504 results about "Aerosol delivery" patented technology

The present disclosure relates to an electronic smoking article that provides for improved aerosol delivery. Particularly, the article provides for separate delivery of two or more components of an aerosol precursor composition to one or more heaters so as to control the rate of delivery or the rate of heating of the separate components of the aerosol precursor composition.

The present disclosure relates to an electronic smoking article that provides for improved aerosol delivery. Particularly, the article comprises one or more microheaters. In various embodiments, the microheaters provide for improved control of vaporization of an aerosol precursor composition and provide for reduced power requirements to achieve consistent aerosolization. The present disclosure further relates to methods of forming an aerosol in a smoking article.

The present disclosure relates to aerosol delivery devices including a cartridge and a control body. The control body may include a coupler and the cartridge may include a base. The base may be configured to releasably engage the cartridge. Further the base and the coupler may include anti-rotation mechanisms configured to prevent rotation of the cartridge relative to the base when engaged with one another. The anti-rotation mechanisms may include alternating protrusions and recesses in some embodiments. Related methods are also provided.

The present disclosure relates to a cartridge for an aerosol delivery device such as a smoking article. The cartridge may include a base, a reservoir substrate, and an atomizer. The reservoir substrate may define a cavity therethrough. The atomizer may comprise a liquid transport element and a heating element extending at least partially about the liquid transport element. The atomizer may extend through the cavity through the reservoir substrate such that the heating element is positioned proximate an end of the reservoir substrate. Ends of the liquid transport element may extend to an opposing end of the reservoir substrate. A related method for assembling a cartridge for a smoking article is also provided.

The present disclosure relates to an electronic smoking article that provides for improved aerosol delivery. Particularly, the article comprises one or more microheaters. In various embodiments, the microheaters provide for improved control of vaporization of an aerosol precursor composition and provide for reduced power requirements to achieve consistent aerosolization. The present disclosure further relates to methods of forming an aerosol in a smoking article.

The present disclosure relates to an electronic smoking article that provides for improved aerosol delivery. Particularly, the article comprises a wicking element useful for improving delivery of aerosol precursor to a heating element. In particular, the wick can take on a brush-like configuration. The present disclosure further relates to methods of forming an aerosol in a smoking article.

The present disclosure relates to an aerosol delivery device and related methods and computer program products for controlling an aerosol delivery device based on input characteristics. For example, a method may include an aerosol delivery device determining a characteristic of a user input to the aerosol delivery device. The method may further include the aerosol delivery device determining a control function having a defined association with the characteristic. The method may additionally include the aerosol delivery device performing the control function in response to the user input.

The present disclosure relates to atomizers for an aerosol delivery device such as a smoking article. The atomizer may include a liquid transport element and a wire continuously extending along a longitudinal length thereof. The wire may define end portions, contact portions, and a heating portion. The wire may be continuously wound about the liquid transport element such that each of the portions of the wire defines coils. A related input, cartridge, and method of forming atomizers also provided.

The present disclosure relates to an input for production of atomizers and atomizers formed from a sheet of a material, and which may be employed in an aerosol delivery device such as a smoking article. The input may include a carrier and heating elements coupled thereto. The heating elements may include first and second ends and interconnected alternating loops disposed therebetween. The heating elements may be oriented parallel to a longitudinal axis of the carrier, or perpendicular thereto. The heating elements may be coupled to a liquid transport element by bending the interconnected loops at least partially around the liquid transport element. The ends of the heating element may be coupled to heater terminals. A related method for forming atomizers is also provided.

The present disclosure relates to aerosol delivery devices that may include components configured to convert electrical energy to heat and atomize an aerosol precursor composition. An outer body may at least partially enclose the components. An illumination source may be configured to output electromagnetic radiation. For example, a light emitting diode may output light. A waveguide may be configured to receive the electromagnetic radiation from the illumination source and provide illumination at an outer surface of the outer body. The waveguide may include an energy conversion material configured to alter a wavelength of the electromagnetic radiation outputted by the illumination source to change a color of, or otherwise affect, the illumination. The illumination may also be dynamically adjusted. The waveguide may define the outer body, or the waveguide may be received with a separate outer body. Related methods are also provided.

The present disclosure generally relates to compositions, and related devices and methods, useful in vaporizing devices such as electronic cigarettes. The composition may comprise nicotine, at least one solvent, and at least one ion pairing agent, and may be vaporized to form a condensation aerosol, wherein inhalation of the aerosol allows for deposition of nicotine with the respiratory system, including deep lung deposition. The vaporizing device may comprise a vaporization unit, a battery, and an integrated circuit coupled to the battery, wherein the integrated circuit is configured to control the battery for rapid initial vaporization without overheating, producing thermal degradation products, or draining battery energy. The battery may operate with pulse width modulation for at least a portion of the time the vaporizing device is being used.

The present disclosure relates to an aerosol delivery device. The aerosol delivery device may include a control body and a cartridge. The cartridge may include a base, a flow director, an outer body, a reservoir substrate, an outer body, and a mouthpiece. Heating elements may be molded into the flow director. The flow director may be welded to the base and the outer body, or the base and the flow director may include deformable ribs that engage the outer body. The flow director and the outer body may cooperatively define a reservoir compartment in which the reservoir substrate and the atomizer are received. The flow director and the base may define an electronics compartment in which an electronic control component is received. A related assembly method is also provided.

An aerosol delivery system is provided, comprising a control body portion including a first elongate tubular member having a power source disposed therein. A cartridge body portion includes a second tubular member having opposed first and second ends. One of the first and second ends is removably engaged with one end of the control body portion. The cartridge body portion further comprises a first aerosol generation arrangement disposed within the second tubular member and configured to operably engage the power source upon engagement between the control body portion and the cartridge body portion. The other of the first and second ends of the cartridge body portion is configured as a mouth-engaging end. The cartridge body portion further includes a second aerosol generation arrangement disposed within the second tubular member between the first aerosol generation arrangement and the mouth-engaging end. An associated method is also provided.

The present disclosure relates to aerosol delivery devices. The aerosol delivery devices may include a housing and a cartridge including an atomizer and a reservoir configured to contain an aerosol precursor composition. The cartridge may be configured to move relative to at least a portion of the housing between a retracted configuration and an extended configuration. Related assembly methods are also provided.

The present disclosure relates to a microfluidic vaporizer, an aerosol delivery device that may include such vaporizer, and methods for forming an aerosol. A microfluidic vaporizer can comprise a substrate that defines: a reservoir configured to hold a liquid; a heater adapted to vaporize the liquid; and a capillary channel configured for movement of the liquid from the reservoir to the heater. An aerosol delivery device can comprise a shell and a microfluidic vaporizer. The microfluidic vaporizer and aerosol delivery device can be used for forming aerosols with precise and reproducible compositions.

The present disclosure relates to atomizers for an aerosol delivery device such as a smoking article. The atomizer may include a liquid transport element and a wire extending along at least a portion of a longitudinal length thereof. The wire may define contact portions configured to engage heater terminals and a heating portion configured to produce heat. The heating portion may include a variable coil spacing. In other atomizers, the wire may extend at least partially through the liquid transport element proximate the contact portions. Related inputs, cartridges, aerosol production assemblies, and methods of forming atomizers are also provided.

An apparatus and method for performing positive pressure (PP) therapy alone or in combination with an aerosol delivery apparatus. The positive pressure apparatus includes a positive pressure valve having a continuously variable respiratory window. The PP valve may be associated with a patient respiratory system interface alone, such as, but not limited to, a mask or mouthpiece, or in combination with an aerosol delivery apparatus.

The present disclosure relates to aerosol delivery devices. The aerosol delivery devices include mechanisms configured to deliver an aerosol precursor composition from a reservoir to an atomizer including a vaporization heating element to produce a vapor. For example, a bubble jet head may be configured to dispense the aerosol precursor composition to the atomizer. The bubble jet head may be fixedly coupled to the atomizer. The bubble jet head may include a precursor inlet, an ejection heating element, and a precursor nozzle. The atomizer may include a vaporization heating element.

An aerosol delivery device is provided that includes at least one housing enclosing a reservoir configured to retain an aerosol precursor composition, and a heating element controllable to activate and vaporize components of the aerosol precursor composition. The aerosol delivery device also includes a power source connected to and configured to provide power to an electrical load that includes the heating element, and an induction receiver connected to the power source, the induction receiver including a resonant receiver coupling device in which an alternating current is induced when exposed to an oscillating magnetic field, and a rectifier configured to convert the alternating current to a direct current from which the power source is rechargeable.

The present disclosure relates to charging accessory device for the aerosol delivery device and related systems, methods, apparatuses, and computer program products for providing interactive services for aerosol delivery devices. For example, a method may include a computing device establishing communication with a charging accessory device for an aerosol delivery device; receiving usage data for the aerosol delivery device provided by the charging accessory device; generating social data based on the usage data; and sending the social data to a social networking service including a community of aerosol delivery device users.

The present disclosure relates to an aerosol delivery device including a variable output flow sensor. The variable output flow sensor particularly can be a flex / bend sensor wherein output from the sensor varies based upon changes in electrical current flow (e.g., resistance) along an extension of the sensor relative to flexing or bending of the extension resulting from airflow across the extension. The disclosure further provides methods for controlling operation of an aerosol delivery device through utilization of a variable output flow sensor. In particular, control of functional elements (e.g., a heating member, a fluid delivery member, and a sensory feedback member) can allow for real-time changes in the operation of the aerosol delivery device relative to airflow through the device.

The present disclosure relates to systems, apparatuses, and methods for assembling cartridges for aerosol delivery devices. The cartridges may be assembled by transporting carriages between various substations at which parts are added to a base. In another assembly method, the base may be moved between a plurality of robots which direct the base downwardly into contact with components to couple the components therewith. An inspection system may inspect the cartridges at various stages of completion.

The present disclosure relates to an aerosol delivery device configured to wirelessly heat an atomizer. The aerosol delivery device may include a control body and a cartridge. The control body may include an induction transmitter. The cartridge may include an induction receiver and an aerosol precursor composition. When electrical current is directed to the induction transmitter, the induction receiver may be inductively heated. The heat produced by the induction receiver may form an aerosol from the aerosol precursor composition at the substrate. Related methods are also provided.

The present disclosure relates to aerosol delivery devices. The aerosol delivery devices include mechanisms configured to deliver an aerosol precursor composition from a reservoir to an atomizer including a heating element to produce a vapor. An actuator may displace a rod to dispense the aerosol precursor composition to the atomizer. Thereby, the rod may move a piston in a pump housing to dispense the aerosol precursor composition. The atomizer may define a chamber in which the heating element is positioned and at which the aerosol precursor composition is vaporized.

An aerosol delivery device is provided that includes a substrate configured to carry an aerosol precursor composition, and includes an induction transmitter, induction receiver and control component. The induction transmitter is configured to generate an oscillating magnetic field. The induction receiver is positioned in proximity to the substrate, and configured to generate heat when exposed to the oscillating magnetic field and thereby vaporize components of the aerosol precursor composition. The control component is configured to direct current to the induction transmitter to drive the induction transmitter to generate the oscillating magnetic field, with the control component being configured to direct the current according to a zero voltage switching (ZVS) inverter topology.

The present disclosure relates to aerosol delivery devices, methods of forming such devices, and elements of such devices. In some embodiments, the present disclosure provides devices configured for vaporization of an aerosol precursor composition that is stored in and / or transported to a heater by a porous monolith, which can be, for example, a porous glass or a porous ceramic. A heater can be in a heating arrangement with an external portion of the porous monolith or can be substantially internal to the porous monolith.

A device, method, and system for producing a condensation aerosol are disclosed. The device includes a chamber having an upstream opening and a downstream opening which allow gas to flow through the chamber, and a heat-conductive substrate located at a position between the upstream and downstream openings. Formed on the substrate is a drug composition film containing a therapeutically effective dose of a drug when the drug is administered in aerosol form. A heat source in the device is operable to supply heat to the substrate to produce a substrate temperature greater than 300 oC, and to substantially volatilize the drug composition film from the substrate in a period of 2 seconds or less. The device produces an aerosol containing less than about 10% by weight drug composition degradation products and at least 50% of the drug composition of said film.

The present disclosure relates to aerosol delivery devices. The aerosol delivery devices may include multiple atomizers and an atomizer selector that provides for selection of one or more of the atomizers to which electrical current is directed. The atomizer selector may also alter a position of the atomizers relative to an airflow path through the aerosol delivery device. Another aerosol delivery device may include an atomizer and an additive selector that provides for selection of one or more additives added to vapor produced by the atomizer. Related methods are also provided.