Aerosol-generating article comprising wrapping paper with sections protruding in upstream direction

Abstract

An aerosol-generating article is provided, including: a downstream section, an upstream section, and a downstream wrapping paper wrapped around the downstream section, the downstream wrapping paper including protruding sections, the protruding sections protruding in an upstream direction of the aerosol-generating article. An aerosol-generating system including the aerosol-generating article and an aerosol-generating device including a cavity is also provided.

1 .- 15 . (canceled) 
     
     
         16 . An aerosol-generating article, comprising:
 a downstream section, an upstream section, and a downstream wrapping paper wrapped around the downstream section,   wherein the downstream wrapping paper comprises protruding sections, the protruding sections protruding in an upstream direction of the aerosol-generating article.   
     
     
         17 . The aerosol-generating article according to  claim 16 , wherein the protruding sections are a plurality of elongated sections. 
     
     
         18 . The aerosol-generating article according to  claim 16 , wherein the plurality of elongated sections are positioned circumferentially around the aerosol-generating article. 
     
     
         19 . The aerosol-generating article according to  claim 16 , wherein the plurality of elongated sections are positioned around the aerosol-generating article in an equidistant manner. 
     
     
         20 . The aerosol-generating article according to  claim 16 , wherein the protruding sections have one or more of a: jagged shape, a comb-like shape, or a tentacle-like shape. 
     
     
         21 . The aerosol-generating article according to  claim 16 , wherein the protruding sections protrude into the upstream section of the aerosol-generating article. 
     
     
         22 . The aerosol-generating article according to  claim 16 ,
 wherein the upstream section is adjacent to the downstream section, and   wherein the protruding sections protrude into parts of the upstream section being adjacent to the downstream section.   
     
     
         23 . The aerosol-generating article according to  claim 16 , wherein a diameter of the aerosol-generating article is larger in parts of the aerosol-generating article wrapped with the downstream wrapping paper than in parts of the aerosol-generating article lacking the downstream wrapping paper. 
     
     
         24 . The aerosol-generating article according to  claim 16 , wherein the downstream section comprises one or both of a filter section and a hollow tube section. 
     
     
         25 . The aerosol-generating article according to  claim 16 , wherein the upstream section comprises a substrate section, the substrate section comprising aerosol-forming substrate. 
     
     
         26 . The aerosol-generating article according to  claim 25 , wherein the aerosol-forming substrate comprises an aerosol-former selected from a group consisting of: polyhydric alcohols, glycerine, esters of polyhydric alcohols, and aliphatic esters of mono-, di-, or polycarboxylic acids. 
     
     
         27 . The aerosol-generating article according to  claim 25 , wherein at least one susceptor element is located in the substrate section. 
     
     
         28 . The aerosol-generating article according to  claim 16 , further comprising a ventilation zone. 
     
     
         29 . The aerosol-generating article according to  claim 28 , wherein the ventilation zone is located upstream of the protruding sections. 
     
     
         30 . The aerosol-generating article according to  claim 28 , wherein the ventilation zone comprises perforations. 
     
     
         31 . The aerosol-generating article according to  claim 30 , wherein the perforations are configured to draw ambient air into the ventilation zone. 
     
     
         32 . An aerosol-generating system, comprising
 an aerosol-generating article according to  claim 16 ; and   an aerosol-generating device comprising a cavity configured to receive the aerosol-generating article.   
     
     
         33 . The aerosol-generating system according to  claim 32 ,
 wherein the cavity comprises inner walls, and   wherein the protruding sections of the downstream wrapping paper are configured to be in contact with the inner walls when the aerosol-generating article is received in the cavity.   
     
     
         34 . The aerosol-generating system according to  claim 33 , wherein an airflow path is present between the inner walls of the cavity and the gaps between adjacent protruding sections, when the aerosol-generating article is received in the cavity. 
     
     
         35 . The aerosol-generating system according to  claim 32 , wherein the protruding sections of the downstream wrapping paper are configured to extend from outside the cavity into the cavity when the aerosol-generating article is completely received in the cavity.