Aerosol-generating article with long rod of aerosol-forming substrate

Abstract

An aerosol-generating article is provided, including: a rod of aerosol-forming substrate; a hollow tubular element at a downstream end of the rod of aerosol-forming substrate; and a mouthpiece element at a downstream end of the hollow tubular element, a length of the rod of aerosol-forming substrate being at least 30 percent of a length of the aerosol-generating article, the rod of aerosol-forming substrate having a tobacco content of between 30 percent by weight on dry weight basis and 90 percent by weight on a dry weight basis, the aerosol-forming substrate having a density of between 150 milligrams per cubic centimetre and 500 milligrams per cubic centimetre, a length of the hollow tubular element being at least 15 millimetres, and the rod of aerosol-forming substrate including tobacco cut filler. An aerosol-generating system including the aerosol-generating article and an aerosol-generating device is also provided.

1 .- 15 . (canceled) 
     
     
         16 . An aerosol-generating article, comprising:
 a rod of aerosol-forming substrate;   a hollow tubular element at a downstream end of the rod of aerosol-forming substrate; and   a mouthpiece element at a downstream end of the hollow tubular element,   wherein a length of the rod of aerosol-forming substrate is at least 30 percent of a length of the aerosol-generating article,   wherein the rod of aerosol-forming substrate has a tobacco content of between 30 percent by weight on dry weight basis and 90 percent by weight on a dry weight basis,   wherein the aerosol-forming substrate has a density of between 150 milligrams per cubic centimetre and 500 milligrams per cubic centimetre,   wherein a length of the hollow tubular element is at least 15 millimetres, and   wherein the rod of aerosol-forming substrate comprises tobacco cut filler.   
     
     
         17 . The aerosol-generating article according to  claim 16 , wherein the length of the rod of aerosol-forming substrate is at least 37 percent of the length of the aerosol-generating article. 
     
     
         18 . The aerosol-generating article according to  claim 16 , wherein the rod of aerosol-forming substrate has a tobacco content of between 40 percent by weight on dry weight basis and 85 percent by weight on a dry weight basis. 
     
     
         19 . The aerosol-generating article according to  claim 16 , wherein the rod of aerosol-forming substrate comprises one of more flavourants. 
     
     
         20 . The aerosol-generating article according to  claim 19 , wherein the rod of aerosol-forming substrate has a flavourant content of at least 0.1 percent by weight on a dry weight basis. 
     
     
         21 . The aerosol-generating article according to  claim 20 , wherein the rod of aerosol-forming substrate has a flavourant content of at least 5 percent by weight on a dry weight basis. 
     
     
         22 . The aerosol-generating article according to  claim 19 , wherein the rod of aerosol-forming substrate has a flavourant content of less than or equal to 25 percent by weight on a dry weight basis. 
     
     
         23 . The aerosol-generating article according to  claim 19 , wherein the one or more flavourants is one or more of: clove, ginger, mint, rosemary, star anise, and tea. 
     
     
         24 . The aerosol-generating article according to  claim 16 ,
 wherein the rod of aerosol-forming substrate comprises one of more aerosol formers, and   wherein the rod of aerosol-forming substrate has an aerosol former content of at least 5 percent by weight on a dry weight basis.   
     
     
         25 . The aerosol-generating article according to  claim 16 , wherein the rod of aerosol-forming substrate has a length of less than or equal to 30 millimetres. 
     
     
         26 . The aerosol-generating article according to  claim 16 , wherein the aerosol-generating article has an external diameter of at least 5 millimetres. 
     
     
         27 . The aerosol-generating article according to  claim 16 , wherein the rod of aerosol-forming substrate has a density of between less than 350 milligrams per cubic centimetre. 
     
     
         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 device, and 
 a heating element, 
 wherein the heating element has a length that is less than the length of the rod of aerosol-forming substrate. 
   
     
     
         29 . The aerosol-generating system according to  claim 28 , wherein the length of the heating element is less than or equal to 90 percent of the length of the rod of aerosol-forming substrate. 
     
     
         30 . The aerosol-generating system according to  claim 28 , wherein the length of the heating element is between 60 percent of the length of the rod of aerosol-forming substrate and 80 percent of the length of the rod of aerosol-forming substrate.