US 12,262,740 B2
Vaporizer cartridge and inhaler comprising such a vaporizer cartridge
Max Bergmann, Hamburg (DE); Lasse Cornils, Hamburg (DE); Matthias Giese, Tokyo (JP); Christian Hanneken, Hamburg (DE); Jan Jaklin, Fellbach (DE); Marc Kessler, Hamburg (DE); Michael Kleine Wächter, Lankau (DE); Thomas Müller, Hamburg (DE); Niklas Romming, Hamburg (DE); Rene Schmidt, Buchholz i.d.N. (DE); Christof Schuster, Hamburg (DE); and Tobias Wuttke, Reinbek (DE)
Assigned to KÖRBER TECHNOLOGIES GMBH, Hamburg (DE)
Appl. No. 17/619,472
Filed by KÖRBER TECHNOLOGIES GMBH, Hamburg (DE)
PCT Filed Jun. 17, 2020, PCT No. PCT/EP2020/066745
§ 371(c)(1), (2) Date Dec. 15, 2021,
PCT Pub. No. WO2020/254394, PCT Pub. Date Dec. 24, 2020.
Claims priority of application No. 102019116726.4 (DE), filed on Jun. 20, 2019.
Prior Publication US 2022/0400748 A1, Dec. 22, 2022
Int. Cl. A24F 40/20 (2020.01); A24F 40/40 (2020.01)
CPC A24F 40/20 (2020.01) [A24F 40/40 (2020.01)] 9 Claims
OG exemplary drawing
 
1. A vaporizer cartridge as a component of an inhaler, comprising:
a housing body with a flow channel;
a storage tank for storing liquid;
a vaporizer unit comprising a wick member and a heating member, the vaporizer unit being formed to be liquid-permeable in such a manner that the liquid is conveyed at least initially in a capillary manner from the storage tank through the vaporizer unit in a direction of the flow channel;
the housing body being formed with a cavity, the cavity of the housing body having a first chamber forming the storage tank and a second chamber forming a receiving chamber for the wick member, the cavity being divided by an intermediate wall;
a section of the flow channel extending between the first and second chambers;
a first access opening formed in the intermediate wall from the receiving chamber for the wick member, the first access opening being entirely covered by the heating member;
a plurality of granular grains arranged in the receiving chamber form the wick member, the plurality of granular grains bearing against the heating member, the plurality of granular grains form microchannels as a result of their fill and/or formation; and
a cover element retaining the plurality of granular grains in the receiving chamber;
wherein a second access opening for establishment of a liquid connection from the storage tank to the receiving chamber is formed in the intermediate wall, the second access opening being covered with a liquid-permeable grid structure.