along the perimeter of the vaporizer body or outer shell) into the first end 123 A of the vaporizer body, such that the mouthpiece 102 cannot be removed from the vaporizer body.
  • the vaporizer body may comprise an outer shell 122 that surrounds at least in part one or more internal components of the vaporizer body.
  • the outer shell (or cover) may be made of various types of materials, including for example aluminum (e.g., AL6063), stainless steel, glass, ceramic, titanium, plastic (e.g., Acrylonitrile Butadiene Styrene (ABS), Nylon, Polycarbonate (PC), Poly ethersulfone (PESU), and the like), and any hard, durable material.
  • aluminum e.g., AL6063
  • stainless steel e.g., stainless steel, glass, ceramic, titanium, plastic (e.g., Acrylonitrile Butadiene Styrene (ABS), Nylon, Polycarbonate (PC), Poly ethersulfone (PESU), and the like), and any hard, durable material.
  • ABS Acrylonitrile Butadiene Styrene
  • PC Polycarbonate
  • PESU Poly ethersulfone
  • the vaporizer device 100 includes a first end 123 A at which the mouthpiece 102 is positioned and a second end 123B opposite the first end. Although the mouthpiece and vaporizer body are depicted as separate components, the mouthpiece and vaporizer body may be integrated (e.g., formed using the same outer shell) as well.
  • the vaporizer device as shown has an elongated, flattened tubular shape, although the vaporizer device is not limited to such a shape.
  • the vaporizer device may take the form of other shapes, such as, for example, a rectangular box, a cylinder, and the like.
  • the vaporizer device 100 may include one or more user interfaces, such as one or more light emitting diodes (LEDs) 184.
  • the LEDs may be used to indicate when the heater of the vaporizer device is heating, when the battery of the vaporizer device requires charging, and/or other indications or feedback that can be output to a user. Although 4 LEDs are depicted in the example of FIG. IB, other quantities of LEDs may be used as well.
  • the LEDs (or corresponding light pipes that carry light from LEDs) may be disposed on the surface of the outer shell between the first end 123 A and the second end 124 A. In some embodiments, the LEDs or light pipes are positioned outside the first region 210.
  • the LEDs or light pipes may be positioned in the second region 212.
  • the LEDs or light pipes may be positioned in a third region 211.
  • the third region of the vaporized device contains a pressure sensor as described further below.
  • the vaporizer device 100 may include one or more openings, such as air inlets and/or outlets.
  • a first air inlet 106A is disposed on the outer shell 122 between the first end 123A and second end 123B.
  • a second inlet 106B may be disposed on the outer shell 122 between the first end 123A and second end 123B.
  • the second air inlet may be on an opposite surface to the first air inlet.
  • the first air inlet 106 A and the second air inlet 106B may be positioned at the top half of the vaporizer, the top 1/3 of the vaporizer, or in the first region 210 of the vaporizer, although other locations and other quantities of inlets may be implemented as well.
  • the positioning of the air inlets in the first region may advantageously reduce or eliminate contaminants from the electronics components located in the second region of the vaporizer.
  • the vaporizer device 100 may include an electrical interface 108, such as a USB-C port or other type of interface.
  • the electrical interface 108 is disposed at the second end 123B and within the second region 212 of the vaporizer.
  • the electrical interface 108 may used to at least power and/or charge a battery contained within the vaporizer device.
  • the vaporizer device 100 may include at least one first opening 110A through the outer shell 122.
  • the first opening 110A may be positioned on the outer shell 122 to show the contents of a reservoir (e.g., a tank) contained within the outer shell 122.
  • a reservoir e.g., a tank
  • vaporizable material contained within the reservoir may be viewed through the first opening 110A.
  • the state e.g., amount of vaporizable material, clarity of the vaporizable material, color of the vaporizable material, and/or the like
  • the state e.g., amount of vaporizable material, clarity of the vaporizable material, color of the vaporizable material, and/or the like
  • the vaporizer device 100 is considered an all-in-one vaporizer device in the sense that the vaporizer device includes an integrated vaporizer assembly (e.g., chimney, reservoir, heater, wick, etc.) including vaporizable material, rather than a replaceable cartridge containing the vaporizer assembly and vaporizable material.
  • FIG. 1C depicts another perspective view of the vaporizer device 100.
  • FIG. 1C shows the mouthpiece 102 and at least one mouthpiece opening 103 at the first end 123A of the vaporizer device 100.
  • FIG. 1C also depicts a retaining pin 127, which couples the outer shell 122 to the interior skeleton structure 296B of the vaporizer device.
  • the skeleton structure may retain one or more of the interior components of the vaporizer device and may include one or more channels (which serve as air paths).
  • the mouthpiece 102 is, as noted, fixedly attached to (and integrated with) the vaporizer body 104 to form a single all-in-one vaporizer device.
  • the mouthpiece 102 as shown has an elongated, flattened tubular shape that tapers toward the mouthpiece opening, although the mouthpiece is not limited to such a shape and the mouthpiece is not limited to only a single opening.
  • the mouthpiece may take the form of other shapes, such as, for example, a rectangular box, a cylinder, and the like, and may include two, three, or other quantities of openings.
  • FIGs. 2 A, 2B, and 2C depict views of the vaporizer device 100 consistent with implementations of the current subject matter.
  • the mouthpiece 102 and the vaporizer body 104 form a “clean airflow portion” 210 as noted with respect to FIG. 1 A, for example.
  • the clean airflow portion refers to the airflow being sealed off from other regions, such as the “electronics portion” in the second region 212 of the vaporizer body 104.
  • the “clean airflow portion” 210 eliminates or reduces the chances of emissions (if any) from the electronics components 250 (e.g., battery, resistors, heater controllers, wires, solder connect! ons/contacts, and/or other electronic components) to contaminate a user’s airflow (e.g., an airflow from inlets 106A-B to mouthpiece opening 103) as a user takes a puff at the mouthpiece opening 103.
  • the interior components of the vaporizer device 100 include an integrated vaporizer assembly 200.
  • the integrated vaporizer assembly 200 comprises a plug 220 (e.g., a bung or stopper), a reservoir 242, a chimney 224 (also referred to as a cannula), and an atomizer 222.
  • the reservoir is pre-filled with vaporizable material.
  • the integrated vaporizer assembly may be fixed coupled at 286A-D (e.g., via snap fit or other coupling mechanism) into an internal skeleton structure.
  • the plug 220 is disposed at the top of a reservoir 242 (also referred to as a tank) to contain and/or seal any vaporizable material in the reservoir.
  • the reservoir 242 is contained within the interior of the vaporizer body using the internal skeleton structure’s snap-fits 286A-D.
  • the reservoir may be filled with vaporizable material (e.g., neat liquids, suspensions, solutions, mixtures, etc.).
  • the atomizer 222 may include or comprise a wicking element 223 (also referred to herein as a wick), which may comprise any material capable of causing a passive fluid motion, for example, by for example capillary pressure, to convey an amount of a liquid vaporizable material to a part of the atomizer that includes a heating element (such as a coil).
  • a heating element such as a coil.
  • This wick element is configured to draw liquid vaporizable material from the reservoir (which is configured to contain the liquid vaporizable material) such that the liquid vaporizable material may be vaporized by heat delivered from the heating element.
  • the atomizer comprises a ceramic element with an integrated wire coil or wire mesh (where the wire serves as a heater when electrical current is supplied), such that the ceramic element wicks the vaporizable material from the reservoir and the wire coil or mesh heats when a current is applied.
  • a vaporizing heating element may be a resistive heating element, which may be constructed of or at least include a material (e.g., a metal or alloy, for example a nickel-chromium alloy or a non-metallic resistor) configured to dissipate electrical power in the form of heat when electrical current is passed through one or more resistive segments of the heating element.
  • a material e.g., a metal or alloy, for example a nickel-chromium alloy or a non-metallic resistor
  • the atomizer 222 may include a vaporizing heating element which includes a resistive coil or other heating element wrapped around, positioned within, integrated into a bulk shape of, pressed into thermal contact with, or otherwise arranged to deliver heat to a wicking element to cause a liquid vaporizable material drawn by the wicking element from a reservoir to be vaporized for subsequent inhalation by a user in a gas and/or a condensed (e.g., aerosol particles or droplets) phase.
  • wicking element, heating element, and/or atomizer assembly configurations are also possible.
  • the wicking element may be formed of any of a variety of materials, including metals, polymer, natural fibers, synthetic fibers, ceramic, or combinations of these.
  • the wicking element may be formed of silica fibers, cotton, ceramic, mullite, hemp, stainless steel mesh, rope cables, and/or any porous medium, such as for example sintered glass beads.
  • the wick is porous and provides a capillary pathway for fluid within the reservoir through and into the wick.
  • the capillary pathway is generally large enough to permit wicking of sufficient material to replace vaporized liquid transferred from the reservoir by capillary action (wicking) during vaporization, but may be small enough to prevent leakage of the vaporizable material out of the cartridge during normal operation, including when pressure is present.
  • the wick may have a size configured to handle high viscosity liquids. In some implementations, the wick may have a diameter that is at least about 1.5 mm.
  • the wick may be larger than 1.5 mm in diameter (e.g., about 1.9 mm or larger, about 2.0 mm or larger, about 2.1 mm or larger, about 2.2 mm or larger, about 2.3 mm or larger, about 2.4 mm or larger, about 2.5 mm or larger, etc., including between about 1.8 mm and about 5 mm, between about 1.9 mm and about 4 mm, between about 2 mm and about 4 mm, etc.).
  • the material of the wick is configured to draw the liquid vaporizable material from the reservoir into 1 vaporization chamber 158 without the need for a pump or other mechanical moving part.
  • a heating coil may be a resistance wire wrapped around a wick and connected to (e.g., via leads 226A-B) a positive and negative pole of a current source or battery.
  • the coil may increase in temperature as a result of the current flowing through the wire to generate heat.
  • the heat may be transferred to at least a portion of the vaporizable material through conductive, convective, and/or radiative heat transfer such that at least a portion of the vaporizable material vaporizes.
  • Air drawn into the vaporization chamber may carry the vapor away from the heater.
  • the atomizer 222 may be (or comprise) one or more of a conductive heater, a radiative heater, and a convective heater.
  • a type of vaporizing heating element is a resistive heating element, which may be constructed of or at least include a material (e.g., a metal or alloy, for example a nickel-chromium alloy, or a non-metallic resistor) configured to dissipate electrical power in the form of heat when electrical current is passed through one or more resistive segments of the heating element.
  • a material e.g., a metal or alloy, for example a nickel-chromium alloy, or a non-metallic resistor
  • the atomizer may include a vaporizing heating element that includes for example a resistive coil or other heating element wrapped around, positioned within, integrated into a bulk shape of, pressed into thermal contact with, or otherwise arranged to deliver heat to a wicking element to cause a liquid vaporizable material drawn from the reservoir by the wicking element to be vaporized for subsequent inhalation by a user in a gas and/or a condensed (e.g., aerosol particles or droplets) phase.
  • a vaporizing heating element that includes for example a resistive coil or other heating element wrapped around, positioned within, integrated into a bulk shape of, pressed into thermal contact with, or otherwise arranged to deliver heat to a wicking element to cause a liquid vaporizable material drawn from the reservoir by the wicking element to be vaporized for subsequent inhalation by a user in a gas and/or a condensed (e.g., aerosol particles or droplets) phase.
  • the reservoir 242 may include a bottom portion 190B which is distal to the top portion 190A.
  • the bottom portion is sealed with another plug 228.
  • the opening 228A-B (through which the leads 226 A-B traverse to obtain power from a battery at the electronics components 250) may also be sealed to prevent air and/or vaporizable material from leaking out of the first region.
  • the reservoir may be composed of a clear material to enable viewing the amount or state of vaporizable material contained in the reservoir.
  • an O-ring 215 extends around the circumference or perimeter of the interior of the vaporizer body to form a seal to prevent the “clean airflow portion” 210 to receive airflow from the “electronics portion” of the second region 212 containing electronics components 250.
  • the O-ring is positioned below the inlets and is placed along the exterior perimeter of the vaporizer body (such that the O-ring makes contact with the interior of the outer shell 122 and the interior structure of the vaporizer body).
  • the interior skeleton includes a channel around the interior surface, and this channel contains the O-ring and thus seals the first region 210.
  • the O-ring seals the airflow within the “clean airflow portion” 210, such that it does not flow through or past the “electronics portion” of the second region 212 containing electronics 250.
  • This O-ring 215 can advantageously prevent emissions from electronic components from being consumed by a vaporizer user.
  • the vaporizer device 100 includes at least one pressure sensor 260.
  • the pressure sensor 260 is positioned in the third region 211. This third region also serves to further separate and isolate any harmful emissions from the electronics at 212 from reaching the airflow in the first region 210.
  • the pressure sensor 260 sits within a seal 261, so the pressure sensor itself is isolated from the third region 211 and any harmful emissions from the electronics at 212.
  • the pressure sensor can detect (via a sampling channel that provides a sample of any airflow from the inlets 106A/B), when a user takes a puff (e.g., inhales) at the mouthpiece opening 103.
  • the electronics in the electronics components 2650 receive a signal (or indication) from the pressure sensor, and this signal (or indication) triggers one or more operations at the vaporizer device, such as initiate heating of the atomizer 222.
  • FIG. 2C depicts an example of an exploded view showing various parts of the vaporizer device 100, in accordance with some embodiments.
  • FIG. 2C depict the mouthpiece 102 and an end cap 296A (which is used to secure the plug 220 into the top of the reservoir 242).
  • the plug includes a first opening 288A to receive the airflow from the top opening of the cannula 224.
  • the top portion 288B of the cannula may be coupled into the first opening 288A.
  • the atomizer 222 may be positioned in the interior cavity of the cannula.
  • the atomizer e.g., heater
  • wick 223 which may surround the exterior or be integrated into the heater 222
  • the seal 296C (which in this example is an O-ring) may be sized to fit in the channel 288D formed on the exterior of the reservoir, such that the O-ring also makes contact with the interior of the vaporizer body (e.g., interior of the outer shell 122).
  • the seal 296C may provide at least in part a seal to prevent contaminants from the second region where the electronic components 250 are located.
  • the bottom plug 228 also shows the bottom plug 228 with fits into the bottom interior of the reservoir.
  • the bottom plug prevents vaporizer fluid from leaking out.
  • the bottom plug 228 may also make contact with the interior of the vaporizer body (e.g., interior of the outer shell 122).
  • the seal bottom plug 228 may be sized such that it provides at least in part a seal to prevent contaminants from the second region where the electronic components 250 are located.
  • FIG. 2C also shows the seal 215 (which in this example is an O-ring).
  • the seal 215 surrounds the interior surface of the vaporizer body (e.g., interior of the outer shell 122).
  • the seal 215 may be sized to fit in the channel 288E formed on the interior skeleton 296B, such that the seal 215 (e.g., O-ring) also makes contact with the interior of the vaporizer body (e.g., interior of the outer shell 122).
  • the seal 215 may provide at least in part a seal to prevent contaminants from the second region where the electronic components 250 are located.
  • FIG. 2C also shows the skeleton 296B (also referred to as an “internal skeleton) is a structure that is configured to contain the pressure sensor 260 (which is contained in the seal 261), the electrical interface 108, electronic components 250 and to be inserted into the interior of the outer shell 122.
  • FIG. 2C also shows a guide 298 (which carries light pipes to the LEDs 184) and an isolator or foam 299 that is used to insulate solder connections.
  • FIGs. 2A-2C refer to the pressure sensor 260 as a way to detect a puff and then activate the heating of the atomizer
  • the heating may be activated in other ways as well.
  • the pressure sensor may be omitted, and the heating may be initiated by an on-off switch, rather than puff detection using the pressure sensor.
  • the heating may be activated by a capacitive sensor (e.g., which detects a user’s lips making contact with a mouthpiece or user making contact with the vaporizer device); the capacitive sensor detects the contacts and triggers hearing of the atomizer.
  • FIG. 3 A and 3B depict the airflow associated with the pressure sensor 260, in accordance with some embodiments.
  • a user takes a puff (e.g., inhales at the mouthpiece opening 103)
  • this causes air to flow in from at least the inlets 106A-B.
  • the airflow is depicted by the arrows 310A-B pointing toward the inlets 106A-B.
  • a channel e.g., which is formed in the plug 228 and/or in the internal structure (or skeleton
  • the pressure sensor 260 is contained by the seal 261 (e.g., a gasket).
  • the seal 261 e.g., a gasket.
  • the pressure sensor subassembly including the sealed pressure sensor 260 and sampling channel and chamber may thus provide an additional barrier to further reduce or eliminate any harmful emissions (if present) from electronics components to contaminate the clean airflows of the first region.
  • the pressure sensor 260 may comprise a transducer, a microphone, and/or any other type of sensor that can detect a change in pressure in the sampling chamber 394.
  • FIGs. 4A-4D depict the airflow when a user takes a takes a puff (e.g., inhales at the mouthpiece opening 103) and causes air to flow into the mouthpiece opening.
  • a user takes a puff and inhales at the mouthpiece opening 103 this causes air to flow in from at least the inlets 106A-B as depicted by the arrows 310A-B pointing toward the inlets 106A-B.
  • the air flows along one or more channels 486A-B and up into a channel 310C.
  • FIG. 4D depicts another perspective view of the airflows through the chimney 224 and atomizer (as depicted by the arrows representative of the airflow).
  • FIG. 4E depicts an example airflow through a by-pass airflow channel 499 A- C.
  • the by-pass airflow channel 499A-C is an alternative airflow path to the primary airflow path via the chimney opening 314, the atomizer 22, the chimney 224 and on to the mouthpiece. If for example the primary airflow path via the chimney opening 314, atomizer 222, and chimney 224 is obstructed at least in part, a user may take a puff at the mouth piece. This puff forces an alternative airflow to be drawn into the alternative airflow path 499A-C.
  • This alternative airflow via path 499A-C causes the pressure sensor 260 to trigger the heater (e.g., to heat or pre-heat the atomizer 222).
  • This heat may then reduce the viscosity of the vaporizable material that is likely the cause of the obstruction and, thus, may cause the airflow to instead flow through the primary airflow path through the chimney opening 314, atomizer 22, chimney 224 and on to the mouthpiece.
  • FIG. 4F depicts the airflow as exits the outlet 466 of the chimney 224 towards the mouthpiece opening.
  • the airflow 475A travels into the chamber 476 and diverts into two paths as shown at 475B-D and exits via the two paths at 475E-F towards the mouthpiece opening 103.
  • the chamber 476 and/or channels for the paths 475 A-F may provide a cooling path that provides some cooling to the vaporizable material being delivered to the mouthpiece opening 103.
  • FIG. 5 depicts a block diagram of aspects of a vaporizer device 1000, such as vaporizer device 100.
  • One or more (of not all of the components) depicted at FIG. 5 may be used in the vaporizer device, such as vaporizer device 100.
  • one or more (of not all of the components) depicted at FIG. 5 may be located in the electronics portion 2500 of the vaporizer device, such as in the electronics components 250 portion of the vaporizer body.
  • the integrated vaporization assemble 1999 including an atomizer which may include a heater 1166.
  • a controller 1128 may include at least one processor and/or at least one memory configured to control and manage various operations among the components of the vaporizer device 100 described herein.
  • the heater circuitry 1130 controls a heater 1166, such as the atomizer 222.
  • the heater may generate heat to provide vaporization of the vaporizable material, and may include a heating coil (e.g., a resistive heater) in thermal contact with a wick.
  • a battery 1124 may be included in the vaporizer body, and the controller 1128 may control and/or communicate with a voltage monitor 1131 circuitry configured to monitor the battery voltage, a reset circuit 132 configured to reset (e.g., shut down the vaporizer device and/or restart the vaporizer device in a certain state), a battery charger 1133, and a battery regulator 1134 (which may regulate the battery output, regulate charging/discharging of the battery, and provide alerts to indicate when the battery charge is low, etc.).
  • the electrical interface 1108 may comprise an electrical interface 108 (e.g., USB-C port) and/or other type of interface.
  • the controller 1128 may regulate the power flow (e.g., an amount or current and/or a voltage amount) to control a temperature at which the heater 1166 heats a vaporizable material contained in the reservoir of the vaporizer body.
  • the controller 128 may control and/or communicate with optics circuitry 1135 (which controls and/or communicates with one or more displays such as LEDs 1136), a pressure sensor 1137, an ambient pressure sensor 1138 (e.g., pressure sensor 260), an accelerometer 139, and/or a speaker 140 configured to generate sound or other feedback to a user.
  • the pressure sensor 1137 may be configured to sense a user drawing (i.e., inhaling) on the mouthpiece 102 and may activate the heater control circuitry 1130 of the vaporizer body to accordingly control the heater 1166. In this way, the amount of current supplied to the heater 1166 may be varied according to the user's draw (e.g., additional current may be supplied during a draw, but reduced when there is not a draw taking place).
  • the ambient pressure sensor 1138 may be included for atmospheric reference to reduce sensitivity to ambient pressure changes and may be utilized to reduce false positives potentially detected by the pressure sensor 1137 when measuring draws from the mouthpiece.
  • the accelerometer 1139 (and/or other motion sensors, capacitive sensors, flow sensors, strain gauge(s), or the like) may be used to detect user handling and interaction, for example, to detect movement of the vaporizer body (such as, for example, tapping, rolling, and/or any other deliberate movement associated with the vaporizer body).
  • the detected movements may be interpreted by the controller 1128 as one or more predefined user commands. For example, one particular movement may be a user command to gradually increase the temperature of the heater 1166 as the user intends to begin using the vaporizer device.
  • FIG. 6 is a chart shown an example method 600 for generating an aerosol consistent with implementations of the current subject matter.
  • the vaporizer device 100 may be activated.
  • the vaporizer device may be activated by drawing (e.g., inhaling) through the mouthpiece 102, receipt of contact with a button or another portion of the vaporizer device, such as the mouthpiece, receipt of a signal from a device in communication with the vaporizer device, and/or the like.
  • the vaporizer device 100 may detect a draw (e.g., using a pressure sensor, a capacitance sensor, flow sensors, a sensor configured to detect a change in temperature or power applied to the heating element, and/or the like) and may increase the power to a predetermined temperature preset.
  • the power may be regulated by the controller of the vaporizer device 100.
  • the vaporizable material (which is drawn from the reservoir and into the atomizer) may be heated.
  • the atomizer 222 may activate (e.g., receive supplied power) to heat the air passing through the atomizer to generate an aerosol.
  • the generated aerosol is cooled for delivery of the cooled aerosol to the user.
  • the generated aerosol may be passed along a cooling pathway 476 and 475A-F to cool the generated aerosol before the aerosol is delivered through the mouthpiece opening 103 to the user.
  • a vaporizer device comprising: a mouthpiece including at least one mouthpiece opening; an integrated vaporizer assembly fixedly coupled to the mouthpiece, wherein the integrated vaporizer assembly comprises: an atomizer including a wicking element and a heater; a reservoir including an interior volume configured to hold a vaporizable material; a cannula including a first opening to allow an airflow towards the at least one mouthpiece opening and a second opening opposite the first opening disposed to allow the airflow to enter the cannula towards the atomizer including the heater disposed within the cannula, the heater configured to vaporize the vaporizable material drawn towards the heater by the wicking element, such that the vaporized vaporizable material can be carried with the airflow towards the at least one mouthpiece opening; a first inlet disposed withing a first region of the vaporizer device; a second inlet disposed within the first region of the vaporizer device, wherein the first region of the vaporizer device contains at least the
  • Example 2 The vaporizer device of Example 1, wherein the at least one seal comprises a first O-ring at a bottom portion of the first region of the vaporizer device, the bottom portion opposite a top portion where the at least one mouthpiece opening is located.
  • Example 3 The vaporizer device of any of Examples 1-2, wherein the at least one seal comprises a first O-ring and a second O-ring, wherein the first O-ring is disposed above an axis formed between the first inlet and the second inlet, and the second O-ring seal is disposed below the axis formed between the first inlet and the second inlet.
  • Example 4 The vaporizer device of any of Examples 1-3, wherein the at least one seal comprises a first plug disposed in the reservoir to contain the vaporizable material in the interior volume of the reservoir.
  • Example 5 The vaporizer device of any of Examples 1-4, wherein a first plug and a second plug are disposed on opposite openings of the reservoir to contain the vaporizable material.
  • Example 6 The vaporizer device of any of Examples 1-5, wherein the cannula extends along a central longitudinal axis traversing at least the mouthpiece opening and the atomizer.
  • Example 7 The vaporizer device of any of Examples 1-6, wherein the atomizer is contained within the cannula.
  • Example 8 The vaporizer device of any of Examples 1-7, wherein the atomizer includes a first lead and a second lead, the first lead and the second lead traversing through a first plug that is disposed in the reservoir to contain the vaporizable material in the interior volume of the reservoir to make contact with a source of power.
  • Example 9 The vaporizer device of any of Examples 1-8 further comprising at least one pressure sensor configured to sample airflow from the first inlet and/or the second inlet, the at least one pressure sensor configured to detect a puff at the mouthpiece opening by detecting a change in the sample airflow.
  • Example 10 The vaporizer device of any of Examples 1-9, wherein the at least one pressure sensor detects a pressure change in a sampling chamber that obtains the sample airflow via at least one sampling channel that samples a portion of the airflow obtained from the first inlet and/or the second inlet.
  • Example 11 The vaporizer device of any of Examples 1-10, wherein the at least one pressure sensor is sealed in a gasket surrounding the at least one pressure sensor.
  • Example 12 The vaporizer device of any of Examples 1-11, wherein the at least one pressure sensor including the gasket further isolate the first region from the second region containing the one or more electronic components, wherein the isolation further prevents emissions from the one or more electronic components of the second region from contaminating the airflow associated with the first region.
  • Example 13 A method comprising: activating a vaporizer device; heating the vaporizable material of the vaporizer device to generate an aerosol; and cooling via a cooling pathway the generated aerosol before delivery via a mouthpiece opening of the vaporizer device.
  • Example 14 wherein the vaporizer device comprises the vaporizer device of any of Examples 1-12.
  • the vaporizable material may include a plant material, such as a cannabis plant material. Additionally and/or alternatively, in some examples, the vaporizable material may include a viscous liquid such as, for example a cannabis oil and/or concentrate (e.g., wax, shatter, budder, butane hash oil, and the like). In some variations, the viscous liquid comprises between 0.3% and 100% cannabis oil extract.
  • a viscous liquid such as, for example a cannabis oil and/or concentrate (e.g., wax, shatter, budder, butane hash oil, and the like). In some variations, the viscous liquid comprises between 0.3% and 100% cannabis oil extract.
  • the viscous liquid may include a carrier for improving vapor formation, such as, for example, propylene glycol, glycerol, medium chain triglycerides (MCT) including lauric acid, capric acid, caprylic acid, caproic acid, etc., at between 0.01% and 25% (e.g., between 0. 1% and 22%, between 1% and 20%, between 1% and 15%, and/or the like).
  • MCT medium chain triglycerides
  • the vapor-forming carrier is 1,3-Propanediol.
  • a cannabis liquid may include a cannabinoid or cannabinoids (natural and/or synthetic), and/or a terpene or terpenes derived from organic materials such as for example fruits and flowers.
  • any of the vaporizable materials described herein may include one or more (e.g., a mixture of) cannabinoid including one or more of: CBG (Cannabigerol), CBC (Cannabichromene), CBL (Cannabicyclol), CBV (Cannabivarin), THCV (Tetrahydrocannabivarin), CBDV (Cannabidivarin), CBCV (Cannabichromevarin), CBGV (Cannabigerovarin), CBGM (Cannabigerol Monomethyl Ether), Tetrahydrocannabinol, Cannabidiol (CBD), Cannabinol (CBN), Tetrahydrocannabinolic Acid (THCA), Cannabidioloc Acid (CBDA), Tetrahydrocannabivarinic Acid (THCVA), one or more Endocannabinoids (e.g., anandamide, 2-Arachidonoylglycerol, 2-Arachidonyl gly
  • the oil vaporization material may include one or more terpene, such as, for example, Hemiterpenes , Monoterpenes (e.g., geraniol, terpineol, limonene, myrcene, linalool, pinene, Iridoids), Sesquiterpenes (e.g., humulene, farnesenes, farnesol), Diterpenes (e.g., cafestol, kahweol, cembrene and taxadiene), Sesterterpenes, (e.g., geranylfarnesol), Triterpenes (e.g., squalene), Sesquarterpenes (e.g, ferrugicadiol and tetraprenylcurcumene), Tetraterpenes (lycopene, gamma-carotene, alpha- and beta-carotenes), Polyterpenes, and Nor
  • a liquid (e.g., oil and/or concentrate) vaporization material as described herein may include between 0.3-100% cannabinoids (e.g., 0.5-98%, 10-95%, 20-92%, 30-90%, 40-80%, 50-75%, 60-80%, etc.), 0- 40% terpenes (e.g., 130%, 10-30%, 10-20%, etc.), and 0-25% carrier (e.g., medium chain triglycerides (MCT)).
  • cannabinoids e.g., 0.5-98%, 10-95%, 20-92%, 30-90%, 40-80%, 50-75%, 60-80%, etc.
  • 0-4 terpenes e.g., 130%, 10-30%, 10-20%, etc.
  • carrier e.g., medium chain triglycerides (MCT)
  • the viscosity may be within a predetermined range.
  • the range may be between, at room temperature (23° C) about 30 cP (centipoise) and 115 kcP (kilocentipoise), between 30cP and 200 kcP, although higher viscosities and/or lower viscosities may be implemented as well.
  • the viscosity may be between 40 cP and 113 kcP at room temperature. Outside of this range, the vaporizable material may fail in some instances to wick appropriately to form a vapor as described herein.
  • liquid and/or semi-liquid may be made sufficiently thin to both permit transporting at a rate that is useful with the apparatuses described herein, while also limiting leaking (e.g., viscosities below that of ⁇ 30 cP at room temperature might result in problems with leaking).
  • a feature or element When a feature or element is herein referred to as being “on” another feature or element, it can be directly on the other feature or element or intervening features and/or elements may also be present. In contrast, when a feature or element is referred to as being “directly on” another feature or element, there are no intervening features or elements present. It will also be understood that, when a feature or element is referred to as being “connected”, “attached” or “coupled” to another feature or element, it can be directly connected, attached or coupled to the other feature or element or intervening features or elements may be present.
  • spatially relative terms such as, for example, “under”, “below”, “lower”, “over”, “upper” and the like, may be used herein for ease of description to describe one element or feature’s relationship to another element(s) or feature(s) as illustrated in the figures. It will be understood that 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 a device in the figures is inverted, elements described as “under” or “beneath” other elements or features would then be oriented “over” the other elements or features. Thus, the exemplary term “under” can encompass both an orientation of over and under.
  • the device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
  • the terms “upwardly”, “downwardly”, “vertical”, “horizontal” and the like are used herein for the purpose of explanation only unless specifically indicated otherwise.
  • first and second may be used herein to describe various features/elements (including steps), these features/elements should not be limited by these terms, unless the context indicates otherwise. These terms may be used to distinguish one feature/element from another feature/element. Thus, a first feature/element discussed below could be termed a second feature/element, and similarly, a second feature/element discussed below could be termed a first feature/element without departing from the teachings provided herein.
  • a numeric value may have a value that is +/- 0.1% of the stated value (or range of values), +/- 1% of the stated value (or range of values), +/- 2% of the stated value (or range of values), +/- 5% of the stated value (or range of values), +/- 10% of the stated value (or range of values), etc. Any numerical values given herein should also be understood to include about or approximately that value, unless the context indicates otherwise.
  • phrases such as, for example, “at least one of’ or “one or more of’ may occur followed by a conjunctive list of elements or features.
  • the term “and/or” may also occur in a list of two or more elements or features. Unless otherwise implicitly or explicitly contradicted by the context in which it used, such a phrase is intended to mean any of the listed elements or features individually or any of the recited elements or features in combination with any of the other recited elements or features.
  • the phrases “at least one of A and B;” “one or more of A and B;” and “A and/or B” are each intended to mean “A alone, B alone, or A and B together.”
  • a similar interpretation is also intended for lists including three or more items.
  • the phrases “at least one of A, B, and C;” “one or more of A, B, and C;” and “A, B, and/or C” are each intended to mean “A alone, B alone, C alone, A and B together, A and C together, B and C together, or A and B and C together.”

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Abstract

L'invention concerne un dispositif vaporisateur comprenant : un embout buccal ; un ensemble vaporisateur intégré accouplé à demeure à l'embout buccal, l'ensemble vaporisateur intégré comprenant : un atomiseur comprenant un élément à effet de mèche et un dispositif de chauffage ; un réservoir comprenant un volume intérieur conçu pour contenir un matériau vaporisable ; une canule comprenant une première ouverture pour permettre un écoulement d'air vers ledit embout buccal et une seconde ouverture opposée à la première ouverture conçue pour permettre à l'écoulement d'air d'entrer dans la canule vers l'atomiseur comprenant le dispositif de chauffage disposé à l'intérieur de la canule ; et au moins un joint d'étanchéité autour d'un périmètre intérieur du dispositif vaporisateur. Ledit joint d'étanchéité sépare une première région d'au moins une deuxième région qui contient un ou plusieurs composants électroniques du dispositif vaporisateur. Ledit joint d'étanchéité empêche les émissions provenant dudit composant électronique pour contaminer l'écoulement d'air associé à la première région.
PCT/US2025/017645 2024-03-14 2025-02-27 Dispositif vaporisateur intégré Pending WO2025193443A1 (fr)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120318882A1 (en) * 2011-06-16 2012-12-20 Vapor Corp. Vapor delivery devices
US20210153562A1 (en) * 2019-11-26 2021-05-27 Juul Labs, Inc. Vaporizer device with responsive inhalation detection
WO2022049537A1 (fr) * 2020-09-03 2022-03-10 Itc Limited Article de génération d'aérosol
US20220079227A1 (en) * 2019-01-24 2022-03-17 Huizhou Happy Vaping Technology Limited Electronic cigarette having dual air passages
US20240049801A1 (en) * 2019-02-18 2024-02-15 Nicoventures Trading Limited Aerosol provision systems

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120318882A1 (en) * 2011-06-16 2012-12-20 Vapor Corp. Vapor delivery devices
US20220079227A1 (en) * 2019-01-24 2022-03-17 Huizhou Happy Vaping Technology Limited Electronic cigarette having dual air passages
US20240049801A1 (en) * 2019-02-18 2024-02-15 Nicoventures Trading Limited Aerosol provision systems
US20210153562A1 (en) * 2019-11-26 2021-05-27 Juul Labs, Inc. Vaporizer device with responsive inhalation detection
WO2022049537A1 (fr) * 2020-09-03 2022-03-10 Itc Limited Article de génération d'aérosol

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