Aerosol-generating article with downstream section

Abstract

An aerosol-generating article is provided, including: a rod of aerosol-generating substrate; and a downstream section provided downstream of the rod of aerosol-generating substrate and extending to a downstream end of the aerosol-generating article, the downstream section including a hollow tubular cooling element, the downstream section having a length of at least 45 millimetres, and a ratio of a length of the downstream section to a length of the rod of aerosol-generating substrate being at least 1.5, and a maximum external diameter of the aerosol-generating article being less than 7 millimetres.

1 .- 14 . (canceled) 
     
     
         15 . An aerosol-generating article, comprising:
 a rod of aerosol-generating substrate; and   a downstream section provided downstream of the rod of aerosol-generating substrate and extending to a downstream end of the aerosol-generating article, wherein the downstream section comprises a hollow tubular cooling element, wherein the downstream section has a length of at least 45 millimetres, and wherein a ratio of a length of the downstream section to a length of the rod of aerosol-generating substrate is at least 1.5,   wherein a maximum external diameter of the aerosol-generating article is less than 7 millimetres.   
     
     
         16 . The aerosol-generating article according to  claim 15 , wherein the ratio of the length of the downstream section to a total length of the aerosol-generating article is at least 0.6. 
     
     
         17 . The aerosol-generating article according to  claim 15 , wherein the hollow tubular cooling element of the downstream section has a length of at least 40 millimetres. 
     
     
         18 . The aerosol-generating article according to  claim 15 , wherein the hollow tubular cooling element abuts the downstream end of the rod of aerosol-generating substrate. 
     
     
         19 . The aerosol-generating article according to  claim 15 , wherein the hollow tubular cooling element of the downstream section has a wall thickness of less than 0.5 millimetres. 
     
     
         20 . The aerosol-generating article according to  claim 15 , wherein the rod of aerosol-generating substrate has a length of less than  30  millimetres. 
     
     
         21 . The aerosol-generating article according to  claim 15 , wherein the aerosol-generating article has a total length of at least 60 millimetres. 
     
     
         22 . The aerosol-generating article according to  claim 15 , wherein the ratio of the length of the rod of aerosol-generating substrate to a total length of the aerosol-generating article is less than 0.4. 
     
     
         23 . The aerosol-generating article according to  claim 15 , further comprising a ventilation zone disposed at a location along the hollow tubular cooling element of the downstream section. 
     
     
         24 . The aerosol-generating article according to  claim 15 , wherein the rod of aerosol-generating substrate comprises a shredded tobacco material. 
     
     
         25 . The aerosol-generating article according to  claim 24 , wherein the shredded tobacco material has a density of less than 280 mg per cubic centimetre. 
     
     
         26 . The aerosol-generating article according to  claim 15 , further comprising an upstream element provided upstream of the rod of aerosol-generating substrate and abutting an upstream end of the rod of aerosol-generating substrate. 
     
     
         27 . The aerosol-generating article according to  claim 15 , wherein the downstream section further comprises a downstream filter segment provided downstream of the hollow tubular cooling element. 
     
     
         28 . The aerosol-generating article according to  claim 27 ,
 wherein the downstream section further comprises a downstream hollow tubular element downstream of the downstream filter segment, and   wherein the downstream hollow tubular element is at the downstream end of the aerosol-generating article.