WO2018178978A1 - Device and method for smoking a cigarette - Google Patents

Device and method for smoking a cigarette Download PDF

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Publication number
WO2018178978A1
WO2018178978A1 PCT/IL2018/050352 IL2018050352W WO2018178978A1 WO 2018178978 A1 WO2018178978 A1 WO 2018178978A1 IL 2018050352 W IL2018050352 W IL 2018050352W WO 2018178978 A1 WO2018178978 A1 WO 2018178978A1
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WO
WIPO (PCT)
Prior art keywords
capsule
cigarette
electrode
electrode assemblies
controller
Prior art date
Application number
PCT/IL2018/050352
Other languages
French (fr)
Inventor
Edik ELIAEV (Eduard)
Original Assignee
Eliaev Edik Eduard
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 Eliaev Edik Eduard filed Critical Eliaev Edik Eduard
Publication of WO2018178978A1 publication Critical patent/WO2018178978A1/en

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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
    • A24F13/00—Appliances for smoking cigars or cigarettes
    • A24F13/02—Cigar or cigarette holders
    • A24F13/12—Cigar or cigarette holders combined with other objects, e.g. writing utensils
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23Q—IGNITION; EXTINGUISHING-DEVICES
    • F23Q3/00—Igniters using electrically-produced sparks
    • F23Q3/01—Hand-held lighters, e.g. for cigarettes

Definitions

  • One aspect of the present invention provides a device for eliminating sidestream smoke released from a cigarette, the device comprising : a capsule comprising a first capsule part and a second capsule part, the first capsule part and the second capsule part configured to form, upon connection, a cavity within the capsule, the cavity configured to accommodate the cigarette; an ignition assembly comprising a plurality of electrode assemblies, an electronic ignition circuity, at least one power source and at least one actuator, wherein each of the plurality of electrode assemblies is positioned within the cavity at a predetermined longitudinal location and configured to light the cigarette at the predetermined longitudinal location upon actuation by the at least one actuator; and a housing configured to accommodate the capsule and the ignition assembly.
  • the device further comprises a first valve assembly removably attachable to a distal end of the capsule and a second valve assembly removably attachable to a proximal end of the capsule.
  • the first valve assembly comprises a first valve
  • the second valve assembly comprises a second valve
  • the first valve and the second valve configured to enable airflow through the cavity of the capsule when a pressure gradient between the distal end and the proximal end is above a predetermined threshold and to prevent the air flow when the pressure gradient is below the predetermined pressure.
  • each of the plurality of electrode assemblies comprises a first electrode and a second electrode, wherein the first electrode is positioned at a substantially opposite portion of a transverse cross-section of the capsule with respect to the second electrode.
  • the ignition assembly further comprises a plurality of actuators, wherein each of the plurality of actuators is coupled to one of the plurality of electrode assemblies and configured to actuate, upon activation, the respective electrode assembly.
  • the electronic ignition circuity is configured to magnify a voltage supplied by the at least one power source to enable generation of an ignition spark at each of the plurality of electrode assemblies in response to activation of the at least one actuator.
  • the device further comprises a controller embedded within the housing, the controller being configured to control the actuation of each of the plurality of electrode assemblies, upon activation of the at least one actuator.
  • the controller is further configured to determine an electrode assembly of the plurality of electrode assemblies that is being actuated upon activation of the at least one actuator and further to actuate, upon next activation of the at least one actuator, an adjacent electrode assembly that is positioned up a smoke stream.
  • the device further comprises a smoke detector positioned within the cavity of the capsule and coupled to the controller, the smoke detector being configured to detect a smoke released by the cigarette.
  • the controller is further configured to determine an electrode assembly of the plurality of electrode assemblies that is being actuated upon activation by the at least one actuator, to determine, based on readings of the smoke detector, that a smoke concertation within the capsule is below a predetermined threshold, and to actuate an adjacent electrode assembly that is positioned up a smoke stream.
  • the device further comprises a thermostat coupled to the capsule and to the controller, the thermostat being configured to determine a temperature of the capsule and to prevent actuation of the electrode assemblies when the temperature of the capsule is beyond a predetermined threshold.
  • the controller is further configured to determine a number of actuations of the electrode assemblies within a predetermined time range and to prevent actuation of the electrode assemblies when the number of actuations is beyond a predetermined threshold.
  • the controller is configured to prevent actuation of the electrode assemblies when the housing is open.
  • the controller is further configured to determine a period of time during which the at least one actuator is being activated and to prevent actuation of the electrode assemblies when the determined period of time is below a predetermined threshold.
  • the device further comprises a flow sensor positioned within the cavity of the capsule and coupled to the controller, the flow sensor being configured to determine air flow through the cavity.
  • the controller is further configured to actuate at least one of the electrode assemblies of the plurality of electrode assemblies upon detection of the air flow within the cavity by the flow sensor and to stop actuation of the electrodes upon detection of ignition of the capsule content.
  • Another aspect of the present invention provides a method of eliminating sidestream smoke released by a cigarette, the method comprising: enclosing the cigarette within a predetermined volume; lighting the cigarette at a predetermined location within the predetermined volume while introducing air into the predetermined volume; preventing the sidestream smoke being released by the cigarette from escaping the predetermined volume; and preventing the introduction of air into the predetermined volume to extinguish the cigarette.
  • the method further comprises preventing lighting of the cigarette when a temperature within the predetermined volume exceeds a predetermined threshold.
  • the method further comprises determining a location of intended lighting of the cigarette based on a smoke concentration within the predetermined volume.
  • the method further comprises igniting the cigarette upon detection of air flow through the predetermined volume.
  • Figures 1A-1C are schematic illustrations of a device for eliminating sidestream smoke released from a cigarette, comprising a plurality of actuators, according to some embodiments of the invention
  • Figures 1D-1G are schematic illustrations of various embodiments of ignition assembly for a device for elimination of sidestream smoke released from a cigarette, according to some embodiments of the invention.
  • Figure 2 is a schematic block diagram of a device for eliminating sidestream smoke released from a cigarette, comprising a single activator, according to some embodiments of the invention.
  • Figure 3 is a schematic block diagram of a method of eliminating sidestream smoke released by a cigarette, according to some embodiments of the invention
  • the device may comprise a capsule configured to receive and accommodate a cigarette.
  • the device may comprise an ignition assembly comprising a plurality of electrode assemblies positioned at predetermined longitudinal locations along the capsule.
  • the device may enable and/or prevent an introduction of air/oxygen into the capsule to light and/or extinguish the cigarette, respectively, while preventing the sidestream smoke from escaping the capsule.
  • Figures 1A-1C are schematic illustrations of a device 100 for eliminating sidestream smoke released from a cigarette 90, comprising a plurality of actuators 126, according to some embodiments of the invention.
  • Illustration 100a in Figure 1A shows a perspective view of disassembled device 100.
  • Illustrations 100b, 100c in Figure IB show a perspective cross-section view and a perspective view of assembled device 100, respectively.
  • Illustration lOOd in Figure 1C shows a schematic block diagram of device 100.
  • Device 100 may comprise a capsule 110 adapted to accommodate a packed smoking material.
  • the smoking material may comprise, for example, tobacco, cannabis, etc.
  • the smoking material may be packed in the form of, for example, cigarette 90 (e.g., as shown in Figure 1A).
  • cigarette 90 has a cross-sectional shape selected from a group consisting of: a circle (e.g., as shown in Figure 1A), an oval, an ellipse, a rectangular, a triangle and/or a polygon.
  • Capsule 110 may have a distal end 111 and a proximal end 112.
  • Capsule 110 may comprise a first capsule part 113 and a second capsule part 114.
  • Second capsule part 114 may be removably attached to first capsule part 113 to form a cavity 115 within capsule 110.
  • Cavity 115 may be adapted to accommodate cigarette 90.
  • cavity 115 may have a cross-section that corresponds to the cross-section of cigarette 90 (e.g., a circular cross-section as shown in Figure 1A).
  • Second capsule part 114 may be separated from first capsule part 113 to enable insertion of cigarette 90 within cavity 115 of capsule 110.
  • first capsule part 113 may comprise indents 113a and/or second capsule part 114 may comprise corresponding protrusions 114a (e.g., as shown on Figure 1A).
  • Capsule 110 may comprise sealing means 116 (e.g., a silicon bands) than may surround protrusions 114a of second capsule part 114.
  • Protrusions 114a, indents 113a and/or sealing means 116 may be configured to provide sealing of cavity 115 in order to, for example, prevent from smoke released by cigarette 90 from escaping capsule 110.
  • Capsule 110 may be made of a thermal durable and insulating material (e.g., ceramics).
  • Device 100 may comprise an ignition assembly 120.
  • Ignition assembly 120 may comprise a plurality of electrode assemblies 122, for example, a first electrode assembly 122a, a second electrode assembly 122b, a third electrode assembly 122c, a fourth electrode assembly 122d, a fifth electrode assembly 122e and/or a sixth electrode assembly 122f.
  • Each of electrodes assemblies 122a, 122b, 122c, 122d, 122e and/or 122f may be positioned within cavity 115 of capsule 110 at a predetermined location and/or may be configured to light cigarette 90 at the predetermined location along capsule 110 by, for example, an ignition spark and/or ignition arc generated upon actuation.
  • the ignition arc may be an electrical breakdown generated due to, for example, thermionic emission of electrons between electrodes of, for example, respective electrode assembly of the plurality of electrode assemblies 122.
  • Figure 1C illustrates six electrode assemblies 122, it is not meant to be limiting in anyway and ignition assembly 120 of device 100 may comprise any number of electrode assembly 122.
  • Ignition assembly 120 may comprise a plurality of capacitors 124, for example, a first capacitor 124a, a second capacitor 124b, a third capacitor 124c, a fourth capacitor 124d, a fifth capacitor 124e and/or a sixth capacitor 124f (e.g., as shown in Figure 1A-1C).
  • capacitors 124 for example, a first capacitor 124a, a second capacitor 124b, a third capacitor 124c, a fourth capacitor 124d, a fifth capacitor 124e and/or a sixth capacitor 124f (e.g., as shown in Figure 1A-1C).
  • Ignition assembly 120 may comprise a plurality of actuators 126, for example, a first actuator 126a, a second actuator 126b, a third actuator 126c, a fourth actuator 126d, a fifth actuator 126e and/or a sixth actuator 126f (e.g., as shown in Figure 1A-1C).
  • Each of actuators 126 may be configured to actuate one of electrode assemblies 122, upon activation of that actuator.
  • Each of actuators 126 may be a button positioned on outer face of a housing 150 (e.g., as shown in Figures 1A-1B), and/or the activation of each of the actuators 126 may comprise, for example, pressing the respective button.
  • each of capacitors 122 is coupled to, for example, one of electrode assemblies 122 and/or to one of actuators 126.
  • first capacitor 124a, second capacitor 124b, third capacitor 124c, fourth capacitor 124d, fifth capacitor 124e and/or sixth capacitor 124f may be coupled to first electrode assembly 122a, second electrode assembly 122b, third electrode assembly 122c, fourth electrode assembly 122d, fifth electrode assembly 122e and/or sixth electrode assembly 122f, respectively, and/or to first actuator 126a, second actuator 126b, third actuator 126c, fourth actuator 126d, fifth actuator 126e and/or sixth actuator 126f, respectively (e.g., as shown in Figure 1C).
  • Ignition assembly 120 may comprise a power source 128 configured to supply a voltage to, for example, capacitors 124 and/or to electrode assemblies 122.
  • power source 128 is a battery and/or a rechargeable battery.
  • Ignition assembly 120 may comprise an electronic ignition circuity (not shown) that may couple each of elements of ignition assembly 120 (e.g., as schematically indicated by arrows in Figure 1C).
  • the electronic ignition circuity may be configured to, for example, magnify the voltage supplied by power sources 128, to enable generation of an ignition spark and/or ignition arc at each of electrode assemblies 122 in response to activation of respective actuator (e.g., one of actuators 126, as described above).
  • Device 100 may comprise a first valve assembly 130 and/or a second valve assembly 135 removably attachable to distal end 111 and/or proximal end 112 of capsule 110, respectively.
  • Device 100 may comprise a mouthpiece 140 that may be removably attachable to second valve assembly 135 at proximal end 112 of capsule 110.
  • First valve assembly 130 and second valve assembly 135 may comprise a first valve 132 and a second valve 137, respectively (e.g., as shown in Figure 1C).
  • First valve 132 and second valve 137 may ensure that air from outside is allowed to enter and flow through cavity 115 of capsule 110 only when a pressure gradient (e.g., generated due a suction imposed by a smoker via mouthpiece 140) between distal end 111 and proximal end 112 is above a predetermined threshold.
  • the air flow may enable introduction of oxygen (e.g., oxygen that in air) into cavity 115, thereby allowing lighting of cigarette 90 (e.g., by electrode assemblies 122).
  • First valve 132 and second valve 137 may prevent the air flow when the pressure gradient is below the predetermined threshold to, for example, eliminate introduction of oxygen into cavity 115 of capsule 110 in order to extinguish cigarette 90.
  • the predetermined pressure gradient threshold is set such that, when a user of device 100 (e.g., a smoker) lightly inhales through mouthpiece 140, first vale 132 and second valve 137 are opened, thereby allowing air and/or oxygen to flow through cavity 115, and, when the user stops inhaling, the valves are closed tightly enough to prevent further flow into the capsule.
  • Capsule 110 may comprise sealing means (e.g., sealing means 116 as described above with respect to Figure 1A) positioned, for example, between first capsule part 113 and second capsule part 114, to prevent sidestream smoke released by cigarette 90 from escaping cavity 115 of capsule 110 when, for example, first valve 132 and second valve 137 are closed.
  • sealing means e.g., sealing means 116 as described above with respect to Figure 1A
  • first valve 132 and/or second valve 137 are selected from a group consisting of: a one-way valve, a diaphragm valve and/or a ball valve.
  • each of first valve assembly 130 and/or second valve assembly 135 has a flavored filter.
  • second valve assembly 135 comprises a nicotine reduction filter.
  • dimensions and/or shape of cigarette 90 are predetermined based on dimensions and shape of cavity 115.
  • cigarette 90 may be adapted to occupy substantially a whole interior of cavity 115 so as to, for example, force air to flow through a smoking material packed within cigarette 90, thereby causing burning of the smoking material rather than, for example, cigarette' s 90 paper.
  • mouth piece 140 has a tapered shape in a longitudinal direction along the mouthpiece such that dimensions of a proximal end 141 are greater than dimensions of a distal end 142 (e.g., as shown in Figures 1A-1C). Dimensions of distal end 142 may be adapted to, for example, allow a comfortable insertion of mouth piece 140 into a mouth of a smoker (not shown).
  • Device 100 may comprise a housing 150.
  • Housing 150 may comprise a plurality of indents, openings and/or cutouts that may be configured to accommodate at least capsule 110 and/or ignition assembly 120 (e.g., as shown in Figures 1A-1B).
  • Housing 150 may comprise an openable portion 152 to enable an access into an interior of housing 150 and/or into cavity 115 of capsule 110.
  • second capsule part 114 of capsule 110 may be affixed to openable portion 152 (e.g., within a cutout 152a) to enable easy opening of second capsule part 114 and/or an access into cavity 115 of capsule 110.
  • Device 100 may comprise a controller 160. Controller 160 may be embedded within housing 150 and/or may be coupled to each of elements of ignition assembly 120, for example to electrode assemblies 122, capacitors 124, actuators 126 and/or to power source 128 (e.g., as shown in Figure 1C). Controller 160 may be configured to control lighting of cigarette 90 by controlling elements of ignition assembly 120. [0049] In some embodiments, device 100 comprises a thermostat 162 coupled to capsule 110 and to controller 160.
  • Thermostat 162 may determine a temperature of capsule 110 and/or may prevent actuation of, for example, electrode assemblies 122 (e.g., by electrically decoupling electrode assemblies 122 from capacitors 124, actuators 126 and/or power source 128) when the determined temperature is above a predetermined threshold (e.g., 220°-240° Celsius), thereby, preventing, for example, overheating of capsule 110 and/or of device 100.
  • a predetermined threshold e.g., 220°-240° Celsius
  • controller 160 is configured to determine a number of actuations of electrode assemblies 122 within a predetermined time range. Controller 160 may prevent further actuation of electrode assemblies 122 (e.g., by electrically decoupling electrode assemblies 122 from capacitors 124, actuators 126 and/or power source 128) when the number of actuations within the predetermined time range exceeds a predetermined threshold, thereby, preventing, for example, overheating of capsule 110 and/or of device 100.
  • controller 160 determines a period of time during which actuators 126 are being activated and/or prevents actuation of electrode assemblies 120 when the determined period of time is below a predetermined threshold so as to, for example, prevent an incidental and/or unwanted lighting of cigarette 90.
  • controller 160 may determine a time period during which actuator 126a is, for example, being pressed by a smoker, and/or may prevent actuation of electrode assembly 122a (e.g., that may be coupled to actuator 126a, as shown in Figure 1C) by, for example, electrically decoupling electrode assembly 122a from capacitor 124a, actuator 126a and/or power source 128.
  • controller 160 prevents actuation of electrode assemblies 120 (e.g., by electrically decoupling electrode assemblies 122 from capacitors 124, actuators 126 and/or power source 128) when, for example, openable portion 152 of housing 150 is opened.
  • Device 100 may comprise a cleaning brush (not shown) to clean an interior of capsule 110.
  • the cleaning brush may be adapted to be inserted within cavity 115 of capsule 110 when cleaning is required.
  • the cleaning brush may be stowed in a dent inside housing 150 (not shown) when not in use.
  • the cleaning brush comprises an electrical motor that may be coupled to power source 128 of ignition assembly 120 upon insertion of the cleaning brush within cavity 115 of capsule 110.
  • the electrical motor of the cleaning brush may be activated upon closure of openable portion 152 of housing 150 and/or may be deactivated upon opening of openable portion 152.
  • FIGS 1D-1G schematically illustrate various embodiments of ignition assembly 120 for a device 100 for elimination of sidestream smoke released from a cigarette, according to some embodiments of the invention.
  • Illustrations lOOe, lOOf and lOOg in Figure ID, Figure IE and Figure IF, respectively, show a transverse cross-section of device 100.
  • Illustration lOOh in Figure 1G shows a schematic block diagram of device 100.
  • Ignition assembly 120 of device 100 may comprise a plurality of electrode assemblies 122 (e.g., as described above with respect to Figures 1A-1C).
  • each of electrode assemblies 122 comprises one or more electrodes, for example, a first electrode 122-1 and/or a second electrode 122-2 (e.g., as shown in Figures ID-IE).
  • First electrode 122-1 may be positioned at a substantially opposite portion of a transverse cross-section of capsule 110 with respect to second electrode 122-2.
  • Each of first electrode 122-1 and/or second electrode 122-2 may be coupled to capacitor 124 (e.g., as shown in Figures ID-IE), actuator 126 and/or power source 128 (e.g., as describe above with respect to Figures 1A-1C).
  • Positioning of first electrode 122-1 substantially opposite with respect to second electrode 122-2 may, for example, enable a passage of an ignition spark and/or ignition arc (e.g., generated between first electrode 122-1 and second electrode 122-2) through a center of cigarette' s 90 cross-section, thereby ensuring an effective lighting of the cigarette.
  • first electrode 122-1 and/or second electrode 122-2 penetrates into cigarette 90 (e.g., as shown in Figure IE), thereby directly lighting a smoking material packed within cigarette 90.
  • First electrode 122-1 and second electrode 122-2 may be affixed to a same capsule part (e.g., first capsule part 113 as shown in Figure ID) and/or may be affixed to different capsule parts.
  • first electrode 122-1 may be affixed to first capsule part 113 and/or second electrode 122-2 may affixed to second capsule part 114 (e.g., as shown in Figure IE) to, for example, enable penetration of the electrodes into cigarette 90 upon closure of second capsule part 114 onto first capsule part 113.
  • ignition assembly 120 of device 100 comprises a plurality of filaments 127 and corresponding plurality of heat sources 127a, for example as shown in Figure IF.
  • Each of filaments 127 may be coupled to one of heat sources 127a.
  • Filaments 127 may be adapted to surround at least a portion of cigarette 90 circumference (e.g., as shown in Figure IF). Filament 127 may be heated, for example, by corresponding heat source 127a, to a predetermined temperature, to light cigarette 90.
  • ignition assembly 120 of device 100 comprises a movable actuator 129 (e.g., as shown in Figure 1G).
  • Movable actuator 129 may be configured to be moved in, for example, a longitudinal direction along device 100 between predetermined longitudinal locations, for example, a first predetermined longitudinal location 129a, a second predetermined longitudinal location 129b, a third predetermined longitudinal location 129c, a fourth predetermined longitudinal location 129d, a fifth predetermined longitudinal location 129e and/or a sixth predetermined longitudinal location 129f.
  • Positioning of movable member 129 in a predetermined longitudinal location may actuate a predetermined electrode assembly of the plurality of electrode assemblies 122.
  • positioning of movable member 129 in second predetermined longitudinal location 129b may actuate second electrode assembly 122b.
  • FIG. 2 schematically illustrates a block diagram of a device 200 for eliminating a sidestream smoke released from a cigarette 90, comprising a single actuator 226, according to some embodiments of the invention.
  • Device 200 may comprise a capsule 210 that may accommodate a smoking material (e.g., a tobacco, a cannabis, etc.) that may be packed into, for example, cigarette 90.
  • a smoking material e.g., a tobacco, a cannabis, etc.
  • capsule 210 is identical to capsule 110 as described above with respect to Figures 1A-1D.
  • Device 200 may comprise an ignition assembly 220.
  • Ignition assembly 220 may comprise a plurality of electrode assemblies 222, for example, a first electrode assembly 222a, a second electrode assembly 222b, a third electrode assembly 222c, a fourth electrode assembly 222d, a fifth electrode assembly 222e and/or a sixth electrode assembly 222f.
  • Each of electrodes assemblies 222 may be positioned within capsule 210 at a predetermined location and/or may be configured to light cigarette 90 at the predetermined location along capsule 210 (e.g., by an ignition spark and/or ignition arc generated upon actuation).
  • each of electrode assemblies 222 is identical to at least one of electrode assemblies 122 as described above with respect to Figures 1A-1D. In some embodiments, each of electrode assemblies 222 comprises two electrodes positioned at substantially opposite portions of a transverse cross-section of capsule 210 (e.g., as first electrode 122-1 and second electrode 122-2 as described above with respect to Figure ID).
  • Ignition assembly 220 may comprise a plurality of capacitors 224, for example, a first capacitor 224a, a second capacitor 224b, a third capacitor 224c, a fourth capacitor 224d, a fifth capacitor 224e and/or a sixth capacitor 224f.
  • each of capacitors 224 is identical to at least one of capacitors 124, as shown in Figure 1A-1D.
  • Ignition assembly 220 may comprise an actuator 226.
  • Actuator 226 may be configured to actuate one of electrode assemblies 222, upon activation of the actuator.
  • Actuator 226 may be a button positioned on outer face of a housing (e.g., housing 250 as described below) and/or the activation of actuator 226 may comprise, for example, pressing the button.
  • Ignition assembly 220 may comprise a power source 228 configured to supply a voltage to, for example, capacitors 224 and/or to electrode assemblies 222.
  • power source 228 is identical to power source 128 as described above with respect to Figures 1A-1C.
  • Ignition assembly 220 may comprise an electronic ignition circuity (not shown) that may couple each of elements of ignition assembly 220 and/or may be configured to enable generation of an ignition spark and/or ignition arc at each of electrode assemblies 222 in response to activation of actuator 226.
  • the electronic ignition circuity of ignition assembly 220 is identical to the electronic ignition circuity of ignition assembly 120 of device 100, as described above with respect to Figures 1A-1D.
  • Device 200 may comprise a first valve assembly 230 and/or a second valve assembly 235 that is removably attachable to a distal end 211 and/or a proximal end 212 of capsule 210, respectively.
  • First valve assembly 230 and second valve assembly 235 may comprise valves (e.g., a first valve 232 and a second valve 237) that ensure that air from outside will be allowed to enter and flow through the capsule 210 only when a user imposes suction on a mouthpiece 240, and will prevent flow of air into or out of the capsule 210 at all other times.
  • first valve assembly 230, second valve assembly 235 and/or mouthpiece 240 are identical to first valve assembly 130, second valve assembly 135 and/or mouthpiece 140, respectively, as described above with respect to Figures 1A 1D.
  • Device 200 may comprise a housing 250 that may accommodate capsule 210 and/or ignition assembly 220.
  • housing 250 is identical to housing 150 as described above with respect to Figures 1A-1C.
  • Device 200 may comprise a controller 260 that may be embedded within housing 250. Controller 260 may be coupled to each of elements of ignition assembly 220, for example, to electrode assemblies 222, capacitors 224, actuator 226 and/or to power source 228 (e.g., as shown in Figure 2). Controller 260 may be configured to control lighting of cigarette 90 by controlling elements of ignition assembly 220. In some embodiments, controller 260 is identical to controller 160 as described above with respect to Figures 1A-1C. In various embodiments, device 200 comprises a thermostat 262 coupled to capsule 210 and to controller 260, where thermostat 262 may be identical to thermostat 172 as described above with respect to Figures 1A-1C.
  • Controller 260 may be configured to control an order of actuation of electrode assemblies 222, upon activation of actuator 226.
  • controller 260 actuates a predetermined electrode assembly, upon activation of actuator 226, and further actuates, upon next activation of actuator 226, an adjacent electrode assembly that is positioned up a smoke (e.g., smoke released by cigarette 90) stream (e.g., closer to proximal end 212 of capsule 210 as compared to the predetermined electrode assembly).
  • controller 260 may actuate first electrode assembly 222a upon first activation of actuator 226.
  • Controller 260 may further actuate, upon second activation of actuator 226, second electrode assembly 222b that is adjacent to first electrode assembly 220a and positioned up a smoke stream (e.g., closer to proximal end 212 of capsule 210 as compared to first electrode assembly 220a).
  • device 200 comprises a smoke detector 264 positioned within cavity 215 of capsule 210 and coupled to controller 260 to detect smoke released by cigarette 90 (e.g., as shown in Figure 2).
  • Controller 260 may be configured to control an order of actuation of electrode assemblies 222 based on, for example, a smoke concentration within capsule 210.
  • controller 260 actuates a predetermined electrode assembly upon activation of actuator 226, determines, based on readings of smoke detector 264, that a smoke concentration within capsule 210 is below a predetermined threshold, and/or actuates an adjacent electrode assembly that is positioned up a smoke stream (e.g., closer to proximal end 212 of capsule 210 compared to the predetermined electrode assembly).
  • controller 260 may actuate first electrode assembly 220a upon activation of actuator 262. Controller 260 may further determine, based on readings of smoke detector 264, that a smoke concentration within capsule 210 is below a predetermined threshold and/or may further actuate second electrode assembly 220b that is adjacent to first electrode assembly 220a and positioned up a smoke stream (e.g., closer to proximal end 212 of capsule 210 as compared to first electrode assembly 220a), and so forth, until cigarette 90 is extinguished.
  • device 200 comprises a flow sensor 266 positioned within cavity 215 of capsule 210 and coupled to controller 260.
  • Flow sensor 266 may be configured to determine air flow through cavity 215 (e.g., due to inhalation of air by user via mouthpiece 240).
  • Flow sensor 266 may be configured to act as an actuator (e.g., actuator 226 as described above).
  • controller 260 may be further configured to actuate one of electrode assemblies 222 (e.g., based on readings of smoke detector 264, as described above) upon detection of air flow within cavity 215 by flow sensor 266, thereby eliminating a need in actuator button 226.
  • flow sensor 266 comprises a pressure sensor (not shown) configured to determine a decrease of pressure within cavity 215, and/or pivoted leaf (not shown) configured to rotate due to air flow through cavity 215.
  • the disclosed devices may prevent sidestream smoke released by a cigarette from escaping the device, thereby eliminating or reducing a smoke smell and reducing inconvenience and/or reducing a risk of various diseases (e.g., passive smoking related diseases) among people surrounding a smoker.
  • the disclosed devices may also eliminate a need in an ashtray.
  • An ash from a cigarette may be accumulated and stored in, for example, a cavity of a capsule accommodating a cigarette (e.g., cavity 115 of capsule 110), thereby eliminating a smoke smell that may be released from the ashtray and/or reducing a pollution of a surrounding.
  • Figure 3 is a schematic block diagram of a method 300 of eliminating sidestream smoke released by a cigarette, according to some embodiments of the invention.
  • Method 300 may comprise enclosing 310 the cigarette (e.g., cigarette 90) within a predetermined volume (e.g., within capsule 110, as described above with respect to Figures 1A-1D).
  • a predetermined volume e.g., within capsule 110, as described above with respect to Figures 1A-1D.
  • Method 300 may comprise lighting 320 the cigarette at a predetermined location within the predetermined volume (e.g., by electrode assemblies 120, as described above with respect to Figures 1A-1D) while introducing air into the predetermined volume (e.g., by opening first valve 132 and second valve 137 to enable air flow through capsule 110, as described above with respect to Figures 1A-1D).
  • Method 300 may comprise preventing 330 sidestream smoke being released by the cigarette from escaping the predetermined volume (e.g., by closing first valve 132, second valve 137 and/or by providing sealing means within capsule 110, as described above with respect to Figures 1A-1D).
  • Method 300 may comprise preventing 340 the introduction of air into the predetermined volume to extinguish the cigarette (e.g., by closing first valve 132 and/or second valve 137 to prevent air flow through cavity 115, as described above with respect to Figures 1A-1D).
  • method 300 further comprises preventing lighting of the cigarette (e.g., by controller 160, as described above with respect to Figures 1A-1D) when the cigarette is not being fully enclosed (e.g., when openable portion 152 of housing 150 is open, as described above with respect to Figures 1A-1D).
  • method 300 further comprises preventing lighting of the cigarette (e.g., by controller 160, as described above with respect to Figures 1A-1D) when a temperature (e.g., determined by thermostat 162, as described above with respect to Figures 1A-1D) within the predetermined volume exceeds a predetermined threshold.
  • a temperature e.g., determined by thermostat 162, as described above with respect to Figures 1A-1D
  • method 300 further comprises preventing lighting of the cigarette (e.g. , by controller 160, as described above with respect to Figures 1A-1D) when a number of lightings within a predetermined time period exceeds a predetermined threshold.
  • method 300 further comprises determining a location of lighting of the cigarette (e.g., by controller 260, as described above with respect to Figure 2) based on a smoke concertation (e.g., determined by smoke detector 264, as described above with respect to Figure 2) within the predetermined volume. [0086] In some embodiments, method 300 further comprises preventing lighting of the cigarette when the cigarette is not fully enclosed by the predetermined volume (e.g., when openable portion 152 of housing 150 is opened, as described above with respect to Figures 1A-1D).
  • method 300 further comprises lighting the cigarette upon detection of air flow (e.g., by flow sensor 266 as described above with respect to Figure 2) through the predetermined volume.

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  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Abstract

A device and method for eliminating sidestream smoke released by a burning cigarette are provided. The device may comprise a capsule configured to receive and accommodate a cigarette, and an ignition assembly comprising a plurality of electrode assemblies positioned at predetermined longitudinal locations along the capsule. The device may enable and/or prevent an introduction of air/oxygen into the capsule to light and/or extinguish the cigarette, respectively, while preventing the sidestream smoke from escaping the capsule.

Description

DEVICE AND METHOD FOR SMOKING A CIGARETTE
BACKGROUND OF THE INVENTION
[0001] Sidestream smoke released from a burning cigarette may cause inconvenience and/or increase a risk of various diseases (e.g., passive smoking related diseases) among people surrounding the smoker, as well as increase a free burn rate of the cigarette.
SUMMARY OF THE INVENTION
[0002] One aspect of the present invention provides a device for eliminating sidestream smoke released from a cigarette, the device comprising : a capsule comprising a first capsule part and a second capsule part, the first capsule part and the second capsule part configured to form, upon connection, a cavity within the capsule, the cavity configured to accommodate the cigarette; an ignition assembly comprising a plurality of electrode assemblies, an electronic ignition circuity, at least one power source and at least one actuator, wherein each of the plurality of electrode assemblies is positioned within the cavity at a predetermined longitudinal location and configured to light the cigarette at the predetermined longitudinal location upon actuation by the at least one actuator; and a housing configured to accommodate the capsule and the ignition assembly.
[0003] In some embodiments, the device further comprises a first valve assembly removably attachable to a distal end of the capsule and a second valve assembly removably attachable to a proximal end of the capsule.
[0004] In some embodiments, the first valve assembly comprises a first valve, and the second valve assembly comprises a second valve, the first valve and the second valve configured to enable airflow through the cavity of the capsule when a pressure gradient between the distal end and the proximal end is above a predetermined threshold and to prevent the air flow when the pressure gradient is below the predetermined pressure.
[0005] In some embodiments, each of the plurality of electrode assemblies comprises a first electrode and a second electrode, wherein the first electrode is positioned at a substantially opposite portion of a transverse cross-section of the capsule with respect to the second electrode.
[0006] In some embodiments, the ignition assembly further comprises a plurality of actuators, wherein each of the plurality of actuators is coupled to one of the plurality of electrode assemblies and configured to actuate, upon activation, the respective electrode assembly. [0007] In some embodiments, the electronic ignition circuity is configured to magnify a voltage supplied by the at least one power source to enable generation of an ignition spark at each of the plurality of electrode assemblies in response to activation of the at least one actuator.
[0008] In some embodiments, the device further comprises a controller embedded within the housing, the controller being configured to control the actuation of each of the plurality of electrode assemblies, upon activation of the at least one actuator.
[0009] In some embodiments, the controller is further configured to determine an electrode assembly of the plurality of electrode assemblies that is being actuated upon activation of the at least one actuator and further to actuate, upon next activation of the at least one actuator, an adjacent electrode assembly that is positioned up a smoke stream.
[0010] In some embodiments, the device further comprises a smoke detector positioned within the cavity of the capsule and coupled to the controller, the smoke detector being configured to detect a smoke released by the cigarette.
[0011] In some embodiments, the controller is further configured to determine an electrode assembly of the plurality of electrode assemblies that is being actuated upon activation by the at least one actuator, to determine, based on readings of the smoke detector, that a smoke concertation within the capsule is below a predetermined threshold, and to actuate an adjacent electrode assembly that is positioned up a smoke stream.
[0012] In some embodiments, the device further comprises a thermostat coupled to the capsule and to the controller, the thermostat being configured to determine a temperature of the capsule and to prevent actuation of the electrode assemblies when the temperature of the capsule is beyond a predetermined threshold.
[0013] In some embodiments, the controller is further configured to determine a number of actuations of the electrode assemblies within a predetermined time range and to prevent actuation of the electrode assemblies when the number of actuations is beyond a predetermined threshold.
[0014] In some embodiments, the controller is configured to prevent actuation of the electrode assemblies when the housing is open.
[0015] In some embodiments, the controller is further configured to determine a period of time during which the at least one actuator is being activated and to prevent actuation of the electrode assemblies when the determined period of time is below a predetermined threshold. [0016] In some embodiments, the device further comprises a flow sensor positioned within the cavity of the capsule and coupled to the controller, the flow sensor being configured to determine air flow through the cavity.
[0017] In some embodiments, the controller is further configured to actuate at least one of the electrode assemblies of the plurality of electrode assemblies upon detection of the air flow within the cavity by the flow sensor and to stop actuation of the electrodes upon detection of ignition of the capsule content.
[0018] Another aspect of the present invention provides a method of eliminating sidestream smoke released by a cigarette, the method comprising: enclosing the cigarette within a predetermined volume; lighting the cigarette at a predetermined location within the predetermined volume while introducing air into the predetermined volume; preventing the sidestream smoke being released by the cigarette from escaping the predetermined volume; and preventing the introduction of air into the predetermined volume to extinguish the cigarette.
[0019] In some embodiments, the method further comprises preventing lighting of the cigarette when a temperature within the predetermined volume exceeds a predetermined threshold.
[0020] In some embodiments, the method further comprises determining a location of intended lighting of the cigarette based on a smoke concentration within the predetermined volume.
[0021] In some embodiments, the method further comprises igniting the cigarette upon detection of air flow through the predetermined volume.
BRIEF DESCRIPTION OF THE DRAWINGS
[0022] The subject matter regarded as the invention is particularly pointed out and distinctly claimed in the concluding portion of the specification. The invention, however, both as to organization and method of operation, together with objects, features, and advantages thereof, may best be understood by reference to the following detailed description when read with the accompanying drawings in which:
[0023] Figures 1A-1C are schematic illustrations of a device for eliminating sidestream smoke released from a cigarette, comprising a plurality of actuators, according to some embodiments of the invention;
[0024] Figures 1D-1G are schematic illustrations of various embodiments of ignition assembly for a device for elimination of sidestream smoke released from a cigarette, according to some embodiments of the invention; [0025] Figure 2 is a schematic block diagram of a device for eliminating sidestream smoke released from a cigarette, comprising a single activator, according to some embodiments of the invention; and
[0026] Figure 3 is a schematic block diagram of a method of eliminating sidestream smoke released by a cigarette, according to some embodiments of the invention
[0027] It will be appreciated that, for simplicity and clarity of illustration, elements shown in the figures have not necessarily been drawn to scale. For example, the dimensions of some of the elements may be exaggerated relative to other elements for clarity. Further, where considered appropriate, reference numerals may be repeated among the figures to indicate corresponding or analogous elements.
DETAILED DESCRIPTION OF THE PRESENT INVENTION
[0028] In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the invention. However, it will be understood by those skilled in the art that the present invention may be practiced without these specific details. In other instances, well- known methods, procedures, and components have not been described in detail so as not to obscure the present invention.
[0029] Generally, a device and method for eliminating sidestream smoke released by a burning cigarette are provided. The device may comprise a capsule configured to receive and accommodate a cigarette. The device may comprise an ignition assembly comprising a plurality of electrode assemblies positioned at predetermined longitudinal locations along the capsule. The device may enable and/or prevent an introduction of air/oxygen into the capsule to light and/or extinguish the cigarette, respectively, while preventing the sidestream smoke from escaping the capsule.
[0030] Figures 1A-1C are schematic illustrations of a device 100 for eliminating sidestream smoke released from a cigarette 90, comprising a plurality of actuators 126, according to some embodiments of the invention.
[0031] Illustration 100a in Figure 1A shows a perspective view of disassembled device 100. Illustrations 100b, 100c in Figure IB show a perspective cross-section view and a perspective view of assembled device 100, respectively. Illustration lOOd in Figure 1C shows a schematic block diagram of device 100.
[0032] Device 100 may comprise a capsule 110 adapted to accommodate a packed smoking material. The smoking material may comprise, for example, tobacco, cannabis, etc. The smoking material may be packed in the form of, for example, cigarette 90 (e.g., as shown in Figure 1A). In various embodiments, cigarette 90 has a cross-sectional shape selected from a group consisting of: a circle (e.g., as shown in Figure 1A), an oval, an ellipse, a rectangular, a triangle and/or a polygon.
[0033] Capsule 110 may have a distal end 111 and a proximal end 112. Capsule 110 may comprise a first capsule part 113 and a second capsule part 114. Second capsule part 114 may be removably attached to first capsule part 113 to form a cavity 115 within capsule 110. Cavity 115 may be adapted to accommodate cigarette 90. For example, cavity 115 may have a cross-section that corresponds to the cross-section of cigarette 90 (e.g., a circular cross-section as shown in Figure 1A). Second capsule part 114 may be separated from first capsule part 113 to enable insertion of cigarette 90 within cavity 115 of capsule 110.
[0034] In various embodiments, first capsule part 113 may comprise indents 113a and/or second capsule part 114 may comprise corresponding protrusions 114a (e.g., as shown on Figure 1A). Capsule 110 may comprise sealing means 116 (e.g., a silicon bands) than may surround protrusions 114a of second capsule part 114. Protrusions 114a, indents 113a and/or sealing means 116 may be configured to provide sealing of cavity 115 in order to, for example, prevent from smoke released by cigarette 90 from escaping capsule 110. Capsule 110 may be made of a thermal durable and insulating material (e.g., ceramics).
[0035] Device 100 may comprise an ignition assembly 120. Ignition assembly 120 may comprise a plurality of electrode assemblies 122, for example, a first electrode assembly 122a, a second electrode assembly 122b, a third electrode assembly 122c, a fourth electrode assembly 122d, a fifth electrode assembly 122e and/or a sixth electrode assembly 122f. Each of electrodes assemblies 122a, 122b, 122c, 122d, 122e and/or 122f may be positioned within cavity 115 of capsule 110 at a predetermined location and/or may be configured to light cigarette 90 at the predetermined location along capsule 110 by, for example, an ignition spark and/or ignition arc generated upon actuation. The ignition arc may be an electrical breakdown generated due to, for example, thermionic emission of electrons between electrodes of, for example, respective electrode assembly of the plurality of electrode assemblies 122. As may be apparent to one of ordinary skill in the art, while Figure 1C illustrates six electrode assemblies 122, it is not meant to be limiting in anyway and ignition assembly 120 of device 100 may comprise any number of electrode assembly 122.
[0036] Ignition assembly 120 may comprise a plurality of capacitors 124, for example, a first capacitor 124a, a second capacitor 124b, a third capacitor 124c, a fourth capacitor 124d, a fifth capacitor 124e and/or a sixth capacitor 124f (e.g., as shown in Figure 1A-1C).
[0037] Ignition assembly 120 may comprise a plurality of actuators 126, for example, a first actuator 126a, a second actuator 126b, a third actuator 126c, a fourth actuator 126d, a fifth actuator 126e and/or a sixth actuator 126f (e.g., as shown in Figure 1A-1C). Each of actuators 126 may be configured to actuate one of electrode assemblies 122, upon activation of that actuator. Each of actuators 126 may be a button positioned on outer face of a housing 150 (e.g., as shown in Figures 1A-1B), and/or the activation of each of the actuators 126 may comprise, for example, pressing the respective button.
[0038] In various embodiments, each of capacitors 122 is coupled to, for example, one of electrode assemblies 122 and/or to one of actuators 126. For example, first capacitor 124a, second capacitor 124b, third capacitor 124c, fourth capacitor 124d, fifth capacitor 124e and/or sixth capacitor 124f may be coupled to first electrode assembly 122a, second electrode assembly 122b, third electrode assembly 122c, fourth electrode assembly 122d, fifth electrode assembly 122e and/or sixth electrode assembly 122f, respectively, and/or to first actuator 126a, second actuator 126b, third actuator 126c, fourth actuator 126d, fifth actuator 126e and/or sixth actuator 126f, respectively (e.g., as shown in Figure 1C).
[0039] Ignition assembly 120 may comprise a power source 128 configured to supply a voltage to, for example, capacitors 124 and/or to electrode assemblies 122. In various embodiments, power source 128 is a battery and/or a rechargeable battery.
[0040] Ignition assembly 120 may comprise an electronic ignition circuity (not shown) that may couple each of elements of ignition assembly 120 (e.g., as schematically indicated by arrows in Figure 1C). The electronic ignition circuity may be configured to, for example, magnify the voltage supplied by power sources 128, to enable generation of an ignition spark and/or ignition arc at each of electrode assemblies 122 in response to activation of respective actuator (e.g., one of actuators 126, as described above).
[0041] Device 100 may comprise a first valve assembly 130 and/or a second valve assembly 135 removably attachable to distal end 111 and/or proximal end 112 of capsule 110, respectively. Device 100 may comprise a mouthpiece 140 that may be removably attachable to second valve assembly 135 at proximal end 112 of capsule 110.
[0042] First valve assembly 130 and second valve assembly 135 may comprise a first valve 132 and a second valve 137, respectively (e.g., as shown in Figure 1C). First valve 132 and second valve 137 may ensure that air from outside is allowed to enter and flow through cavity 115 of capsule 110 only when a pressure gradient (e.g., generated due a suction imposed by a smoker via mouthpiece 140) between distal end 111 and proximal end 112 is above a predetermined threshold. The air flow may enable introduction of oxygen (e.g., oxygen that in air) into cavity 115, thereby allowing lighting of cigarette 90 (e.g., by electrode assemblies 122). First valve 132 and second valve 137 may prevent the air flow when the pressure gradient is below the predetermined threshold to, for example, eliminate introduction of oxygen into cavity 115 of capsule 110 in order to extinguish cigarette 90. [0043] In some embodiments, the predetermined pressure gradient threshold is set such that, when a user of device 100 (e.g., a smoker) lightly inhales through mouthpiece 140, first vale 132 and second valve 137 are opened, thereby allowing air and/or oxygen to flow through cavity 115, and, when the user stops inhaling, the valves are closed tightly enough to prevent further flow into the capsule. Capsule 110 may comprise sealing means (e.g., sealing means 116 as described above with respect to Figure 1A) positioned, for example, between first capsule part 113 and second capsule part 114, to prevent sidestream smoke released by cigarette 90 from escaping cavity 115 of capsule 110 when, for example, first valve 132 and second valve 137 are closed.
[0044] In various embodiments, first valve 132 and/or second valve 137 are selected from a group consisting of: a one-way valve, a diaphragm valve and/or a ball valve. In various embodiments, each of first valve assembly 130 and/or second valve assembly 135 has a flavored filter. In some embodiments, second valve assembly 135 comprises a nicotine reduction filter.
[0045] In various embodiments, dimensions and/or shape of cigarette 90 are predetermined based on dimensions and shape of cavity 115. For example, cigarette 90 may be adapted to occupy substantially a whole interior of cavity 115 so as to, for example, force air to flow through a smoking material packed within cigarette 90, thereby causing burning of the smoking material rather than, for example, cigarette' s 90 paper.
[0046] In some embodiment, mouth piece 140 has a tapered shape in a longitudinal direction along the mouthpiece such that dimensions of a proximal end 141 are greater than dimensions of a distal end 142 (e.g., as shown in Figures 1A-1C). Dimensions of distal end 142 may be adapted to, for example, allow a comfortable insertion of mouth piece 140 into a mouth of a smoker (not shown).
[0047] Device 100 may comprise a housing 150. Housing 150 may comprise a plurality of indents, openings and/or cutouts that may be configured to accommodate at least capsule 110 and/or ignition assembly 120 (e.g., as shown in Figures 1A-1B). Housing 150 may comprise an openable portion 152 to enable an access into an interior of housing 150 and/or into cavity 115 of capsule 110. For example, second capsule part 114 of capsule 110 may be affixed to openable portion 152 (e.g., within a cutout 152a) to enable easy opening of second capsule part 114 and/or an access into cavity 115 of capsule 110.
[0048] Device 100 may comprise a controller 160. Controller 160 may be embedded within housing 150 and/or may be coupled to each of elements of ignition assembly 120, for example to electrode assemblies 122, capacitors 124, actuators 126 and/or to power source 128 (e.g., as shown in Figure 1C). Controller 160 may be configured to control lighting of cigarette 90 by controlling elements of ignition assembly 120. [0049] In some embodiments, device 100 comprises a thermostat 162 coupled to capsule 110 and to controller 160. Thermostat 162 may determine a temperature of capsule 110 and/or may prevent actuation of, for example, electrode assemblies 122 (e.g., by electrically decoupling electrode assemblies 122 from capacitors 124, actuators 126 and/or power source 128) when the determined temperature is above a predetermined threshold (e.g., 220°-240° Celsius), thereby, preventing, for example, overheating of capsule 110 and/or of device 100.
[0050] In some embodiments, controller 160 is configured to determine a number of actuations of electrode assemblies 122 within a predetermined time range. Controller 160 may prevent further actuation of electrode assemblies 122 (e.g., by electrically decoupling electrode assemblies 122 from capacitors 124, actuators 126 and/or power source 128) when the number of actuations within the predetermined time range exceeds a predetermined threshold, thereby, preventing, for example, overheating of capsule 110 and/or of device 100.
[0051] In various embodiments, controller 160 determines a period of time during which actuators 126 are being activated and/or prevents actuation of electrode assemblies 120 when the determined period of time is below a predetermined threshold so as to, for example, prevent an incidental and/or unwanted lighting of cigarette 90. For example, controller 160 may determine a time period during which actuator 126a is, for example, being pressed by a smoker, and/or may prevent actuation of electrode assembly 122a (e.g., that may be coupled to actuator 126a, as shown in Figure 1C) by, for example, electrically decoupling electrode assembly 122a from capacitor 124a, actuator 126a and/or power source 128.
[0052] In some embodiments, controller 160 prevents actuation of electrode assemblies 120 (e.g., by electrically decoupling electrode assemblies 122 from capacitors 124, actuators 126 and/or power source 128) when, for example, openable portion 152 of housing 150 is opened.
[0053] Device 100 may comprise a cleaning brush (not shown) to clean an interior of capsule 110. The cleaning brush may be adapted to be inserted within cavity 115 of capsule 110 when cleaning is required. The cleaning brush may be stowed in a dent inside housing 150 (not shown) when not in use. In some embodiments, the cleaning brush comprises an electrical motor that may be coupled to power source 128 of ignition assembly 120 upon insertion of the cleaning brush within cavity 115 of capsule 110. The electrical motor of the cleaning brush may be activated upon closure of openable portion 152 of housing 150 and/or may be deactivated upon opening of openable portion 152.
[0054] Reference is now made to Figures 1D-1G, which schematically illustrate various embodiments of ignition assembly 120 for a device 100 for elimination of sidestream smoke released from a cigarette, according to some embodiments of the invention. Illustrations lOOe, lOOf and lOOg in Figure ID, Figure IE and Figure IF, respectively, show a transverse cross-section of device 100. Illustration lOOh in Figure 1G shows a schematic block diagram of device 100.
[0055] Ignition assembly 120 of device 100 may comprise a plurality of electrode assemblies 122 (e.g., as described above with respect to Figures 1A-1C). In various embodiments, each of electrode assemblies 122 comprises one or more electrodes, for example, a first electrode 122-1 and/or a second electrode 122-2 (e.g., as shown in Figures ID-IE). First electrode 122-1 may be positioned at a substantially opposite portion of a transverse cross-section of capsule 110 with respect to second electrode 122-2. Each of first electrode 122-1 and/or second electrode 122-2 may be coupled to capacitor 124 (e.g., as shown in Figures ID-IE), actuator 126 and/or power source 128 (e.g., as describe above with respect to Figures 1A-1C).
[0056] Positioning of first electrode 122-1 substantially opposite with respect to second electrode 122-2 (e.g., as shown in Figure ID) may, for example, enable a passage of an ignition spark and/or ignition arc (e.g., generated between first electrode 122-1 and second electrode 122-2) through a center of cigarette' s 90 cross-section, thereby ensuring an effective lighting of the cigarette. In various embodiments, first electrode 122-1 and/or second electrode 122-2 penetrates into cigarette 90 (e.g., as shown in Figure IE), thereby directly lighting a smoking material packed within cigarette 90.
[0057] First electrode 122-1 and second electrode 122-2 may be affixed to a same capsule part (e.g., first capsule part 113 as shown in Figure ID) and/or may be affixed to different capsule parts. For example, first electrode 122-1 may be affixed to first capsule part 113 and/or second electrode 122-2 may affixed to second capsule part 114 (e.g., as shown in Figure IE) to, for example, enable penetration of the electrodes into cigarette 90 upon closure of second capsule part 114 onto first capsule part 113.
[0058] In some embodiments, ignition assembly 120 of device 100 comprises a plurality of filaments 127 and corresponding plurality of heat sources 127a, for example as shown in Figure IF. Each of filaments 127 may be coupled to one of heat sources 127a. Filaments 127 may be adapted to surround at least a portion of cigarette 90 circumference (e.g., as shown in Figure IF). Filament 127 may be heated, for example, by corresponding heat source 127a, to a predetermined temperature, to light cigarette 90.
[0059] In some embodiments, ignition assembly 120 of device 100 comprises a movable actuator 129 (e.g., as shown in Figure 1G). Movable actuator 129 may be configured to be moved in, for example, a longitudinal direction along device 100 between predetermined longitudinal locations, for example, a first predetermined longitudinal location 129a, a second predetermined longitudinal location 129b, a third predetermined longitudinal location 129c, a fourth predetermined longitudinal location 129d, a fifth predetermined longitudinal location 129e and/or a sixth predetermined longitudinal location 129f. Positioning of movable member 129 in a predetermined longitudinal location may actuate a predetermined electrode assembly of the plurality of electrode assemblies 122. For example, positioning of movable member 129 in second predetermined longitudinal location 129b (e.g., as shown in Figure 1G) may actuate second electrode assembly 122b.
[0060] Reference is now made to Figure 2, which schematically illustrates a block diagram of a device 200 for eliminating a sidestream smoke released from a cigarette 90, comprising a single actuator 226, according to some embodiments of the invention.
[0061] Device 200 may comprise a capsule 210 that may accommodate a smoking material (e.g., a tobacco, a cannabis, etc.) that may be packed into, for example, cigarette 90. In some embodiments, capsule 210 is identical to capsule 110 as described above with respect to Figures 1A-1D.
[0062] Device 200 may comprise an ignition assembly 220. Ignition assembly 220 may comprise a plurality of electrode assemblies 222, for example, a first electrode assembly 222a, a second electrode assembly 222b, a third electrode assembly 222c, a fourth electrode assembly 222d, a fifth electrode assembly 222e and/or a sixth electrode assembly 222f. Each of electrodes assemblies 222 may be positioned within capsule 210 at a predetermined location and/or may be configured to light cigarette 90 at the predetermined location along capsule 210 (e.g., by an ignition spark and/or ignition arc generated upon actuation).
[0063] In various embodiments, each of electrode assemblies 222 is identical to at least one of electrode assemblies 122 as described above with respect to Figures 1A-1D. In some embodiments, each of electrode assemblies 222 comprises two electrodes positioned at substantially opposite portions of a transverse cross-section of capsule 210 (e.g., as first electrode 122-1 and second electrode 122-2 as described above with respect to Figure ID).
[0064] Ignition assembly 220 may comprise a plurality of capacitors 224, for example, a first capacitor 224a, a second capacitor 224b, a third capacitor 224c, a fourth capacitor 224d, a fifth capacitor 224e and/or a sixth capacitor 224f. In various embodiments, each of capacitors 224 is identical to at least one of capacitors 124, as shown in Figure 1A-1D.
[0065] Ignition assembly 220 may comprise an actuator 226. Actuator 226 may be configured to actuate one of electrode assemblies 222, upon activation of the actuator. Actuator 226 may be a button positioned on outer face of a housing (e.g., housing 250 as described below) and/or the activation of actuator 226 may comprise, for example, pressing the button.
[0066] Ignition assembly 220 may comprise a power source 228 configured to supply a voltage to, for example, capacitors 224 and/or to electrode assemblies 222. In some embodiments, power source 228 is identical to power source 128 as described above with respect to Figures 1A-1C. [0067] Ignition assembly 220 may comprise an electronic ignition circuity (not shown) that may couple each of elements of ignition assembly 220 and/or may be configured to enable generation of an ignition spark and/or ignition arc at each of electrode assemblies 222 in response to activation of actuator 226. In some embodiments, the electronic ignition circuity of ignition assembly 220 is identical to the electronic ignition circuity of ignition assembly 120 of device 100, as described above with respect to Figures 1A-1D.
[0068] Device 200 may comprise a first valve assembly 230 and/or a second valve assembly 235 that is removably attachable to a distal end 211 and/or a proximal end 212 of capsule 210, respectively. First valve assembly 230 and second valve assembly 235 may comprise valves (e.g., a first valve 232 and a second valve 237) that ensure that air from outside will be allowed to enter and flow through the capsule 210 only when a user imposes suction on a mouthpiece 240, and will prevent flow of air into or out of the capsule 210 at all other times. In various embodiments, first valve assembly 230, second valve assembly 235 and/or mouthpiece 240 are identical to first valve assembly 130, second valve assembly 135 and/or mouthpiece 140, respectively, as described above with respect to Figures 1A 1D.
[0069] Device 200 may comprise a housing 250 that may accommodate capsule 210 and/or ignition assembly 220. In some embodiments, housing 250 is identical to housing 150 as described above with respect to Figures 1A-1C.
[0070] Device 200 may comprise a controller 260 that may be embedded within housing 250. Controller 260 may be coupled to each of elements of ignition assembly 220, for example, to electrode assemblies 222, capacitors 224, actuator 226 and/or to power source 228 (e.g., as shown in Figure 2). Controller 260 may be configured to control lighting of cigarette 90 by controlling elements of ignition assembly 220. In some embodiments, controller 260 is identical to controller 160 as described above with respect to Figures 1A-1C. In various embodiments, device 200 comprises a thermostat 262 coupled to capsule 210 and to controller 260, where thermostat 262 may be identical to thermostat 172 as described above with respect to Figures 1A-1C.
[0071] Controller 260 may be configured to control an order of actuation of electrode assemblies 222, upon activation of actuator 226. In various embodiments, controller 260 actuates a predetermined electrode assembly, upon activation of actuator 226, and further actuates, upon next activation of actuator 226, an adjacent electrode assembly that is positioned up a smoke (e.g., smoke released by cigarette 90) stream (e.g., closer to proximal end 212 of capsule 210 as compared to the predetermined electrode assembly). For example, controller 260 may actuate first electrode assembly 222a upon first activation of actuator 226. Controller 260 may further actuate, upon second activation of actuator 226, second electrode assembly 222b that is adjacent to first electrode assembly 220a and positioned up a smoke stream (e.g., closer to proximal end 212 of capsule 210 as compared to first electrode assembly 220a).
[0072] In some embodiments, device 200 comprises a smoke detector 264 positioned within cavity 215 of capsule 210 and coupled to controller 260 to detect smoke released by cigarette 90 (e.g., as shown in Figure 2). Controller 260 may be configured to control an order of actuation of electrode assemblies 222 based on, for example, a smoke concentration within capsule 210.
[0073] In various embodiments, controller 260 actuates a predetermined electrode assembly upon activation of actuator 226, determines, based on readings of smoke detector 264, that a smoke concentration within capsule 210 is below a predetermined threshold, and/or actuates an adjacent electrode assembly that is positioned up a smoke stream (e.g., closer to proximal end 212 of capsule 210 compared to the predetermined electrode assembly).
[0074] For example, controller 260 may actuate first electrode assembly 220a upon activation of actuator 262. Controller 260 may further determine, based on readings of smoke detector 264, that a smoke concentration within capsule 210 is below a predetermined threshold and/or may further actuate second electrode assembly 220b that is adjacent to first electrode assembly 220a and positioned up a smoke stream (e.g., closer to proximal end 212 of capsule 210 as compared to first electrode assembly 220a), and so forth, until cigarette 90 is extinguished.
[0075] In some embodiments, device 200 comprises a flow sensor 266 positioned within cavity 215 of capsule 210 and coupled to controller 260. Flow sensor 266 may be configured to determine air flow through cavity 215 (e.g., due to inhalation of air by user via mouthpiece 240). Flow sensor 266 may be configured to act as an actuator (e.g., actuator 226 as described above). For example, controller 260 may be further configured to actuate one of electrode assemblies 222 (e.g., based on readings of smoke detector 264, as described above) upon detection of air flow within cavity 215 by flow sensor 266, thereby eliminating a need in actuator button 226. In various embodiments, flow sensor 266 comprises a pressure sensor (not shown) configured to determine a decrease of pressure within cavity 215, and/or pivoted leaf (not shown) configured to rotate due to air flow through cavity 215.
[0076] The disclosed devices (e.g., device 100 and/or device 200) may prevent sidestream smoke released by a cigarette from escaping the device, thereby eliminating or reducing a smoke smell and reducing inconvenience and/or reducing a risk of various diseases (e.g., passive smoking related diseases) among people surrounding a smoker. The disclosed devices may also eliminate a need in an ashtray. An ash from a cigarette may be accumulated and stored in, for example, a cavity of a capsule accommodating a cigarette (e.g., cavity 115 of capsule 110), thereby eliminating a smoke smell that may be released from the ashtray and/or reducing a pollution of a surrounding. [0077] Reference is now made to Figure 3, which is a schematic block diagram of a method 300 of eliminating sidestream smoke released by a cigarette, according to some embodiments of the invention.
[0078] Method 300 may comprise enclosing 310 the cigarette (e.g., cigarette 90) within a predetermined volume (e.g., within capsule 110, as described above with respect to Figures 1A-1D).
[0079] Method 300 may comprise lighting 320 the cigarette at a predetermined location within the predetermined volume (e.g., by electrode assemblies 120, as described above with respect to Figures 1A-1D) while introducing air into the predetermined volume (e.g., by opening first valve 132 and second valve 137 to enable air flow through capsule 110, as described above with respect to Figures 1A-1D).
[0080] Method 300 may comprise preventing 330 sidestream smoke being released by the cigarette from escaping the predetermined volume (e.g., by closing first valve 132, second valve 137 and/or by providing sealing means within capsule 110, as described above with respect to Figures 1A-1D).
[0081] Method 300 may comprise preventing 340 the introduction of air into the predetermined volume to extinguish the cigarette (e.g., by closing first valve 132 and/or second valve 137 to prevent air flow through cavity 115, as described above with respect to Figures 1A-1D).
[0082] In some embodiments, method 300 further comprises preventing lighting of the cigarette (e.g., by controller 160, as described above with respect to Figures 1A-1D) when the cigarette is not being fully enclosed (e.g., when openable portion 152 of housing 150 is open, as described above with respect to Figures 1A-1D).
[0083] In some embodiments, method 300 further comprises preventing lighting of the cigarette (e.g., by controller 160, as described above with respect to Figures 1A-1D) when a temperature (e.g., determined by thermostat 162, as described above with respect to Figures 1A-1D) within the predetermined volume exceeds a predetermined threshold.
[0084] In some embodiments, method 300 further comprises preventing lighting of the cigarette (e.g. , by controller 160, as described above with respect to Figures 1A-1D) when a number of lightings within a predetermined time period exceeds a predetermined threshold.
[0085] In some embodiments, method 300 further comprises determining a location of lighting of the cigarette (e.g., by controller 260, as described above with respect to Figure 2) based on a smoke concertation (e.g., determined by smoke detector 264, as described above with respect to Figure 2) within the predetermined volume. [0086] In some embodiments, method 300 further comprises preventing lighting of the cigarette when the cigarette is not fully enclosed by the predetermined volume (e.g., when openable portion 152 of housing 150 is opened, as described above with respect to Figures 1A-1D).
[0087] In some embodiments, method 300 further comprises lighting the cigarette upon detection of air flow (e.g., by flow sensor 266 as described above with respect to Figure 2) through the predetermined volume.
[0088] While certain features of the invention have been illustrated and described herein, many modifications, substitutions, changes, and equivalents will now occur to those of ordinary skill in the art. It is, therefore, to be understood that the appended claims are intended to cover all such modifications and changes as fall within the true spirit of the invention.

Claims

1. A device for eliminating sidestream smoke released from a cigarette, the device comprising:
a capsule comprising a first capsule part and a second capsule part, the first capsule part and the second capsule part being configured to form, upon connection, a cavity within the capsule, the cavity being configured to accommodate the cigarette;
an ignition assembly comprising a plurality of electrode assemblies, an electronic ignition circuity, at least one power source and at least one actuator, wherein each of the plurality of electrode assemblies is positioned within the cavity at a predetermined longitudinal location and is configured to light the cigarette at the predetermined longitudinal location upon actuation by the at least one actuator; and
a housing configured to accommodate the capsule and the ignition assembly.
2. The device of claim 1, further comprising a first valve assembly removably attachable to a distal end of the capsule and a second valve assembly removably attachable to a proximal end of the capsule.
3. The device of claim 2, wherein the first valve assembly comprises a first valve and the second valve assembly comprises a second valve, the first valve and the second valve being configured to enable air flow through the cavity of the capsule when a pressure gradient between the distal end and the proximal end is above a predetermined threshold and being configured to prevent the air flow when the pressure gradient is below the predetermined pressure.
4. The device of claim 1 , wherein each of the plurality of electrode assemblies comprises a first electrode and a second electrode, wherein the first electrode is positioned at a substantially opposite portion of a transverse cross-section of the capsule with respect to the second electrode.
5. The device of claim 1, wherein the ignition assembly further comprises a plurality of actuators, wherein each of the plurality of actuators is coupled to one of the plurality of electrode assemblies and is configured to actuate, upon activation, the respective electrode assembly.
6. The device of claim 1 , wherein the electronic ignition circuity is configured to magnify a voltage supplied by the at least one power source to enable generation of an ignition spark at each of the plurality of electrode assemblies in response to activation of the at least one actuator.
7. The device of claim 1, further comprising a controller embedded within the housing, wherein the controller is configured to control the actuation of each of the plurality of electrode assemblies, upon activation of the at least one actuator.
8. The device of claim 7, wherein the controller is further configured to determine an electrode assembly of the plurality of electrode assemblies that is being actuated upon activation of the at least one actuator and to actuate, upon next activation of the at least one actuator, an adjacent electrode assembly that is positioned up a smoke stream.
9. The device of claim 7, further comprising a smoke detector positioned within the cavity of the capsule and coupled to the controller, wherein the smoke detector is configured to detect a smoke released by the cigarette.
10. The device of claim 9, wherein the controller is further configured to determine an electrode assembly of the plurality of electrode assemblies that is being actuated upon activation by the at least one actuator, to determine, based on readings of the smoke detector, that a smoke concertation within the capsule is below a predetermined threshold, and to actuate an adjacent electrode assembly that is positioned up a smoke stream.
11. The device of claim 7, further comprising a thermostat coupled to the capsule and to the controller, wherein the thermostat is configured to determine a temperature of the capsule and to prevent actuation of the electrode assemblies when the temperature of the capsule is beyond a predetermined threshold.
12. The device of claim 7, wherein the controller is further configured to determine a number of actuations of the electrode assemblies within a predetermined time range and to prevent actuation of the electrode assemblies when the number of actuations is beyond a predetermined threshold.
13. The device of claim 7, wherein the controller is configured to prevent actuation of the electrode assemblies when the housing is open.
14. The device of claim 7, wherein the controller is further configured to determine a period of time during which the at least one actuator is being activated and to prevent actuation of the electrode assemblies when the determined period of time is below a predetermined threshold.
15. The device of claim 7, further comprising a flow sensor positioned within the cavity of the capsule and coupled to the controller, wherein the flow sensor is configured to determine air flow through the cavity.
16. The device of claim 15, wherein the controller is further configured to actuate at least one of the electrode assemblies of the plurality of electrode assemblies upon detection of the air flow within the cavity by the flow sensor.
17. A method of eliminating a sidestream smoke released by a cigarette, the method comprising:
enclosing the cigarette within a predetermined volume;
lighting the cigarette at a predetermined location within the predetermined volume while introducing air into the predetermined volume;
preventing the sidestream smoke being released by the cigarette from escaping the predetermined volume; and
preventing the introduction of air into the predetermined volume to extinguish the cigarette.
18. The method of claim 15, further comprising preventing lighting of the cigarette when a temperature within the predetermined volume exceeds a predetermined threshold.
19. The method of claim 15, further comprising determining a location of lighting of the cigarette based on a smoke concertation within the predetermined volume.
20. The method of claim 19, further comprising lightening the cigarette upon detection of air flow through the predetermined volume.
PCT/IL2018/050352 2017-03-30 2018-03-27 Device and method for smoking a cigarette WO2018178978A1 (en)

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US62/478,654 2017-03-30

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