Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

29322results about "Tobacco" patented technology

Cartridge for an aerosol-generating system, an aerosol-generating system including a cartridge, and a method of manufacturing a heater assembly and cartridge for an aerosol-generating system

A cartridge for an aerosol-generating device is provided, the cartridge including: a housing containing an aerosol-forming substrate, the housing including upper and lower housing portions; a heater element including a fluid-permeable heater portion and an electrical contact portion, in which the heater portion and the electrical contact portion are integrally formed from a single heater sheet, and in which the heater portion is enclosed within the housing and positioned to heat the substrate, and the electrical contact portion extends outside the housing; and an outer housing in which the upper and the lower housing portions are held, the outer housing including a sleeve into which the upper and the lower housing portions are received such that the outer housing compresses the upper and the lower housing portions together to provide a seal therebetween. An aerosol-generating system, and a method of manufacturing a cartridge for an aerosol-generating device, are also provided.
Owner:PHILIP MORRIS PRODUCTS SA

Electronic atomization device

An electronic atomization device includes: a movable member; and a housing assembly including an air intake channel and an atomization channel, the air intake channel having a first end and a second end, and the atomization channel having a third end and a fourth end, the second end of the air intake channel being communicated with the fourth end of the atomization channel. The movable member is movably disposed in the housing assembly. When the movable member is in a first position, the first end of the air intake channel is communicated with external atmosphere, and the third end of the atomization channel is communicated with external atmosphere. When the movable member is in a second position, the movable member separately covers the first end of the air intake channel and the third end of the atomization channel.
Owner:VERDEWELL INT HLDG LTD

Small step size and high resolution aerosol generation system and method

An aerosol generation device includes a circuit or microcontroller for automatically detecting and adjusting vibration frequency of an electronic transducer to a determined resonance frequency that changes during operation of the device whereby the circuit or microcontroller provides a plurality of tuning signal waves at each of a plurality of time intervals during operation of the electronic transducer from comparison of the current measured for each signal wave during each time interval.
Owner:PNEUMA RESPIRATORY INC

Droplet delivery device for delivery of fluids to the pulmonary system and methods of use

A device and method for delivering a fluid as an ejected stream of droplets during inhalation uses inertial filtering to cause a first plurality of droplet particles generated by an ejector mechanism to pass through an airflow exit while a second plurality of droplet particles having a greater mass mean aerodynamic diameter than the first plurality of droplet particles fails to pass through the airflow exit.
Owner:PNEUMA RESPIRATORY INC

Electronic cigarette temperature control algorithm with preheating function

The invention discloses an electronic cigarette temperature control algorithm with a preheating function, particularly relates to the technical field of electronic cigarette temperature control, and is used for solving the problem of out-of-control temperature caused by waste heat accumulation due to continuous smoking in the prior art. Precise temperature control is realized through multi-dimensional parameter collaborative analysis and a dynamic correction mechanism; according to the algorithm, a waste heat accumulation superimposed effect is evaluated based on time interval distribution characteristics of historical suction actions of a user and current suction interval time, dynamic interference intensity is quantified in combination with airflow rate deviation, and a waste heat attenuation stability level is judged by detecting a temperature drop rate deviation direction. According to the contact area proportion of the heating element and the tobacco tar, waste heat conduction efficiency grades are divided; the target temperature compensation value is calculated through the preset temperature compensation mapping table, the preheating target temperature is dynamically adjusted, the constant temperature control program is started, the preset atomization temperature interval is maintained through a real-time temperature feedback closed loop, temperature overshoot caused by waste heat accumulation is effectively restrained, and atomization taste consistency and equipment safety are improved.
Owner:SHENZHEN LUXINFENG TECH CO LTD

An Aerosol-Generating Device Comprising a Compression Device and Method for Compressing an Aerosol-Generating Article

An aerosol-generating device includes an oven having a first opening through which an aerosol-generating article could be inserted at least partially in the oven and a compression device which is arranged outside the oven and in front of the opening to compress the aerosol-generating device upon insertion thereof in the oven through the opening. Furthermore, A system includes such an aerosol-generating device and an aerosol-generating article. A method for inserting an aerosol-generating article at least partially in an oven of an aerosol-generating device by the steps of compressing the aerosol-generating article by a compression device which is arranged outside the oven and in front of an opening of the oven to compress the aerosol-generating device upon insertion thereof in the oven through the opening, and moving the compressed aerosol-generating article at least partially into the oven is disclosed, too.
Owner:JT INTERNATIONAL SA

Heating assembly and aerosol generating device including the same

The present disclosure relates to a heating assembly including an accommodating unit configured to accommodate an aerosol generating article heatable by an induced magnetic field, a spiral coil arranged outside the accommodating unit and configured to generate an induced magnetic field toward the accommodating unit, and a first supporter arranged at a side in the accommodating unit, supporting an outer surface of the aerosol generating article, and separating the outer surface of the aerosol generating article accommodated in the accommodating unit from an inner wall of the accommodating unit, wherein the spiral coil is wound to form a plate shape covering a portion of an outer wall of the accommodating unit, and a center around which the spiral coil is wound is arranged at a point of the outer wall of the accommodating unit.
Owner:KT&G CO LTD

Aerosol-generating device with article retention

PendingUS20240398017A1TobaccoAerosol MistPhysics
An aerosol-generating device is provided, including: a cavity configured to receive an aerosol-generating article; at least one heating element; and a plurality of projections extending from an internal surface of the cavity, each projection having a truncated hemispherical shape. An aerosol-generating system, including the aerosol-generating device and an aerosol-generating article, is also provided.
Owner:PHILIP MORRIS PRODUCTS SA

Electronic atomization device and liquid storage device for electronic atomization device

The utility model provides an electronic atomization device and a liquid storage device for the electronic atomization device. The electronic atomization device comprises a first main body and a second main body, the first main body comprises a first liquid storage cavity and at least one liquid output connector; the second main body comprises a second liquid storage cavity, an atomization assembly and at least one liquid input interface; when the first body is combined with the second body, the liquid output connector is at least partially inserted into the liquid input connector, and a capillary channel is established between the liquid output connector and the liquid input connector. The capillary channel can adsorb and maintain the liquid matrix output from the liquid output connector through the capillary action, and when the air pressure difference between the second liquid storage cavity and the first liquid storage cavity changes, the adsorbed and maintained liquid matrix is supplemented to the second liquid storage cavity. According to the electronic atomization device, the first liquid storage cavity in the first main body can supplement a preset amount of liquid matrix to the second liquid storage cavity in the second main body; the action of supplementing the liquid matrix is automatically carried out, and manual operation intervention is not needed.
Owner:SHENZHEN FIRST UNION TECH CO LTD

Verifying operation of temperature sensor of an aerosol-generating device

An aerosol-generating device for generating an aerosol from an aerosol-forming substrate is provided, the aerosol-generating device including: an electrically powered heater element configured to heat the aerosol-forming substrate; a temperature sensor coupled to the electrically powered heater element and configured to sense a temperature of the electrically powered heater element; a power source configured to supply power to the electrically powered heater element and the temperature sensor; and control electronics configured to measure an impedance value of the electrically powered heater element, correlate the measured impedance value with a value of impedance determined from the temperature of the electrically powered heater element as sensed by the temperature sensor, and control the supply of power to the electrically powered heater element based on the correlation. A method of controlling an electrically powered heater element of the aerosol-generating device is also provided.
Owner:PHILIP MORRIS PRODUCTS SA

Heat-not-burn (HNB) aerosol-generating devices including energy based heater control, and methods of controlling a heater

At least one example embodiment provides a system for controlling a heater in a non-combustible aerosol-generating device, the system comprising a memory storing computer-readable instructions and a controller configured to execute the computer-readable instructions to cause the non-combustible aerosol-generating device to apply a first power to the heater based on a first preheat temperature determine an estimated energy applied to the heater during application of the first power, and apply a second power to the heater based on the estimated energy, an energy threshold and a second preheat temperature, the second power being less than the first power.
Owner:ALTRIA CLIENT SERVICES LLC

Electronic atomization device

The utility model provides an electronic atomization device which comprises a first shell assembly, a second shell assembly, a third shell assembly and a fourth shell assembly. The second shell assembly is independent of the first shell assembly, and a second liquid storage cavity is formed in the second shell assembly; the second shell assembly is configured to be capable of being connected with the first shell assembly, and a liquid channel for the liquid matrix to flow is established between the first liquid storage cavity and the second liquid storage cavity; the atomization assembly is arranged in the first shell assembly; the first liquid guide element is arranged in the first liquid storage cavity and is communicated with the liquid channel; the first liquid guide element is in contact with the liquid storage medium and is configured to suck the liquid matrix in the liquid channel and transfer the sucked liquid matrix to the liquid storage medium so as to indirectly transfer the liquid matrix to the atomization assembly. Through the first liquid guide element and the liquid storage medium, the speed of the liquid matrix transmitted to the atomization assembly can be controlled, the problem that abnormal sound exists during suction due to the fact that the liquid guide speed is too high is solved, and the suction experience of a user is improved.
Owner:SHENZHEN FIRST UNION TECH CO LTD

Aerosol delivery device / system

PendingUS20250057249A1TobaccoAerosol sprayMedicine
The present disclosure relates to an aerosol delivery system e.g. a smoking substitute system. In particular, it relates to an aerosol generating system comprising a vaporiser, an air flow sensor configured to detect a user inhalation through the system, and a controller, wherein the controller is configured to activate the vaporiser only when the duration of the user inhalation exceeds a predefined duration threshold.
Owner:IMPERIAL TOBACCO LTD

Aerosol Generator

An aerosol generating device is disclosed, which includes a long body having an opening at a first end and formed to provide an insertion space extending in a vertical direction, a heater coupled to the body, a battery supplying power to the heater, a controller regulating the power supplied to the heater, a through hole formed at a second end of the body to provide a flow path between the inside and outside of the body, and a membrane covering the through hole.
Owner:KT&G CO LTD

Aerosol generating device and atomizer

The utility model relates to an aerosol generating device and an atomizer, the aerosol generating device comprises the atomizer, the atomizer comprises an atomization assembly and a first shell, the first shell is internally provided with a first liquid storage cavity used for storing a liquid matrix, and the atomization assembly is in fluid communication with the first liquid storage cavity and used for atomizing the liquid matrix to generate aerosol; the container comprises a second shell, a second liquid storage cavity used for storing the liquid matrix is formed in the second shell, the second shell is independent of the first shell, the container is constructed to be capable of being connected with the atomizer in a combined mode, and a liquid path allowing liquid to flow is established between the second liquid storage cavity and the first liquid storage cavity; therefore, the liquid matrix in the second liquid storage cavity can be transferred to the first liquid storage cavity; the power supply assembly is used for providing power for the atomization assembly to atomize the liquid matrix; wherein the atomizer is detachably and electrically connected with the power supply assembly, and when the atomizer is connected with the power supply assembly, a power supply path is established between the atomization assembly and the power supply assembly.
Owner:SHENZHEN FIRST UNION TECH CO LTD

Electronic atomization device and second main body

ActiveCN222109288UTobaccoAerosolizeAir change
The utility model provides an electronic atomization device and a second main body. The electronic atomization device comprises a first main body and a second main body, the first main body comprises a first liquid storage cavity, and the second main body comprises a second liquid storage cavity; when the first main body is combined with the second main body, the liquid matrix in the first liquid storage cavity can be supplemented to the second liquid storage cavity; the atomizing component is used for receiving the liquid matrix in the second liquid storage cavity and atomizing the liquid matrix to generate aerosol; an airflow channel for air to pass through the electronic atomization device during suction; and the second liquid storage cavity is communicated with the air of the airflow channel through the ventilation channel so as to be used for adjusting the pressure in the second liquid storage cavity. According to the electronic atomization device, when the liquid matrix of the first main body is supplemented into the second liquid storage cavity in a supersaturated mode to enable the pressure in the second liquid storage cavity to exceed the preset threshold value, or when the liquid matrix in the second liquid storage cavity is consumed to enable the negative pressure in the second liquid storage cavity to exceed the preset threshold value, the ventilation channel can relieve or adjust the pressure in the second liquid storage cavity.
Owner:SHENZHEN FIRST UNION TECH CO LTD

Intelligent electronic cigarette dustproof control method and system

The invention relates to the technical field of dustproof control, in particular to an intelligent electronic cigarette dustproof control method and system.The method comprises the following steps that dust and airflow data are collected to eliminate noise, air pressure and flow state are analyzed to generate a characteristic spectrum, concentration change is judged to execute correlation analysis, and a draught fan is adjusted to control pressure feedback to generate response data; and formulating an electronic cigarette intelligent dustproof control scheme according to the efficiency and time ratio. According to the method, airflow behavior characteristics are constructed by introducing differential air pressure gradient and flow state recognition, the dust motion path prediction capacity is improved, a multi-parameter adjusting instruction is generated based on the concentration gradient, the flow state parameters and the pressure difference variable rate, dynamic adaptation of air volume control is achieved, a PWM adjusting and closed-loop feedback mechanism is introduced, the particle backflow risk is reduced, and the dust removal efficiency is improved. A multi-stage control strategy is constructed by taking the sedimentation efficiency and response time ratio as a boundary index, linkage adjustment of the pollution level and the control strength is realized, a full-link linkage system with quick response and efficient adjustment is formed, and the dustproof effect of the electronic cigarette is fully improved.
Owner:SHENZHEN NEVOKS TECH CO LTD

Droplet device with surface tension plate

An electronically actuated droplet delivery device with a mouthpiece for inhaling fluid droplets includes an ejector mechanism having an electronic actuator operably coupled to an aperture plate. A fluid reservoir provided fluid to the ejector mechanism through a surface tension plate that increases contact between the fluid from the fluid reservoir and the aperture plate.
Owner:PNEUMA RESPIRATORY INC

Appliance heating control method and apparatus for user customizable vaping

An appliance heating control method and apparatus for user customizable vaping. The method comprises: acquiring appliance environment information and cigarette parameter information, and selecting, from a cigarette heating temperature curve library corresponding to the cigarette parameter information, an initial heating temperature curve that matches the appliance environment information; generating parameter adjustment guidance information on the basis of the initial heating temperature curve, and displaying the initial heating temperature curve and the parameter adjustment guidance information; and receiving a parameter adjustment instruction, adjusting the initial heating temperature curve on the basis of the parameter adjustment instruction, so as to obtain an adjusted heating temperature curve, and controlling, according to the adjusted heating temperature curve, an appliance to perform heating.
Owner:HUBEI CHINA TOBACCO INDUSTRY CO LTD

Nicotine droplet delivery device

An electronic droplet delivery device having a mouthpiece of inhalation of droplets includes an aperture plate with a plurality of openings coupled to a piezoelectric actuator. A fluid reservoir supplies a solution with nicotine to the aperture plate for ejection out of the mouthpiece in a droplets stream.
Owner:PNEUMA RESPIRATORY INC

Electronic devices for aerosolizing and inhaling liquid

An electronic device includes a hand held base assembly that includes circuitry including memory and firmware executed by a processor or microcontroller of the circuitry; and a cartridge assembly that includes memory that is read by the firmware of the handheld base assembly. The cartridge assembly and the handheld base assembly are configured to removably couple together to define the electronic device for producing an aerosol for inhalation by a person. An enclosed air passageway is defined by the cartridge assembly and by the handheld base assembly, which isolates the airflow from the electronics of the device. The enclosed air passageway extends between the opening of the mouthpiece for taking a breath and a diaphragm of the handheld base assembly, movement of the diaphragm changing the air pressure within an enclosed interior space having a pressure sensor for trigging the pressure sensor when a breath is taken.
Owner:QNOVIA INC

State detection circuit for electronic cigarette, electronic cigarette

The disclosed embodiment provides a state detection circuit and an electronic cigarette for an electronic cigarette, including: an oscillating unit, which is connected to a capacitive airflow sensor and generates a first periodic signal based on the capacitance value of the capacitive airflow sensor; a base value counter, which is connected to the oscillating unit and counts the first periodic signal for a preset first counting time to obtain a base value and store it; a real-time value counter, which is connected to the oscillating unit and counts the first periodic signal to obtain a real-time counting value, wherein the real-time counting value includes a detection value corresponding to a preset second counting time; a state judgment unit, which is respectively connected to the base value counter and the real-time value counter, and judges the state of the capacitive airflow sensor according to the base value and the detection value; wherein the second counting time is different from the first counting time. This solution enables the detection process to be only related to the capacitance change amount, and has nothing to do with the capacitance value itself, so it has a wider scope of application.
Owner:XI AN WENXIAN SEMICON TECH CO LTD

Hardware activation of a controlled device

This disclosure describes a system and method for preventing unauthorized use of a personal vaporizer or other controlled device. A software / hardware lock can be installed by the manufacturer on the personal vaporizer, which requires a hardware authenticator key and an activation code to “unlock” or “activate” the personal vaporizer for user. This prevents unauthorized (e.g., under-age) users from abusing the controlled device. Further if the controlled device needs to be uniquely activated, a stolen device, or one that has been tampered with in an unauthorized manner can be prevented from use or “bricked,” further enabling the manufacturer or seller of the personal vaporizer to ensure the device is not abused.
Owner:RAI STRATEGIC HOLDINGS INC

Method for realizing touch function on display lamp array, analog front end, display panel and electronic cigarette

The invention discloses a method for realizing a touch function on a display lamp array, an analog front end, a display panel and an electronic cigarette, and relates to the technical field of electronic cigarette display control. The method comprises the following steps: dividing display lamps of a display lamp array into a plurality of blocks according to the number of touch functions of the display lamp array, and configuring a signal transmission port for the display lamp of each block according to a corresponding lighting mode; when the current lighting cycle arrives, the display lamps of the multiple blocks are turned on at the same time, and after the display lamps are turned on, the signal transmission ports belonging to the same block are combined together; in a touch function detection period corresponding to the current lighting period, self-capacitance detection is carried out on the combined signal transmission ports; and after the touch function detection period is finished, removing the combination of the combined signal transmission ports, and waiting for the arrival of the next lighting period. According to the invention, the touch function is directly realized on the display lamp array, the cost is reduced, and the user experience is improved.
Owner:SHENZHEN BETTERLIFE ELECTRONICS SCI & TECH

Aerosol generating device

The aerosol generating device comprises a liquid storage device which comprises a first shell, and a first liquid storage cavity is defined in the first shell; the device main body comprises a second shell, and a second liquid storage cavity is defined in the second shell; the liquid storage part is filled in the second liquid storage cavity and is used for receiving and keeping a liquid matrix; wherein a fluid channel is arranged between the first liquid storage cavity and the second liquid storage cavity, and the fluid channel is configured to have an open state and a closed state; when the fluid channel is in the closed state, the liquid matrix in the first liquid storage cavity is prevented from entering the second liquid storage cavity, and when the fluid channel is in the open state, the liquid matrix in the first liquid storage cavity is allowed to enter the second liquid storage cavity so as to be absorbed by the liquid storage part. The liquid matrix in the second liquid storage cavity is not easy to leak during standing or transportation, and keeps a good taste during suction. In addition, the liquid matrix in the first liquid storage cavity can be supplemented to the liquid matrix in the second liquid storage cavity, so that the aerosol generating device has larger capacity.
Owner:SHENZHEN FIRST UNION TECH CO LTD

Aerosol-generating device and method for controlling aerosol-generating device

The invention discloses an aerosol generating device and a control method thereof. The aerosol-generating device includes a heating assembly, a detector, and a controller. The detector is configured to detect a suction signal. The controller is configured to control the heating assembly to preheat under the condition that the aerosol generating device receives a starting signal; under the condition that the suction signal is detected, the number of suction times is recorded; and controlling a heating strategy of the heating assembly according to the number of the suction ports, wherein the heating strategy comprises heating power and / or heating duration. According to the aerosol generating device, the controller can control the heating assembly to conduct preheating under the condition that the aerosol generating device receives the starting signal, and the controller can record the number of smoking times and control the heating strategy of the heating assembly according to the number of smoking times under the condition that the detector detects the smoking signal instead of continuously heating the heating body in the cavity. However, the heating strategy of the heating assembly is controlled according to the number of smoking times, so that the consistency of the taste of the aerosol is ensured.
Owner:SHENZHEN MERIT TECH CO LTD

Impedance matching method and apparatus for radio frequency heating smoking set, and electronic device

An impedance matching method and apparatus for a radio frequency heating smoking set, and an electronic device. The method comprises: when it is detected that a target cigarette is inserted, acquiring parameter information of a radio frequency power supply; controlling the radio frequency power supply to transmit a preset measurement current to electrode plates, calculating, on the basis of the parameter information, measurement working power corresponding to the preset measurement current, and determining, on the basis of the measurement working power, load impedance of the target cigarette; and when the load impedance is not matched with power supply impedance of the radio frequency power supply, generating, on the basis of the load impedance, adjustment information used for adjusting an alternating current frequency of the radio frequency power supply until the load impedance is matched with the power supply impedance. According to the present invention, after the target cigarette is inserted into the smoking set, the specific load impedance of the target cigarette is calculated and determined according to the measurement working power between the electrode plates, and then the load impedance is adjusted by adjusting the alternating current frequency of the radio frequency power supply, so that the load impedance is matched with the power impedance, and the optimal power use efficiency is achieved.
Owner:HUBEI CHINA TOBACCO INDUSTRY CO LTD

Vaporizing device

PendingUS20260101926A1Tobacco
A vaporizing device including a reservoir to store a liquid precursor, a dispenser to regulate the flow of the liquid precursor, a chamber to receive the liquid precursor and generate vapor, and a heater to supply heat to vaporize at least a portion of the liquid precursor, an inlet to admit air, and an outlet that includes a tortuous flow path geometry configured to condition vapor or aerosol prior to delivery to a user. The chamber may include geometries that enhance thin film vaporization or induce rotational flow. A controller may be provided to regulate power delivered to the heater, estimate heater temperature, compare detected inhalation parameters to stored inhalation profiles, and responsively adapt operation. In some embodiments, the controller may operate in an idle or standby mode to maintain a minimum temperature. The device may also include valves to inhibit leakage of the liquid precursor when not in use.
Owner:MODIFIED RISK PROPERTIES LLC

Control of an electronic vaporizer

Vaporizers and vaporizer systems, which can include a device in communication with a vaporizer, can include one or more features related to control of functions and / or features of the vaporizer, identification of a cartridge and / or a vaporizable material in the cartridge, data exchange (either one-way or two-way) between a cartridge and a vaporizer with which the cartridge is engaged, and the like.
Owner:JUUL LABS INC

Charging safety cut-off

A method for charging a rechargeable lithium-ion battery in an aerosol-generating system is provided, the method including: initiating charging of the rechargeable lithium-ion battery; monitoring an electrical parameter indicative of a charging rate of the rechargeable lithium-ion battery; determining the charging rate of the rechargeable lithium-ion battery by monitoring a change of the electrical parameter over a given time period; and comparing the determined charging rate to a reference charging rate, the reference charging rate being defined by an expected change in the monitored electrical parameter; and if the charging rate deviates from the reference charging rate, inhibiting the rechargeable lithium-ion battery from being charged. A charge controller for an aerosol generating system is also provided. An aerosol-generating device is also provided. A charging case for an aerosol generating device is also provided.
Owner:PHILIP MORRIS PRODUCTS SA