US 12,402,661 B2
Heat diffuser for an aerosol-generating system
Michel Thorens, Moudon (CH)
Assigned to Altria Client Services LLC, Richmond, VA (US)
Filed by Altria Client Services LLC, Richmond, VA (US)
Filed on Jul. 28, 2023, as Appl. No. 18/360,961.
Application 18/360,961 is a continuation of application No. 17/149,255, filed on Jan. 14, 2021.
Application 17/149,255 is a continuation of application No. 15/624,826, filed on Jun. 16, 2017, granted, now 10,918,135, issued on Feb. 16, 2021.
Application 15/624,826 is a continuation of application No. PCT/EP2017/063056, filed on May 30, 2017.
Claims priority of application No. 16172294 (EP), filed on May 31, 2016.
Prior Publication US 2023/0371129 A1, Nov. 16, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A24F 40/46 (2020.01); A24D 1/20 (2020.01); A24F 40/10 (2020.01); A24F 40/20 (2020.01); A24F 40/44 (2020.01); H05B 1/02 (2006.01); H05B 3/42 (2006.01)
CPC A24F 40/46 (2020.01) [A24D 1/20 (2020.01); A24F 40/44 (2020.01); H05B 1/0227 (2013.01); H05B 3/42 (2013.01); A24F 40/10 (2020.01); A24F 40/20 (2020.01); H05B 2203/021 (2013.01)] 25 Claims
OG exemplary drawing
 
1. An aerosol-generating device, comprising:
a heater;
an aerosol-generating article including,
a liquid retention medium defining a channel, and
a capsule including a liquid aerosol-forming substrate being within the channel of the liquid retention medium; and
a heat diffuser defining a cavity configured to receive at least a portion of the heater, the heat diffuser including a non-combustible porous body configured to absorb heat from the heater and emit heat to heat the liquid aerosol-forming substrate in the liquid retention medium to form an aerosol.