US008l56944B2
`
`(12) Ulllted States Patent
`Han
`
`(10) Patent No.:
`(45) Date of Patent:
`
`US 8,156,944 B2
`Apr. 17, 2012
`
`(54) AEROSOL ELECTRONIC CIGARETTE
`_
`L1 Han, Hong Kong (CN)
`Inventor:
`(75)
`(73) Assignee: Ruyan Investments (Holdings)
`<HK>
`Subject to any disclaimer, the term ofthis
`patent is extended or adjusted under 35
`U.S.C. 154(1)) by 395 days.
`
`( * ) Notice:
`
`4,848,374 A
`4,945,929 A
`(1) 2
`,
`,
`5,060,671 A
`2:332:52
`11:
`5:249:586 A
`
`7/1989 Chard
`8/1990 Egilmex
`gori aka
`fines
`10/ 1991 C011I1tS GU11.
`$1333 523:?“
`ggdvlyfigd et a1’
`10/1993 Morgan et a1.
`(Continued)
`
`(21) APP1~ N01
`
`12/226313
`
`(22) PCT Filed:
`
`May 15, 2007
`
`(86) PCT No.:
`
`PCT/CN2007/001575
`
`§ 371 (c)(1),
`(2), (4) Date: Oct. 29, 2008
`
`(87) PCT Pub. No.: WO2007/131449
`
`PCT Pub. Date: Nov. 22, 2007
`
`(65)
`
`(30)
`
`Prior P11b1i¢ati011 Data
`
`US 2009/0095311 A1
`
`Apr. 16, 2009
`
`Foreign Application Priority Data
`
`May 16, 2006
`(51)
`Int CL
`A24F 47/00
`A24F 1/32
`A61M 15/06
`
`(CN) .................... .. 2006 2 0090805 U
`
`(2006.01)
`(2006.01)
`(2006.01)
`
`131/273; 131/360; 131/194; 128/202-21
`(52) U-S- CL
`(58) Field of Classification Search ................ .. 131/194,
`131/27(L273, 360; 128/200.14, 202.21
`See application file for complete search history.
`
`(56)
`
`References Cited
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`State Intellectual Property Office (China),
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`State Intellectual Property Office (China),
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`
`(Continued)
`
`Primary Examiner — Richard Crispino
`Assistant Examiner 7 Dionne Walls Mayes
`(74) Attorney, Agent, or Firm — Perkins Coie LLP
`
`ABSTRACT
`(57)
`An aerosol electronic cigarette includes a battery assembly,
`an atomizer assembly and a cigarette bottle assembly and also
`includes a shell (a) which is hollow and integrally formed.
`Said battery assembly connects with said atomizer assembly
`and both are located in said shell (a). Said cigarette bottle
`assembly is located in one end of the shell (a), which is
`detachable. Said cigarette bottle assembly fits with said atom-
`izer assembly. Said shell (a) has through-air-inlets (a1).
`
`41 Claims, 8 Drawing Sheets
`
`
`
`R.J. Reynolds Vapor
`IPR2016-01532
`
`R.J. Reynolds Vapor V. Fontem
`Exhibit 1015-00001
`
`

`
`US 8,156,944 B2
`Page 2
`
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`
`Letter
`
`for
`
`* cited by examiner
`
`Exhibit 1015-00002
`
`

`
`U.S. Patent
`
`Apr. 17, 2012
`
`Sheet 1 of8
`
`US 8,156,944 B2
`
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`Figure 2
`
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`Figure 3
`
`Figure 4
`
`Exhibit 1015-00003
`
`

`
`U.S. Patent
`
`Apr. 17, 2012
`
`Sheet 2 of8
`
`US 8,156,944 B2
`
`Figure 7
`
`Exhibit 1015-00004
`
`

`
`U.S. Patent
`
`Apr. 17, 2012
`
`Sheet 3 of8
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`Us 8,156,944 B2
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`Exhibit 1015-00005
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`
`U.S. Patent
`
`Apr. 17, 2012
`
`Sheet 4 of8
`
`US 8,156,944 B2
`
`Figure 14
`
`Figure 15
`
`
`
`Figure 16
`
`Exhibit 1015-00006
`
`

`
`U.S. Patent
`
`Apr. 17, 2012
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`Sheet 5 of8
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`Us 8,156,944 B2
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`Figure 17
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`U.S. Patent
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`Apr. 17, 2012
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`Exhibit 1015-00008
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`U.S. Patent
`
`Apr. 17, 2012
`
`Sheet 7 of8
`
`Us 8,156,944 B2
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`Figure21
`
`Exhibit 1015-00009
`
`

`
`U.S. Patent
`
`Apr. 17, 2012
`
`Sheet 8 of8
`
`Us 8,156,944 B2
`
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`Figure 22
`
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`Figure 23
`
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`
`Exhibit 1015-00010
`
`

`
`US 8,156,944 B2
`
`1
`AEROSOL ELECTRONIC CIGARETTE
`
`TECHNICAL FIELD
`
`The present invention relates to an electronic cigarette, in
`particular, an aerosol electronic cigarette that doesn’t contain
`tar but nicotine.
`
`BACKGROUND ART
`
`Today when “smoking is harmful to your healt ” has
`become a common sense, there are one billion people smok-
`ing cigarettes, and this figure is still rising. On Mar. 1, 2003,
`the World Health Organization (WHO) issued the first inter-
`national smoking ban—Framework Convention on Tobacco
`Control. According to WHO’s data, smoking causes 4,900,
`000 deaths each year. Smoking causes serious respiratory
`system diseases and cancers, though it is a hard job to per-
`suade the smokers to completely quit smoking.
`Nicotine is the effective ingredient of cigarette, which pro-
`duces a lot of tar mist as the cigarette bums. The tar mist
`accesses the pulmonary alveolus and is quickly absorbed into
`the blood. Nicotine thus acts on the receptor of the central
`nervous system, bringing the euphoria like stimulant drugs to
`the smokers, who feel light in the head and on wings as well.
`Nicotine is a micromolecular alkaloid, which is basically
`harmless to human bodies with a small dosage. Plus, its half
`life period is extremely short in blood. Tar is the major harm-
`ful substance in tobacco. Tobacco tar comprises of several
`thousands of ingredients, dozens of which are carcinogenic
`sub stances. It has now been proved that second hand smoking
`is even more harmful to those who don’t smoke.
`
`To seek the cigarette substitutes that don’t contain harmful
`tar but nicotine, many inventors have used the relatively pure
`nicotine to create such products as “Cigarette Patch”, “Nico-
`tine Gargle”, “Aerosol Packed in the High Pressure Tank with
`Propellant”, “Nicotine Chewing Gum”, and “Nicotine Bev-
`erage”. These products are not as harmful as tar, but are
`absorbed very slowly. As a result, its peak concentration can’t
`be effectively established in blood, and the smokers can’t be
`satisfied to the full. In addition, the smokers are deprived of
`the “smoking” habit. Therefore, the substituting products are
`not real cigarette substitutes or products helping to quit smok-
`ing.
`The electronic cigarettes currently available on the market
`may resolve the above-mentioned issue, though they are com-
`plicated in structure. Their cigarette bodies can be roughly
`divided into three sections, which have to be connected
`through via plugging or thread coupling before use. Also,
`their batteries have to be changed frequently, making it incon-
`venient for the users. What’s worse, the electronic cigarettes
`don’t provide the ideal aerosol effects, and their atomizing
`efliciency is not high.
`
`CONTENTS OF INVENTION
`
`this
`To overcome the above-mentioned disadvantages,
`invention has been designed to provide an aerosol electronic
`cigarette that substitutes for cigarettes and helps the smokers
`to quit smoking.
`The purpose ofthis invention is fulfilled with the following
`technical solution: an aerosol electronic cigarette includes a
`battery assembly, an atomizer assembly and a cigarette bottle
`assembly, and also includes a shell, which is hollow and
`integrally formed. The said battery assembly connects with
`the said atomizer assembly and both are located in the said
`shell. The said cigarette bottle assembly is located in one end
`
`10
`
`15
`
`20
`
`25
`
`30
`
`35
`
`40
`
`45
`
`50
`
`55
`
`60
`
`65
`
`2
`
`of the shell, which is detachable. The said cigarette bottle
`assembly fits with the said atomizer assembly. The said shell
`has through-air-inlets.
`The additional features of this invention are as follows: the
`
`said battery assembly includes the battery, and the operating
`indicator, electronic circuit board, and airflow sensor, which
`are connected with the said battery; the signal output of the
`said airflow sensor is connected with the said electronic cir-
`cuit board.
`
`It also includes a cl1eck valve. The said battery is a
`rechargeable battery, which has a flexibly connected charging
`plug. The blades of the said plug come out of the other end of
`the said shell.
`
`Between the said charging plug and rechargeable battery is
`a spring, which lies against the body of the said rechargeable
`battery on one end, and its free end lies against the said
`charging plug.
`The said battery is a rechargeable battery, which has a
`charging slot on it. The said operating indicator is a LED.
`The said airflow sensor may be alternatively a semiconduc-
`tor force-sensitive chip capacitance sensor or an inductance
`sensor.
`The said electronic circuit board includes an electronic
`switch circuit.
`
`The said airflow sensor has a silica gel corrugated mem-
`brane, which connects with magnetic steel with a reed relay
`on one of its ends. Both ends ofthe said reed relay correspond
`to the relay electrodes.
`The said airflow sensor has a silica gel corrugated mem-
`brane, which connects with magnetic steel with a Hall ele-
`ment or a magneto-diode or a magneto-triode on one of its
`ends.
`
`The said atomizer assembly is an atomizer, which includes
`a porous component and a heating body.
`The said atomizer also includes an electric heating rod. The
`body of the said porous component has a run-through atom-
`izing chamber. The diameter ofthe said electric heating rod is
`less than the diameter ofthe said atomizing chamber. The said
`electric heating rod enters into the said atomizing chamber,
`and there is a clearance between the said electric heating rod
`and interior wall of the atomizing chamber. The said clear-
`ance forms a negative pressure cavity. One end of the said
`porous component fits with the said cigarette bottle assembly.
`The said electric heating rod includes a cylinder. The said
`heating body is heating wire, which is wound on the wall of
`the said cylinder. The said porous component has a protuber-
`ance on one end, and the said protuberance fits with the said
`cigarette bottle assembly. The said protuberance is a half
`sphere, on the side of which there is a run-through hole
`connecting to the said atomizing chamber.
`The said electric heating rod includes a cylinder. The said
`heating body is made of electrically conductive ceramic PTC
`material. The said heating body is set on the wall of the said
`cylinder. On the wall of both ends of the said cylinder, there
`are mandrils respectively. The said porous component has a
`protuberance on one end, and the said protuberance fits with
`the said cigarette bottle assembly. The said protuberance is a
`half sphere, on the side of which there is a run-through hole
`connecting to the said atomizing chamber.
`The said heating body is heating wire. The said atomizer
`assembly includes a frame. The said porous component is set
`on the said frame. The said porous component is wound with
`heating wire. The said frame has a run-through hole on it. The
`said porous component is wound with heating wire in the part
`that is on the side in the axial direction ofthe said run-through
`hole. One end of the said porous component fits with the said
`cigarette bottle assembly.
`
`Exhibit 1015-00011
`
`

`
`US 8,156,944 B2
`
`3
`The said porous component is made of foamed nickel,
`stainless steel fiber felt, macromolecular polymer foam or
`foamed ceramics.
`
`The said heating wire is made of platinum wire, nickel-
`chromium alloy wire or iron-chromium alloy wire containing
`rare earth, or is flaked.
`A restriction component, which is detachable, is set on one
`end of the said porous component. There is a restriction hole
`on the body of the said restriction component. The said
`restriction hole corresponds to the said atomizing chamber.
`The pore diameter of the said restriction hole is less than the
`inner diameter of the atomizing chamber.
`The said cigarette bottle assembly includes a hollow ciga-
`rette holder shell, and a perforated component for liquid
`storage inside the said cigarette holder shell. One end of the
`said cigarette holder shell plugs into the said shell, and the
`outer peripheral surface of the said cigarette holder shell has
`an inward ventilating groove. On one end surface of the said
`cigarette holder shell,
`there is an air charmel extending
`inward.
`The said air channel is located in the center on one end
`
`surface of the said cigarette holder shell.
`One end of the said porous component lies against one end
`surface of the said perforated component for liquid storage,
`and contacts the saidperforated component for liquid storage.
`The said perforated component for liquid storage is made
`of such materials as PLA fiber, terylene fiber or nylon fiber.
`The said perforated component for liquid storage is plastic
`foam molding or column of multi-layer plates made through
`plastic injection with polyvinyl chloride, polypropylene and
`polycarbonate.
`The said electronic cigarette is held in a charging device.
`The said charging device includes a case, which contains
`an auxiliary charging storage battery inside it, and holds the
`electronic cigarette and the charger for the rechargeable bat-
`tery embedded in the electronic cigarette, as well as the power
`supply circuit. The power inputs ofthe said auxiliary charging
`storage battery and charger are connected with the power
`supply circuit respectively.
`The said case has a spare liquid supply bottle in it.
`The power output of the said auxiliary charging storage
`battery is connected with the power input of the said charger.
`The power output of the said charger is a charging slot,
`which fits with the charging plug of the rechargeable battery
`inside the said electronic cigarette, or a charging plug, which
`fits with the charging slot of the rechargeable battery.
`The said charger is a constant voltage & current charger.
`On the body of the said shell, there is a pair of slide ways
`corresponding to the position of the said electronic cigarette,
`and on the slide ways, there is a slide cover.
`This invention will bring the following benefits: (1) For this
`invention, the perforated component for liquid storage of the
`cigarette bottle assembly stores the nicotine liquid only,
`which doesn’t contain cigarette tar, considerably reducing the
`carcinogenic risks of smoking. At the same time, the smokers
`can still enjoy the feel and excitement of smoking, and there
`is no fire hazard since there is no need for igniting. (2) For this
`invention, the battery assembly and atomizer assembly are
`directly installed inside the shell, and then connected with the
`cigarette bottle assembly. That is, there is just one connection
`between two parts, resulting in a very simple structure. For
`use or change, you just need to plug the cigarette holder into
`the shell, providing great convenience. When the nicotine
`liquid in the cigarette bottle assembly is used up or the ciga-
`rette bottle assembly is damaged and needs to be changed, the
`operation will be extremely easy. (3) For this invention, the
`rechargeable battery inside the battery assembly has a charg-
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`ing plug, whose blades come out of the shell. When the
`rechargeable battery inside the electronic cigarette runs out of
`power, it may be directly plugged into the charger for charg-
`ing, with no need to remove the rechargeable battery, result-
`ing in very easy use. (4) For this invention, the charging
`device includes the charger and the auxiliary charging storage
`battery. The electronic cigarette is put inside the charger when
`not in use, and then the charging device may be electrified to
`charge the electronic cigarette and the auxiliary charging
`storage battery as well. In the event that power supply is not
`available for the charging device, the auxiliary charging stor-
`age battery may be used to charge the electronic cigarette.
`Therefore, the electronic cigarette can be charged anywhere
`you go, and it is very suitable for use when you are on a
`business or tourist trip. Further, the charging device includes
`a spare liquid supply bottle, which contains nicotine liquid for
`spare use when you are on a business or tourist trip. (5) For
`this invention, on one end of the shell of the cigarette bottle
`assembly, there is an air channel extending inward. The elec-
`tronic cigarette works to produce mist, which flows to the
`shell, generating some fine drips; the fine drips are condensed
`into bigger drips, which fall along the exterior wall of the air
`channel into the cavity of the shell of the cigarette bottle
`assembly, so that they are not inhaled by the smoker out ofthe
`air channel. (6) In addition, with a little bit modification to the
`liquid storage, the unit and its connecting structure of this
`invention may also be loaded with drugs for delivery to the
`lung.
`
`DESCRIPTION OF DRAWINGS
`
`FIG. 1 is the side section view ofthe electronic cigarette of
`this invention.
`
`FIG. 2 is the section view ofthe shell (a) separated from the
`cigarette bottle assembly of the electronic cigarette of this
`invention,
`illustrating the structure of the cigarette bottle
`assembly that is detachably plug in the shell (a).
`FIG. 3 is the diagram of the axial structure of the cigarette
`bottle assembly of this invention, illustrating the ventilating
`groove on the peripheral surface of the cigarette holder shell.
`FIG. 4 is the side section view ofthe cigarette bottle assem-
`bly of this invention, illustrating the structure of the air chan-
`nel.
`
`FIG. 5 is the side section view of the porous component of
`the atomizer of this invention,
`illustrating the atomizing
`chamber, a protruding half sphere structure.
`FIG. 6 is the diagram ofthe structure ofthe electric heating
`rod of the atomizer of this invention.
`FIG. 7 is the side section of the atomizer of this invention,
`illustrating the locations of and connection relation between
`the electric heating rod and porous component.
`FIG. 8 is the diagram of the cubic structure of the atomizer
`of this invention, illustrating the locations of and connection
`relation between the electric heating rod and porous compo-
`nent.
`FIG. 9 is the section view of the check valve of this inven-
`tion.
`
`FIG. 10 is the front section view of the restriction compo-
`nent in the second preferred embodiment of this invention,
`illustrating the structure of the restriction component.
`FIG. 11 is the diagram ofthe axial structure ofthe cigarette
`bottle assembly in the third preferred embodiment of this
`invention.
`FIG. 12 is the A-A section view of FIG. 11.
`
`FIG. 13 is the diagram of the structure of the electric
`heating rod of the atomizer in the fourth preferred embodi-
`ment of this invention.
`
`Exhibit 1015-00012
`
`

`
`US 8,156,944 B2
`
`5
`FIG. 14 is the section View of the porous component of the
`atomizer in the fourth preferred embodiment of this inven-
`tion.
`
`FIG. 15 is the diagram of the axial structure of FIG. 14.
`FIG. 16 is the side section View ofthe atomizer in the fourth
`
`5
`
`preferred embodiment of this invention, illustrating the loca-
`tions of and connection relation between the electric heating
`rod and porous component.
`FIG. 17 is the diagram ofthe axial structure ofthe atomizer
`in the fifth preferred embodiment of this invention.
`FIG. 18 is the side section view of the atomizer in the fifth
`
`preferred embodiment of this invention.
`FIG. 19 is the side section view of the electronic cigarette
`in the sixth preferred embodiment of this invention, illustrat-
`ing the diagram ofthe structure ofthe airflow sensor adopting
`Hall element.
`FIG. 20 is the electric circuit diagram of the electronic
`cigarette of this invention, with the airflow sensor adopting a
`reed relay structure.
`FIG. 21 is the electric circuit diagram of the electronic
`cigarette of this invention, with the airflow sensor adopting
`Hall element.
`
`FIG. 22 is the diagram ofthe cubic structure ofthe charging
`device of this invention, illustrating the locations of and con-
`nection relation of various internal parts.
`FIG. 23 is the side section view of the charging device of
`this invention,
`illustrating the structure of slide way and
`cover.
`
`FIG. 24 is the diagram ofthe front structure ofthe charging
`device of this invention, illustrating the structure of the slid-
`ing cover.
`
`SPECIFIC MODE FOR CARRYING OUT THE
`INVENTION
`
`This invention is further described as follows on the basis
`
`of the drawings.
`As shown in FIG. 1-10, this utility model provides an
`aerosol electronic cigarette, which includes a battery assem-
`bly, an atomizer assembly and a cigarette bottle assembly, and
`also includes a shell (a), which is hollow and integrally
`formed. The battery assembly connects with the atomizer
`assembly andboth are located in the shell. The cigarette bottle
`assembly is located in one end of the shell, which is detach-
`able. The cigarette bottle assembly fits with the atomizer
`assembly. The shell has through-air-inlets (al).
`In this specific embodiment, the battery assembly includes
`the battery, and the operating indicator (1), electronic circuit
`board (4), and airflow sensor (5), which are connected with
`the battery. It also includes a check valve (7). The signal
`output of the airflow sensor (5) is connected with the said
`electronic circuit board (4). The battery is a rechargeable
`battery (3), which may be either a rechargeable polymer
`lithium ion battery or a rechargeable lithium ion battery. The
`airflow sensor (5) may be alternatively a semiconductor
`force-sensitive chip capacitance sensor or an inductance sen-
`sor. The rechargeable battery (3) has a flexibly connected
`charging plug (2). The blades (21) of the charging plug (2)
`come out of the other end of the shell (a). Between the charg-
`ing plug (2) and rechargeable battery (3) is a spring (6), which
`lies against the body of the rechargeable battery (3) on one
`end, while its free end lies against the charging plug (2),
`forming a flexible structure, which buffers the charging plug
`(2) when plugged for charging, thus protecting the recharge-
`able battery against any damage. Of course, the rechargeable
`battery (3) in this embodiment has a charging slot on it, which
`replaces the structure of charging plug (2) to perform the
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`charging function and protect the rechargeable battery (3)
`against any damage. The operating indicator (1) is a LED. In
`this embodiment, there are two LEDs. The electronic circuit
`board (4) includes an electronic switch circuit, which controls
`the electric circuit according to the input signals, so that the
`rechargeable battery (3) electrifies the electric heating rod
`(82) inside the atomizer (8) and the LEDs as well.
`As shown in FIGS. 1 and 2, the airflow sensor (5) has a
`silica gel corrugated membrane (53), which connects with
`magnetic steel (54) with a reed relay (52) on one of its ends.
`Both ends of the said reed relay (52) correspond to the relay
`electrodes (51) respectively.
`As shown in FIG. 5-8, the atomizer assembly is an atomizer
`(8), which includes a porous component (81) and a heating
`rod (82). The body of the porous component (82) has a run-
`through atomizing chamber (811). The diameter of the elec-
`tric heating rod (82) is less than the diameter of the atomizing
`chamber (811). The electric heating rod (82) enters into the
`atomizing chamber (811), and there is a clearance between
`the electric heating rod (82) and interior wall ofthe atomizing
`chamber (811), which forms a negative pressure cavity (83).
`One end of the said porous component (81) fits with the said
`cigarette bottle assembly. As FIGS. 5, 7 and 8 show, the
`porous component (81) has a protuberance (812) on the other
`end, and the protuberance (812) fits with the cigarette bottle
`assembly. The protuberance (812) is a protruding half sphere,
`on the side of which there is a run-through hole (813) con-
`necting to the atomizing chamber (811). Of course, the pro-
`tuberance (812) may also be a taper, rectangle or any other
`shape. The porous component (81) is made of foamed nickel,
`stainless steel fiber felt, macromolecular polymer foam or
`foamed ceramics, providing the remarkable capabilities in
`liquid absorption and diffusion, and the ability to absorb the
`liquid stored in the cigarette bottle assembly.
`As shown in FIG. 6, the electric heating rod (82) includes
`a cylinder (821). The heating wire (822) is wound on the wall
`ofthe cylinder (821). On the wall of both ends of the cylinder
`(821), there are mandrils (823) respectively, which lie against
`the interior wall ofthe atomizing chamber (811) ofthe porous
`component (81). There is a negative pressure cavity (83)
`between the electric heating rod and interior wall ofthe atom-
`izing chamber.
`The heating wire is made of platinum wire, nickel-chro-
`mium alloy wire or iron-chromium alloy wire containing rare
`earth, or is flaked. The electric heating rod (82) may altema-
`tively have on its peripheral wall the heating layer made of
`electrically conductive ceramic PTC material, to replace the
`heating wire.
`Of this embodiment, the battery assembly and atomizer
`assembly are mutually connected and then installed inside the
`integrally formed shell (a) to form a one-piece part. The
`rechargeable battery (3) may be charged without frequent
`change of battery. The user just needs to plug the cigarette
`bottle assembly into the open end of the shell (a), for easy use
`and very easy change.
`As shown in 3 and 4, the cigarette bottle assembly includes
`a hollow cigarette holder shell (b), and a perforated compo-
`nent for liquid storage (9) inside the shell (b). The perforated
`component for liquid storage (9) is made of such materials as
`PLA fiber, terylene fiber or nylon fiber, which are suitable for
`liquid storage. Alternatively, it may be plastic foam molding
`or column of multi-layer plates made through plastic injec-
`tion with polyvinyl chloride, polypropylene and polycarbon-
`ate. One end of the cigarette holder shell (b) plugs into the
`shell (a), and the outer peripheral surface of the cigarette
`holder shell (b) has an inward ventilating groove (b2). On one
`end surface of the cigarette holder shell (b), there is an air
`
`Exhibit 1015-00013
`
`

`
`US 8,156,944 B2
`
`7
`channel (bl) extending inward. The air channel (bl) is located
`in the center on the surface of one end of shell (b).
`As shown in FIG. 1-9, one end of the porous component
`(81) lies against one end surface of the said perforated com-
`ponent for liquid storage (9), and contacts the perforated
`component for liquid storage (9). It absorbs the cigarette
`liquid from the perforated component for liquid storage (9).
`When the smoker smokes, the cavity of the cigarette holder
`shell (b) is in the negative pressure state. In the shell (b), one
`end of the airflow sensor (5) forms a normal pressure cavity,
`while the other end forms a negative pressure cavity. The air
`pressure difference between the normal pressure cavity and
`negative pres sure cavity or the high- speed airflow enables the
`magnetic steel (54) of the airflow sensor (5) to drive the reed
`relay(52) to contact the relay electrode (51). As shown in FIG.
`20, the electric circuit is electrified, and the electronic switch
`circuit on the electronic circuit board (4) is electrified. Thus,
`the rechargeable battery (3) starts to electrify the electric
`heating rod (82) inside the atomizer (8), and at the same time,
`the LEDs, which are electrified by the rechargeable battery
`(3), emit light. The air enters the normal pressure cavity
`through the air inlet (al), passes the check valve (7) via the
`airflow passage in the airflow sensor (5), and flows to the
`negative pressure cavity (83) in the atomizer (8). Since the
`negative pressure cavity (83) provides the negative pressure
`compared with the outside, the air flow sprays into it, bringing
`the cigarette liquid from the porous component (81) to spray
`into the negative pressure cavity (83) in the form of fine drips.
`In the meantime, the electric heating rod (82) is electrified by
`the rechargeable battery (3) under the control of electronic
`circuit board (4), to heat the fine drips for atomization. After
`atomization, the big-diameter fine drips are re-absorbed by
`the porous component (81) under the action of vortex, while
`the small-diameter fine drips are suspended in the airflow to
`form gasoloid, which is discharged through the negative pres-
`sure cavity (83) and run-through hole (813), flows into the
`cigarette holder shell (b) of th