# US 12,599,176 B2 · Aerosol delivery device including a wirelessly-heated atomizer and related method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,599,176 B2 - Document ID: US12599176B2 - Status: Granted - Kind: B2 - Application number: 18/661,347 - Filed: 2024-05-10 - Published: 2024-09-12 - Granted: 2026-04-14 - Earliest claimed: 2015-11-06 - Assignees: RAI Strategic Holdings, Inc. - Applicants: RAI Strategic Holdings, Inc. - Inventors: Michael F. Davis; Stephen Benson Sears; Carolyn Rierson Carpenter; Melissa Ann Clark; Shierina A. Fareed; Denise Fox; Tao Jin; Percy D. Phillips; Alfred Charles Bless; Karen V. Taluskie; Brian Keith Nordskog; David T. Szabo; Josef Strasser, Jr. - Web page: https://patentgrep.com/patent/US12599176B2 ## CPC - A24F 40/465: specially adapted for induction heating - A24F 40/50: Control or monitoring - A24F 40/95: structurally associated with cases - H05B 6/108: {for heating a fluid} - A24F 40/10: Devices using liquid inhalable precursors - A24F: SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES (inhaling appliances for medical purposes, shaped like cigars, cigarettes or pipes A61M15/06) - H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL ## Abstract An aerosol delivery device includes an electrical power source, an induction receiver configured to receive a substrate including an aerosol precursor composition such that the induction receiver is in proximity to the substrate, and a wireless power transmitter including an induction transmitter. The induction transmitter is configured to removably receive the induction receiver such that the induction transmitter surrounds the induction receiver. The induction transmitter receive electrical current from the electrical power source that causes the induction transmitter to generate an oscillating magnetic field, and the induction receiver generates heat via eddy currents induced at the induction receiver when exposed to the oscillating magnetic field and thereby heats the aerosol precursor composition to produce an aerosol. Related methods are also provided. ## Claims ### Claim 1 An aerosol delivery device, comprising: an electrical power source; an induction receiver configured to receive a substrate including an aerosol precursor composition such that the induction receiver is in proximity to the substrate; and a wireless power transmitter including an induction transmitter having a tubular configuration or a coiled configuration each defining an inner chamber, the induction transmitter being configured to removably receive the induction receiver within the inner chamber such that the induction transmitter surrounds the induction receiver received within the inner chamber, the induction transmitter configured to receive electrical current from the electrical power source that causes the induction transmitter to generate an oscillating magnetic field, and the induction receiver configured to generate heat via eddy currents induced at the induction receiver when exposed to the oscillating magnetic field and thereby heat the aerosol precursor composition to produce an aerosol. ### Claim 2 (depends on 1) The aerosol delivery device of claim 1, wherein the induction receiver is in contact with the substrate. ### Claim 3 (depends on 2) The aerosol delivery device of claim 2, wherein the aerosol precursor composition comprises a solid tobacco material or a semi-solid tobacco material. ### Claim 4 (depends on 1) The aerosol delivery device of claim 1, wherein the induction receiver is surrounding but out of direct contact with the substrate. ### Claim 5 (depends on 1) The aerosol delivery device of claim 1, wherein the induction transmitter is surrounding but out of direct contact with the induction receiver. ### Claim 6 (depends on 1) The aerosol delivery device of claim 1, comprising a pocket defined by a container or body of the aerosol delivery device or a component engaged with the container or body, the pocket being configured to receive the substrate. ### Claim 7 (depends on 6) The aerosol delivery device of claim 6, wherein the induction receiver is in proximity to or in contact with the substrate received by the pocket, and wherein the induction transmitter is configured to surround the pocket having the induction receiver and the substrate received therein. ### Claim 8 (depends on 1) The aerosol delivery device of claim 1, wherein the induction transmitter is removably attached to the aerosol delivery device. ### Claim 9 (depends on 1) The aerosol delivery device of claim 1, wherein the induction receiver is porous to allow the aerosol to freely pass through the induction receiver. ### Claim 10 (depends on 9) The aerosol delivery device of claim 9, wherein the induction receiver is a mesh, a screen, a helix or a braid. ### Claim 11 (depends on 1) The aerosol delivery device of claim 1, comprising a control body including the electrical power source and the induction transmitter, and a cartridge including the induction receiver and the substrate. ### Claim 12 (depends on 11) The aerosol delivery device of claim 11, wherein the control body further comprises an outer body, a controller, a flow sensor, and an indicator. ### Claim 13 (depends on 1) The aerosol delivery device of claim 1, wherein the aerosol precursor composition includes a solid tobacco material or a semi-solid tobacco material. ### Claim 14 (depends on 1) The aerosol delivery device of claim 1, wherein the aerosol precursor composition includes a liquid aerosol precursor composition. ### Claim 15 (depends on 14) The aerosol delivery device of claim 14, further comprising a container and a sealing member that define an internal compartment for the liquid aerosol precursor composition, the container defining a pocket configured to receive the substrate, and the sealing member defining an aperture through which the substrate is extended to receive the liquid aerosol precursor composition from the internal compartment. ### Claim 16 A method for assembling an aerosol delivery device, comprising: providing an induction receiver configured to receive a substrate including an aerosol precursor composition such that the induction receiver is in proximity to the substrate; providing a wireless power transmitter including an induction transmitter having a tubular configuration or a coiled configuration each defining an inner chamber, the induction transmitter being configured to removably receive the induction receiver within the inner chamber; and positioning the induction transmitter such that the induction transmitter surrounds the induction receiver received within the inner chamber, the induction transmitter configured to receive electrical current from an electrical power source that causes the induction transmitter to generate an oscillating magnetic field, and the induction receiver configured to generate heat via eddy currents induced at the induction receiver when exposed to the oscillating magnetic field and thereby heat the aerosol precursor composition to produce an aerosol. ### Claim 17 (depends on 16) The method of claim 16, wherein providing the induction receiver comprises providing the induction receiver configured to receive the substrate such that the induction receiver is in contact with the substrate. ### Claim 18 (depends on 17) The method of claim 17, wherein providing the induction receiver comprises providing the induction receiver configured to receive the substrate with the aerosol precursor composition of the substrate comprising a solid tobacco material or a semi-solid tobacco material. ### Claim 19 (depends on 16) The method of claim 16, wherein providing the induction receiver comprises providing the induction receiver configured to receive the substrate such that the induction receiver surrounds but is out of direct contact with the substrate. ### Claim 20 (depends on 16) The method of claim 16, wherein providing the wireless power transmitter comprises providing the wireless power transmitter configured such that the induction transmitter removably receiving the induction receiver surrounds but is out of direct contact with the induction receiver. ### Claim 21 (depends on 16) The method of claim 16, comprising providing a pocket defined by a container or body of the aerosol delivery device or a component engaged with the container or body, the pocket being configured to receive the substrate. ### Claim 22 (depends on 21) The method of claim 21, wherein providing the induction receiver comprises providing the induction receiver in proximity to or in contact with the substrate received by the pocket, and wherein providing the wireless power transmitter comprises providing the wireless power transmitter such that the induction transmitter surrounds the pocket having the induction receiver and the substrate therein. ### Claim 23 (depends on 16) The method of claim 16, wherein the induction transmitter is positioned surrounding but out of direct contact with the induction receiver to thereby assemble the aerosol delivery device in which the induction transmitter is removably attached to the aerosol delivery device. ### Claim 24 (depends on 16) The method of claim 16, wherein providing the induction receiver includes providing the induction receiver that is porous to allow the aerosol to freely pass through the induction receiver. ### Claim 25 (depends on 24) The method of claim 24, wherein providing the induction receiver includes providing the induction receiver that is a mesh, a screen, a helix or a braid. ### Claim 26 (depends on 16) The method of claim 16, comprising positioning the substrate inside the induction receiver. ### Claim 27 (depends on 26) The method of claim 26, wherein positioning the substrate includes positioning the substrate in which the aerosol precursor composition includes a solid tobacco material or a semi-solid tobacco material. ### Claim 28 (depends on 26) The method of claim 26, wherein positioning the substrate includes positioning the substrate in which the aerosol precursor composition includes a liquid aerosol precursor composition. ### Claim 29 (depends on 28) The method of claim 28, comprising: providing a container and a sealing member that define an internal compartment for the liquid aerosol precursor composition, the container defining a pocket in which the substrate is received; filling the internal compartment with the liquid aerosol precursor composition; and extending the substrate through an aperture defined through the sealing member to receive the liquid aerosol precursor composition from the internal compartment. ### Claim 30 (depends on 16) The method of claim 16, comprising forming a cartridge including the substrate and the induction receiver. ### Claim 31 (depends on 16) The method of claim 16, comprising forming a control body including coupling the electrical power source to the induction transmitter. ### Claim 32 An aerosol delivery device, comprising: an electrical power source; an induction receiver configured to receive a substrate including an aerosol precursor composition such that the induction receiver is in proximity to the substrate; a wireless power transmitter including an induction transmitter, the induction transmitter being configured to removably receive the induction receiver such that the induction transmitter surrounds the induction receiver, the induction transmitter configured to receive electrical current from the electrical power source that causes the induction transmitter to generate an oscillating magnetic field, and the induction receiver configured to generate heat via eddy currents induced at the induction receiver when exposed to the oscillating magnetic field and thereby heat the aerosol precursor composition to produce an aerosol; and a pocket defined by a container or body of the aerosol delivery device or a component engaged with the container or body, the pocket being configured to receive the substrate, wherein the induction receiver is in proximity to or in contact with the substrate received by the pocket, and wherein the induction transmitter is configured to surround the pocket having the induction receiver and the substrate received therein. ### Claim 33 A method for assembling an aerosol delivery device, comprising: providing an induction receiver configured to receive a substrate including an aerosol precursor composition such that the induction receiver is in proximity to the substrate; providing a wireless power transmitter including an induction transmitter configured to removably receive the induction receiver; positioning the induction transmitter such that the induction transmitter surrounds the induction receiver, the induction transmitter configured to receive electrical current from an electrical power source that causes the induction transmitter to generate an oscillating magnetic field, and the induction receiver configured to generate heat via eddy currents induced at the induction receiver when exposed to the oscillating magnetic field and thereby heat the aerosol precursor composition to produce an aerosol; and providing a pocket defined by a container or body of the aerosol delivery device or a component engaged with the container or body, the pocket being configured to receive the substrate, wherein providing the induction receiver comprises providing the induction receiver in proximity to or in contact with the substrate received by the pocket, and wherein providing the wireless power transmitter comprises providing the wireless power transmitter such that the induction transmitter surrounds the pocket having the induction receiver and the substrate therein. ### Claim 34 A method for assembling an aerosol delivery device, comprising: providing an induction receiver configured to receive a substrate including an aerosol precursor composition such that the induction receiver is in proximity to the substrate; providing a wireless power transmitter including an induction transmitter configured to removably receive the induction receiver; positioning the induction transmitter such that the induction transmitter surrounds the induction receiver, the induction transmitter configured to receive electrical current from an electrical power source that causes the induction transmitter to generate an oscillating magnetic field, and the induction receiver configured to generate heat via eddy currents induced at the induction receiver when exposed to the oscillating magnetic field and thereby heat the aerosol precursor composition to produce an aerosol; positioning the substrate inside the induction receiver, including positioning the substrate in which the aerosol precursor composition includes a liquid aerosol precursor composition; providing a container and a sealing member that define an internal compartment for the liquid aerosol precursor composition, the container defining a pocket in which the substrate is received; filling the internal compartment with the liquid aerosol precursor composition; and extending the substrate through an aperture defined through the sealing member to receive the liquid aerosol precursor composition from the internal compartment.