H05B2203/021

Soft switching in an aerosol delivery device
11470689 · 2022-10-11 · ·

An aerosol delivery device is provided that includes a voltage regulator circuit, switching arrangement and processing circuitry. The voltage regulator circuit is coupled between a power source and a load including an aerosol production component, and configured to provide an output voltage in which voltage provided by the power source is regulated. The switching arrangement includes a first switch with first and second inputs coupled to respectively the voltage regulator circuit and ground, and an output coupled to the second switch; and a second switch coupled to and between the voltage regulator circuit and the load. The processing circuitry is configured to output a signal to cause the first switch to switchably connect the output voltage to the second switch and ground, and thereby cause the second switch to switchably connect and disconnect the output voltage to the aerosol production component to power the aerosol production component to produce aerosol.

Personal vaporizer with breach detection
11622583 · 2023-04-11 ·

The present disclosure describes a personal vaporizer which can detect whether or not a cartridge of the personal vaporizer has been breached. The cartridge includes a conductive shell. The conductive shell can include two or more conductors which are electrically isolated from each-other. Prior to operation, the personal vaporizer can use the two or more conductors to assess whether or not an outer shell of the cartridge has been breached. In some implementations, if it is determined that the cartridge has been breached, the personal vaporizer can shut down, or otherwise fail to operate normally.

FLEXIBLE HEATER AND ELECTRONICS

A heater for an aerosol-generating device is provided, the heater including: a flexible electrically insulating substrate including a first portion, a second portion, and a fourth portion, in which the flexible electrically insulating substrate is rolled into a tube; control electronics disposed on the first portion of the flexible electrically insulating substrate; a heating element including an induction coil and being disposed on the second portion of the flexible electrically insulating substrate; and a susceptor element arranged on the fourth portion of the flexible electrically insulating substrate. An aerosol-generating device is also provided, including a cavity to receive an aerosol-generating article including an aerosol-forming substrate, and the heater. A system is also provided, including the aerosol-generating device and the aerosol-generating article including the aerosol-forming substrate.

CARTRIDGE FOR PUMP-OPERATED AEROSOL-GENERATING SYSTEM
20220322491 · 2022-10-06 · ·

An electrically operated aerosol-generating system may include a reservoir configured to hold a liquid aerosol-forming substrate, an atomizer assembly configured to vaporize the liquid aerosol-forming substrate to form an aerosol, and a pump configured to convey the liquid aerosol-forming substrate from the reservoir to the atomizer assembly. The reservoir may include a substantially rigid housing and an inlet valve that is configured to allow air into the reservoir based on a pressure difference between an interior of the housing and an exterior of the housing exceeding a threshold pressure difference. This improves the reliability and efficiency of delivery of liquid to the wick. The system may further include a robust reservoir that is configured to at least partially mitigate liquid leakage between the reservoir interior and the reservoir exterior.

AEROSOL PROVISION SYSTEMS
20220312854 · 2022-10-06 ·

An aerosol provision system comprising: an electric heater for generating an aerosol from an aerosol generating material for user inhalation, wherein the electric heater comprises a first portion comprising a first electrically resistive material and a second portion comprising a second electrically resistive material which is different from the first electrically resistive material, and wherein the first portion and the second portion are connected together so that the electric heater comprises a thermocouple junction; and control circuitry configured to make measurements of temperature for the electric heater using the thermocouple junction.

Heater Assembly

A heater assembly for an aerosol generating device includes a flexible heating element; a temperature sensor; and a flexible dielectric backing film with an adhesive on a surface of the flexible dielectric backing film, wherein the temperature sensor and the flexible heating element are supported adjacent to each other on the adhesive on the surface of the flexible backing film. The heater assembly allows for a more precise measurement of the heater temperature to be obtained while simplifying the assembly process.

HEATING ASSEMBLY AND ATOMIZATION DEVICE

The present disclosure provides a heating assembly and an atomization device. The atomization device includes an oil guiding member and a heating member. The oil guiding member has a through hole cutting through the oil guiding member. The through hole is configured to guide atomized gas generated on the oil guiding member out of the oil guiding member. The oil guiding member includes a connecting part. The connecting part is located in the through hole. The connecting part spans the through hole along a radial direction of the through hole. The heating member is embedded in one end of the oil guiding member. At least part of the heating member is located on the connecting part. The heating member is used for heating the oil guiding member, so that the liquid to be atomized is atomized on an end face of the oil guiding member close to the heating member.

VAPORIZER AND CERAMIC VAPORIZATION CORE THEREOF AND METHOD FOR FABRICATING CERAMIC VAPORIZATION CORE
20220312844 · 2022-10-06 ·

A ceramic vaporization core includes: a porous body; and a heating body disposed on the porous body. The porous body includes at least one porous ceramic layer doped with a hydroxyl group-containing matrix. In an embodiment, the porous ceramic layer doped with the hydroxyl group-containing matrix includes components in parts by weight as follows: 35 to 55 parts by weight of a ceramic powder doped with a hydroxyl group compound; and 25 to 45 parts by weight of a pore-forming agent.

INNER PIPE FOR LIQUID HEATING APPARATUS, AND LIQUID HEATING APPARATUS AND MANUFACTURING METHOD THEREFOR
20220316757 · 2022-10-06 ·

The present invention discloses an inner pipe for a liquid heating apparatus, including a hollow pipe body made of a metal or an alloy, where a pipe wall thickness of the pipe body is 0.3-1.0 mm; through a machining method of rolling or pressing, a spiral diversion structure is machined on an inner peripheral wall of the pipe body along an axial direction of the pipe body, so that the spiral division structure is formed to extend along the axial direction of the pipe body. The present invention further discloses a liquid heating apparatus and a manufacturing method therefor. The liquid heating apparatus includes the inner pipe and the outer pipe; a heating assembly is disposed on the outer peripheral wall of the outer pipe.

HEATING DEVICE AND METHOD OF MANUFACTURING A HEATING DEVICE

A heating device comprises a tubular carrier with an outside and an inside, an insulating layer on the outside of the carrier, heating conductors, conductor tracks, and contact fields on the insulating layer, and a connection device for an electrical connection of the heating device, wherein the connection device has a plurality of metallic contact feet. The connection device is attached at the contact fields with the contact feet and is electrically connected thereto. Additional electrical insulation is arranged between the connection device and the outside of the carrier. This can be, for example, one of several individual insulating layers that together form the entire insulating layer.