# US 2017/0280775 A1 · Atomizing assembly for use in an aerosol-generating system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2017/0280775 A1 - Document ID: US20170280775A1 - Status: Published application - Kind: A1 - Application number: 15/474,317 - Filed: 2017-03-30 - Published: 2017-10-05 - Earliest claimed: 2016-03-31 - Assignees: Altria Client Services LLC - Inventors: Laurent MANCA; Rui Nuno BATISTA - Web page: https://patentgrep.com/patent/US20170280775A1 ## CPC - A61M 11/00: Sprayers or atomisers specially adapted for therapeutic purposes (in general B05B; {aerosol containers B65D83/14}) - B05B 7/0012: {Apparatus for achieving spraying before discharge from the apparatus} - A24F 40/48: Fluid transfer means, e.g. pumps - A24F 40/485: Valves; Apertures - A61M 15/06: Inhaling appliances shaped like cigars, cigarettes or pipes - B05B 7/1686: {involving vaporisation of the material to be sprayed or of an atomising-fluid-generating product} - B05B 7/2464: {a liquid being fed by mechanical pumping from the container to the nozzle} - A24F 40/10: Devices using liquid inhalable precursors - A61M 15/0015: {located upstream of the dispenser, i.e. not traversed by the product} - A61M: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY (introducing media into or onto the bodies of animals A61D7/00; means for inserting tampons A61F13/26; devices for administering food or medicines orally A61J; containers for collecting, storing or administering blood or medical fluids A61J1/05); DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY (surgery A61B; chemical aspects of surgical articles A61L); DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR {(Electrotherapy, e.g. producing anaesthesia by the use of alternating or intermittent currents A61N1/36021)} - B05B: SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES (spray-mixers with nozzles B01F25/72; processes for applying liquids or other fluent materials to surfaces by spraying B05D) - A24F: SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES (inhaling appliances for medical purposes, shaped like cigars, cigarettes or pipes A61M15/06) ## Abstract An atomizing assembly includes a tubing section having an inlet end and an outlet end. The inlet end of the tubing section is connectable to a liquid storage portion, and the outlet end of the tubing section is in fluid communication with an atomizing nozzle. The tubing section is configured to deliver a flow of liquid aerosol-forming substrate through the atomizing nozzle. The atomizing nozzle includes an air channel configured to establish an air flow through the nozzle. The air flow is mixed with the flow of liquid aerosol-forming substrate. ## Claims ### Claim 1 An atomizing assembly for an aerosol generating system comprising: an atomizing nozzle defining an air channel, the air channel configured to establish an air flow through the nozzle; a liquid storage portion configured to store a liquid aerosol forming substrate; and a tubing section having an inlet end and an outlet end, the inlet end of the tubing section being connectable to the liquid storage portion, and the outlet end of the tubing section being in fluid communication with the atomizing nozzle, the tubing section being configured to deliver a flow of the liquid aerosol-forming substrate through the atomizing nozzle, the air flow being mixed with the flow of liquid aerosol-forming substrate delivered through the atomizing nozzle. ### Claim 2 (depends on 1) The atomizing assembly according to claim 1, wherein the tubing section comprises, a pump configured to controllably deliver an amount of the liquid aerosol forming substrate through the atomizing nozzle. ### Claim 3 (depends on 1) The atomizing assembly according to claim 1, wherein the pump is one of an electrically driven pump, a motorized pump, or a manually operated pump. ### Claim 4 (depends on 1) The atomizing assembly according to claim 1, wherein the liquid storage portion is pressurized. ### Claim 5 (depends on 1) The atomizing assembly according to claim 1, wherein the tubing section comprises, at least one one-way valve configured to control liquid flow through the tubing section. ### Claim 6 An aerosol generating system comprising: a housing; an air inlet in the housing; a mouthpiece at an end of the housing, an air flow path extending from the air inlet to the mouthpiece; and an atomizing assembly including, an atomizing nozzle defining an air channel, the air channel configured to establish an air flow through the nozzle; a liquid storage portion configured to store a liquid aerosol forming substrate; and a tubing section having an inlet end and an outlet end, the inlet end of the tubing section being connectable to the liquid storage portion, and the outlet end of the tubing section being in fluid communication with the atomizing nozzle, the tubing section being configured to deliver a flow of the liquid aerosol-forming substrate through the atomizing nozzle, the air flow being mixed with the flow of liquid aerosol-forming substrate delivered through the atomizing nozzle. ### Claim 7 (depends on 6) The aerosol generating system according to claim 6, wherein the air flow through the atomizing nozzle is generated in response to a draw at the mouthpiece of the aerosol generating system, wherein at least a portion of the air flow between the air inlet and the mouthpiece is guided through the air channel of the atomizing nozzle. ### Claim 8 (depends on 6) The aerosol generating system according to claim 6, wherein the air flow through the atomizing nozzle is mixed with the flow of liquid aerosol-forming substrate within the atomizing nozzle arid the mixed flow is delivered through a common outlet end. ### Claim 9 (depends on 6) The aerosol-generating system according to claim 6, wherein the air flow through the atomizing nozzle and the flow of liquid aerosol-forming substrate are delivered through separate channels having separate outlet ends. ### Claim 10 (depends on 6) The aerosol-generating system according to claim 6, further comprising: a heater element located such that the atomized liquid aerosol forming substrate is sprayed onto the heater element. ### Claim 11 (depends on 10) The aerosol-generating system according to claim 10, wherein the heater element is embedded in a heat resistive material. ### Claim 12 (depends on 10) The aerosol-generating system according to claim 10, wherein the atomizing nozzle is configured to produce a specific spray pattern that corresponds to the shape of the heater element. ### Claim 13 (depends on 6) The aerosol-generating system according to claim 6, further comprising: a main unit including, a power supply, a control unit, and the atomizing assembly of claim 6; and the liquid storage portion removably coupled to the main unit. ### Claim 14 A method for generating an aerosol, comprising: providing an aerosol generating device including an atomizing assembly, the atomizing assembly including, an atomizing nozzle defining an air channel, the air channel configured to establish an air flow through the nozzle; a liquid storage portion configured to store a liquid aerosol forming substrate; and a tubing section having an inlet end and an outlet end, the inlet end of the tubing section being connectable to the liquid storage portion, and the outlet end of the tubing section being in fluid communication with the atomizing nozzle, the tubing section being configured to deliver a flow of the liquid aerosol-forming substrate through the atomizing nozzle, the air flow being mixed with the flow of liquid aerosol-forming substrate delivered through the atomizing nozzle. delivering a flow of the liquid aerosol-forming substrate through the atomizing nozzle, mixing the air flow with the flow of the liquid aerosol forming substrate. ### Claim 15 (depends on 14) The method for generating an aerosol according to claim 14, further comprising: guiding at least a portion of the air flow through the air channel of the atomizing nozzle.