An aerosol-generating article comprising a high weight ratio of aerosol-forming substrate

Abstract

An aerosol-generating article is provided, including: an aerosol-forming substrate section containing an aerosol-forming substrate; an upstream section provided at an upstream end of the aerosol-forming substrate section, the upstream section including an upstream element; and a downstream section provided at a downstream end of the aerosol-forming substrate section, the downstream section including one or more hollow tubular elements, the aerosol-generating article having a length of less than or equal to 70 millimetres, a ratio of a weight of the aerosol-forming substrate to a weight of the aerosol-generating article being at least 0.45, and a ratio of a length of the aerosol-forming substrate section to a length of the aerosol-generating article being at least 0.3.

1 .- 15 . (canceled) 
     
     
         16 . An aerosol-generating article, comprising:
 an aerosol-forming substrate section containing an aerosol-forming substrate;   an upstream section provided at an upstream end of the aerosol-forming substrate section, the upstream section comprising an upstream element; and   a downstream section provided at a downstream end of the aerosol-forming substrate section, the downstream section comprising one or more hollow tubular elements,   wherein the aerosol-generating article has a length of less than or equal to 70 millimetres,   wherein a ratio of a weight of the aerosol-forming substrate to a weight of the aerosol-generating article is at least 0.45, and   wherein a ratio of a length of the aerosol-forming substrate section to a length of the aerosol-generating article is at least 0.3.   
     
     
         17 . The aerosol-generating article according to  claim 16 , wherein the ratio of the weight of the aerosol-forming substrate to the weight of the aerosol-generating article is at least 0.55. 
     
     
         18 . The aerosol-generating article according to  claim 16 , wherein the ratio of the weight of the aerosol-forming substrate to the weight of the aerosol-generating article is at least 0.65. 
     
     
         19 . The aerosol-generating article according to  claim 16 , wherein a ratio of a weight of the downstream section to the weight of the aerosol-generating article is less than or equal to 0.45. 
     
     
         20 . The aerosol-generating article according to  claim 16 , wherein the downstream section has a length of between 18 millimetres and 40 millimetres. 
     
     
         21 . The aerosol-generating article according to  claim 16 , wherein the downstream section has a resistance to draw (RTD) of less than 20 mm H 2 O. 
     
     
         22 . The aerosol-generating article according to  claim 16 , wherein the upstream element is formed of a hollow tubular segment defining a longitudinal cavity providing an unrestricted flow channel. 
     
     
         23 . The aerosol-generating article according to  claim 16 , wherein the upstream element has a weight of less than or equal to 70 milligrams. 
     
     
         24 . The aerosol-generating article according to  claim 16 ,
 further comprising one or more susceptor elements,   wherein the one or more susceptor elements are provided in the aerosol-forming substrate section.   
     
     
         25 . The aerosol-generating article according to  claim 16 , wherein the aerosol-forming substrate section has a length of at least 8 millimetres. 
     
     
         26 . The aerosol-generating article according to  claim 16 , wherein the aerosol-forming substrate comprises one or more aerosol formers. 
     
     
         27 . The aerosol-generating article according to  claim 16 , wherein the aerosol-forming substrate has an aerosol former content of at least 10 percent by weight, on a dry weight basis. 
     
     
         28 . An aerosol-generating system, comprising:
 an aerosol-generating article according to  claim 16 ; and   an aerosol-generating device comprising:
 a heating chamber configured to receive the aerosol-generating article, and 
 at least a heating element provided at or about the periphery of the heating chamber.