US20220338548A1 - Cartridge with venturi flow path - Google Patents

Cartridge with venturi flow path Download PDF

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Publication number
US20220338548A1
US20220338548A1 US17/713,647 US202217713647A US2022338548A1 US 20220338548 A1 US20220338548 A1 US 20220338548A1 US 202217713647 A US202217713647 A US 202217713647A US 2022338548 A1 US2022338548 A1 US 2022338548A1
Authority
US
United States
Prior art keywords
diameter
section
cartridge
pressure
airflow path
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
US17/713,647
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English (en)
Inventor
San Li
Jordan Walker
Mark Scatterday
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.)
Jupiter Research LLC
Original Assignee
Jupiter Research 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
Application filed by Jupiter Research LLC filed Critical Jupiter Research LLC
Priority to US17/713,647 priority Critical patent/US20220338548A1/en
Assigned to JUPITER RESEARCH, LLC reassignment JUPITER RESEARCH, LLC ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SCATTERDAY, MARK, LI, SAN, WALKER, JORDAN
Publication of US20220338548A1 publication Critical patent/US20220338548A1/en
Priority to US18/639,635 priority patent/US20240277061A1/en
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • 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
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/48—Fluid transfer means, e.g. pumps
    • A24F40/485—Valves; Apertures
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/42—Cartridges or containers for 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
    • A24F40/50—Control or monitoring
    • 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

Definitions

  • Vaporizer devices present an alternative to smoking and work by vaporizing a consumable vaporizable liquid, e.g., oil or extract, by heating the vaporizable liquid at a lower temperature than an open flame so that a user can inhale the vaporizable liquid in vapor form, rather than smoke.
  • a consumable vaporizable liquid e.g., oil or extract
  • a conventional cartridge of a vaporizer device typically has a reservoir for holding the vaporizable liquid, a wick capable of soaking up the vaporizable liquid, and a heated coil, in contact with the wick.
  • the vaporizable liquid typically flows from the reservoir to the heated coil and a current is passed through the coil, heating the wick, and vaporizing the vaporizable liquid.
  • the flow rate of the vaporizable liquid in a conventional cartridge is typically low, causing the heated coil to dry up and taint the flavor of the vapor.
  • the air that is introduced into a conventional cartridge typically flows through the heated coil, thereby diluting the vapor and making the heated coil draw more current than is necessary to heat the vaporizable liquid.
  • a cartridge that efficiently vaporizes the vaporizable liquid and that provides a user with high-quality vapor, consistent flavor profiles, and improved sensory experiences over the lifetime of the cartridge.
  • a cartridge for use with a vaporizer device may comprise a body portion comprising an airflow path.
  • the airflow path may comprise a first section having a first diameter, a second section having a second diameter, and a third section having a third diameter.
  • the cartridge may further comprise a heating element coupled to an interior surface of the body portion and located at the second section.
  • FIG. 1 is a sectional view of a cartridge in accordance with an embodiment of the subject technology
  • FIG. 2 is a sectional view of a cartridge in accordance with an embodiment of the subject technology.
  • FIG. 3 is a flow chart for increasing a flow rate of a vaporizable liquid in accordance with an embodiment of the subject technology.
  • the subject technology may be described in terms of functional block components. Such functional blocks may be realized by any number of components configured to perform the specified functions and achieve the various results.
  • the subject technology may employ various batteries, coils, heating elements, inlets, outlets, wicks, reservoirs, vaporizable liquids, extracts, oils, and the like, which may carry out a variety of functions.
  • the subject technology may be practiced in conjunction with any one of various vaporizer devices, and the cartridge described herein is merely one exemplary application for the technology.
  • an exemplary cartridge 100 may be integrated in any suitable vaporizer device (not shown) for vaporizing a vaporizable liquid.
  • the cartridge 100 may operate to increase a flow rate of the vaporizable liquid.
  • the cartridge 100 may comprise a body portion 105 , a heating element 110 , and a reservoir 115 in fluid communication with the heating element 110 via a porous wick (not shown).
  • the body portion 105 may comprise an airflow path A.
  • the airflow path A may comprise a first section 130 having a first diameter D 1 , a second section 135 having a second diameter D 2 , and a third section 140 having a third diameter D 3 .
  • the first diameter D 1 may be greater than the second diameter D 2
  • the second diameter D 2 may be less than the third diameter D 3
  • the third diameter D 3 may be substantially equal to the first diameter D 1 .
  • the second diameter D 2 may be equal to about one-half the first diameter D 1 .
  • the second diameter D 2 may be equal to about one-third the first diameter D 1 .
  • first diameter D 1 may be greater than the second diameter D 2
  • second diameter D 2 may be less than the third diameter D 3
  • third diameter D 3 may be less than the first diameter D 1 .
  • the heating element 110 may be coupled to an interior surface 106 of the body portion 105 .
  • the heating element 110 may be configured to heat the porous wick to a temperature sufficient to vaporize the vaporizable liquid flowing therethrough.
  • the heating element 110 may be located at the second section 135 of the airflow path A to form a constricted section (or choke) in the airflow path A.
  • the heating element 110 may comprise any suitable resistive element that dissipates heat when an electric current flows through it, such as a coil, ribbon, strip of wire, wire mesh, and the like. It will be appreciated that the heating element 110 may be constructed from a variety of suitable materials, such as copper, nickel, iron, stainless steel, or a combination thereof.
  • the heating element 110 may comprise a first coil 114 a and a second coil 114 b .
  • the first coil 114 a may be connected to a first jointing point 120 a and a second jointing point 120 b .
  • the second coil 114 b may be connected to the first jointing point 120 a and the second jointing point 120 b .
  • Each jointing point 120 a , 120 b may form an angle with respect to the body portion 105 to reduce airflow drag.
  • the angle may comprise any suitable angle.
  • the angle may be between about 10 degrees and about 30 degrees.
  • the reservoir 115 may comprise any suitable reservoir or tank capable of holding a vaporizable liquid therein.
  • the reservoir 115 may be in fluid communication with the heating element 110 via the porous wick, such that the vaporizable liquid may flow from the reservoir 115 to the heating element 110 .
  • the reservoir may be located at any suitable area within the cartridge 100 .
  • the reservoir 115 may comprise any suitable size and shape.
  • the reservoir may be cylindrical-shaped and may be configured to hold up to 5 or 6 ml of the vaporizer liquid.
  • the reservoir 115 may be constructed from any suitable material, such as glass, ceramic, plastic, and the like.
  • increasing the flow rate of the vaporizable liquid may comprise turning on the vaporizer device ( 300 ).
  • Increasing the flow rate of the vaporizable liquid may also comprise drawing air into the airflow path A to form a first pressure and a second pressure ( 305 ).
  • a user may turn on the vaporizer device by drawing air into the vaporizer device via an inlet 145 of the cartridge 100 by inhaling through a mouthpiece (not shown) connected to an outlet 150 of the cartridge 100 .
  • a negative pressure may be induced inside the vaporizer device.
  • the negative pressure induced inside the vaporizer device may cause a sensor (not shown) to close a pressure switch (not shown), thereby closing a circuit between a battery (not shown) and various components of the vaporizer device.
  • a sensor not shown
  • a pressure switch not shown
  • the battery may supply power to various components of the vaporizer device, including the heating element 110 .
  • the air may flow as an air stream upwards from the inlet along the airflow path A.
  • the relationship between the velocity, density, and pressure of the air stream may be expressed mathematically by the following expression:
  • P Static_1 is a first static pressure at the first section 130 of the airflow path A
  • v 1 is the velocity of the air stream at the first section 130 of the airflow path A
  • ⁇ is the density of the air stream
  • P Static_2 is a second static pressure at the third section 140 of the airflow path A
  • v 2 is the velocity of the air stream at the second section 135 of the airflow path A.
  • the air may flow through the first section 130 of the airflow path A. After the air flows through the first section 130 , the air may flow through the second section 135 of the airflow path A. After the air flows through the second section 135 , the air may flow through the third section 140 of the airflow path A.
  • the velocity of the air stream may increase as the air flows from the first section 130 to the third section 140 via the second section 135 based on scientific principles of mass continuity. Consequently, the velocity of the air stream at the second section 135 of the airflow path A may be greater than the velocity of the air stream at the first section 130 of the airflow path A. Because the velocity of the air stream may increase as the air flows along the airflow path A, the static pressure of the air stream may decrease as the air flows from the first section 130 to the third section 140 via the second section 135 based on scientific principles of energy conservation, e.g., the Venturi effect.
  • Increasing the flow rate of the vaporizable liquid may further comprise increasing the flow rate of the vaporizable liquid in response to forming the first pressure and the second pressure ( 310 ).
  • the flow rate may be proportional to the difference between the first static pressure P Static_1 and the second static pressure P Static_2 .
  • the flow rate may be expressed mathematically by the following expression:
  • q is the flow rate of the vaporizable liquid
  • k is the permeability of the porous wick
  • ⁇ is the dynamic viscosity of the vaporizable liquid
  • d is the distance between the heating element 110 and the reservoir 115 .
  • the flow rate of the vaporizable liquid may increase by
  • ⁇ , k, and ⁇ may be known constants.
  • the vaporizer device may conserve a greater amount of total energy, thereby allowing a user to utilize the vaporizer device many times before having to change or recharge the battery.
  • increasing the pressure drop across the distance d between the heating element 110 and the reservoir 115 may lower the boiling point of the vaporizable liquid, making the vaporizable liquid less prone to experiencing thermal degradations, i.e., molecular deterioration as a result of overheating, thereby effectively activating various compounds, such as terpenes, within the vaporizable liquid to provide the user with improved flavors and aromas.
  • the battery may supply a current to the heating element 110 , where the current may flow through the first coil 114 a and the second coil 114 b to dissipate heat. Because each coil 114 a , 114 b may be in contact with the porous wick, the resulting heat may be transferred to the porous wick. Once the vapor is produced, it may mix with the air drawn into the cartridge 100 , and the resulting aerosol (vapor and airflow) may travel as an aerosol stream along the airflow path A where it may be expelled via the outlet 150 and inhaled through the mouthpiece.
  • the terms “comprise,” “comprises,” “comprising,” “having,” “including,” “includes,” or any variation thereof, are intended to reference a non-exclusive inclusion, such that a process, method, article, composition, or apparatus that comprises a list of elements does not include only those elements recited but may also include other elements not expressly listed or inherent to such process, method, article, composition, or apparatus.
  • Other combinations and/or modifications of the above-described structures, arrangements, applications, proportions, elements, materials, or components used in the practice of the subject technology, in addition to those not specifically recited, may be varied, or otherwise particularly adapted to specific environments, manufacturing specifications, design parameters or other operating requirements without departing from the general principles of the same.

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  • Catching Or Destruction (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
US17/713,647 2021-04-21 2022-04-05 Cartridge with venturi flow path Pending US20220338548A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US17/713,647 US20220338548A1 (en) 2021-04-21 2022-04-05 Cartridge with venturi flow path
US18/639,635 US20240277061A1 (en) 2021-04-21 2024-04-18 Cartridge with venturi flow path

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202163177587P 2021-04-21 2021-04-21
US17/713,647 US20220338548A1 (en) 2021-04-21 2022-04-05 Cartridge with venturi flow path

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US18/639,635 Division US20240277061A1 (en) 2021-04-21 2024-04-18 Cartridge with venturi flow path

Publications (1)

Publication Number Publication Date
US20220338548A1 true US20220338548A1 (en) 2022-10-27

Family

ID=83606745

Family Applications (2)

Application Number Title Priority Date Filing Date
US17/713,647 Pending US20220338548A1 (en) 2021-04-21 2022-04-05 Cartridge with venturi flow path
US18/639,635 Pending US20240277061A1 (en) 2021-04-21 2024-04-18 Cartridge with venturi flow path

Family Applications After (1)

Application Number Title Priority Date Filing Date
US18/639,635 Pending US20240277061A1 (en) 2021-04-21 2024-04-18 Cartridge with venturi flow path

Country Status (2)

Country Link
US (2) US20220338548A1 (zh)
CN (1) CN115211594A (zh)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160081394A1 (en) * 2013-05-10 2016-03-24 Loec, Inc. Flavor vortex device
US20180000159A1 (en) * 2015-02-05 2018-01-04 Jt International S.A. Aerosol guiding device and aerosol generating system comprising said aerosol guiding device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160081394A1 (en) * 2013-05-10 2016-03-24 Loec, Inc. Flavor vortex device
US20180000159A1 (en) * 2015-02-05 2018-01-04 Jt International S.A. Aerosol guiding device and aerosol generating system comprising said aerosol guiding device

Also Published As

Publication number Publication date
US20240277061A1 (en) 2024-08-22
CN115211594A (zh) 2022-10-21

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