WO2014198157A1 - Ceramic heating elements for electronic cigarettes - Google Patents
Ceramic heating elements for electronic cigarettes Download PDFInfo
- Publication number
- WO2014198157A1 WO2014198157A1 PCT/CN2014/075691 CN2014075691W WO2014198157A1 WO 2014198157 A1 WO2014198157 A1 WO 2014198157A1 CN 2014075691 W CN2014075691 W CN 2014075691W WO 2014198157 A1 WO2014198157 A1 WO 2014198157A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- conductive ring
- electronic cigarette
- heating
- heating rod
- liquid
- Prior art date
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 234
- 239000003571 electronic cigarette Substances 0.000 title claims abstract description 57
- 239000000919 ceramic Substances 0.000 title abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 70
- 239000007787 solid Substances 0.000 claims abstract description 42
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 17
- 238000004891 communication Methods 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 6
- -1 iron chromium aluminum Chemical compound 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 5
- 229910000623 nickel–chromium alloy Inorganic materials 0.000 claims description 5
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 5
- 239000000835 fiber Substances 0.000 description 26
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 description 12
- 239000006193 liquid solution Substances 0.000 description 12
- 229960002715 nicotine Drugs 0.000 description 12
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 12
- 239000012141 concentrate Substances 0.000 description 9
- 239000000796 flavoring agent Substances 0.000 description 8
- 235000019634 flavors Nutrition 0.000 description 8
- 230000000391 smoking effect Effects 0.000 description 6
- 241000208125 Nicotiana Species 0.000 description 4
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 208000006545 Chronic Obstructive Pulmonary Disease Diseases 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920004933 Terylene® Polymers 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000003851 biochemical process Effects 0.000 description 1
- 210000003169 central nervous system Anatomy 0.000 description 1
- 235000019506 cigar Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 210000003456 pulmonary alveoli Anatomy 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
- 210000001779 taste bud Anatomy 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
- H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
- H05B3/141—Conductive ceramics, e.g. metal oxides, metal carbides, barium titanate, ferrites, zirconia, vitrous compounds
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/46—Shape or structure of electric heating means
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/48—Fluid transfer means, e.g. pumps
- A24F40/485—Valves; Apertures
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0227—Applications
- H05B1/0288—Applications for non specified applications
- H05B1/0291—Tubular elements
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/42—Heating elements having the shape of rods or tubes non-flexible
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/42—Heating elements having the shape of rods or tubes non-flexible
- H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/10—Devices using liquid inhalable precursors
Definitions
- the present invention mainly relates to the field of electronic cigarette (or e-cigarette), and more particularly to several ceramic heating elements for electronic cigarettes.
- smoking cigarette is harmful to smoker's health.
- the active ingredient in a cigarette is mainly nicotine.
- nicotine along with tar aerosol droplets produced in the cigarette burning, are breathed into the alveolus and absorbed quickly by the smoker.
- nicotine Once nicotine is absorbed into the blood of the smoker, nicotine then produces its effect on the receptors of the smoker's central nervous system, causing the smoker relax and enjoy an inebriety similar to that produced by an exhilarant.
- Nicotine is a potentparasympathomimeticalkaloid with low molecular weight and short half-life in blood. In small doses, nicotine acts as a stimulant. This stimulant effect causes many smokers to form dependency on tobacco smoking. However, the major harmful ingredient of tobacco is not the nicotine, but tar. Tar is the common name for the resinous, partially combusted particulate matter produced by the burning of tobacco in the act of smoking. Tar is toxic and damages the smoker's lungs over time through various biochemical and mechanical processes. Tar also damages the mouth by rotting and blackening teeth, damaging gums, and desensitizing taste buds.
- the electronic cigarette is sometimes referred as electronic vaporing device, personal vaporizer (PV), or electronic nicotine delivery system (ENDS). It is a battery-powered device which simulates tobacco smoking. It generally uses a heating element that vaporizes a liquid solution. Some solutions contain a mixture of nicotine and flavorings, while others release a flavored vapor without nicotine. Many are designed to simulate smoking implements, such as cigarettes or cigars, in their use and/or appearance, while others are considerably different in appearance.
- the liquid solution in the electronic cigarette is stored in a liquid supplying reservoir.
- the liquid supplying reservoir contains various types of fibers such as cotton, polypropylene fiber, terylene fiber, or nylon filer.
- the liquid solution is soaked in these fibers and the liquid solution is passed through these fibers to a heating element to be vaporized.
- the liquid solution is vaporized on the heating element with fibers.
- the poor contact of the fibers with heating element causes uneven vaporization.
- the direct contact of the fiber with heating element also causes a burning smell. It is desirable to allow liquid solution to make direct contact with the heating element without any fibers such that the liquid solution is vaporized evenly without the burning smell.
- the e-liquid usually contains three basic elements: nicotine, flavor concentrate, and diluents.
- the flavor concentrate provides the electronic cigarettes various flavors to meet the smokers' desires.
- traditional fiber based e-liquid storage once one flavor concentrate is used, it is very difficult to remove the residue of the flavor concentrate used. For example, if an orange flavored concentrate is used in an electronic cigarette, one has to remove the fibers in the storage to completely removed residue of the orange flavored concentrate, to clean the e-liquid storage, to replace the fiber in the storage and to add a new flavor concentrate to switch to the new flavor concentrate. It is desirable to have a e-liquid storage without fiber inside, and once the e-liquid is used up, the e-liquid is completed evaporated without any residue of the previous flavor concentrate.
- the present invention relates to an electronic cigarette having ceramic heating element with a solid heating rod.
- the electronic cigarette has: (a) a hollow atomizing stem, (b) a first conductive ring, (c) a second conductive ring, (d) a conduit, (e) a liquid blocker, (f) a cigarette mouthpiece, and (g) a solid heating rod.
- the first conductive ring is sleeved at the bottom of the atomizing stem and airproof with the atomizing stem.
- the second conductive ring placed in the first conductive ring and insulated from the first conductive ring.
- the conduit is positioned in the atomizing stem, with the base of the conduit contacting the first conductive ring tightly.
- the liquid blocker is positioned on the top of the atomizing stem.
- the cigarette mouthpiece is located on the top of the atomizing stem and holds the liquid blocker.
- the inner wall of the atomizing stem, the outer wall of the conduit, the top of the first conductive ring, and the bottom of the liquid blocker together form a liquid storage chamber for storing e-liquid.
- the solid heating rod with two end portions of the solid heating rod is positioned in the liquid storage chamber. The middle portion passes transversally through the conduit and is held inside the conduit.
- the electronic cigarette further includes: (h) a battery positioned in a battery compartment at the bottom of the first conductive ring, (i) a mounting hole at the top of the first conductive ring, and (j) an insulation ring is arranged between the first conductive ring and the second conductive ring.
- the mounting hole is in communication with the battery compartment, the second conductive ring is arranged inside the mounting hole.
- the solid heating rod has one or more heating wires arranged on the surface of the solid heating rod. In another embodiment, the solid heating rod has one or more heating wires arranged inside the body of the solid heating rod. The one or more heating wires are used to atomize the e-liquid surrounding the solid heating rod. In certain embodiments, the heating wires can be made of: nickel chromium alloy, platinum wire; and iron chromium aluminum alloy wire with real earth element.
- the solid heating rod has a number of through holes in single line to wind one heating wire. In another embodiment, the solid heating rod has a number of through holes in two lines to wind two heating wires. In one embodiment, the two heating wires are electronically connected in parallel. In another embodiment, the two heating wires are electronically connected in serial. In certain embodiments, the two ends of the battery are electrically connected to the first conductive ring and the second conductive ring, respectively. The two ends of the heating wire are electrically connected to the first conductive ring and the second conductive ring, respectively.
- the present invention relates to an electronic cigarette having ceramic heating element with a hollow heating rod.
- the electronic cigarette has: (a) a hollow atomizing stem, (b) a first conductive ring, (c) a second conductive ring, (d) a conduit, (e) a liquid blocker, (f) a cigarette mouthpiece, and (g) a hollow heating rod.
- the first conductive ring is sleeved at the bottom of the atomizing stem and airproof with the atomizing stem.
- the second conductive ring placed in the first conductive ring and insulated from the first conductive ring.
- the conduit is positioned in the atomizing stem, with the base of the conduit contacting the first conductive ring tightly.
- the liquid blocker is positioned on the top of the atomizing stem.
- the cigarette mouthpiece is located on the top of the atomizing stem and holds the liquid blocker.
- the inner wall of the atomizing stem, the outer wall of the conduit, the top of the first conductive ring, and the bottom of the liquid blocker together form a liquid storage chamber for storing e-liquid.
- the hollow heating rod with two end portions of the hollow heating rod is positioned in the liquid storage chamber. The middle portion passes transversally through the conduit and is held inside the conduit.
- the electronic cigarette further includes: (h) a battery positioned in a battery compartment at the bottom of the first conductive ring, (i) a mounting hole at the top of the first conductive ring, and (j) an insulation ring is arranged between the first conductive ring and the second conductive ring.
- the mounting hole is in communication with the battery compartment, the second conductive ring is arranged inside the mounting hole.
- the hollow heating rod has one or more heating wires arranged on the surface of the hollow heating rod. In another embodiment, the hollow heating rod has one or more heating wires arranged inside the body of the hollow heating rod. The one or more heating wires are used to atomize the e-liquid surrounding the hollow heating rod. In certain embodiments, the heating wires can be made of: nickel chromium alloy, platinum wire; and iron chromium aluminum alloy wire with real earth element.
- the hollow heating rod has a number of through holes in single line to wind one heating wire. In another embodiment, the hollow heating rod has a number of through holes in two lines to wind two heating wires. In one embodiment, the two heating wires are electronically connected in parallel. In another embodiment, the two heating wires are electronically connected in serial. In certain embodiments, the two ends of the battery are electrically connected to the first conductive ring and the second conductive ring, respectively. The two ends of the heating wire are electrically connected to the first conductive ring and the second conductive ring, respectively.
- FIG. 1 is a schematic diagram of an overall structure of an electronic cigarette according to one embodiment of the present invention
- FIG. 2A shows two perspective views of a heating element with a solid ceramic rod according to one embodiment of the present invention
- FIG. 2B shows two perspective views of a heating element with a hollow ceramic rod for e-liquid passage according to another embodiment of the present invention
- FIG. 3 A shows two perspective views of a heating element with a solid ceramic rod according to one embodiment of the present invention
- FIG. 3 B shows two perspective views of a heating element with a hollow ceramic rod for e-liquid passage according to another embodiment of the present invention
- FIG. 4 A shows two perspective views of a heating element with a solid ceramic rod according to one embodiment of the present invention
- FIG. 4 B shows two perspective views of a heating element with a hollow ceramic rod for e-liquid passage according to another embodiment of the present invention
- FIG. 5 A shows two perspective views of a heating element with a solid ceramic rod according to one embodiment of the present invention
- FIG. 5 B shows two perspective views of a heating element with a hollow ceramic rod for e-liquid passage according to another embodiment of the present invention
- FIG. 6 A shows two perspective views of a heating element with a solid ceramic rod according to one embodiment of the present invention
- FIG. 6 B shows two perspective views of a heating element with a hollow ceramic rod for e-liquid passage according to another embodiment of the present invention.
- first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the present invention.
- relative terms such as 'lower' or 'bottom', 'upper' or 'top,' and 'front' or 'back' may be used herein to describe one element's relationship to another element as illustrated in the Figures. It will be understood that relative terms are intended to encompass different orientations of the device in addition to the orientation depicted in the Figures. For example, if the device in one of the figures is turned over, elements described as being on the 'lower' side of other elements would then be oriented on 'upper' sides of the other elements. The exemplary term 'lower', can therefore, encompasses both an orientation of 'lower' and 'upper,' depending of the particular orientation of the figure.
- 'around', 'about' or 'approximately' shall generally mean within 20 percent, preferably within 10 percent, and more preferably within 5 percent of a given value or range. Numerical quantities given herein are approximate, meaning that the term 'around', 'about' or 'approximately' can be inferred if not expressly stated.
- this invention in one aspect, relates to a ceramic heating element for an electronic cigarette.
- FIG. 1 is a schematic diagram of an overall structure of an electronic cigarette 100 according to one embodiment of the present invention.
- the electronic cigarette 100 includes: a cylindrical hollow atomizing stem 10, a first conductive ring 20 sleeved at the bottom of the atomizing stem 10 and airproof with the atomizing stem 10 by using a leakproof rubber ring 50, a second conductive ring 30 arranged in the first conductive ring 20 and insulated from the first conductive ring 20 by an insulation ring 60, a conduit 40 held in the atomizing stem 10, with base contacting the first conductive ring 20 tightly, a liquid blocker 70 arranged on the top of the atomizing stem 10, and a cigarette mouthpiece 80 arranged on the top of the atomizing stem 10 simultaneously and holding the liquid blocker 70.
- One distinctive feature of the electronic cigarette according to the present invention is that, the inner wall of the atomizing stem 10, the outer wall of the conduit 40, the top of the first conductive ring 20, and the bottom of the liquid blocker 70 together form a liquid storage chamber 12 for storing e-liquid.
- the liquid storage chamber 12 because of its good seal from other components of the electronic cigarette 100, can store e-liquid without cigarette fiber, so the structure of the electronic cigarette 100 is greatly simplified as compared with a conventional electronic cigarette.
- the electronic cigarette 100 further includes a fiber rope 90, wherein two end portions of the fiber rope 90 are placed within the liquid storage chamber 12, and a middle portion thereof passes transversally through the conduit 40 and is held inside the conduit 40.
- a portion of the fiber rope 90 that is held within the conduit 40 i.e., the middle portion
- the heating wire 102 can be made of platinum wire, nickel chromium alloy, or iron chromium aluminum alloy wire with real earth element.
- the heating wire 102 is energized, the heating wire 102 atomizes the e-liquid immersed in the fiber rope 90. This atomizing method has a high atomizing speed and generates more smoke as compared with a conventional electronic cigarette.
- the first conductive ring 20 is positioned at the bottom with a battery compartment 22, and at the top with a mounting hole (not identified) in communication with the battery compartment 22.
- the second conductive ring 30 is mounted within the mounting hole, and the second conductive ring 30 is longitudinally provided with a flow-guiding hole 32.
- the insulation ring 60 is arranged between the first conductive ring 20 and the second conductive ring 30.
- the two ends of the heating wire 102 are electrically connected to the first conductive ring 20 and the second conductive ring 30, respectively.
- positive and negative poles of the battery is respectively connected to the first and second conductive rings 20 and 30, so that the heating wire 102 is energized and thus provides heat, thereby quickly atomizing e-liquid in the fiber rope 90.
- the liquid blocker 70 includes a body portion 72 and a flange 74 formed at the bottom of the body portion 72.
- the flange 74 seals the liquid storage chamber 12, and prevents e-liquid in the liquid storage chamber 12 from flowing backwards.
- the body portion 72 of the liquid blocker 70 is provided with a longitudinal hole 76 in communication with an interior of the conduit 40 and a transverse hole 78 in communication with the longitudinal hole 76.
- a gap 83 is formed between two side edges at the top of the body portion 72 and the inner wall of the cigarette mouthpiece 80.
- an air flow hole 82 in communication with the transverse hole 78 is formed inside the cigarette mouthpiece 80.
- the heating wire 102 is heated up to produce a high temperature to atomize e-liquid in or around the fiber rope 90.
- air outside the battery compartment 22 flows through the flow-guiding hole 32 into the conduit 40, and when flowing upwards, the external air carries smoke generated by atomizing the e-liquid to flow.
- the mixed air flow goes through the conduit 40, and then flows into the air flow hole 82 inside the cigarette mouthpiece 80 through the longitudinal hole 76, the transverse hole 78, and the gap 83, and is finally inhaled by the user.
- the fiber rope 90 has direct contact with the heating wire 102.
- the heating wire 102 When the heating wire 102 is heated up to a high temperature, it may cause the atomized e-liquid to be mixed with the smell of burnt fiber rope 90.
- the fiber rope 90 On the other hand, the fiber rope 90 is not rigid, and the contact between the heating wire 102 and the fiber rope 90 may not be consistent. This may cause the atomization process to be uneven, or incomplete.
- the ceramic heating rod has a rigid surface and the heating wire 102 can make good contact to the ceramic heating rod. Since the heating rod is made of ceramic, it holds the heat well and evenly once the ceramic heating rod is heated up to a high temperature. Therefore, the ceramic heating rod makes the heating evenly, consistently, and achieve better results, without any burning smell.
- the heating element includes: (a) a solid heating rod 90A, (b) a heating wire 102, and (c) six through holes 94 from one side of the solid heating rod 90A to the opposite side of the solid heating rod 90A with substantially equal distance between these through holes 94.
- the heating element includes: (a) a hollow heating rod 90B having a through hole 92 in the center of the hollow heating rod 90B, (b) a heating wire 102, and (c) six through holes 94 from one side of the hollow heating rod 90B to the opposite side of the hollow heating rod 90B with substantially equal distance between these through holes 94.
- the heating wire 102 is wound in the following manner:
- the heating element includes: (a) a solid heating rod 90A, (b) a heating wire 102, and (c) six through holes 94 from one side of the solid heating rod 90A to the opposite side of the solid heating rod 90A with substantially equal distance between these through holes 94.
- the heating element includes: (a) a hollow heating rod 90B having a through hole 92 in the center of the hollow heating rod, (b) a heating wire 102, and (c) six through holes 94 from one side of the hollow heating rod 90B to the opposite side of the hollow heating rod 90B with substantially equal distance between these through holes 94.
- the heating wire 102 is wound in the following manner:
- the heating element includes: (a) a solid heating rod 90A, (b) a heating wire 102, and (c) six through holes 94 from one side of the solid heating rod 90A to the opposite side of the solid heating rod 90A with substantially equal distance between these through holes 94.
- the heating element includes: (a) a hollow heating rod 90B having a through hole 92 in the center of the hollow heating rod, (b) a heating wire 102, and (c) six through holes 94 from one side of the hollow heating rod 90B to the opposite side of the hollow heating rod 90B with substantially equal distance between these through holes 94.
- the through holes 94 are not used.
- the heating wire 102 is wound in the following manner:
- the heating element includes: (a) a solid heating rod 90A, and (b) a heating wire 102.
- the heating element includes: (a) a hollow heating rod 90B having a through hole 92 in the center of the hollow heating rod, and (b) a heating wire 102.
- the heating wire 102 is wound and embedded in the solid heating rod body 90A in a similar manner as in the embodiment shown in FIG. 4A.
- the heating wire 102 is wound and embedded in the body of the hollow heating rod 90B in a similar manner as in the embodiment shown in 4B, between the outer surface and the through hole 92 of the hollow heating rod 90B.
- the heating element includes: (a) a solid heating rod 90A, (b) a first heating wire 102A and a second heating wire 102B, and (c) twelve through holes 94 in two rows with each row having six through holes 94 with substantially equal distance between these through holes 94.
- the heating element includes: (a) a hollow heating rod 90B having a through hole 92 in the center of the hollow heating rod, (b) a first heating wire 102A and a second heating wire 102B, and , and (c) twelve through holes 94 in two rows with each row having six through holes 94 with substantially equal distance between these through holes 94.
- the heating wires 102A and 102B are wound in the following manner:
- FIGs. 6A and 6B are essentially the embodiments shown in FIGs. 3A and 3B, but the heating power of the embodiments shown in FIGs. 6A and 6B is doubled.
- the embodiments shown in FIGs. 3A, 3B, 4A, 4B, 5A, 5B, 6A and 6B can vary according to the specific requirements of the electronic cigarette designs.
- the heating rod 90A or 90B can have more than 6 holes.
- the heating rod 90A or 90B can have less than 6 holes.
- the heating rod 90A or 90B does not have through hole 94.
- the heating rod 90A or 90B can have more than two rows of through holes 94.
- Each winding method can be repeated or reduced to accommodate the number of through holes 94 on the heating rod 90A or 90B.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Resistance Heating (AREA)
Abstract
An electronic cigarette having ceramic heating element with a heating rod has: (a) a hollow atomizing stem, (b) a first conductive ring sleeved at bottom of atomizing stem and airproof with atomizing stem, (c) a second conductive ring placed in and insulated from first conductive ring, (d) a conduit positioned in atomizing stem, with conduit base tightly contacting first conductive ring, (e) a liquid blocker positioned on top of atomizing stem, (f) a cigarette mouthpiece located on top of the atomizing stem and holds liquid blocker, and (g) a heating rod. The inner wall of atomizing stem, outer wall of conduit, top of first conductive ring, and bottom of liquid blocker together form a liquid storage chamber for storing e-liquid. In one embodiment, the heating rod can be a solid ceramic heating rod. In another embodiment, the heating rod can be a hollow ceramic heating rod.
Description
This application is a continuation in part of a US
patent application 13/993,962 filed on June 13, 2013, entitled 'Electronic
Cigarette', by Xiaochun ZHU, which itself is a U.S. National Phase Application
of Application No. PCT/CN2011/072291 , filed with the Chinese Patent Office on
March 30 , 2011 , entitled ' Electronic Cigarette ', by Xiaochun ZHU , which
itself claims priority of Chinese Patent Application No. 201110075226.4 , filed
with the Chinese Patent Office on March 28 , 2011 , entitled ' Electronic
Cigarette ', by Xiaochun ZHU , the disclosures of which are incorporated herein
in their entireties by reference.
Some references, if any, which may include patents,
patent applications and various publications, may be cited and discussed in the
description of this invention. The citation and/or discussion of such
references, if any, is provided merely to clarify the description of the
present invention and is not an admission that any such reference is 'prior
art' to the invention described herein. All references listed, cited and/or
discussed in this specification are incorporated herein by reference in their
entireties and to the same extent as if each reference was individually
incorporated by reference.
The present invention mainly relates to the field of
electronic cigarette (or e-cigarette), and more particularly to several ceramic
heating elements for electronic cigarettes.
The background description provided herein is for the
purpose of generally presenting the context of the disclosure. Work of the
presently named inventors, to the extent it is described in this background
section, as well as aspects of the description that may not otherwise qualify
as prior art at the time of filing, are neither expressly nor impliedly
admitted as prior art against the present disclosure.
It is well known that smoking cigarette is harmful to
smoker's health. The active ingredient in a cigarette is mainly nicotine.
During smoking, nicotine, along with tar aerosol droplets produced in the
cigarette burning, are breathed into the alveolus and absorbed quickly by the
smoker. Once nicotine is absorbed into the blood of the smoker, nicotine then
produces its effect on the receptors of the smoker's central nervous system,
causing the smoker relax and enjoy an inebriety similar to that produced by an
exhilarant.
Nicotine is a potentparasympathomimeticalkaloid with
low molecular weight and short half-life in blood. In small doses, nicotine
acts as a stimulant. This stimulant effect causes many smokers to form
dependency on tobacco smoking. However, the major harmful ingredient of tobacco
is not the nicotine, but tar. Tar is the common name for the resinous,
partially combusted particulate matter produced by the burning of tobacco in
the act of smoking. Tar is toxic and damages the smoker's lungs over time
through various biochemical and mechanical processes. Tar also damages the
mouth by rotting and blackening teeth, damaging gums, and desensitizing taste
buds.
It is therefore desirable to have an electronic
cigarette (or e-cigarette) that delivers the nicotine without toxic tar. The
electronic cigarette is sometimes referred as electronic vaporing device,
personal vaporizer (PV), or electronic nicotine delivery system (ENDS). It is a
battery-powered device which simulates tobacco smoking. It generally uses a
heating element that vaporizes a liquid solution. Some solutions contain a
mixture of nicotine and flavorings, while others release a flavored vapor
without nicotine. Many are designed to simulate smoking implements, such as
cigarettes or cigars, in their use and/or appearance, while others are
considerably different in appearance.
Conventionally, the liquid solution in the electronic
cigarette is stored in a liquid supplying reservoir. The liquid supplying
reservoir contains various types of fibers such as cotton, polypropylene fiber,
terylene fiber, or nylon filer. The liquid solution is soaked in these fibers
and the liquid solution is passed through these fibers to a heating element to
be vaporized. The liquid solution is vaporized on the heating element with
fibers. However, the poor contact of the fibers with heating element causes
uneven vaporization. Additionally the direct contact of the fiber with heating
element also causes a burning smell. It is desirable to allow liquid solution
to make direct contact with the heating element without any fibers such that
the liquid solution is vaporized evenly without the burning smell.
The e-liquid usually contains three basic elements:
nicotine, flavor concentrate, and diluents. The flavor concentrate provides the
electronic cigarettes various flavors to meet the smokers' desires. With
traditional fiber based e-liquid storage, once one flavor concentrate is used,
it is very difficult to remove the residue of the flavor concentrate used. For
example, if an orange flavored concentrate is used in an electronic cigarette,
one has to remove the fibers in the storage to completely removed residue of
the orange flavored concentrate, to clean the e-liquid storage, to replace the
fiber in the storage and to add a new flavor concentrate to switch to the new
flavor concentrate. It is desirable to have a e-liquid storage without fiber
inside, and once the e-liquid is used up, the e-liquid is completed evaporated
without any residue of the previous flavor concentrate.
Therefore, heretofore unaddressed needs exist in the
art to address the aforementioned deficiencies and inadequacies.
In one aspect, the present invention relates to an
electronic cigarette having ceramic heating element with a solid heating rod.
The electronic cigarette has: (a) a hollow atomizing stem, (b) a first
conductive ring, (c) a second conductive ring, (d) a conduit, (e) a liquid
blocker, (f) a cigarette mouthpiece, and (g) a solid heating rod. In certain
embodiments, the first conductive ring is sleeved at the bottom of the
atomizing stem and airproof with the atomizing stem. The second conductive ring
placed in the first conductive ring and insulated from the first conductive
ring. The conduit is positioned in the atomizing stem, with the base of the
conduit contacting the first conductive ring tightly. The liquid blocker is
positioned on the top of the atomizing stem. The cigarette mouthpiece is
located on the top of the atomizing stem and holds the liquid blocker. The
inner wall of the atomizing stem, the outer wall of the conduit, the top of the
first conductive ring, and the bottom of the liquid blocker together form a
liquid storage chamber for storing e-liquid. The solid heating rod with two end
portions of the solid heating rod is positioned in the liquid storage chamber.
The middle portion passes transversally through the conduit and is held inside
the conduit.
In certain embodiments, the electronic cigarette
further includes: (h) a battery positioned in a battery compartment at the
bottom of the first conductive ring, (i) a mounting hole at the top of the
first conductive ring, and (j) an insulation ring is arranged between the first
conductive ring and the second conductive ring. The mounting hole is in
communication with the battery compartment, the second conductive ring is
arranged inside the mounting hole.
In one embodiment, the solid heating rod has one or
more heating wires arranged on the surface of the solid heating rod. In another
embodiment, the solid heating rod has one or more heating wires arranged inside
the body of the solid heating rod. The one or more heating wires are used to
atomize the e-liquid surrounding the solid heating rod. In certain embodiments,
the heating wires can be made of: nickel chromium alloy, platinum wire; and
iron chromium aluminum alloy wire with real earth element.
In one embodiment, the solid heating rod has a number
of through holes in single line to wind one heating wire. In another
embodiment, the solid heating rod has a number of through holes in two lines to
wind two heating wires. In one embodiment, the two heating wires are
electronically connected in parallel. In another embodiment, the two heating
wires are electronically connected in serial. In certain embodiments, the two
ends of the battery are electrically connected to the first conductive ring and
the second conductive ring, respectively. The two ends of the heating wire are
electrically connected to the first conductive ring and the second conductive
ring, respectively.
In another aspect, the present invention relates to
an electronic cigarette having ceramic heating element with a hollow heating
rod. The electronic cigarette has: (a) a hollow atomizing stem, (b) a first
conductive ring, (c) a second conductive ring, (d) a conduit, (e) a liquid
blocker, (f) a cigarette mouthpiece, and (g) a hollow heating rod. In certain
embodiments, the first conductive ring is sleeved at the bottom of the
atomizing stem and airproof with the atomizing stem. The second conductive ring
placed in the first conductive ring and insulated from the first conductive
ring. The conduit is positioned in the atomizing stem, with the base of the
conduit contacting the first conductive ring tightly. The liquid blocker is
positioned on the top of the atomizing stem. The cigarette mouthpiece is
located on the top of the atomizing stem and holds the liquid blocker. The
inner wall of the atomizing stem, the outer wall of the conduit, the top of the
first conductive ring, and the bottom of the liquid blocker together form a
liquid storage chamber for storing e-liquid. The hollow heating rod with two
end portions of the hollow heating rod is positioned in the liquid storage
chamber. The middle portion passes transversally through the conduit and is
held inside the conduit.
In certain embodiments, the electronic cigarette
further includes: (h) a battery positioned in a battery compartment at the
bottom of the first conductive ring, (i) a mounting hole at the top of the
first conductive ring, and (j) an insulation ring is arranged between the first
conductive ring and the second conductive ring. The mounting hole is in
communication with the battery compartment, the second conductive ring is
arranged inside the mounting hole.
In one embodiment, the hollow heating rod has one or
more heating wires arranged on the surface of the hollow heating rod. In
another embodiment, the hollow heating rod has one or more heating wires
arranged inside the body of the hollow heating rod. The one or more heating
wires are used to atomize the e-liquid surrounding the hollow heating rod. In
certain embodiments, the heating wires can be made of: nickel chromium alloy,
platinum wire; and iron chromium aluminum alloy wire with real earth
element.
In one embodiment, the hollow heating rod has a
number of through holes in single line to wind one heating wire. In another
embodiment, the hollow heating rod has a number of through holes in two lines
to wind two heating wires. In one embodiment, the two heating wires are
electronically connected in parallel. In another embodiment, the two heating
wires are electronically connected in serial. In certain embodiments, the two
ends of the battery are electrically connected to the first conductive ring and
the second conductive ring, respectively. The two ends of the heating wire are
electrically connected to the first conductive ring and the second conductive
ring, respectively.
These and other aspects of the present invention will
become apparent from the following description of the preferred embodiment
taken in conjunction with the following drawings, although variations and
modifications therein may be effected without departing from the spirit and
scope of the novel concepts of the invention.
The accompanying drawings illustrate one or more
embodiments of the invention and, together with the written description, serve
to explain the principles of the invention. Wherever possible, the same
reference numbers are used throughout the drawings to refer to the same or like
elements of an embodiment. The drawings do not limit the present invention to
the specific embodiments disclosed and described herein. The drawings are not
necessarily to scale, emphasis instead being placed upon clearly illustrating
the principles of the invention , and wherein:
FIG. 1 is a schematic diagram of an overall structure
of an electronic cigarette according to one embodiment of the present
invention;
FIG. 2A shows two perspective views of a heating
element with a solid ceramic rod according to one embodiment of the present
invention, and FIG. 2B shows two perspective views of a heating element with a
hollow ceramic rod for e-liquid passage according to another embodiment of the
present invention;
FIG. 3 A shows two perspective views of a heating
element with a solid ceramic rod according to one embodiment of the present
invention, and FIG. 3 B shows two perspective views of a heating element with a
hollow ceramic rod for e-liquid passage according to another embodiment of the
present invention;
FIG. 4 A shows two perspective views of a heating
element with a solid ceramic rod according to one embodiment of the present
invention, and FIG. 4 B shows two perspective views of a heating element with a
hollow ceramic rod for e-liquid passage according to another embodiment of the
present invention;
FIG. 5 A shows two perspective views of a heating
element with a solid ceramic rod according to one embodiment of the present
invention, and FIG. 5 B shows two perspective views of a heating element with a
hollow ceramic rod for e-liquid passage according to another embodiment of the
present invention; and
FIG. 6 A shows two perspective views of a heating
element with a solid ceramic rod according to one embodiment of the present
invention, and FIG. 6 B shows two perspective views of a heating element with a
hollow ceramic rod for e-liquid passage according to another embodiment of the
present invention.
The present invention will now be described more
fully hereinafter with reference to the accompanying drawings, in which
exemplary embodiments of the invention are shown. This invention may, however,
be embodied in many different forms and should not be construed as limited to
the embodiments set forth herein. Rather, these embodiments are provided so
that this disclosure will be thorough and complete, and will fully convey the
scope of the invention to those skilled in the art. Like reference numerals
refer to like elements throughout.
It will be understood that when an element is
referred to as being 'on' another element, it can be directly on the other
element or intervening elements may be present therebetween. In contrast, when
an element is referred to as being 'directly on' another element, there are no
intervening elements present. As used herein, the term 'and/or' includes any
and all combinations of one or more of the associated listed items.
It will be understood that, although the terms
first, second, third, etc. may be used herein to describe various elements,
components, regions, layers and/or sections, these elements, components,
regions, layers and/or sections should not be limited by these terms. These
terms are only used to distinguish one element, component, region, layer or
section from another element, component, region, layer or section. Thus, a
first element, component, region, layer or section discussed below could be
termed a second element, component, region, layer or section without departing
from the teachings of the present invention.
The terminology used herein is for the purpose of
describing particular embodiments only and is not intended to be limiting of
the invention. As used herein, the singular forms 'a', 'an' and 'the' are
intended to include the plural forms as well, unless the context clearly
indicates otherwise. It will be further understood that the terms 'comprises'
and/or 'comprising,' or 'includes' and/or 'including' or 'has' and/or 'having'
when used herein, specify the presence of stated features, regions, integers,
steps, operations, elements, and/or components, but do not preclude the
presence or addition of one or more other features, regions, integers, steps,
operations, elements, components, and/or groups thereof .
Furthermore, relative terms, such as 'lower' or
'bottom', 'upper' or 'top,' and 'front' or 'back' may be used herein to
describe one element's relationship to another element as illustrated in the
Figures. It will be understood that relative terms are intended to encompass
different orientations of the device in addition to the orientation depicted in
the Figures. For example, if the device in one of the figures is turned over,
elements described as being on the 'lower' side of other elements would then be
oriented on 'upper' sides of the other elements. The exemplary term 'lower',
can therefore, encompasses both an orientation of 'lower' and 'upper,'
depending of the particular orientation of the figure. Similarly, if the device
in one of the figures is turned over, elements described as 'below' or
'beneath' other elements would then be oriented 'above' the other elements. The
exemplary terms 'below' or 'beneath' can, therefore, encompass both an
orientation of above and below.
Unless otherwise defined, all terms (including
technical and scientific terms) used herein have the same meaning as commonly
understood by one of ordinary skill in the art to which this invention belongs.
It will be further understood that terms, such as those defined in commonly
used dictionaries, should be interpreted as having a meaning that is consistent
with their meaning in the context of the relevant art and the present
disclosure, and will not be interpreted in an idealized or overly formal sense
unless expressly so defined herein.
As used herein, 'around', 'about' or 'approximately'
shall generally mean within 20 percent, preferably within 10 percent, and more
preferably within 5 percent of a given value or range. Numerical quantities
given herein are approximate, meaning that the term 'around', 'about' or
'approximately' can be inferred if not expressly stated.
The description will be made as to the embodiments
of the present invention in conjunction with the accompanying drawings FIGs. 1
through 6. In accordance with the purposes of this invention, as embodied and
broadly described herein, this invention, in one aspect, relates to a ceramic
heating element for an electronic cigarette.
Many specific details are provided in the following
descriptions to make the present invention be fully understood, but the present
invention may also be implemented by using other manners different from those
described herein, so that the present invention is not limited by the specific
embodiments disclosed in the following.
FIG. 1 is a schematic diagram of an overall
structure of an electronic cigarette 100 according to one embodiment of the
present invention. The electronic cigarette 100 includes: a cylindrical hollow
atomizing stem 10, a first conductive ring 20 sleeved at the bottom of the
atomizing stem 10 and airproof with the atomizing stem 10 by using a leakproof
rubber ring 50, a second conductive ring 30 arranged in the first conductive
ring 20 and insulated from the first conductive ring 20 by an insulation ring
60, a conduit 40 held in the atomizing stem 10, with base contacting the first
conductive ring 20 tightly, a liquid blocker 70 arranged on the top of the
atomizing stem 10, and a cigarette mouthpiece 80 arranged on the top of the
atomizing stem 10 simultaneously and holding the liquid blocker 70.
One distinctive feature of the electronic cigarette
according to the present invention is that, the inner wall of the atomizing
stem 10, the outer wall of the conduit 40, the top of the first conductive ring
20, and the bottom of the liquid blocker 70 together form a liquid storage
chamber 12 for storing e-liquid. The liquid storage chamber 12, because of its
good seal from other components of the electronic cigarette 100, can store
e-liquid without cigarette fiber, so the structure of the electronic cigarette
100 is greatly simplified as compared with a conventional electronic
cigarette.
Another distinctive feature of the electronic
cigarette according to the present invention is that, the electronic cigarette
100 further includes a fiber rope 90, wherein two end portions of the fiber
rope 90 are placed within the liquid storage chamber 12, and a middle portion
thereof passes transversally through the conduit 40 and is held inside the
conduit 40. In addition, a portion of the fiber rope 90 that is held within the
conduit 40 (i.e., the middle portion) is wrapped with a heating wire 102. When
e-liquid is injected into the liquid storage chamber 12, the e-liquid is
automatically immersed into the fiber rope 90. In certain embodiments, the
heating wire 102 can be made of platinum wire, nickel chromium alloy, or iron
chromium aluminum alloy wire with real earth element. When the heating wire 102
is energized, the heating wire 102 atomizes the e-liquid immersed in the fiber
rope 90. This atomizing method has a high atomizing speed and generates more
smoke as compared with a conventional electronic cigarette.
In certain embodiments, the first conductive ring 20
is positioned at the bottom with a battery compartment 22, and at the top with
a mounting hole (not identified) in communication with the battery compartment
22. The second conductive ring 30 is mounted within the mounting hole, and the
second conductive ring 30 is longitudinally provided with a flow-guiding hole
32. Furthermore, the insulation ring 60 is arranged between the first
conductive ring 20 and the second conductive ring 30.
The two ends of the heating wire 102 are
electrically connected to the first conductive ring 20 and the second
conductive ring 30, respectively. When a battery is mounted in the battery
compartment 22, positive and negative poles of the battery is respectively
connected to the first and second conductive rings 20 and 30, so that the
heating wire 102 is energized and thus provides heat, thereby quickly atomizing
e-liquid in the fiber rope 90.
In certain embodiments, the liquid blocker 70
includes a body portion 72 and a flange 74 formed at the bottom of the body
portion 72. The flange 74 seals the liquid storage chamber 12, and prevents
e-liquid in the liquid storage chamber 12 from flowing backwards. The body
portion 72 of the liquid blocker 70 is provided with a longitudinal hole 76 in
communication with an interior of the conduit 40 and a transverse hole 78 in
communication with the longitudinal hole 76. In addition, a gap 83 is formed
between two side edges at the top of the body portion 72 and the inner wall of
the cigarette mouthpiece 80.
In certain embodiments, an air flow hole 82 in
communication with the transverse hole 78 is formed inside the cigarette
mouthpiece 80.
In certain embodiments, the heating wire 102 is
heated up to produce a high temperature to atomize e-liquid in or around the
fiber rope 90. When a user sucks the electronic cigarette 100 from the
cigarette mouthpiece 80, air outside the battery compartment 22 flows through
the flow-guiding hole 32 into the conduit 40, and when flowing upwards, the
external air carries smoke generated by atomizing the e-liquid to flow. The
mixed air flow goes through the conduit 40, and then flows into the air flow
hole 82 inside the cigarette mouthpiece 80 through the longitudinal hole 76,
the transverse hole 78, and the gap 83, and is finally inhaled by the user.
In the embodiments described above, the fiber rope
90 has direct contact with the heating wire 102. When the heating wire 102 is
heated up to a high temperature, it may cause the atomized e-liquid to be mixed
with the smell of burnt fiber rope 90. On the other hand, the fiber rope 90 is
not rigid, and the contact between the heating wire 102 and the fiber rope 90
may not be consistent. This may cause the atomization process to be uneven, or
incomplete.
One solution to above problems is to replace the
fiber rope 90 with a ceramic heating rod. The ceramic heating rod has a rigid
surface and the heating wire 102 can make good contact to the ceramic heating
rod. Since the heating rod is made of ceramic, it holds the heat well and
evenly once the ceramic heating rod is heated up to a high temperature.
Therefore, the ceramic heating rod makes the heating evenly, consistently, and
achieve better results, without any burning smell.
Referring now to FIGS. 2A and 2B, two perspective
views of a heating element with a solid ceramic rod is shown in FIG. 2A and two
perspective views of a hollow heating element for liquid solution passage are
shown in FIG. 2B. In one embodiment, the heating element includes: (a) a solid
heating rod 90A, (b) a heating wire 102, and (c) six through holes 94 from one
side of the solid heating rod 90A to the opposite side of the solid heating rod
90A with substantially equal distance between these through holes 94. In
another embodiment, the heating element includes: (a) a hollow heating rod 90B
having a through hole 92 in the center of the hollow heating rod 90B, (b) a
heating wire 102, and (c) six through holes 94 from one side of the hollow
heating rod 90B to the opposite side of the hollow heating rod 90B with
substantially equal distance between these through holes 94. The heating wire
102 is wound in the following manner:
(a) thread the first end of the heating wire 102
through the first through hole 94;
(b) Wind the second end of the heating wire 102
clockwise for half circle;
(c) thread the second end of the heating wire 102
through the second through hole 94;
(d) wind the second end of the heating wire 102
clockwise for half circle;
(e) thread the second end of the heating wire 102
through the third through hole 94;
(f) Wind the second end of the heating wire 102
clockwise for half circle;
(g) thread the second end of the heating wire 102
through the fourth through hole 94;
(h) wind the second end of the heating wire 102
clockwise for half circle;
(i) thread the second end of the heating wire 102
through the fifth through hole 94; and
(j) thread the second end of the heating wire 102
through the sixth through hole 94.
Referring now to FIGS. 3A and 3B, two perspective
views of a heating element with a solid ceramic rod is shown in FIG. 3A and two
perspective views of a hollow heating element for liquid solution passage are
shown in FIG. 3B. In one embodiment, the heating element includes: (a) a solid
heating rod 90A, (b) a heating wire 102, and (c) six through holes 94 from one
side of the solid heating rod 90A to the opposite side of the solid heating rod
90A with substantially equal distance between these through holes 94. In
another embodiment, the heating element includes: (a) a hollow heating rod 90B
having a through hole 92 in the center of the hollow heating rod, (b) a heating
wire 102, and (c) six through holes 94 from one side of the hollow heating rod
90B to the opposite side of the hollow heating rod 90B with substantially equal
distance between these through holes 94. The heating wire 102 is wound in the
following manner:
(a) thread the first end of the heating wire 102
through the first through hole 94;
(b) bend the second end of the heating wire 102
towards the second through hole 94;
(c) thread the second end of the heating wire 102
through the second through hole 94;
(d) bend the second end of the heating wire 102
towards the third through hole 94;
(e) thread the second end of the heating wire 102
through the third through hole 94;
(f) bend the second end of the heating wire 102
towards the fourth through hole 94;
(g) thread the second end of the heating wire 102
through the fourth through hole 94;
(h) bend the second end of the heating wire 102
towards the fifth through hole 94;
(i) thread the second end of the heating wire 102
through the fifth through hole 94;
(j) bend the second end of the heating wire 102
towards the sixth through hole 94; and
(k) thread the second end of the heating wire 102
through the sixth through hole 94.
Referring now to FIGS. 4A and 4B, two perspective
views of a heating element with a solid ceramic rod is shown in FIG. 4A and two
perspective views of a hollow heating element for liquid solution passage are
shown in FIG. 4B. In one embodiment, the heating element includes: (a) a solid
heating rod 90A, (b) a heating wire 102, and (c) six through holes 94 from one
side of the solid heating rod 90A to the opposite side of the solid heating rod
90A with substantially equal distance between these through holes 94. In
another embodiment, the heating element includes: (a) a hollow heating rod 90B
having a through hole 92 in the center of the hollow heating rod, (b) a heating
wire 102, and (c) six through holes 94 from one side of the hollow heating rod
90B to the opposite side of the hollow heating rod 90B with substantially equal
distance between these through holes 94. In these embodiments, the through
holes 94 are not used. The heating wire 102 is wound in the following
manner:
(a) hold the first end of the heating wire 102
through the first through hole 94; and
(b) wind the second end of the heating wire 102 five
times in clockwise direction with substantially equal distance among the
circles of the heating wire 102.
Referring now to FIGS. 5A and 5B, two perspective
views of a heating element with a solid ceramic rod is shown in FIG. 5A and two
perspective views of a hollow heating element for liquid solution passage are
shown in FIG. 5B. In one embodiment, the heating element includes: (a) a solid
heating rod 90A, and (b) a heating wire 102. In another embodiment, the heating
element includes: (a) a hollow heating rod 90B having a through hole 92 in the
center of the hollow heating rod, and (b) a heating wire 102. In one
embodiment, the heating wire 102 is wound and embedded in the solid heating rod
body 90A in a similar manner as in the embodiment shown in FIG. 4A. In another
embodiment, the heating wire 102 is wound and embedded in the body of the
hollow heating rod 90B in a similar manner as in the embodiment shown in 4B,
between the outer surface and the through hole 92 of the hollow heating rod
90B.
Referring now to FIGS. 6A and 6B, two perspective
views of a heating element with a solid ceramic rod is shown in FIG. 6A and two
perspective views of a hollow heating element for liquid solution passage are
shown in FIG. 6B. In one embodiment, the heating element includes: (a) a solid
heating rod 90A, (b) a first heating wire 102A and a second heating wire 102B,
and (c) twelve through holes 94 in two rows with each row having six through
holes 94 with substantially equal distance between these through holes 94. In
another embodiment, the heating element includes: (a) a hollow heating rod 90B
having a through hole 92 in the center of the hollow heating rod, (b) a first
heating wire 102A and a second heating wire 102B, and , and (c) twelve through
holes 94 in two rows with each row having six through holes 94 with
substantially equal distance between these through holes 94. The heating wires
102A and 102B are wound in the following manner:
(a) thread the first end of the first heating wire
102A through the first through hole 94 of a first row;
(b) bend the second end of the first heating wire
102A towards the second through hole 94 of the first row;
(c) thread the second end of the first heating wire
102A through the second through hole 94 of the first row;
(d) bend the second end of the first heating wire
102A towards the third through hole 94 of the first row;
(e) thread the second end of the first heating wire
102A through the third through hole 94 of the first row;
(f) bend the second end of the first heating wire
102A towards the fourth through hole 94 of the first row;
(g) thread the second end of the first heating wire
102A through the fourth through hole 94 of the first row;
(h) bend the second end of the first heating wire
102A towards the fifth through hole 94 of the first row;
(i) thread the second end of the first heating wire
102A through the fifth through hole 94 of the first row;
(j) bend the second end of the first heating wire
102A towards the sixth through hole 94 of the first row;
(k) thread the second end of the first heating wire
102A through the sixth through hole 94 of the first row;
(l) repeat the operation (a) through (k) for the
second heating wire 102B on the second row of the through holes;
(m) connect the first end of the first heating wire
102A to the first end of the second heating wire 102B; and
(n) connect the second end of the first heating wire
102A to the second end of the second heating wire 102B.
These embodiments shown in FIGs. 6A and 6B are
essentially the embodiments shown in FIGs. 3A and 3B, but the heating power of
the embodiments shown in FIGs. 6A and 6B is doubled. The embodiments shown in
FIGs. 3A, 3B, 4A, 4B, 5A, 5B, 6A and 6B can vary according to the specific
requirements of the electronic cigarette designs. For example, in one
embodiment, the heating rod 90A or 90B can have more than 6 holes. In another
embodiment, the heating rod 90A or 90B can have less than 6 holes. In one
embodiments, the heating rod 90A or 90B does not have through hole 94. In
another embodiment, the heating rod 90A or 90B can have more than two rows of
through holes 94. Each winding method can be repeated or reduced to accommodate
the number of through holes 94 on the heating rod 90A or 90B.
The electronic cigarette having ceramic heating
elements shown in above embodiments will have the following advantages:
(a) sustaining higher temperature;
(b) having no burning smell;
(c) prolonging the lifespan of the electronic
cigarette;
(d) providing better air movement;
(e) providing better and reliable e-liquid movement;
(f) providing more consistent and even heating to
the heating element;
(g) achieving better atomizing results; and
(h) providing the electronic cigarette smoker a
better experience.
The foregoing description of the exemplary
embodiments of the invention has been presented only for the purposes of
illustration and description and is not intended to be exhaustive or to limit
the invention to the precise forms disclosed. Many modifications and variations
are possible in light of the above teaching.
The embodiments were chosen and described in order
to explain the principles of the invention and their practical application so
as to activate others skilled in the art to utilize the invention and various
embodiments and with various modifications as are suited to the particular use
contemplated. Alternative embodiments will become apparent to those skilled in
the art to which the present invention pertains without departing from its
spirit and scope. Accordingly, the scope of the present invention is defined by
the appended claims, the foregoing description and the exemplary embodiments
described therein, and accompanying drawings.
Claims (20)
- An electronic cigarette, comprising:a hollow atomizing stem;a first conductive ring sleeved at the bottom of the atomizing stem and airproof with the atomizing stem;a second conductive ring arranged in the first conductive ring and insulated from the first conductive ring;a conduit held in the atomizing stem, with the base of the conduit contacting the first conductive ring tightly;a liquid blocker arranged on the top of the atomizing stem;a cigarette mouthpiece arranged on the top of the atomizing stem simultaneously and holding the liquid blocker, wherein the inner wall of the atomizing stem, the outer wall of the conduit, the top of the first conductive ring, and the bottom of the liquid blocker together form a liquid storage chamber for storing e-liquid; anda solid heating rod with two end portions of the solid heating rod positioned in the liquid storage chamber, and a middle portion thereof passes transversally through the conduit and is held inside the conduit.
- The electronic cigarette of claim 1, further comprisesa battery positioned in a battery compartment at the bottom of the first conductive ring ; anda mounting hole at the top of the first conductive ring,wherein the mounting hole is in communication with the battery compartment, the second conductive ring is arranged inside the mounting hole, and an insulation ring is arranged between the first conductive ring and the second conductive ring.
- The electronic cigarette of claim 2, wherein the solid heating rod comprises one or more heating wires arranged on the body of the solid heating rod, wherein the one or more heating wires are configured to atomized the e-liquid surrounding the solid heating rod.
- The electronic cigarette of claim 3, wherein the heating wires comprises:nickel chromium alloy;platinum wire; andiron chromium aluminum alloy wire with real earth element.
- The electronic cigarette of claim 4, wherein the solid heating rod comprises a plurality of through holes in single line to wind one heating wire.
- The electronic cigarette of claim 4, wherein the solid heating rod comprises a plurality of through holes in two lines to wind two heating wires.
- The electronic cigarette of claim 6 , wherein the two heating wires are electronically connected in parallel .
- The electronic cigarette of claim 6 , wherein the two heating wires are electronically connected in serial .
- The electronic cigarette of claim 4, where in the two ends of the battery are electrically connected to the first conductive ring and the second conductive ring, respectively.
- The electronic cigarette of claim 4, wherein the two ends of the heating wire are electrically connected to the first conductive ring and the second conductive ring, respectively.
- An electronic cigarette, comprising:a hollow atomizing stem;a first conductive ring sleeved at the bottom of the atomizing stem and airproof with the atomizing stem;a second conductive ring arranged in the first conductive ring and insulated from the first conductive ring;a conduit held in the atomizing stem, with the base of the conduit contacting the first conductive ring tightly;a liquid blocker arranged on the top of the atomizing stem;a cigarette mouthpiece arranged on the top of the atomizing stem simultaneously and holding the liquid blocker, wherein the inner wall of the atomizing stem, the outer wall of the conduit, the top of the first conductive ring, and the bottom of the liquid blocker together form a liquid storage chamber for storing e-liquid; anda hollow heating rod with two end portions of the hollow heating rod positioned in the liquid storage chamber, and a middle portion thereof passes transversally through the conduit and is held inside the conduit.
- The electronic cigarette of claim 11 , further comprises :a battery positioned in a battery compartment at the bottom of the first conductive ring ; anda mounting hole at the top of the first conductive ring,wherein the mounting hole is in communication with the battery compartment , the second conductive ring is arranged inside the mounting hole , and an insulation ring is arranged between the first conductive ring and the second conductive ring.
- The electronic cigarette of claim 12, wherein the hollow heating rod comprises one or more heating wires arranged on the body of the solid heating rod, wherein the one or more heating wires are configured to atomized the e-liquid surrounding the hollow heating rod.
- The electronic cigarette of claim 13, wherein the heating wires comprises:nickel chromium alloy;platinum wire; andiron chromium aluminum alloy wire with real earth element.
- The electronic cigarette of claim 14, wherein the hollow heating rod comprises a plurality of through holes in single line to wind one heating wire.
- The electronic cigarette of claim 14, wherein the hollow heating rod comprises a plurality of through holes in two lines to wind two heating wires.
- The electronic cigarette of claim 16 , wherein the two heating wires are electronically connected in parallel .
- The electronic cigarette of claim 16 , wherein the two heating wires are electronically connected in serial .
- The electronic cigarette of claim 14, where in the two ends of the battery are electrically connected to the first conductive ring and the second conductive ring, respectively.
- The electronic cigarette of claim 14, wherein the two ends of the heating wire are electrically connected to the first conductive ring and the second conductive ring, respectively.
Priority Applications (1)
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US14/362,164 US9763477B2 (en) | 2011-03-30 | 2014-04-18 | Ceramic heating elements for electronic cigarettes |
Applications Claiming Priority (2)
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US201313993962A | 2013-06-13 | 2013-06-13 | |
US13/993,962 | 2013-06-13 |
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PCT/CN2014/075691 WO2014198157A1 (en) | 2011-03-30 | 2014-04-18 | Ceramic heating elements for electronic cigarettes |
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WO (1) | WO2014198157A1 (en) |
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