The invention relates to a device for heating a fluid (2), comprising a heating body (4) having a through passageway (6, 8) for the fluid and provided with at least one groove (14) on its outer surface; at least one electrical resistance (24) housed in the at least one groove (14) of the heating body. The device further comprises at least one closure plate (20) of the at least one groove (14) overlying the at least one resistance (24).

An air and/or aerosol heater (10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, 140, 150), especially for an e-cigarette, includes a tube (11, 21, 31, 34, 35, 41, 51, 61, 71, 81, 91, 101, 111, 121, 131, 141, 151), in which air and/or aerosol can be heated, and includes a resistor element (12, 22, 32, 42, 52, 62, 72, 82, 92, 102, 112, 122, 132, 142, 152) arranged on the outer surface of the tube (11, 21, 31, 34, 35, 41, 51, 61, 71, 81, 91, 101, 111, 121, 131, 141, 151) or on the inner surface of the tube (11, 21, 31, 34, 35, 41, 51, 61, 71, 81, 91, 101, 111, 121, 131, 141, 151). The resistor element (12, 22, 32, 42, 52, 62, 72, 82, 92, 102, 112, 132, 142, 152) is fixed on the tube (11, 21, 31, 34, 35, 41, 51, 61, 71, 81, 91, 101, 111, 121, 131, 141, 151).

According to one aspect, a wax warmer includes a body to support a reservoir adapted to receive a wax melt. The wax warmer also includes a heater having a first heating state to heat the wax melt from a first temperature below a melting point of the wax melt to a second temperature above the melting point of the wax melt in a predetermined amount of time. The heater has a second heating state to substantially maintain the wax melt within a temperature range above the melting point of the wax melt.

A heating method of a vaporizer includes: obtaining, in real time, a sampling value of a thermal property of a heating element in the vaporizer upon detecting a trigger operation; determining, at a current moment, whether the vaporizer reaches thermal equilibrium according to the sampling value obtained; upon determining that the vaporizer reaches thermal equilibrium, taking the sampling value of the thermal property of the heating element when thermal equilibrium is reached as a stable value, controlling a difference value between the sampling value of the heating element and the stable value to be within a first range, and obtaining a first output power of the vaporizer in real time; and stopping heating the heating element when the first output power is less than a first power threshold.

The present disclosure relates to aerosol delivery devices comprising a power unit and a cartridge that is configured for engagement with the power unit. In particular, the cartridge can be configured for rotation about a longitudinal axis thereof so as to be insertable into a chamber of the power unit in a plurality of different orientations. Further, the aerosol delivery device can include processing circuitry that can be configured for detection of the cartridge orientation and execution of a control function assigned to the respective orientation.

A wax warmer includes a reservoir for receiving a wax melt, a housing defining an interior volume and configured to receive the reservoir, and a hermetically sealed heater engine positioned within the interior volume and in thermal contact with the reservoir.

An aerosol-generating system includes a liquid-storage portion configured to hold a liquid aerosol-forming substrate, a first electrode, a second electrode, and a control system. The second electrode is spaced from the first electrode. At least a portion of the liquid storage portion is arranged between the first electrode and the second electrode. The control system is configured to measure an electrical quantity between the first electrode and the second electrode, and detect a draw on the aerosol-generating system based on the measured electrical quantity information.

Devices and methods are described for preparing, managing, and/or administering metered doses of substances for vaporized administration. In some embodiments, dose cartridges comprising at least one botanical substance include a heating element integrated into the cartridge in close contact with the botanical substance. In some embodiments, cartridge-mounted doses are stored in a magazine, optionally in carousel form, before use. Transport of a cartridge from a magazine to an electrically operated vaporizing chamber which activates the heating element is provided by a mechanical pickup means.

An atomizer of electronic cigarette, ceramic heating atomizing core and ceramic heater are provided. The ceramic heater is configured to atomize liquid to form aerosol. The ceramic heater includes a ceramic body and a heating element, the ceramic body includes a wall having an inner surface and an outer surface, the wall defining a plurality of through holes passing through the inner and outer surfaces to release the aerosol. The heating element is formed on one of the inner and outer surfaces of the ceramic body. The ceramic heater of the present disclosure could heat overall and the aerosol could be release in time, the atomization efficiency of the ceramic heater could be increased.

A device having a first chamber for filtering smoke or vapor prior to inhalation of the smoke or vapor. A second chamber contains a substance to be heated or burned. A heating or burning plate is configured to heat or burn the contained substance to produce the smoke or vapor and a stirring component is configured for stirring and redistributing the substance while being heated or burned. A one-way valve passes the smoke or vapor in one direction, from the second chamber to the first chamber and prevent leakage of the smoke or vapor within the first chamber.