Aerosol-generating article with liquid-conveying susceptor assembly
An aerosol-generating article is provided for an inductively heatable aerosol-generating device, the article including a liquid reservoir to store aerosol-forming liquid; and a liquid-conveying susceptor assembly to convey the aerosol-forming liquid into a region outside the liquid reservoir and for inductively heating the aerosol-forming liquid under an influence of an alternating magnetic field to generate an aerosol, the assembly including a filament bundle of inductively heatable filaments including first and second soaking sections and an intermediate section therebetween, the soaking sections being arranged at least partially in the liquid reservoir and the intermediate section being arranged outside the liquid reservoir, the filaments being parallel to each other along the intermediate section, and the soaking sections differing from each other in at least one of a number of fibers therein, a surface property of the filaments therein, or a length thereof.
1 . An aerosol-generating article for an inductively heatable aerosol-generating device, the aerosol-generating article comprising:
a liquid reservoir configured to store aerosol-forming liquid; and
a liquid-conveying susceptor assembly configured to convey the aerosol-forming liquid from the liquid reservoir into a region outside the liquid reservoir and for inductively heating the aerosol-forming liquid under an influence of an alternating magnetic field to generate an aerosol, the liquid-conveying susceptor assembly comprising
a filament bundle of a plurality of inductively heatable filaments, the filament bundle comprising a first soaking section, a second soaking section, and an intermediate section between the first soaking section and the second soaking section,
wherein the first soaking section and the second soaking section are each arranged at least partially in the liquid reservoir and the intermediate section is arranged in a region outside the liquid reservoir,
wherein along at least the intermediate section the plurality of inductively heatable filaments are arranged parallel to each other, and
wherein the first soaking section and the second soaking section differ from each other in at least one of a number of fibers in the respective soaking section, a surface property of the filaments in the respective soaking section, or a length of the respective soaking section.
2 . The aerosol-generating article according to claim 1 , wherein the filament bundle is substantially U-shaped or C-shaped or V-shaped.
3 . The aerosol-generating article according to claim 2 ,
wherein the first soaking section and the second soaking section each form at least partially an arm of the U-shape or the C-shape or the V-shape, respectively, and
wherein the intermediate section forms a base of the U-shape or the C-shape or the V-shape, respectively.
4 . The aerosol-generating article according to claim 1 ,
wherein the first soaking section is located at least partially at a first end portion of the filament bundle, and
wherein the second soaking section is located at least partially at a second end portion of the filament bundle.
5 . The aerosol-generating article according to claim 1 ,
wherein the liquid reservoir comprises a first compartment and a second compartment, and
wherein the first soaking section is arranged at least partially in the first compartment and the second soaking section is arranged at least partially in the second compartment.
6 . The aerosol-generating article according to claim 5 , wherein the first compartment is fluidly separated from the second compartment.
7 . The aerosol-generating article according to claim 1 ,
wherein the first soaking section has a length of at most 10 percent, or 20 percent, or 30 percent, or 40 percent, or 50 percent, or 60 percent, of a total length of the filament bundle, and
wherein the second soaking section has a length of at most 10 percent, or 20 percent, or 30 percent, or 40 percent, or 50 percent, or 60 percent, of the total length of the filament bundle.
8 . The aerosol-generating article according to claim 1 , wherein the intermediate section has a length of at most 10 percent, or 20 percent, or 30 percent, or 40 percent, or 50 percent, or 60 percent, or 70 percent, or 80 percent, or 90 percent, or 100 percent of a total length of the filament bundle.
9 . The aerosol-generating article according to claim 1 , wherein the filament bundle further comprises an expanded portion in which a mean center-to-center distance between filaments of the plurality of inductively heatable filaments is larger than in other portions of the filament bundle along a length extension of the filament bundle.
10 . The aerosol-generating article according to claim 1 ,
wherein the filament bundle further comprises a plurality of first filaments including a first susceptor material, and a plurality of second filaments including a second susceptor material, and
wherein the second susceptor material comprises a ferrimagnetic material or a ferromagnetic material.
11 . An aerosol-generating system, comprising:
an inductively heatable aerosol-generating device; and
an aerosol-generating article according to claim 1 for the inductively heatable aerosol-generating device,
the inductively heatable aerosol-generating device comprising:
a receiving cavity configured to removably receive the aerosol-generating article, and
at least one induction source configured and arranged to generate an alternating magnetic field in the intermediate section of the filament bundle when the aerosol-generating article is received in the receiving cavity.
12 . The aerosol-generating system according to claim 11 , wherein the at least one induction source comprises an induction coil arranged around the receiving cavity.
13 . The aerosol-generating system according to claim 12 , wherein the induction coil is arranged around the intermediate section of the filament bundle when the aerosol-generating article is received in the receiving cavity.