US 11,737,175 B2
Fluid permeable heater assembly for aerosol-generating systems and flat electrically conductive filament arrangement for fluid permeable heater assemblies
Oleg Mironov, Neuchatel (CH); and Ihar Nikolaevich Zinovik, Peseux (CH)
Assigned to Altria Client Services LLC, Richmond, VA (US)
Filed by Altria Client Services LLC, Richmond, VA (US)
Filed on Apr. 17, 2020, as Appl. No. 16/851,761.
Application 16/851,761 is a continuation of application No. 15/609,223, filed on May 31, 2017, granted, now 10,667,557.
Application 15/609,223 is a continuation of application No. PCT/EP2017/062251, filed on May 22, 2017.
Claims priority of application No. 16172195 (EP), filed on May 31, 2016.
Prior Publication US 2020/0236997 A1, Jul. 30, 2020
Int. Cl. H05B 3/34 (2006.01); H05B 3/44 (2006.01); A24F 40/40 (2020.01); A24F 40/44 (2020.01); A24F 40/46 (2020.01); H05B 3/26 (2006.01); A24F 40/10 (2020.01)
CPC H05B 3/34 (2013.01) [A24F 40/40 (2020.01); A24F 40/44 (2020.01); A24F 40/46 (2020.01); H05B 3/26 (2013.01); H05B 3/44 (2013.01); A24F 40/10 (2020.01); H05B 2203/021 (2013.01); H05B 2203/022 (2013.01)] 16 Claims
OG exemplary drawing
 
1. An electrically conductive flat filament arrangement for a fluid permeable heater assembly for aerosol-generating systems, the flat filament arrangement comprising:
a center portion; and
two side portions, the two side portions being arranged on opposite sides of the center portion, the center portion defining a heating region of the filament arrangement and the side portions defining electrical contact regions of the filament arrangement, the center portion and the two side portions each including,
a plurality of openings, the plurality of openings of the center area defining an open area of the center portion and the plurality of openings of each side portion defining an open area of each of the two side portions, a percentage of a total area of the center portion including the open area of the center portion being greater than a percentage of a total area of one of the two side portions including the open area of each of the two side portions.