EP2723203A2 - Portable tobacco vaporizer - Google Patents
Portable tobacco vaporizerInfo
- Publication number
- EP2723203A2 EP2723203A2 EP12802667.1A EP12802667A EP2723203A2 EP 2723203 A2 EP2723203 A2 EP 2723203A2 EP 12802667 A EP12802667 A EP 12802667A EP 2723203 A2 EP2723203 A2 EP 2723203A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- vaporizer
- user
- heating element
- heater
- air
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- A61M15/00—Inhalators
- A61M15/06—Inhaling appliances shaped like cigars, cigarettes or pipes
-
- 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
-
- 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
- A24F40/60—Devices with integrated user interfaces
-
- 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
- A61M11/041—Sprayers or atomisers specially adapted for therapeutic purposes operated by the vapour pressure of the liquid to be sprayed or atomised using heaters
- A61M11/042—Sprayers or atomisers specially adapted for therapeutic purposes operated by the vapour pressure of the liquid to be sprayed or atomised using heaters electrical
-
- 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
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/1075—Preparation of respiratory gases or vapours by influencing the temperature
- A61M16/108—Preparation of respiratory gases or vapours by influencing the temperature before being humidified or mixed with a beneficial agent
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/20—Devices using solid inhalable precursors
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3368—Temperature
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/36—General characteristics of the apparatus related to heating or cooling
- A61M2205/3653—General characteristics of the apparatus related to heating or cooling by Joule effect, i.e. electric resistance
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/82—Internal energy supply devices
- A61M2205/8206—Internal energy supply devices battery-operated
Definitions
- the present invention generally relates to the field of vaporizers for consuming botanical materials, such as tobacco, and more particularly to an apparatus and method for using a portable, self-contained vaporizer for sufficient to release volatile components without combustion,
- Tobacco is commonly consumed by igniting the tobacco, thus requiring that the consumer inhale products of combustion along with any volatile compounds, such as nicotine, that are present. Since combustion products may be harmful, the inhalation of combusted tobacco may produce unwanted health effects.
- One way of avoiding inhaling combustion products is to heat the tobacco, without combustion, to a temperature sufficient to drive off its volatile compounds.
- Prior art devices often referred to as "vaporizers,” commonly employ a continuous heating source such as a butane-powered flame, a butane powered catalytic burner, or an electrical resistive heater.
- the heat source in man)' such devices is in conductive contact with the tobacco or the receptacle containing the tobacco. This may result in high temperatures, leading to singing and charring of the tobacco near the heat source.
- One embodiment of the present invention overcomes the disadvantages of prior art by providing a vaporizer that entirely contains a material to be consumed.
- Another embodiment of the present invention overcomes the disadvantages of prior art by providing a vaporizer having an upper portion that may be removably placed on a lower portion to contain tobacco, in one embodiment, the upper and lower portions are held in place with magnets.
- Yet another embodiment of the present invention overcomes the disadvantages of prior art by providing an enclosed vaporizer having a window for viewing tobacco contained therein.
- the window also allows the extracted vapor and glow from a heating element to be view r ed,
- One embodiment of the present invention overcomes the disadvantages of prior art by providing an enclosed vaporizer that allows the glow from a heating element to also be viewed through an air inlet.
- Another embodiment of the present invention overcomes the disadvantages of prior art by providing a vaporizer having a heating element suspended in a transparent heatmg chamber that allows for the transmission of light generated by the heating element of the device.
- Yet another embodiment of the present invention overcomes the disadvantages of prior art by providing an enclosed vaporizer having a heating element suspended in a transparent heating chamber that is integrated with and concentric to the material chamber.
- One embodiment of the present invention includes a computer controlled temperature regulation system that allows for the proper vaporization temperature.
- Another embodiment of the present invention includes a vaporizer having
- the vaporizer includes a housing; a heater substantially within the housing including an electrical energy storage device, a user- operable switch, a heating element, and an electrical circuit including the electrical energy storage device, the user-operable switch, and the heating element, where the electrical circuit is adapted to provide energy from the electrical energy storage device to the heating element when the user-operable switch is actuated.
- the vaporizer further includes a passageway with the housing, the passageway including an air inlet, a heater section to provide thermal contact with air within the heater and the heating element, a receptacle for containing tobacco, and an air outlet.
- the user may thus actuate the user-operable switch and inhale through the outlet to draw air external to the vaporizer to sequentially, eat air in contact with the heating element to a heated air temperature, at least partially vaporize the botanical material with the heated air, then provide at least a portion of the vaporized tobacco through the outlet to the user.
- the method includes manually actuating the vaporizer, where the vaporizer includes stored electric energy, a receptacle for containing the botanical material, and a flow passageway extending from an inlet, through a manually actuatible heater to accept the stored electric energy and heat air, through the receptacle, to an outlet; and inhaling through the outlet. Air is thus drawn external to the vaporizer into the passageway and sequentially, has the air temperature increased in the heater, heats and extracts a vapor from the botanical material, and provides the vapor to the user.
- a vaporizer to provide a user with a vapor from a botanical material.
- the vaporizer includes a heating element, and a passageway including an air inlet; a heater section to provide thermal contact with air within the heater and the heating element; a receptacle for containing a botanical material; a window to transmit thermal radiation from the heater section to the user, and an air outlet.
- the user has a visual cue that inhaled air may be heated to a temperature sufficient to vaporize the botanical material.
- the user thus has a visual cue that inhaled air may be heated to a temperature sufficient to vaporize the botanical material.
- FIG. I is a top perspective view of one embodiment of a vaporizer; [0020] FIG. 2 is a top view of the vaporizer of FIG. 1; [0021] FIG. 3 is a left side view of the vaporizer of FIG. 1; [ 0022] FIG. 4 is a distal end view of the vaporizer of FIG. 1; [ 0023] FIG. 5 is a proximal end view of the vaporizer of FIG. 1
- FIG. 6 is a top perspective view of the vaporizer of FIG. 1 with the upper portion removed from the lower portion;
- FIG. 7 is a sectional view 7-7 of FIG. 2;
- FIG. 8 is a sectional view 8-8 of FIG. 3;
- FIG. 9 is an exploded view of one embodiment of a heater block
- FIG. 10 is a perspective view of a partially assembled heater block
- FIG. 11 is the view of FIG. 6 illustrating air flow through the vaporizer
- FIG. 12 is a cut-away perspective sectional view of the embodiment of FIG. 11.
- FIG. 13 is a schematic view of one embodiment of the electronics within the vaporizer.
- Figure 1 is a top perspective view of one embodiment of a hand-held vaporizer 100
- Figures 2, 3, 4, and 5 are, respectively, views of a top side 106, a left side 202, a distal end 104, and a proximal end 102 of the vaporizer.
- Vaporizer 100 includes a housing 101 having a mouthpiece 103 with an opening 311 into the vaporizer at proximal end 102, an air inlet 105 at distal end 104, and a window 107 on top side 106 through which one can view r material placed within the vaporizer, and a push-button switch 109 on a right side 108,
- Left side 202 includes a power switch ' 201, a power connector 305, indicator lights 307, and a recess 309.
- the material to be vaporized forms may be, but is not limited to, a botanical material, such as tobacco, and is referred to herein and without limitation as tobacco.
- Bousing 101 is formed from a rigid material, and may include one or more pieces or layers of metal or plastic.
- sides 108, 2 ⁇ 2, and ends 1 ⁇ 2, 104 include a case 207 and a removable bottom panel 303
- top side 106 includes an elongated portion 205 and a bezel 2 ⁇ 3 protruding above and surrounding window 107.
- Window 107 is preferably a scratch resistant material that is transparent to visible light, and may be, for example and without limitation, a glass, such as a borosilicate glass or a crystal quartz or fused quartz material.
- Vaporizer 100 is preferably sized to be hand-held, and may have dimensions of a height, H, of from 20 to 30 mm, such as height H of 25 mm, a length, L, of from 110 to 170 mm, such as a length L of 140 mm, and a width, W, of from 40 mm to 60 mm, such as a width of 50 mm,
- Indicator lights 307 may include one light, or several different color lights (such as red, green, and/or blue) to indicate if vaporizer 100 is being powered, temperature settings, and/or battery power remaining in the vaporizer.
- a user may open housing 101 utilizing recess 309 and tobacco below window 107, grasp case 207, and push push-button switch 109.
- a heater within vaporizer 1 0 emits visible light through window 1 7 and through air inlet 105 to indicate that a proper vaporizing temperature has been reached and that the user should inhale though opening 311 in mouthpiece 103.
- the action of inhaling causes air to be drawn in through air inlet 105 where it is first h eated in the heater and then vaporizes the tobacco, the v apors of which are inhaled by the user through the mouthpiece.
- power switch 201 may include several settings, such as a power off setting, a low power setting and a high temperature setting for controlling a temperature of vaporizer 100, and power connector 305 allows for recharging of an internal battery.
- Figure 6 as a top perspective view of vaporizer 100 illustrating that the vaporizer includes an upper portion 210 and a lower portion 220.
- Upper portion 210 includes elongated portion 205, bezel 203, and window 107.
- elongated portion 205 forms surfaces 611, lip 613, recess 615, and includes magnets 621 and a window fixture 631.
- Window fixture 631 further includes include flat surfaces 633 and grooves 635, and is held onto elongated portion 205 with screws 637, as shown in more detail in FIG. 7.
- Lower portion 220 includes case 207, bottom panel 303, mouthpiece 103, air inlet 105, push-button switch 109, power switch 201 , power connector 305, indicator lights 307, and recess 3 ⁇ 9.
- air inlet 105 is formed from a grill 703 that may be separate from case 207, and a wire mesh 705 to prevent contaminants from entering vaporizer 100.
- lower portion 220 includes a surface 601 and a ledge 603.
- Surface 601 includes openings into the interior of the housing, and specifically a first opening 607 and a second opening 605 exposing a recessed bowl 640 having an upper surface 604, which is contiguous with surface 601 and a bottom mesh 717.
- Surface 601 is, or includes, a material that is attracted to magnets 621.
- magnets 621 are attracted to a top 601 such that lip 613 contacts ledge 6 ⁇ 3, surfaces 611 contact surface 601, surfaces 601 and 604 contact surface 633, and recess 615 and grooves 635 do not contact either surface 601 or 604, providing a gap that provides for air flow between opening 605 and 607.
- FIG. 7 A more detailed description of one embodiment of upper portion 210 and lower portion 220 are illustratively shown in Figure 7, which is a sectional view 7-7 of FIG. 2, and Figure 8, which is a sectional view 8-8 of FIG. 3.
- Upper portion 210 includes window fixture 631, which is attached to elongated portion 205 with screws 637.
- Window fixture may also include gaskets or G-rings to provide a gas-tight seal for window 107.
- Lower portion 220 also inc ludes a heater section 71 , control electronics 720, and an energy storage section 730.
- Heater section 710 further includes a heater block 711 including a lower core 702 and upper core 704 that form having a passageway 713 including a heating element 715, and bowl 640 having a mesh 717 bottom, bowl sides 719, opening 605, a temperature sensor, as shown and discussed subsequently.
- heating element 715 is a resistive coil, such as nickel-chromium alloys such as NICHI OMETM, INCONELTM, or a FeCrAl alloy, such as KA.NTHALTM, and cores 7 ⁇ 2 and 7 ⁇ 4 are transparent to visible light, and may constructed, for example, from borosilicate glass, crystal quartz or fused quartz. Thus when power is dissipated within heating element 715, a glow may be visible through window 107 and/or air inlet 105.
- nickel-chromium alloys such as NICHI OMETM, INCONELTM, or a FeCrAl alloy, such as KA.NTHALTM
- cores 7 ⁇ 2 and 7 ⁇ 4 are transparent to visible light, and may constructed, for example, from borosilicate glass, crystal quartz or fused quartz.
- Control electronics 720 includes a circuit board 723 on which are mounted a programmable processor 725, a power controller 727, and other digital and/or analogue circuitry for controlling and powering vaporizer 100, such as power switch 201, power connector 305, and indicator lights 307.
- a programmable processor 725 for controlling and powering vaporizer 100
- power switch 201 for controlling and powering vaporizer 100
- power connector 305 for connecting a switch vaporizer 100
- other switches, buttons, and sensors such as temperature sensors, may be dispersed throughout vaporizer 100 and may be wired into control electronics 720.
- Energy storage section 730 includes a batten' frame 733 attached to case 207 and battery 731.
- battery 731 is a 7.4 V, 800 mAh battery with a discharge rate of 7 C.
- Figure 9 is an exploded view of heater block 711, which includes a bottom heat transfer mat 910, a lower core 920, a middle heat transfer mat 930, power and control components 940, an upper core 950, and a top heat transfer mat 960.
- Lower core 920 and upper core 950 may be, for example and without limitation, lower core 702 and upper core 704, respectively.
- Lower mat 910 includes an opening 911 and a slot 913.
- Lower core 920 includes an opening 921 that is positioned above slot 913, a groove 922, a heating element support 923, a circular recess 934 with a central mesh support 925, a temperature sensor receptacle 927, and element ground receptacle 926 and a heating element power receptacle 928.
- Middle heat transfer mat 930 includes an outer portion 931 and an inner portion 935 that supports mesh 717.
- Power and control components 940 include heating element 715 attached to a compression fitting 945 connected to a ground wire 947, and to a compression fitting 943 connected to a power lead 949, and a temperature sensor 942.
- Upper core 950 includes opening 605 and bowl sides 719.
- Top heat transfer mat 960 includes an opening 961.
- Mats 910, 930, and 950 are preferably formed from a high-temperature food-safe silicone rubber.
- Lower core 920 and upper core 950 are preferable formed from borosilicate glass or quartz crystal.
- Mesh 717 is preferably formed from stainless steel.
- Temperatures sensor 942 is preferably a glass-coated thermistor, such as a model G100K 000C1 manufactured by Measurement Specialties Inc., of Hampton, VA.
- FIG. 10 is a perspective view of a partially assembled heater block 711.
- upper core 95 ⁇ also includes a groove 1001, a heating element support 1003, a heating element power receptacle 1005, a heating element ground receptacle 1003, and a temperature sensor receptacle 1009.
- Heating element 715 is placed with grooves 922 and 1001, and is supported midway by heating element supports 923 and 1003, compression fitting 945 is sandwiched between receptacles 926 and 1007, and compression fitting 943 sandwiched between receptacles 928 and 1 ⁇ 05.
- passageway 713 is formed by mated grooves 922 and 1001.
- temperature sensor 942 is sandwiched between temperature sensor receptacles 927 and 1009 such that the temperature of a gas may be sensed near mesh 717.
- FIG. 11 and 12 illustrate the placement of tobacco M within bowl 640, and the flow of air and vapors through vaporizer 100. Specifically, FIG. 11 shows upper portion 210 removed from lower portion 220. This configuration provides access to bowl 640 for cleaning and placing fresh a fresh tobacco M and to clean otherwise internal surfaces 601 and 611, recess 615 and window fixture 631.
- FIG. 11 illustrates portions of surfaces 601 and 604 which contact surfaces 611 and 633 (shown as 601a), restriction or prohibiting air flow, while other portions of surfaces 601 and 604 do not contact recesses 615 or 635 (shown as surface 601b) and thus provide an air flow passageway.
- FIG. 11 illustrates portions of surfaces 601 and 604 which contact surfaces 611 and 633 (shown as 601a), restriction or prohibiting air flow, while other portions of surfaces 601 and 604 do not contact recesses 615 or 635 (shown as surface 601b) and thus provide an air flow passageway.
- FIG. 11 illustrates portions of surfaces 601 and 604 which contact surfaces 611 and 633 (shown as 601a), restriction or prohibiting air flow, while other portions of surfaces 601 and 604 do not contact recesses 615 or 635 (shown as surface 601b) and thus provide an air flow passageway.
- FIG. 11 illustrates portions of surfaces 601 and 604 which contact surfaces 611 and 633 (show
- FIG. 12 illustrates the flow of air from air inlet 105 though bowl 640. Air is drawn though opening 911, along slot 913, up through opening 921, through passageway 713, where the air is heated by contact with heating element 715, up through mesh 717 into bowl 640, along surface 601 to opening 6 ⁇ 7 and through opening 311 of mouthpiece 103.
- FIG. 13 is a schematic 1300 illustrating control electronics 720 of vaporizer 100.
- schematic 1300 shows connections between power switch 201, push-button switch 109, indicator lights 307, battery 731, programmable processor 725, power controller 727, temperature sensor 942, and heating element 715.
- control electronics 720 may also prevents the vaporizer body and internal components from overheating and causing damage to the battery, computer, or other internal components.
- Processor 725 is powered from battery 731 and is programmed to accept input from power switch 201, push-button switch 109 and temperature sensor 942, provide power to one or more indicator lights 307, and provide a signal to power controller 727.
- Power controller 727 accepts command signals from processor 725 to provide power from battery 731 to heating element 715.
- Power switch 201 may have 2 or more setting, such as an "off” setting, and an “on” setting, or an “off setting, a “low temperature” setting and a “high temperature” setting. With power switch 201 in the “off setting, ail electronics in vaporizer 100 are powered off. With power switch 201 in an “on,” “low temperature” or “high temperature” setting, processor 725 has a corresponding stored on temperature (TON), low temperature (TL) or high temperature (TH) which are target temperatures for controlling a temperature measured by temperature sensor 942. As described above, temperature sensor 942 measures the air temperature just before the heated air flows through bowl 640.
- TON stored on temperature
- TL low temperature
- TH high temperature
- Indicator lights 307 may include lights that are programmed to provide an indication of the operation of vaporizer 100.
- indicator lights 307 may include a dim green light that is powered to indicate that vaporizer 100 is powered on in a low temperature setting, a bright green light that is powered to indicate that the vaporizer is powered in a high temperature setting, blinking blue light to indicate that the vaporizer is charging, a red light to indicate that batten' power is low, and a solid red light to indicate the device is overheated and has been automatically shut down.
- processor 725 provides signals to power controller 727 to provide electric power from battery 731 to heating element 715.
- processor 725 uses a control algorithm, such as a PID control algorithm, to power heating element 715 such that the temperature, T, measured by temperature sensor 942 is maintained at the temperature indicated by power switch 201.
- vaporizer 100 may be optimized according to a desired vapori zation temperature.
- the target temperature of temperature sensor 942 is selected to effectively drive off volatiles from tobacco, or other botanical materials of interest.
- the Table I contains effective vaporization temperatures of some botanical materials, grouped as having low, medium, or high vaporization temperatures. These groups are for reference only, and is seen that each material may have a range of vaporization temperatures, which may span different groups. Thus, for example, tobacco spans the low, medium, and high range, due to number and type of volatile substances found in tobacco. Vaporizer 100 allows the user to control how the biological material is vaporized according to the temperature setting of vaporizer 100.
- Thyme Thymus Vulgaris Herb 100 °C to 150 °C
- Ginkgo Ginkgo Biloba Leaves, Seeds 125 °C to 1 75 °C
- Camomile Matriarca chamomiila Flowers 190 °C
- Aloe Vera Aloe Vera Gelatinous 1 75 °C to 200 °C
- Ginseng 175 °C to 200 °C
- Licorice 175 °C to 200 °C
- the target temperature as measured by temperature sensor 942 is in the range of from 145 °C to 205 °C, and may be, for example and without limitation, be
- the low temperature setting maybe suitable for vaporizing low temperature volatiles such as tobacco and have a temperature in the range of from 150 °C to 165 °C, with a value, for example of 150 °C, 155 °C, 160 °C, or 165 °C.
- the high temperature setting maybe suitable for vaporizing higher temperature volatiles, such as ginseng, and have a temperature of 190 °C to 205 °C, with a value, for example of 190 °C, 195 °C, 200 °C, or 205 °C.
- FIGS. 1 and 3 With reference to FIGS. 1 and 3, with power switch 201 in an "off position," a user grasps lower portion 220 in one hand and places their thumb in recess 309 to remove upper portion 210. With reference to FIG. 6, a user may then clean the various internal surfaces and bowl 640, and place a fresh sample of a botanical material in the bowl. Upper portion 210 may then be securely placed on top of lower portion 220.
- a user may, at any time, look through window 107 to verify the presence of a botanical material.
- control electronics 72 ⁇ has provided sufficient power to raise the air near temperature sensor 942 to the target temperature, as stored within processor 725.
- the glow from heating element 715 may be seen by the user through window 107 and/or through air inlet 105.
- the extracted vapor may also be viewed through window 107.
- the user may then inhale through mouthpiece 103. Air is then drawn into air inlet 105, through passageway 713, through the botanical material in bowl 640, between grooves 635 and surface 601, along surface 601 into opening 607, and then through opening 311 to the user's mouth.
- heating element 715 heats air within passageway 713, and thus the botanical material within bowl 640 is vaporized convectively as the hot air flows through the botanical material.
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- Animal Behavior & Ethology (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Veterinary Medicine (AREA)
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- Pulmonology (AREA)
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Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/167,968 US20120325227A1 (en) | 2011-06-24 | 2011-06-24 | Portable vaporizer |
PCT/US2012/043776 WO2012178028A2 (en) | 2011-06-24 | 2012-06-22 | Portable tobacco vaporizer |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2723203A2 true EP2723203A2 (en) | 2014-04-30 |
EP2723203A4 EP2723203A4 (en) | 2015-08-12 |
Family
ID=47360633
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12802667.1A Withdrawn EP2723203A4 (en) | 2011-06-24 | 2012-06-22 | Portable tobacco vaporizer |
Country Status (6)
Country | Link |
---|---|
US (1) | US20120325227A1 (en) |
EP (1) | EP2723203A4 (en) |
JP (1) | JP6041402B2 (en) |
CN (1) | CN103717098A (en) |
CA (1) | CA2839731A1 (en) |
WO (1) | WO2012178028A2 (en) |
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WO2012178028A3 (en) | 2013-04-04 |
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