Abstract: A heating assembly and an aerosol generation device are provided. The heating assembly includes a tubular body having a cavity. A near end of the tubular body is open and used for allowing an aerosol forming substrate to enter the cavity. The tubular body has a heating area and a blank area. A part of the heating area and a part of the blank area are arranged to surround a periphery of the aerosol forming substrate. A temperature and/or temperature rising speed of the blank area is lower than a temperature and/or temperature rising speed of the heating area. A near end of the heating area is closer to the near end of the tubular body than a far end thereof. The far end of the heating area and a far end of the tubular body are spaced apart from each other in a longitudinal direction of the tubular body.

Abstract: A vapor generation device includes a housing. The housing includes a near end and a far end opposite to each other in a length direction, the near end being provided with a first opening, and the far end being provided with a second opening. The housing is internally provided with: a cavity, located between the first opening and the second opening; and a heater, extending in an axial direction of the cavity and surrounding at least a part of the cavity, and configured to heat an inhalable material received in the cavity, at least a part of the heater close to the far end including an inner diameter-reduced region, to provide a stop for the inhalable material received in the cavity during use. In the foregoing vapor generation device, an inner diameter-reduced part of the heater abuts against the inhalable material to provide support.

Abstract: An e-cigarette, an e-cigarette vaporizer, and a vaporization assembly are provided. The e-cigarette vaporizer includes: a liquid storage cavity, configured to store a liquid substrate; a porous body, in fluid communication with the liquid storage cavity to absorb the liquid substrate; and a heating element, including a first electrode connection portion, a second electrode connection portion, and a resistance heating trajectory extending between the first electrode connection portion and the second electrode connection portion. A curvature of any position on a part of the resistance heating trajectory close and connected to the first electrode connection portion and/or the second electrode connection portion is not zero. The heating element of the e-cigarette vaporizer adopts the resistance heating trajectory to perform heating, and causes a part of the resistance heating trajectory that is close and connected to an electrode connection portion to be in a bending shape whose curvature is not zero.

Abstract: The present application provides an aerosol producing article and an aerosol generating system comprising the aerosol producing article. The aerosol producing article comprises: an aerosol-forming matrix and an external wrapping part; the external wrapping part comprises a first portion, and at least a part of the extension length of the first portion along the axial direction of the aerosol producing article coincides with the extension length of the aerosol-forming matrix; the outer surface of the first portion is provided with a plurality of holes penetrating through the external wrapping part. The above aerosol producing article has optimized infrared transmittance, and can promote the utilization efficiency of infrared rays when infrared heating is used.

Abstract: The present application discloses a heater and a smoking set including the heater. The heater includes: a base, having an inner surface and an outer surface; an infrared radiation layer, formed on the surface of the base; the infrared radiation layer is configured to generate infrared rays and at least heat an aerosol-forming matrix by radiation; a heating body arranged at the periphery of the base, and used to receive electric power from a power supply to generate heat. The heating body is configured to transfer the heat to heat the infrared radiation layer to generate the infrared rays. According to the present application, the infrared radiation layer is heated up by the heating body so that the infrared radiation layer generates infrared radiation to heat the aerosol-forming matrix, thereby reducing the preheating time of the aerosol-forming matrix and improving the user experience.

Abstract: A vapor generation device and a susceptor thereof are disclosed. The susceptor is in a blade shape extending in an axial direction of a cavity, and includes: a first part having a first size in a thickness direction, and a second part having a second size in the thickness direction, the second size being greater than the first size. An accommodation cavity extending in the axial direction is further arranged in the second part, and the accommodation cavity is configured to accommodate or encapsulate a temperature sensor that senses a temperature of the susceptor. The vapor generation device and the susceptor of this application encapsulates or accommodates the temperature sensor in the susceptor. Hence, a sensing part may be basically insulated from the impact of the magnetic field, and the susceptor and the temperature sensor may be integrated to increase stability of mounting and accuracy of temperature detecting.

Abstract: A hybrid heating device and an aerosol-generating include an airflow heater, located upstream of an aerosol substrate, and configured to heat an airflow flowing to the aerosol substrate; a compensation heater, arranged in a staggered manner from an upstream section of the aerosol substrate, and configured to heat the aerosol substrate; and a connecting pipe, configured to accommodate at least the upstream section of the aerosol substrate. The compensation heater is located behind the upstream section of the aerosol substrate, and heat generated by the compensation heater can increase the temperature of the aerosol substrate of the corresponding section, so that the temperature of the airflow heated by the airflow heater can be prevented from decreasing. It is ensured that the airflow heated by the airflow heater continues to bake the aerosol substrate outside of the upstream section, to make the aerosol substrate generate a sufficient amount of volatiles.

Abstract: An atomization core assembly and a manufacturing method therefor, and an aerosol generation device are provided. The atomization core assembly includes a porous liquid guide body for absorbing and transferring a liquid substrate. The porous liquid guide body includes a liquid absorbing surface and an atomization surface opposite to each other in a longitudinal direction. and a side surface connected between the liquid absorbing surface and the atomization surface. The atomization core assembly further includes a heating element used as a resistive heating trajectory and extending on the atomization surface: and conductive leads connected to two ends of the heating element. A part of the conductive lead is embedded in the porous liquid guide body, and another part of the conductive lead extends away from the porous liquid guide body from the side surface in a direction substantially parallel to the atomization surface.

Abstract: A smoking article comprises a smoke generating section, having a tube wall and a tube cavity; the tube cavity being configured to contain the aerosol-forming matrix; an infrared radiation layer, being formed on at least part of the inner surface of the tube wall; the infrared radiation layer being configured to be heated by the smoking set to generate infrared rays and at least heat the aerosol-forming matrix by radiation. The infrared radiation layer is arranged on the inner surface of the tube wall, so that the infrared radiation layer is heated by the smoking set to generate infrared rays and at least heat the aerosol-forming matrix by radiation. The infrared rays have relatively long wavelength, and they can penetrate substance and “resonate” with molecules and atoms inside the substance and produce strong vibration and rotation, so that the temperature of the substance rises to achieve the purpose of heating.

Abstract: An aerosol-generating device comprises an infrared emitter and an electric core for supplying power to the infrared emitter, the infrared emitter comprises at least one first infrared emission region and at least one second infrared emission region arranged in sequence along the circumferential direction of the chamber; the first infrared emission region and the second infrared emission region are independently activatable to independently radiate infrared rays into the chamber to heat different portions of the smokable material. In the above aerosol-generating device, the regions of the smokable material receiving chamber which are different along the circumferential direction correspond to the first infrared emission region and the second infrared emission region, respectively, and can be independently heated by the first infrared emission region and the second infrared emission region, respectively, in use, so that the smokable material can be gradually heated from part to whole in use.

Abstract: An atomizer and an electronic atomization device are provided. The atomizer includes a housing, a frame, a capillary element and a heating element. The housing defines a liquid storage cavity for storing a liquid substrate. The frame is disposed in the housing and includes a liquid channel, an accommodating groove, and a vent groove recessed from a part of an inner side surface of the accommodating groove. The liquid channel is communicated with the liquid storage cavity and the accommodating groove. The capillary element is disposed in the accommodating groove, and receives and stores the liquid substrate from the liquid storage cavity through the liquid channel. The heating element is bond to a surface of the capillary element. A part of the heating element is exposed in the vent groove, so that the aerosol generated by the heating element heating the liquid substrate can be released into the vent groove.

Abstract: A ceramic heating body, an atomizer, and an aerosol generating apparatus are provided. The atomizer includes a housing; a porous liquid guide element, divided into two sections in a longitudinal direction, where an outer diameter of the first section is less than an outer diameter of the second section; a heating element, fixed on the porous liquid guide element; a bracket, where the porous liquid guide element is accommodated in an accommodating cavity of the bracket; and a first sealing element, where at least a part of the first sealing element surrounds an outer side surface of the second section. The first sealing element is arranged surrounding the outer side surface of the second section, to provide a seal between an inner wall surface of the accommodating cavity of the bracket and the outer side surface of the second section, thereby preventing leakage of a liquid substrate.

Abstract: A heating device, used for heating an aerosol generating substrate to form an aerosol, comprises a heating body, wherein the heating body comprises a base body configured to have a chamber for receiving at least part of the aerosol generating substrate and further comprises an infrared radiation coating formed on the outer surface of the chamber and used for generating infrared rays after a temperature rise and transmitting energy to the aerosol generating substrate in the chamber at least in an infrared radiation manner, so that at least one component in the aerosol generating substrate is volatilized to form an aerosol, wherein the surface roughness of the outer surface of the chamber is greater than the surface roughness of the inner surface of the chamber. A rough surface is formed at an interface between the outer surface of the base body and the infrared electrothermal coating.

Abstract: A heater and a cigarette utensil are provided. The heater includes: a base body; an electrically conductive coating, including a first electrode and a second electrode formed to be spaced apart on a surface of the base body; and an electric heating coating formed on the surface of the base body. Each of the first electrode and the second electrode includes a first portion and a second portion. The first portion of the first electrode and the first portion of the second electrode are both at least partially covered by the electric heating coating to be located between the surface of the base body and the electric heating coating, and are electrically connected to the electric heating coating. The second portion of the first electrode and the second portion of the second electrode are both exposed from the surface of the base body.

Abstract: A porous body, an atomizer, and an electronic atomization device are provided. The atomizer includes: a liquid storage cavity for storing a liquid substrate; a porous body in fluid communication with the liquid storage cavity to receive the liquid substrate; and a heating element bonded to the porous body to heat at least part of the liquid substrate in the porous body to generate an aerosol. A volume of micropores in the porous body having a pore size greater than 30 ?m accounts for 40% or more of a volume of all micropores in the porous body.

Abstract: Provided is an aerosol generation device, the aerosol generation device comprising a chamber for receiving at least some of a smokable material; a magnetic field generator configured to generate a varying magnetic field; a susceptor configured to be penetrated by the varying magnetic field so as to generate heat, thereby heating the at least some smokable material received in the chamber; and a circuit configured to determine the temperature of the susceptor by acquiring a resistance value of the at least some of the material on the susceptor and on the basis of the resistance value. According to the aerosol generation device of the present application, the temperature of the susceptor is determined by measuring the resistance of the susceptor, and compared with a temperature measuring mode using a temperature sensor, production and preparation are more convenient and rapider, and the temperature measuring effect is more accurate.

Abstract: A porous heating body includes a porous body having a first porous portion, a second porous portion and a third porous portion successively disposed in the porous body along a lengthwise direction of the porous body. A cross-sectional area of the first porous portion and a cross-sectional area of the third porous portion are both larger than a cross-sectional area of the second porous portion along a widthwise direction of the porous body. A heating element extends along the lengthwise direction of the porous body is disposed on the porous body. The heating element includes a heating portion. At least one portion of an extension length of the heating portion is overlapped with an extension length of the second porous portion. The porous body is shaped to enhance conductivity of liquid tobacco in a middle thereof, and storing liquid tobacco for replenishing at two bulge ends thereof.

Abstract: This application provides an aerosol generation device and a susceptor for an aerosol generation device. The aerosol generation device includes: a cavity, configured to receive an aerosol generation product; a susceptor, at least partially extending in the cavity, and configured to be penetrated by a changing magnetic field to produce heat, to heat the aerosol generation product; and an induction coil, arranged in the susceptor, and generate the changing magnetic field. In the above aerosol generation device, the induction coil is accommodated and encapsulated in the susceptor, which is conducive to miniaturization of the device.

Abstract: A cigarette heater, comprising a heating assembly and a heat insulation assembly used for insulating the heating assembly; the heating assembly comprises a longitudinal heating cavity used for accommodating a cigarette and a heating body used for heating the cigarette; the heat insulation assembly comprises an anisotropic material layer sleeved outside the heating assembly, the thermal conductivity coefficient of the anisotropic material layer in the radial direction being lower than the thermal conductivity coefficient thereof in the axial direction, being used for reducing the thermal conduction of the heat in the heating cavity along the radial direction toward the periphery. By means of arranging the anisotropic material layer outside the heating assembly, the present cigarette heater isolates the heat transfer in the radial direction and also converts the direction of conduction to a dispersed transfer toward the axial direction, reducing the radially outward heat transfer.

Abstract: An atomizer and an electronic cigarette are provided. The atomizer comprises an outer housing, and an e-liquid storage chamber and an atomization assembly are disposed in the outer housing. The atomization assembly comprises a porous element and a heating element. The porous element comprises an e-liquid absorbing surface. A bubble guiding element opposite to the e-liquid absorbing surface is further provided in the outer housing, and comprises a bubble guiding surface opposite to the e-liquid absorbing surface. At least a portion of the bubble guiding surface is obliquely configured in a direction facing away from the e-liquid absorbing surface, such that bubbles emerging from the e-liquid absorbing surface of the porous element are guided toward the direction facing away from the e-liquid absorbing surface.