# US 9,750,904 B2 · Aerosol dispensing device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,750,904 B2 - Document ID: US9750904B2 - Status: Granted - Kind: B2 - Application number: 14/288,955 - Filed: 2014-05-28 - Published: 2014-09-18 - Granted: 2017-09-05 - Earliest claimed: 2008-05-06 - Assignees: Nicoventures Holdings Limited - Applicants: Nicoventures Holdings Limited - Inventors: James Murphy - Web page: https://patentgrep.com/patent/US9750904B2 ## CPC - A61M 15/06: Inhaling appliances shaped like cigars, cigarettes or pipes - A24F 42/20: Devices without heating means - A24F 42/60: Constructional details - A61M 11/002: {by flow deviation causing inertial separation of transported particles} - A61M 15/0016: {located downstream of the dispenser, i.e. traversed by the product} - A61M 15/002: {with air flow regulating means} - A61M 15/0021: {Mouthpieces therefor} - A61M 15/009: {using medicine packages with incorporated spraying means, e.g. aerosol cans (pocket atomiser of the injector type A61M11/08)} - A61M 15/0091: {mechanically breath-triggered} - A61M 15/0093: {without arming or cocking, e.g. acting directly on the delivery valve} - 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)} - A24F: SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES (inhaling appliances for medical purposes, shaped like cigars, cigarettes or pipes A61M15/06) ## Abstract An aerosol dispensing device comprises a tubular body that provides a plenum, a mouthpiece having an outlet, a valve for dispensing fluid from a canister as an aerosol with relatively large and small droplet sizes into the plenum for supply to a user through the mouthpiece, and a baffle arrangement that provides first and second passageways each coupled at one end to the plenum and so configured in the mouthpiece to supply the small size droplets to the user, and the other end of the second passageway being closed to inhibit passage of the large size droplets to the mouthpiece outlet, and containing an absorbent pad to prevent leakage of liquid from the canister. The pad may be pre-loaded with a flavorant. ## Claims ### Claim 1 An aerosol dispensing device comprising: a mouthpiece defining an outlet; a tubular body that includes a plenum configured to receive relatively small and large droplets of aerosol for supply through the mouthpiece; and a baffle arrangement defining first and second passageways each coupled at one end to the plenum and configured to receive the relatively small and large droplets of aerosol, respectively, the other end of the first passageway extending to the outlet in the mouthpiece thereby forming a supply passageway for the small droplets, and the other end of the second passageway thereby forming a closed passageway configured to inhibit passage of the large droplets to the mouthpiece outlet. ### Claim 2 (depends on 1) The device according to claim 1, further comprising a pad configured to capture the large size droplets within the second passageway. ### Claim 3 (depends on 2) The device according to claim 2, wherein the pad is pre-loaded with a flavorant. ### Claim 4 (depends on 1) The device according to claim 1, wherein the baffle arrangement comprises an elongate baffle within the tubular body extending from the plenum towards the mouthpiece outlet and defining the first and second passageways. ### Claim 5 (depends on 4) The device according to claim 4, wherein the baffle is generally cylindrical and the first passageway is between the body and the baffle, and the second passageway is within the baffle. ### Claim 6 (depends on 4) The device according to claim 4, wherein the tubular body and the baffle are coaxially arranged. ### Claim 7 (depends on 4) The device according to claim 4, wherein the mouthpiece and the baffle are a single unit configured to be removably mounted on the tubular body. ### Claim 8 (depends on 1) The device according to claim 1, wherein the baffle includes side apertures configured to permit aerosol to flow from the second passageway to the first passageway. ### Claim 9 (depends on 1) The device according to claim 1, further comprising at least one external air vent. ### Claim 10 (depends on 1) The device according to claim 1, further comprising a valve, the valve configured to supply aerosol into the plenum in response to a user drawing on the mouthpiece. ### Claim 11 (depends on 10) The device according to claim 10, wherein the plenum is bounded on one side by a bulkhead that includes a nozzle configured to supply aerosol from the valve into the plenum. ### Claim 12 (depends on 1) The device according to claim 1, wherein the tubular body includes a receiving chamber configured to receive pressurized fluid. ### Claim 13 (depends on 12) The device according to claim 12, wherein the receiving chamber is configured to receive a replaceable pressurized fluid canister. ### Claim 14 An aerosol dispensing device comprising: a mouthpiece; a tubular body including a plenum configured to receive relatively small and large droplets of aerosol for supply through the mouthpiece; and a baffle arrangement defining a first passageway and a second passageway, the first passageway being coupled at one end to the plenum and configured to receive the relatively small droplets of aerosol, and extending to the outlet of the mouthpiece, forming a supply passageway for the relatively small droplets, and the second passageway being coupled at one end to the plenum and configured to receive the relatively large droplets of aerosol, and closed off at the other end so as to inhibit passage of the large droplets to the outlet of the mouthpiece. ### Claim 15 (depends on 14) The device according to claim 14, further comprising a capture pad within the second passageway. ### Claim 16 (depends on 14) The device according to claim 14, wherein the baffle arrangement comprises an elongate inner part within the tubular body extending from the plenum towards the mouthpiece outlet, thereby forming the first passageway and the second passageway. ### Claim 17 (depends on 16) The device according to claim 16, wherein the tubular body and the inner part are substantially coaxial. ### Claim 18 (depends on 16) The device according to claim 16, further comprising a tubular outer part, wherein the inner part is located within the tubular outer part and wherein the first passageway is between the tubular outer part and the inner part. ### Claim 19 (depends on 14) The device according to claim 14, further comprising at least one external air vent. ### Claim 20 (depends on 14) The device according to claim 14, further comprising an aerosol supply valve configured to supply aerosol into the plenum in response to a user drawing on the mouthpiece.