US 12,264,664 B2
Aerosol-generating device
Ben Mazur, Bristol (GB)
Assigned to Altria Client Services LLC, Richmond, VA (US)
Filed by Altria Client Services LLC, Richmond, VA (US)
Filed on Nov. 15, 2022, as Appl. No. 18/055,560.
Application 18/055,560 is a continuation of application No. 16/993,486, filed on Aug. 14, 2020, granted, now 11,506,193.
Application 16/993,486 is a continuation of application No. 16/241,043, filed on Jan. 7, 2019, granted, now 10,746,167, issued on Aug. 18, 2020.
Application 16/241,043 is a continuation of application No. 15/675,164, filed on Aug. 11, 2017, granted, now 10,174,749, issued on Jan. 8, 2019.
Application 15/675,164 is a continuation of application No. PCT/EP2017/068691, filed on Jul. 24, 2017.
Claims priority of application No. 16184283 (EP), filed on Aug. 16, 2016.
Prior Publication US 2023/0071091 A1, Mar. 9, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A24F 40/00 (2020.01); A24F 40/48 (2020.01); A24F 40/485 (2020.01); A61M 15/00 (2006.01); A61M 15/06 (2006.01); F04B 43/02 (2006.01); F04B 43/04 (2006.01); A24F 40/10 (2020.01); A61M 11/00 (2006.01); A61M 11/04 (2006.01)
CPC F04B 43/026 (2013.01) [A24F 40/48 (2020.01); A24F 40/485 (2020.01); A61M 15/0065 (2013.01); A61M 15/06 (2013.01); F04B 43/046 (2013.01); A24F 40/10 (2020.01); A61M 11/005 (2013.01); A61M 11/042 (2014.02); A61M 15/0085 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A cartridge of an aerosol-generating device, the cartridge comprising:
a housing;
a mouthpiece at an end of the housing;
a reservoir in the housing;
an atomizer in the housing; and
a pump in the housing, the pump configured to supply aerosol-forming substrate from the reservoir to the atomizer, the pump including,
a first pump chamber and a second pump chamber, each of the first pump chamber and the second pump chamber having an inlet valve and an outlet valve configured to establish a pumping direction,
a common inlet, and
a common outlet, the common inlet and the common outlet being in fluid communication with the first pump chamber and the second pump chamber and being configured to establish a flow direction, the pumping direction aligned with the flow direction.