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.

A heater for an aerosol generating device includes a substrate and a plane heating element formed on one surface of the substrate, wherein the plane heating element includes an electrically conductive track pattern including a sensor seating region formed of a planar track on which an undersurface of a temperature sensor is configured to be seated.

A heater and a cigarette device having the heater is provided. The heater includes a base having a surface, an infrared electric-heating coating layer disposed on the surface of the base, and a conductor including a first conducting part and a second conducting part disposed on the surface of the base. Both of the first conducting part and the second conducting part are at least partially electrically connected with the infrared electric-heating coating layer. The first conducting part includes a first electric conducting spiral section, and the second conducting part includes a second electric conducting spiral section. A spacing between the first electric conducting spiral section and the second electric conducting spiral section is not zero. Through the first and second electric conducting spiral sections disposed on the surface of the base, a path of electric currents flowing through the infrared electric-heating coating layer of the base is shorter.

A heater system is provided, which includes a plurality of heaters, a controller for supplying power to the plurality of heaters, a plurality sets of auxiliary wires extending from the plurality of heaters, and a wire harness for connecting the plurality sets of auxiliary wires to the controller. Each set of auxiliary wires includes three wires, two of the three wires being made of different materials and being joined to form a thermocouple junction, such that each of the plurality of heaters is operable to function as both a heater and a temperature sensor.

An electric heating device comprises a housing with a partition wall which separates a connection chamber from a heating chamber for dissipating heat and from which at least one PTC heating element with a heater casing protrudes in the direction toward the heating chamber. The at least one PTC element and conductor tracks are supported in the heater casing in an insulated manner. The heater casing is sealed against the partition wall by way of a seal arranged in a receptacle of the partition wall circumferentially surrounding the heater casing. A press ring is arranged in the receptacle and surrounds the heater casing circumferentially, securing the seal in the receptacle. A method of forming such an electric heating device also is disclosed.

An electric heating device comprises a housing with a partition wall which separates a connection chamber from a heating chamber for dissipating heat and from which at least one PTC heating element with a heater casing protrudes in the direction toward the heating chamber. The at least one PTC element and conductor tracks are supported in the heater casing in an insulated manner. The heater casing is sealed against the partition wall by way of a seal arranged in a receptacle of the partition wall circumferentially surrounding the heater casing. A press ring is arranged in the receptacle and surrounds the heater casing circumferentially, securing the seal in the receptacle. A method of forming such an electric heating device also is disclosed.

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.

The invention provides a frame-type heating assembly, including a heating sheet and a reinforcing frame. The heating sheet includes a heating portion and a connecting portion that is connected to the heating portion and configured for electrical connection with an external circuit. The heating sheet and the reinforcing frame are arranged side by side to improve the strength of the heating sheet. The invention further provides a heating unit including the heating assembly, a liquid conducting member configured for conducting liquid to the heating assembly, and a cover. The invention further provides an atomization system including a housing and the heating assembly disposed in the housing. The side of the heating assembly where the heating sheet is located faces an inner wall of the housing. The reinforcing frame body plays a role in supporting the heating sheet, so that the strength of the heating sheet is improved.

The present disclosure provides an aerosol delivery device and a cartridge for an aerosol delivery device. In various implementations, the aerosol delivery device comprises a control device that includes an outer housing defining a cartridge receiving chamber, and further includes a power source and a control component, and a cartridge that includes a mouthpiece, a tank, a heating assembly, and a bottom cap. The mouthpiece defines an exit portal in an end thereof, and the tank is configured to contain a liquid composition therein. The cartridge is configured to be removably coupled with the receiving chamber of the control device, and the heating assembly defines a vaporization chamber and is configured to heat the liquid composition to generate an aerosol. An inlet airflow is defined by a gap between the cartridge and the control device that originates at an interface between an outer peripheral surface the mouthpiece and control device.

The present disclosure provides an aerosol delivery device and a cartridge for an aerosol delivery device. In various implementations, the aerosol delivery device comprises a control device that includes an outer housing defining a cartridge receiving chamber, and further includes a power source and a control component, and a cartridge that includes a mouthpiece, a tank, a heating assembly, and a bottom cap. The mouthpiece defines an exit portal in an end thereof, and the tank is configured to contain a liquid composition therein. The cartridge is configured to be removably coupled with the receiving chamber of the control device, and the heating assembly defines a vaporization chamber and is configured to heat the liquid composition to generate an aerosol. The heating assembly comprises a substantially planar heating member and a liquid transport element, wherein the heating member is installed in a bowed orientation.