US 12,128,179 B2
Aerosol delivery device including a bubble jet head and related method
David Allan Brammer, Smyrna, GA (US); David Jackson, Gainesville, GA (US); Nigel Flynn, Flowery Branch, GA (US); Eric T. Hunt, Pfafftown, NC (US); Stephen Benson Sears, Siler City, NC (US); and Dennis Lee Potter, Kernersville, NC (US)
Assigned to RAI Strategic Holdings, Inc., Winston-Salem, NC (US)
Filed by RAI Strategic Holdings, Inc., Winston-Salem, NC (US)
Filed on Aug. 25, 2022, as Appl. No. 17/895,867.
Application 17/895,867 is a continuation of application No. 16/723,032, filed on Dec. 20, 2019, granted, now 11,458,265.
Application 16/723,032 is a continuation of application No. 14/524,778, filed on Oct. 27, 2014, granted, now 10,548,351, issued on Feb. 4, 2020.
Claims priority of provisional application 61/897,917, filed on Oct. 31, 2013.
Prior Publication US 2022/0401669 A1, Dec. 22, 2022
Int. Cl. A61M 15/02 (2006.01); A24F 40/10 (2020.01); A24F 40/42 (2020.01); A24F 40/44 (2020.01); A24F 40/48 (2020.01); A24F 40/485 (2020.01); A24F 40/50 (2020.01); A61M 11/00 (2006.01); A61M 11/04 (2006.01); A61M 15/06 (2006.01); A61M 16/00 (2006.01); F24H 1/00 (2022.01); H05B 3/02 (2006.01)
CPC A61M 15/025 (2014.02) [A24F 40/42 (2020.01); A24F 40/44 (2020.01); A24F 40/48 (2020.01); A24F 40/485 (2020.01); A24F 40/50 (2020.01); A61M 11/007 (2014.02); A61M 15/06 (2013.01); F24H 1/0018 (2013.01); H05B 3/02 (2013.01); A24F 40/10 (2020.01); A61M 11/042 (2014.02); A61M 2016/0024 (2013.01); A61M 2205/8206 (2013.01)] 22 Claims
OG exemplary drawing
 
1. An aerosol delivery device, comprising:
an outer body;
a liquid reservoir within the outer body;
an airflow path through at least a portion of the outer body; and
a combined assembly comprising a bubble jet unit and a vaporization chamber defined in a substrate and positioned as the combined assembly within the outer body and configured to receive liquid from the liquid reservoir in a first portion of the combined assembly forming the bubble jet unit and dispense the liquid to a second portion of the combined assembly forming the vaporization chamber where the liquid is vaporized and provided into the airflow path; wherein the first portion defines at least two horizontal inlets, at least two liquid channels and the first portion includes one or more ejection elements positioned in each of the at least two liquid channels; wherein the first portion forms a divider positioned between and separating two liquid channels of the at least two liquid channels and, each horizontal inlet of the at least two horizontal inlets provides entry of the liquid into a respective liquid channel of the at least two liquid channels.