Abstract: Provided is a cartridge assembly for containment of a vaporizable substance to be used in an electronic vaporizer device. The cartridge assembly includes a cartridge and a susceptor element. The cartridge includes a base section and a side section coupled to the base section at a first end of the side section. An aperture is defined at a second end of the side section and the side section includes at least two apertures located in the side section, where the at least two apertures are configured to allow air to flow into an interior chamber of the cartridge when air flows out of the aperture defined at the second end. The susceptor element is located within the cartridge.

Abstract: A smoking device comprising a longitudinal shell with a first cavity. A channel in said first cavity has a longitudinal shape and a peripheral wall, a top, a bottom defining a second cavity. The top and bottom of the channel are substantially open. Said first cavity comprises a compound member with an electrically conductive winding. The open top of the channel meets the outer surface of the shell, and the shell has an opening in its outer surface corresponding to the open top of the channel, thereby allowing ambient air to flow into said second cavity. When electrical current flows through the winding, the compound member generates heat and heats air flowing through said second cavity. Air flows through longitudinal holes inside the compound member, through grooves in the exterior of the compound member, air and passes through and heats the smoking material.

Abstract: An electronic vaporization device with activation protection is provided. The electronic vaporization device includes a heater for heating a vaporizable material and a compartment housing the vaporizable material, said compartment being thermally connected to the heater. The electronic vaporization device further includes a power source providing electric power to the heater, said electric power being converted to thermal power. The electronic vaporization device further includes two or more contact points disposed on the outside surface of the electronic vaporization device. The electric power is provided when the two or more contact points are physically connected to an object having a resistance within a predetermined range.

Abstract: An e-vapor apparatus may include a pod assembly including a pre-vapor formulation compartment, a first electrical connector, a vapor channel traversing the pre-vapor formulation compartment, and a vaporizer, the pre-vapor formulation compartment configured to hold a pre-vapor formulation therein and in fluidic communication with the vaporizer during an operation of the e-vapor apparatus, the first electrical connector including first and second power electrodes, the first power electrode including a first contact portion on an exterior of the first electrical connector and a first extended portion configured to contact an anode portion of the vaporizer, the second power electrode including a second contact portion on the exterior of the first electrical connector and a second extended portion configured to contact a cathode portion of the vaporizer. The e-vapor apparatus may further include a dispensing body including a second electrical connector configured to connect to the first electrical connector.

Abstract: A vapor provision system includes a reservoir defining a storage volume to hold aerosolizable substrate material; and an aerosolizable substrate material detection system including an optical source located externally of the reservoir and operable to emit light into the storage volume; an optical detector located externally of the reservoir and operable to detect light emitted by the optical source that has traversed an optical path through the storage volume; and a controller configured to determine a characteristic of light detected by the optical detector and deduce information regarding a depth of aerosolizable substrate material in the storage volume from the determined characteristic of the light.

Abstract: A steam generator is provided. The steam generator may include a steam chamber, a steam heater to supply heat into the steam chamber, a water supply, through which water to generate steam may be supplied into the steam chamber, one or more interference members disposed in the steam chamber to interfere with a flow of the water introduced through the water supply, and at least one discharge to discharge the steam generated in the steam chamber. The one or more interference members may be disposed under the at least one discharge and above the water supply.

Abstract: An aerosol generation device includes a case into which a cigarette is to be inserted; a protrusion pipe of a hollow shape protruding from one end portion of the case and having an opening; a heater installed in the case such that an end portion thereof is positioned inside the protrusion pipe, and configured to generate heat when an electric signal is applied thereto; and a heater fixing portion installed inside the protrusion pipe to support the heater and comprising a round surface that extends from an inner side surface of the protrusion pipe.

Abstract: Apparatus and methods are described for use with a portion of plant material that includes at least one active ingredient. A vaporizing unit includes a heating element configured to heat the plant material, and a sensor configured to detect an indication of airflow rate through the vaporizing unit. Control circuitry is configured to receive an indication of the airflow rate through the vaporizing unit, and, in response thereto, to determine a smoking profile that is desired by the user. The control circuitry drives the heating element to vaporize the active ingredient of the plant material by heating the plant material according to the determined smoking profile. The control circuitry dynamically updates the smoking profile in response to changes in airflow rate over the course of a smoking session. Other applications are also described.

Abstract: Device embodiments use a person's exhaled breath to distribute an evaporated, sublimated, or vaporized material. The disclosure provides non-powered devices that use evaporation or sublimation to create the vapor that is distributed and the disclosure provides devices with electric vaporizers which rapidly vaporize liquid scent materials for distribution. The scent can be designed as a masking or cover scent, an aromatic lure scent, a scent elimination material, a pleasant scent for freshening air in a room or automobile, or a repellant scent. The device can be worn as a mask or configured as a game call.

Abstract: An aerosol-generating system includes a plurality of cartridges and an aerosol-generating device. At least one cartridge of the plurality of cartridges includes a first aerosol-forming substrate, the plurality of cartridges are configured for selective connection to each other to form a cartridge assembly. The aerosol-generating device includes a storage including a second aerosol-forming substrate in the storage, an electric heater configured to heat a portion of the second aerosol-forming substrate from the storage section during use of the aerosol-generating system, and a power supply housing, the power supply housing including a power supply and a controller, the controller configured to control a supply of electrical power from the power supply to the electric heater, the aerosol-generating device being configured to receive the cartridge assembly at a downstream end of the aerosol-generating device.

Abstract: A system and method for tagging, tracking, locating and identifying people and vehicles transporting people using Perfluorocarbon tracers. An on-going problem faced by military as well as law enforcement personnel is that of friendly fire incidents. To prevent possible friendly-fire incidents, troops would separate the two layers of the uniform patch, thereby releasing a controlled release of the Perfluorocarbon vapors. Other “friendly” troops, equipped with sensors tuned to the specific perfluorocarbon characteristics would thus be able to literally view a plume around the tagged person or object. The system may conversely be used to tag enemies. Formulations of mixed perfluorocarbons may be used to provide coding of emissions.

Abstract: A cartridge is disclosed. The cartridge includes an inner tube extending longitudinally, wherein the inner tube defines a channel with a top end and a bottom end, including a liquid substance. The cartridge includes a heat producing component on the bottom end, configured to disperse heat received from a heating element of an inhalation device, wherein the heating element is configured to heat a pre-vapor formulation of the liquid substance to form a vapor. The cartridge includes an outer casing configured to house the inner tube. The outer casing includes a hexagon shaped mouthpiece, on a first end, configured with six air flow inlets. The outer casing includes a hexagon shaped casing connected to a second end, wherein the hexagon shaped casing is configured with at least six release holes.

Abstract: An aerosol generation device includes a case into which a cigarette is to be inserted; a protrusion pipe of a hollow shape protruding from one end portion of the case and having an opening; a heater installed in the case such that an end portion thereof is positioned inside the protrusion pipe, and configured to generate heat when an electric signal is applied thereto; and a heater fixing portion installed inside the protrusion pipe to support the heater and comprising a round surface that extends from an inner side surface of the protrusion pipe.

Abstract: A hair-styling appliance includes a first and second arm pivotably mounted between a spaced-apart and a closed configuration; a reservoir mounted on the first arm and intended for containing a fluid to be vaporised; a vaporisation device mounted on the first arm and configured for generating vapour; a fluid-conveying element attached to the reservoir and configured for conveying fluid contained in the reservoir to the vaporisation device. The reservoir is movably mounted between a vaporisation position in which the vaporisation device is configured for vaporising the fluid conveyed by the fluid conveying element and an inoperative position. The hair-styling appliance includes an actuating element mounted on the second arm and configured for moving the reservoir from the inoperative position to the vaporisation position when the first and second arms are moved from the spaced-apart configuration to the closed configuration.

Abstract: A vehicle cleaning system for cleaning a vehicle including a processor and a memory including computer-executable instructions that, when executed by the processor, cause the processor to perform operations. The operations include determining that a passenger compartment of the vehicle requires cleaning and identifying a type of cleaning required. The operations also include that at least one of a fragrance system, a dry particulate removal system, and a wet particulate removal system is activated in response to the type of cleaning required.

Abstract: A dry powder MOCVD vapor source system is disclosed that utilizes a gravimetric powder feeder, a feed rate measurement and feeder control system, an evaporator and a load lock system for continuous operation for thin film production, particularly of REBCO type high temperature superconductor (HTS) tapes.

Abstract: An article for use with an apparatus for heating aerosol generating agent to volatilize at least one component of the aerosol generating agent, the article including a support layer having a first surface, wherein at least a portion of the first surface is rough and an aerosol generating agent on the portion of the first surface that is rough.

Abstract: An aerosol generation device includes a case into which a cigarette is to be inserted; a protrusion pipe of a hollow shape protruding from one end portion of the case and having an opening; a heater installed in the case such that an end portion thereof is positioned inside the protrusion pipe, and configured to generate heat when an electric signal is applied thereto; and a heater fixing portion installed inside the protrusion pipe to support the heater and comprising a round surface that extends from an inner side surface of the protrusion pipe.

Abstract: [Object] To propose a novel and improved fragrance material holding member and fragrance providing device that can improve persistence of a fragrance material while avoiding an increase in the size of the device. [Solution] Provided is a fragrance material holding member including: an airflow passage through which air supplied from an airflow source passes, the airflow passage being provided to penetrate the fragrance material holding member; and a holding space that branches from the airflow passage and holds a fragrance material.

Abstract: An insulation useful in the field of building materials, refrigeration, cryogenics, and shipping. The insulation has reduced radiative heat transfer by applying coating to the insulation material in order to alter the emissivity, including the infrared electromagnetic spectrum.

Abstract: The present disclosure provides a heating element for an atomizer of an electronic cigarette. The atomizer defines an atomizing chamber and a liquid storing chamber for e-liquid refilling. The atomizer includes a heating element, which includes a heater, a liquid absorbent, and a solid-state protective layer. The solid-state protective layer is placed between the liquid absorbent and heater such that the e-liquid in the solid-state protective layer will be melted and absorbed by the liquid absorbent when the heater heats the solid-state protective layer under current drive.

Abstract: An aerosol-generating apparatus includes a mouthpiece, an aerosolizing thermal reactor, and an air preheating passage. The aerosolizing thermal reactor has an air inlet upstream of an aerosol outlet, and includes an aerosolizable substance chamber and a thermal distribution casing. The thermal distribution casing surrounds the aerosolizable substance chamber and includes a laminate material with an at least three-layer construction including a metal middle layer between a metal outer layer and a metal inner layer. The thermal conductivity of the metal inner layer is at least double that of each of the metal outer and inner layers. The air preheating passage is located downstream of the air inlet and upstream of the aerosolizable substance chamber, and surrounds the aerosolizable substance chamber. The air preheating passage is defined by an air gap between the chamber outer wall and the metal inner layer.

Abstract: A hunting vaporizing device selectively receives a vaporizer housing that carries vaporizable liquid configured to be vaporized up on exposure to a vaporizing element such as a heating coil wherein the resulting vapor is distributed with air flow from an airflow generator. The vaporizer housing can be disposable and readily replaceable. The replaceable vaporizing housing allows the user replace an empty device, switch scents, or place the device in storage without the risk of spilling the liquid material. The connection between the vaporizer housing and the base is either used to deliver the electric signal to activate the vaporizing element from a power supply carried by the vaporizer housing or, alternatively, the connection is used to selectively deliver the power for the vaporizing element from a power supply carried by the base. The electrical connection is disposed within the dock that receives the vaporizer housing.

Abstract: The aerosol-generating article includes a housing with a first end and a second end. The housing defining a cavity. A first volatile substrate is in a first frangible capsule, where the first frangible capsule is between the first end and a middle section of the housing. At least a portion of a pre-vapor formulation retention medium is between the first end and the middle section of the housing. The vapor-generating article is configured to be connected to an electrically-operated vapor-generating device, where the vapor-generating article is configured to allow air to be drawn through from the first end to the second end if a negative pressure is applied to the second end. The vapor-generating system includes the vapor-generating article.

Abstract: An airflow heating assembly, including a heating device (10) and a container (20), the heating device (10) being used for heating through-flowing air to produce a hot airflow, the container (20) being used for accommodating a raw material. The container (20) is arranged above the heating device (10), and a bottom portion of the container (20) is provided with air holes for maintaining airflow communication with the heating device (10). The heating device (10) includes an outer heating pipe (1) and an inner heating rod (2), the inner heating rod (2) is arranged in an inner cavity of the outer heating pipe (1), and an airflow heating space is formed between an outer wall of the inner heating rod (2) and an inner wall of the outer heating pipe (1).

Abstract: A power supply for an electronic cigarette includes a main body, a waterproof and breathable membrane and a pneumatic sensor. The main body is provided with an internal cavity in which the pneumatic sensor is mounted and a mounting part in which the external load is mounted; the mounting part is provided with an airflow passage communicated with the outside and the internal cavity; the waterproof and breathable membrane is mounted in the main body and covers the airflow passage. When the external load is mounted in the mounting part, an air channel inside the external load is communicated with the airflow passage; and when the pneumatic sensor senses that the airflow movement in the airflow passage reaches a preset threshold, the main body is triggered to control the external load.

Abstract: An electrically conductive plastic (ECP) material can be used to heat water in a reservoir of a respiratory humidifier to encourage heating and/or humidification of gases passing through the respiratory humidifier. The electrically conductive plastic material can at least in part overmould the base and/or walls of the chamber and/or the reservoir of the respiratory humidifier. The reservoir can also partially or fully be formed from the electrically conductive plastic material. Furthermore, the humidification system can be configured to create substantially equal or differential heating of water in the reservoir.

Abstract: A heating apparatus includes a heating element which converts electrical power to heat energy, a heatable element having a first surface and a second surface, and a dielectric laminate layer between the heating element and the first surface of the heatable element, wherein the dielectric laminate layer is thermally conductive to transfer heat energy from the heating element to the heatable element, and wherein the second surface of the heatable element is configured heat a liquid in a container.

Abstract: A steam generator is provided. The steam generator may include a steam chamber, a steam heater to supply heat into the steam chamber, a water supply, through which water to generate steam may be supplied into the steam chamber, one or more interference members disposed in the steam chamber to interfere with a flow of the water introduced through the water supply, and at least one discharge to discharge the steam generated in the steam chamber. The one or more interference members may be disposed under the at least one discharge and above the water supply.

Abstract: An atomization module of electronic cigarette, the module including: an end cover; a seal ring; a meshed heating disc; an e-liquid conducting cotton including a surface; and a support. The e-liquid conducting cotton is loaded on the support. The meshed heating disc is disposed on the surface of the e-liquid conducting cotton. The end cover is embedded in the support, which facilitates the cooperation of the meshed heating disc and the e-liquid conducting cotton. The seal ring is disposed on the end cover.

Abstract: Method and apparatus for recovering a material by vaporization is disclosed. The method includes providing a heat transfer fluid to a liquid section of a vessel, injecting a material having a first component and a second component into the heat transfer fluid, the first component having a first volatility and the second component having a second volatility greater than the first volatility, circulating the heat transfer fluid from the liquid section to a heat exchanger, heating the heat transfer fluid to a temperature selected to vaporize at least a portion of the second component to a vapor section of the vessel, recovering the vaporized second component from the vapor section of the vessel, and circulating at least a portion of the heat transfer fluid from the from the heat exchanger through the vapor section of the vessel.

Abstract: The invention relates to an oven comprising an oven cavity (10) with a closable opening (12) for receiving food to be cooked or baked, an evaporation cavity (26) in a bottom wall (24) of the oven cavity (10) and an evaporation heating element (28) being arranged for heating the evaporation cavity (26). According to the invention the evaporation cavity (26) is formed as an embossment in the bottom wall (24) of the oven cavity (10) and the heating power of the evaporation heating element (28) is adapted to evaporate a volume of water to be evaporated that corresponds to the volume of such an embossment.

Abstract: The present invention discloses an aerosol generator, an electronic cigarette, and a detachable atomizing device. The aerosol generator includes a housing, a storage chamber, a heating device, and an aerosol discharging channel. The storage chamber is formed in the housing and configured for storing an aerosol forming substance. The heating device is disposed in the housing and configured for heating the aerosol forming substance to generate aerosol. The aerosol discharging channel is configured for discharging aerosol generated by the aerosol forming substance to the outside of the housing. The heating device includes a quartz glass body and a heating element. The heating element is encapsulated inside the quartz glass body, and the heating element is capable of generating thermal radiation and infrared radiation outwardly through the quartz glass body to heat the aerosol forming substance.

Abstract: One feature pertains to a handheld vaporization apparatus that includes a heating element and a housing that encases the heating element. The housing includes a first end having an opening that allows heated air provided by the heating element to exit out through the first end. The housing further includes one or more air ducts on an outer surface of the housing, where the one or more air ducts allow ambient air outside the housing to enter into the housing and flow past the heating element so as to be heated by the heating element. In one example, the housing's first end has a semi-ovoid shape that presses against and seals a hemispherical-shaped bowl. In another example, the housing's first end includes an elastic ring that surrounds the opening and presses against the inner surface of the bowl to create a substantially airtight seal.

Abstract: The aerosol-generating article is capable of being used with an electrically-operated aerosol-generating device. The aerosol-generating article is a consumable article having an outlet end, a distal end upstream from the outlet end, and a mid-point located an equal distance between the outlet end and the distal end. The article includes a first volatile liquid substrate contained within a first frangible capsule, the frangible capsule being located between the distal end and the mid-point, and a second volatile liquid substrate contained within a second frangible capsule, the second frangible capsule being located between the distal end and the mid-point. The article also includes a liquid retention medium, at least a portion the liquid retention medium being located between the distal end and the mid-point, wherein the article is configured to allow air to be drawn through the article from the distal end to the outlet end.

Abstract: A fragrance delivery element may be configured to generate one or more vortices as air flows therethrough. The fragrance delivery element may include one or more airflow apertures, each of which may be configured to receive airflow and convert the airflow to a vortex. As air flows through each airflow aperture and past the fragrance delivery element, fragrance is emitted into the air. Emission of the fragrance may occur without heating the fragrance delivery element or the fragrance. The creation of at least one vortex may extend the distance fragrance is thrown from the fragrance delivery element. Methods and systems for dispersing fragrance are also disclosed.

Abstract: An aerosol delivery device is provided that includes a housing, heating element, communication interface and microprocessor. The heating element may to activate and vaporize components of an aerosol precursor composition in response to a flow of air through at least a portion of the housing, with the air being combinable with a thereby formed vapor to form an aerosol. The communication interface may effect a wireless, proximity-based communication link with a computing device. And the microprocessor may be coupled to the communication interface, may control at least one functional element of the aerosol delivery device based on a state of the proximity-based communication link, or in response to a trigger signal received from the computing device over the proximity-based communication link.

Abstract: A charger for an aerosol delivery device is provided. The aerosol delivery device includes a control body equipped with a power source, and a cartridge equipped with a heating element and containing an aerosol precursor composition. The control body is coupled or coupleable with the cartridge to form the aerosol delivery device. The charger comprises a housing, a connector and a power supply from which the power source is rechargeable when the charger is engaged with the control body. The connector is coupled to the housing and configured to engage the charger with the control body. The power supply comprises a photovoltaic cell configured to convert light energy to electrical energy and generate a corresponding voltage output, and a buck converter configured to step down the corresponding voltage output to a lower voltage from which the power source is rechargeable.

Abstract: A steam generator is provided. The steam generator may include a steam chamber, a steam heater to supply heat into the steam chamber, a water supply, through which water to generate steam may be supplied into the steam chamber, one or more interference members disposed in the steam chamber to interfere with a flow of the water introduced through the water supply, and at least one discharge to discharge the steam generated in the steam chamber. The one or more interference members may be disposed under the at least one discharge and above the water supply.

Abstract: The invention relates to an inhaler component for forming a vapor-air mixture and/or condensation aerosol by vaporizing a liquid material and optionally condensing the vapor formed, including: a heating element for vaporizing a portion of the liquid material; a wick for automatically supplying the liquid material to the heating element, wherein the wick includes at least two end sections arranged apart from each other; a first capillary gap for automatically supplying the liquid material to the wick, wherein a first end section of the wick projects into the first capillary gap. In order that the heating element can be supplied more quickly and more reliably with the liquid material, a second capillary gap is provided, which receives therein the second end section of the wick.

Abstract: An electronic cigarette having a function for detecting the operating voltage and current of an atomiser. A microcontroller (102) detects the operating voltage or/and the operating current of an atomiser, and when the operating voltage or/and the operating current exceeds a threshold value, a switch circuit (103) is disconnected, so that a battery rod ceases to supply power to the atomiser, and a power supply circuit (101) of the battery rod and the atomiser is disconnected, thereby having the effect of protecting the atomiser. In addition, power supply voltage and current mismatching between the atomiser and the battery rod is prevented, said mismatching causing operational irregularities such as the amount of vapor atomised by the atomiser being unstable, and burning. The switch circuit (103) has a simple and clever structure, costs are low, and reliability is high.

Abstract: A cartridge for a microfluidic delivery system is defined by a longitudinal axis. The cartridge includes a reservoir for containing a fluid composition. The cartridge also includes a nozzle operatively connected with the reservoir. The nozzle is in fluid communication with the reservoir for releasing the fluid composition. The cartridge includes an outer cover operatively connected with the reservoir. The outer cover comprises an orifice that is adjacent to the nozzle. An air flow path is formed by a gap between the reservoir and the outer cover.

Abstract: An aroma-diffusing heating device includes a heating base, and an aroma capsule detachably accommodated in the heating base and heatable by the heating base to give off fragrance. The aroma capsule includes a heat-transfer container defining a top opening, an aromatic substance held in the heat-transfer container, and a breathing film bonded to the heat-transfer container in the top opening of the heat-transfer container. The breathing film has open spaces defined therein.

Abstract: Provided are systems and methods for humidifying gas to be provided to a patient utilizing heating of an aerosolized mist. A humidification unit (201a) is provided a patient circuit (209) that provides gas to a patient. The humidification unit includes a liquid chamber (303) that receives liquid from a liquid source (203), a nebulizer (305) that nebulizes liquid from the liquid chamber, an aerosol chamber (307) that receives aerosolized liquid from the nebulizer, and a heat source (309a) that converts the aerosolized liquid into a vapor that humidifies gas in the patient circuit.

Abstract: The present disclosure relates to a cartridge for an aerosol delivery device such as a smoking article. The cartridge may include a base, a reservoir substrate, and an atomizer. The reservoir substrate may define a cavity therethrough. The atomizer may comprise a liquid transport element and a heating element extending at least partially about the liquid transport element. The atomizer may extend through the cavity through the reservoir substrate such that the heating element is positioned proximate an end of the reservoir substrate. Ends of the liquid transport element may extend to an opposing end of the reservoir substrate. A related method for assembling a cartridge for a smoking article is also provided.

Abstract: An air freshener is configured to be carried by a power outlet of an automobile. The air freshener includes a scent capsule disposed in a housing. A heat source is disposed in the housing adjacent and opposing a permeable membrane of the scent capsule. The heat source is configured to heat the fragrant material in the scent capsule and accelerate permeation of the fragrant material through the permeable membrane of the sent capsule. A hatch is pivotally coupled to the housing and substantially contained within a hatch cavity with an outer surface that is substantially flush with an exterior of the housing in a closed position. The hatch can include a capsule cavity therein, carrying the scent capsule, and facing an interior of the housing in the closed position.

Abstract: Device for packaging and dispensing a cosmetic composition, and associated dispensing method This device (10) for packaging and dispensing a cosmetic composition, which comprises: a housing (12) capable of being grasped by a user of the device (10); a reservoir (14) contained in the housing (12), the reservoir (14) being intended to contain a cosmetic composition, the cosmetic composition comprising at least one active substance; an assembly (16) for heating the cosmetic composition capable of vaporizing the cosmetic composition de la composition; a control member (18) able to control the heating assembly (16); is characterized in that it has a driving member (22) capable of moving the vaporized cosmetic composition out of the device (10), the control member (18) being able to control the heating assembly (16) so that the vaporized cosmetic composition driven out of the device (10) by the driving member (22) permanently has a temperature less than 70° C.

Abstract: An angle-adjustable aroma diffuser includes a housing defining opposing first opening and second opening, a aroma container mounted in the housing, a resistor attached to the bottom side of the aroma container, an aroma device put in the aroma container, and an electric plug pivotally coupled to the second opening of the housing and electrically connected with the resistor and connectable to an external power socket for conducting electricity to the resistor to produce heat so that the aroma container can transfer produced heat to the aroma device, causing the aroma device to give off a pleasant smell.

Abstract: Disclosed is an appliance for volatilizing active substances in either herbal material or fluid extract for inhalation, including a material vaporization surface with a plurality of convective air flow apertures, a conductive heater and a convective heater.

Abstract: Provided is a vaporizer that can efficiently cool a carrier gas, improve the effect of preventing a material from being clogged near the outlet port of a gas passage, contribute to prolonging the timing of maintenance and improving operating efficiency, and exert more uniform dispersing effect. A vaporizer includes: a center rod inserted into a carrier gas introduction hole formed in a disperser to form the gas passage in cooperation with the inner wall of the carrier gas introduction hole; a cooling part disposed on the outer circumferential side of the carrier gas introduction hole in the disperser to cool the inside of the gas passage; a cooling member insertion hole formed across almost the entire length of the center rod along the axial direction of the center rod; and a cooling member disposed in the inside of the cooling member insertion hole to cool the center rod.