Abstract: An aerosol generator device for delivering an aerosol of a nicotine salt includes a mouth end; a first chamber containing a porous material wetted with liquid nicotine, a second chamber containing a porous material wetted with a solution of a volatile acid, a third chamber in fluid communication with the first and second chambers, leading to the mouth end, and an outer housing defining a passageway for air through said device. A nicotine vapor can be produced by drawing air along the passageway and through the porous material wetted with liquid nicotine. An acid vapor can be produced by passing air along the passageway and through the porous material wetted with a solution of a volatile acid. The nicotine vapor and the acid vapor can be admixed in the third chamber to form an aerosol of a nicotine salt, which can be drawn out through the mouth end.

Abstract: Vaporizer and/or electronic cigarette chargers useful for the recharging of rechargeable vaporizer or electronic cigarette power supplies such as batteries, compatible vaporizers and/or electronic cigarettes, their components, charging contacts, methods of their use and kits containing such chargers are disclosed.

Abstract: A cartridge for use with a vaporization device comprising a first heating element, a first compartment for containment of a first vaporizable material, and a second compartment for containment of a second vaporizable material, wherein the device generates an aerosol for inhalation by a subject by heating the first vaporizable material or the second vaporizable material.

Abstract: An aerosol-generating system may comprise a releasably connectable capsule and vaporizing unit. The capsule may comprise a reservoir for containing an aerosol-generating substrate, an opening in fluidic communication with the reservoir, and a valve configured to control a flow of the aerosol-generating substrate from the reservoir through the opening. The valve may comprise one or more resilient closing members biased towards a closed position. The vaporizing unit may comprise a transfer element and a heating element disposed in a housing. The heating element is configured to heat the aerosol-generating substrate in the transfer element. The vaporizing unit may also comprise an elongate element configured to engage with the valve to deflect the one or more resilient closing members from the closed position to an open position so as place the transfer element in fluidic connection with the reservoir when the capsule is connected to the vaporizing unit.

Abstract: An electronic vapor device is disclosed comprising a vapor outlet, a first container for storing a first vaporizable material, wherein the first container is permanently integrated into the electronic vapor device, a second container for storing a second vaporizable material, wherein the second container is removable from the electronic vapor device, a docking bay configured to receive the second container, wherein the second container is removed from or inserted into the docking bay through a door, and a vaporizer component configured for vaporizing the first vaporizable material or the second vaporizable material to generate a vapor and for providing the vapor to the vapor outlet.

Abstract: An aerosol-generating system may include a capsule and a releasably connectable vaporizer or vaporizing unit. The capsule comprises a distal end and defines a reservoir configured to contain an aerosol-generating substrate. The vaporizing unit comprises a housing and a heating element and a transfer element disposed in the housing. The heating element is configured to heat the transfer element to vaporize the aerosol-generating substrate. The housing of the vaporizing unit has a proximal end. A portion of the transfer element extends beyond the proximal end of the housing. The vaporizing unit is configured such that the transfer element is the initial part of the vaporizing unit to penetrate into the reservoir of the capsule as the distal end of the capsule is moved towards the proximal end of the vaporizing unit.

Abstract: An aerosol-generating article may comprise a liquid storage portion containing a liquid aerosol-forming substrate, and a hydrochromic material provided on the liquid storage portion. The hydrochromic material has a first colour when in the presence of or when in contact with the liquid aerosol-forming substrate and a second colour when in the absence of or when not in contact with the liquid aerosol-forming substrate. An aerosol-generating system may comprise the aerosol-generating article, an aerosol-generating element, and an aerosol-generating device. An aerosol-generating device may comprise an electrical power supply, an electronic photosensor, and a controller configured to control a supply of electrical power from the electrical power supply based on a value of an optical property sensed with the electronic photosensor.

Abstract: An aerosol delivery device or electronic cigarette generates an aerosol or vapor for consumption by a consumer. The device may include a cartridge holding an aerosol precursor substance or fluid that is turned into the aerosol or vapor. The fluid may be stored in reservoir that allows for the fluid to be passed to an atomizer for generating the aerosol. The reservoir may be a flexible bladder that equalizes pressure inside the cartridge to reduce leakage, such as with an internal valve to activate fluid transfer. Alternatively, the reservoir may include one or more capsules that can be broken or melted to release the fluid.

Abstract: An atomizer of an electronic cigarette includes an atomizing assembly, a smoke tube and a cigarette holder. The atomizing assembly includes: a heating module including a ceramic base and a heating wire winding around the ceramic base; and a snap base including an upper snap base and a lower snap base. The heating module is longitudinally provided between the upper snap base and the lower snap base. The upper snap base includes a first air channel in communication with a smoke channel and a liquid channel in communication with a liquid storage cavity. The lower snap base includes a second air channel in communication with the first air channel.

Abstract: A method for controlling a vaporizer device may include determining a first temperature, vaporizing an inhalable substance at the first temperature, raising the first temperature by a temperature quantity, wherein a second temperature is a sum of the temperature quantity and the first temperature; and vaporizing the inhalable substance at the second temperature, wherein the temperature quantity is less than 3° C.

Abstract: An electronic cigarette has a housing (2) formed by a plurality of thin rolled up layers with one or more grooves (6a, 6b, 6c, 6d, 6e, 6f, 6g) on an inside or outer surface of the housing (2). The housing (2) allows an opening to be formed to allow battery (3) gases to escape, avoiding over-pressurizing the housing (2), in the event of a battery (3) failure. The housing (2) may have a thickness of about 0.06 mm to about 2.5 mm. The layers may be bonded together by adhesives. The housing (2) may be formed around components of the electronic cigarette.

Abstract: A power supply section for an e-vaping device includes a sensor housed in a housing, a sensor holder holding the sensor, the sensor holder disposed in the housing to divide the housing into a first portion and a second portion, and the sensor and the sensor holder configured to substantially prevent air flow from the first portion into the second portion, and a power source disposed in the second portion. The construction of this unit insures that gases that may be produced by outgassing of the battery cell will be vented to the environment and that those gases will be isolated from the air that is mixed with the vaporized e-liquid and inhaled by the user.

Abstract: An information pushing method and a communication method are provided. The information pushing method includes: detecting, by an electronic cigarette, a behavior characteristic of a user; generating, by the electronic cigarette, a triggering signal if the behavior characteristic of the user satisfies a predetermined condition; transmitting, by the electronic cigarette, the triggering signal to a user terminal bound to the electronic cigarette; performing positioning, by the user terminal, and transmitting position information of the user terminal to a service platform; and judging, by the service platform, whether user satisfies an interaction condition according to the received position information of the user terminal; and pushing a group message to the user terminal, if the user satisfies the interaction condition.

Abstract: A loading tube has Japanese cotton placed within a polymer tube. The tube has a hollow, cylindrical form with a tip and an opposite tail. The Japanese cotton advances through the tube exiting at the tip and withdrawing from the tail. The tube has a sidewall with a thickness and an inner diameter suitable for containing Japanese cotton and then advancing it into an atomizer. The outer diameter of the tube cooperates with an aperture in the coil of the atomizer. The tip and the tail have a rim with a square cut. The tube has its size that relates its length to its inner diameter, and to its thickness within a range. The tube utilizes polypropylene for its construction. Alternative fibrous material may be substituted for Japanese cotton.

Abstract: An aerosol delivery device having condensing and non-condensing vaporization functionality is provided. The aerosol delivery device may comprise at least one housing, and a first element and second element contained within the at least one housing. The first and second element may be configured to activate and vaporize components of an aerosol precursor composition, and thereby form respectively a condensing vapor and non-condensing vapor. In response to a flow of air through at least a portion of the at least one housing, the condensing vapor or non-condensing vapor may be combinable with the air to form an aerosol.

Abstract: An electrically heated aerosol-generating system is provided, including an aerosol-generating device and a cartridge configured to be used with the device, the device including a device housing configured to engage at least a portion of the cartridge; an inductor coil positioned around or adjacent to the cavity; and a power supply connected to the inductor coil and configured to provide a high frequency oscillating current to the inductor coil; the cartridge including a cartridge housing configured to engage the device housing and containing an aerosol-forming substrate, the housing having an external surface surrounding the aerosol-forming substrate, at least a portion of the external surface being formed by a fluid-permeable susceptor element.

Abstract: An atomizer includes a housing and a liquid storage cup. The housing has a mouthpiece thereon. The liquid storage cup is provided in the housing and configured for storing tobacco liquid. The liquid storage cup has an opening at one end thereof. A microporous liquid conducting body is plugged inside the opening for conducting the tobacco liquid in the liquid storage cup into an atomizing unit. An atomizing unit is connected to the opening and configured for heating the tobacco liquid to generate aerosol. An air flow channel is provided between the mouthpiece and the atomizing unit. The atomizing unit includes a support, a liquid guiding component located in the support, and at least one vertically arranged heating sheet. The heating sheet includes a side surface in contact with the liquid guiding component.

Abstract: A wickless cartomizer includes an outer shell surrounding an inner shell in a spaced configuration to form chamber for holding vaporizable material between the outer and inner shell. The inner shell includes a channel having an opening at the bottom portion of the outer wall to allow the vaporizable material in the chamber to flow into the channel such that the vaporizable material within the channel is substantially level with the vaporizable material in the chamber. The inner wall of the channel includes a heater to heat the vaporizable material stored within the channel along the length of the inner wall to provide a more even temperature distribution through the vaporizable material. As the vaporizable material heats and becomes vaporized, the vapor rises and passes through a vapor exit opening in a top portion of the inner wall of the channel.

Abstract: The present invention provides an electronic vaporizing inhaler with an electrical storage device; a liquid reservoir for vaping liquid; a vaporizer with a substrate defined by a plurality of capillary apertures that provide fluid communication between the vaporizer and the liquid reservoir; a sponge; a wick; and a heating element; a microprocessor in electrical communication with the electrical storage device that directs current from the electrical storage device to the heating element in the vaporizer; a sensor configured to detect when a user draws on the electronic cigarette that activates the microprocessor when it detects that a user has drawn on the electronic cigarette; a housing having designed to contain the electrical storage device, vaporizer, microprocessor, sensor, and liquid reservoir and having a mouthpiece from which a user can inhale vapor from the vaporizer. The invention also provides a dosage control embodiment using a heat or diaphragm pump.

Abstract: An aerosol delivery device or electronic cigarette generates an aerosol or vapor for consumption by a consumer. The device may include a cartridge holding an aerosol precursor substance or fluid that is turned into the aerosol or vapor. The fluid may be stored in reservoir that allows for the fluid to be passed to an atomizer for generating the aerosol. The reservoir may be a flexible bladder that equalizes pressure inside the cartridge to reduce leakage, such as with an internal valve to activate fluid transfer. Alternatively, the reservoir may include one or more capsules that can be broken or melted to release the fluid.

Abstract: A method for replacing an application interface of an electronic cigarette includes the steps of receiving a mode switching request after starting up a system, and displaying a network configuration interface based on the received mode switching request; acquiring a network address of a server when the electronic cigarette is connected to a network, and accessing the server based on the acquired network address of the server automatically; sending a request for downloading interface information to the server, and receiving the interface information from the server based on the request for downloading interface information; and replacing the application interface of the electronic cigarette with the interface information when receiving a request for replacing the application interface of the electronic cigarette. A device for replacing an application interface of an electronic cigarette and an electronic cigarette are also disclosed.

Abstract: Disclosed herein is a portable herbal vaporizer having an outward appearance of a fountain pen. The vaporizer includes a vaporization chamber subjected to high temperatures. The vaporizer utilizes compacted particulate aerogel insulation to reduce heat loss while also providing a compact exterior package. The aerogel particles are contained in a sealed cavity, with is filled during manufacture by means of a centrifuge.

Abstract: An electronic vaporizing device comprising: a device processor operable for controlling the electronic vaporizing device and at least one operation parameter of at least one associated lighting device; at least one container configured to store a vaporizable material; a vaporizing component; at least one vapor outlet coupled to the vaporizing component and configured to receive vapor generated by the vaporizing component, the at least one vapor outlet; at least one power source; and at least one input/output device operatively coupled to the device processor and configured to operatively connect the device processor to at least one associated lighting device, wherein the at least one input/output port is operable to transmit a plurality of control signals generated by the device processor to the at least one associated lighting device for controlling at least one operation parameter of the at least one associated lighting device.

Abstract: An electronic vapor provision device comprising a power cell and a vaporizer, wherein the vaporizer comprises a heater and a vaporization cavity, wherein the vaporizer further comprises an airflow channeler configured, in use, to channel airflow over the heater.

Abstract: An electronic vaping device includes a housing, a planar heater, a heater support, a tank, and a wick. The housing extends in a longitudinal direction and has a tip end and a mouth-end. The tip end is closed and the mouth-end has an opening therein. The heater support supports the planar heater. The tank contains a pre-vapor formulation and is configured to slide into and out of the opening of the mouth-end of the housing. The wick extends from the tank and is configured to be in contact with the planar heater when the tank is inserted in the housing.

Abstract: A driving module for an electronic cigarette is provided. The electronic cigarette includes a casing, a mouthpiece, a sensing unit, an atomization component, a liquid storage component and a fluid transportation device. The driving module includes a battery, a connection interface, a power board and a control board. According to a control signal, a voltage of the driving power is converted into a specified voltage, and a driving signal is generated according to the specified voltage. According to the driving signal, the driving power with the specified voltage value is provided to the fluid transportation device to enable the fluid transportation device to transfer the cigarette liquid to the atomization component, and the driving power with the specified voltage value is provided to the atomization component to enable the atomization component to atomize the cigarette liquid and generate an atomized vapor.

Abstract: An electronic vaping device includes: a reservoir configured to hold a liquid formulation; a vaporizer having a heating coil, the heating coil configured to heat liquid formulation drawn from the reservoir to generate a vapor; a controller electrically connected to the heating coil; and a power supply connected to the heating coil and the controller. The controller is programmed to determine that the liquid formulation in the reservoir is becoming depleted in response to determining that a computed value of the heat transfer time constant of the heating coil exceeds an average of a plurality of values of the heat transfer time constant calculated based on resistance values of the heating coil measured during a time interval by at least a threshold amount, and to cause the electronic vaping device to output an alert indicating that the liquid formulation in the reservoir is becoming depleted.

Abstract: An aerosol-forming member comprising a sheet of material configured to wick and to heat a solution is disclosed. The sheet of material comprises a non-planar inner major surface having a capillary structure configured to emit vapor during use, and an outer major surface that is configured to emit less vapor than the inner major surface during use.

Abstract: The present disclosure relates to an electronic cigarette and an atomizer device and an atomizer assembly thereof. The atomizer assembly includes a connection tube and an inner core assembly arranged in the connection tube. The connection tube defines a liquid inlet hole allowing liquid solution to flow into the connection tube, and the inner core assembly comprises a heater for heating and atomizing the liquid solution flowed into the connection tube. The connection tube includes a first connection member and a second connection member detachably connected to the first connection member; and the first connection member and the second connection member defines a receiving space in which the inner core assembly is detachably arranged.

Abstract: The present disclosure relates to a microfluidic vaporizer, an aerosol delivery device that may include such vaporizer, and methods for forming an aerosol. A microfluidic vaporizer can comprise a substrate that defines: a reservoir configured to hold a liquid; a heater adapted to vaporize the liquid; and a capillary channel configured for movement of the liquid from the reservoir to the heater. An aerosol delivery device can comprise a shell and a microfluidic vaporizer. The microfluidic vaporizer and aerosol delivery device can be used for forming aerosols with precise and reproducible compositions.

Abstract: A non-combustion-type flavor inhaler includes a shape extending from a non-mouthpiece end to a mouthpiece end in a predetermined direction. The non-combustion-type flavor inhaler includes: an aerosol source generating aerosol; an atomizer atomizing the aerosol source without combustion; a power source supplying electric power to the atomizer; and a controller controlling an electric energy supplied from the power source to the atomizer. The controller randomly controls the electric energy supplied to the atomizer.

Abstract: The present disclosure claims an electronic cigarette, a cigarette rod, a cigarette cartridge, and a recognition method of a cigarette cartridge, wherein the electronic cigarette includes: the cigarette rod and the cigarette cartridge. The cigarette rod includes: a battery and a controller, and the cigarette cartridge includes: an atomizer and a recognition information provider component connected with the atomizer, wherein the atomizer is connected with the controller via the recognition information provider component, wherein the recognition information provider component is configured to send recognition information to the controller, and the controller is configured to judge whether the cigarette rod and the cigarette cartridge are matched, and if so, allow the atomizer to work normally. Otherwise, the controller executes alarming or prohibits the atomizer from working normally.

Abstract: Disclosed are an information interaction method and an information interaction system, using at least two electronic cigarettes for information interaction. The method comprises the following steps: S1. at least one electronic cigarette in a preset distance sends taste information carrying a tobacco tar taste type and a taste comment to one or more other electronic cigarettes in the area; and S2. An electronic cigarette receiving the taste information saves, generates a prompt of, and/or forwards the taste information. By using the method of the present invention, tobacco tar taste information is shared, favorite tastes can be recommended between each other and disfavor tastes can also be provided for others as reference information.

Abstract: A wearable electronic simulated smoking device (500, 500?) is provided for delivery of a desired active ingredient responsive to a user's inhalation through the device (500, 500?). The device (500, 500?) includes an elongated tubular body (110) having at least one arcuate portion to at least partially encompass a portion of a user's body and is releasably retainable thereat. Tubular body (110) includes a cartridge receiving housing (510) having a cartridge receiving chamber (514) in to which any one of multiple vaporization cartridges (520, 520?, 520?) may be removably received. Device (500, 500?) includes vaporization cartridges (520, 520?, 520?), each including a vaporizer (145, 530, 560) for generating vapors from liquid and wax concentrates, and dry herbal compositions.

Abstract: An intelligent controller of electronic cigarette includes a switch module, a voltage acquisition module coupled to a heating wire, a control module coupled to the switch module and the voltage acquisition module, respectively, a display module electrically connected to an output of the control module, and a battery electrically connected to the switch module, the voltage acquisition module, the control module and the display module, respectively. The control module sends a control signal to the voltage acquisition module to make the voltage acquisition module acquire a terminal voltage of the heating wire. After receiving a signal from the switch module, whether the heating wire of an atomizer is in a short-circuit condition, an open-circuit condition or a normal condition is detected based on the acquired signal, and a detection result is output such that these conditions of the heating wire are observed directly by users.

Abstract: A re-fillable and re-chargeable e-cigarette PV that is not disassembled in normal use for re-filling or replenishing with e-liquid and is also not disassembled in normal use for battery access or replacement or other battery interaction.

Abstract: An exemplary replaceable atomizing unit includes a liquid conducting body, a heating element in contact with the liquid conducting body, a holder, and a press fit element. The holder is configured for supporting the liquid conducting body. The holder includes an open end. The press fit element is coupled with the open end. The press fit element and the holder cooperatively define an atomizing chamber. The heating element is received in the atomizing chamber. The open end defines a gap for accommodating the liquid conducting body. At least one part of the liquid conducting body extends along the gap outside of the atomizing chamber. The atomizing unit further includes a resilient component nesting the open end, and the resilient component is tightly pressed against the liquid conducting body by the press fit element.

Abstract: A pressurized refill canister containing a reservoir of composition including a propellant and a nicotine or a pharmaceutically acceptable derivative or salt thereof. The reservoir is at a pressure of greater than 400 kPa at 20° C. A refill outlet valve comprises a stem with an axial bore open at the axial end furthest from the reservoir to provide an outlet which discharges the composition in an axial direction. The stem is displaceable from a closed position to which it is biased by a first resilient member with a spring force of greater than 10N when no external force is applied to a dispensing position against the action of the first resilient member to open a flow path from the reservoir to the outlet.

Abstract: The invention is related to an electronic cigarette, the electronic cigarette comprises an electronic cigarette body; the electronic cigarette body is provided with a smoking end, a tar storage device, an atomization assembly and a battery rod assembly; the tar storage device is arranged on one end of the electronic cigarette body away from the smoking end; a connection mechanism is arranged at the location where the atomization assembly and the tar storage device are connected with each other. Since the tar storage device is arranged on the end far away from the smoking end, a user can be effectively prevented from inhaling the non-atomized tobacco liquid and being hurt by heat generated by the atomization assembly; and furthermore, the tar storage device and the atomization assembly are mutually fastened and connected by the connection mechanism, thus the electronic cigarette is convenient in disassembly and assembly.

Abstract: An electronic cigarette includes a control chip, the control chip includes: a driving module configured to output a current to drive the electronic cigarette to work; an open-circuit detecting module electrically connected to the driving module, and configured to sample and detect the current, and send out an open-circuit enable signal when a sampled current is less than a internal reference current; a short-circuit detecting module electrically connected to the driving module, and configured to sample and detect the current, and send out a short-circuit enable signal when the sampled current is greater than the internal reference current; and a control module electrically connected to the driving module, and configured to receive the open-circuit enable signal and the short-circuit enable signal, and send a shutdown signal to the driving module.

Abstract: An aerosol delivery device or electronic cigarette generates an aerosol or vapor for consumption by a consumer. The device may include a cartridge holding an aerosol precursor substance or fluid that is turned into the aerosol or vapor. The fluid may be stored in reservoir that allows for the fluid to be passed to an atomizer for generating the aerosol. The reservoir may be a flexible bladder that equalizes pressure inside the cartridge to reduce leakage, such as with an internal valve to activate fluid transfer. Alternatively, the reservoir may include one or more capsules that can be broken or melted to release the fluid.

Abstract: A resealable disposable microvaporizer cartridge having an outer casing and an inner casing that is radially inwards of the outer casing, a trapdoor, and a tank defined between a radially inward surface of the outer casing and a radially outward surface of the inner casing. The cartridge is sealed by the trapdoor on one end, and the trapdoor is resealable. A disposable mouthpiece can also be provided on the disposable cartridge.

Abstract: An aerosol-generating system is provided, including a nicotine source; a volatile delivery enhancing compound source downstream of the nicotine source and including an acid; heating means for heating the nicotine source; and a physically separate heat transfer barrier between the nicotine source and the volatile delivery enhancing compound source. The heating means is configured to heat the nicotine source to a temperature of between about 80° C. and about 150° C. The heat transfer barrier is configured so that the temperature of the volatile delivery enhancing compound source is less than about 50° C. when the nicotine source is heated to a temperature of between about 80° C. and about 150° C. by the heating means.

Abstract: A control circuit, an electronic cigarette and a method for controlling the electronic cigarette, the control circuit includes at least one airflow sensor, a microcontroller, a battery, an audio module and an indication unit; the airflow sensor for collecting an airflow signal, converting the airflow signal into a smoking signal and sending the smoking signal to the microcontroller, the microcontroller is used for controlling the audio module to give out hookah-simulating water sounds according to the received smoking signal and simultaneously controlling the indication unit to display a smoking color; and the microcontroller is further used for controlling the indication unit to display different indication colors according to different charging states of the battery. Therefore water sounds can be given out by electronic simulation, and the function of electronically simulating real hookah water sounds is conducive to usage of the electronic cigarette and smoking cessation.

Abstract: An exemplary aerosol inhaling device includes a liquid supply, an atomizing device, and a power supply. The liquid supply is configured for storing tobacco liquid. The atomizing device configured for heating the tobacco liquid to form aerosol. The power supply is electrically connected with the atomizing device. The power supply is configured for supplying the atomizing device power.

Abstract: The invention relates to a battery rod and an electronic cigarette. The battery rod comprises a battery casing, a battery, a control module, and an end cover. Wires and an airflow sensor are provided on the control module. An elastic mounting base is provided within the battery casing. The elastic mounting base is provided with a through hole running along the axial direction. The control module is installed in the through hole of the elastic mounting base. An inner peripheral surface of the elastic mounting base elastically abuts against an outer peripheral surface of the control module. The wires penetrate the through hole and parts of the wires are compressed between the control module and the elastic mounting base. Compared to the prior art wherein wires pass through separate holes, the invention has a simple assembly means, reduces the product defect rate, and improves the sensitivity of the electronic cigarette.

Abstract: A device for storing and vaporizing liquid media can comprise an annular liquid media storage tank and a heater configured to vaporize liquid stored in the annular liquid media storage tank.

Abstract: Presented herein is a compact air heat exchanger/heating element for use in a portable vaporizer. In one arrangement the heating element is a multi-layered ceramic element having multiple internal conductive layers that form resistors. The heating element may be manufactured utilizing Low-Temperature Co-Fired Ceramic (LTCC) and Printed Circuit Board (PCB) manufacturing processes.

Abstract: The disclosure relates to an improved method of enhancing nicotine concentrations in a gaseous carrier. The methods are adaptable to the delivery of nicotine for therapeutic effect in various diseases, in particular nicotine for tobacco product use cessation, substitution and/or harm reduction. The disclosure further relates various devices and device design principles for practicing these methods.

Abstract: The present invention relates to a liquid storage device for a cotton-free electronic cigarette, comprising a liquid storage cup for storing cigarette liquid, and a liquid percolation piece having a plurality of liquid percolation holes; wherein the liquid storage cup has a cylindrical shape, an inner wall of a liquid outlet end of the liquid storage cup is provided with at least two locking members, the liquid percolation piece has a circular edge which engages with an internal circumferential surface of the liquid outlet end of the liquid storage cup, the liquid percolation piece is inserted into the liquid outlet end of the liquid storage cup and is passed through the at least two locking members to be locked. The liquid storage device ensures the smooth supply of cigarette liquid and prevents cigarette liquid leakage. The liquid storage device of the present invention can be easily and efficiently assembled.