Smoking article and aerosol generating system including the same

Abstract

A smoking article includes a medium accommodation portion that includes a cigarette column portion filled with cut tobacco leaves and a paper tube portion, a moisturizer accommodation portion that is disposed on one side of the medium accommodation portion and that includes an aerosol generating material, and a filter portion disposed on another side of the medium accommodation portion. A length of the cigarette column portion may be ½ of a length of a general medium accommodation portion, and the entire cigarette column portion may be heated by a heater.

1 . A smoking article comprising:
 a medium accommodation portion comprising: a cigarette column portion filled with cut tobacco leaves; and a paper tube portion;   a moisturizer accommodation portion disposed on one side of the medium accommodation portion and comprising an aerosol generating material; and   a filter portion disposed on another side of the medium accommodation portion,   wherein the entire cigarette column portion is heated by a heater.   
     
     
         2 . The smoking article of  claim 1 , wherein a length of the cigarette column portion is ½ of a length of a general medium accommodation portion. 
     
     
         3 . The smoking article of  claim 1 , wherein
 the cigarette column portion has a length of 4 to 8 millimeters (mm), and   the paper tube portion has a length of 4 to 8 mm.   
     
     
         4 . The smoking article of  claim 1 , wherein the cut tobacco leaves are prepared by finely cutting a slurry-type reconstituted tobacco sheet. 
     
     
         5 . The smoking article of  claim 1 , wherein the cut tobacco leaves in the cigarette column portion are arranged in a same direction. 
     
     
         6 . The smoking article of  claim 1 , wherein the aerosol generating material comprises glycerin and propylene glycol and optionally comprises nicotine. 
     
     
         7 . The smoking article of  claim 1 , wherein the filter portion comprises:
 a first filter portion comprising a cavity therein; and   a second filter portion fully filled with a filtration material.   
     
     
         8 . The smoking article of  claim 1 , wherein at least one segment selected from a group consisting of the medium accommodation portion, the moisturizer accommodation portion, and the filter portion is wrapped with a segment wrapper. 
     
     
         9 . The smoking article of  claim 8 , wherein a plurality of segments wrapped with the segment wrapper is wrapped with a total wrapper. 
     
     
         10 . The smoking article of  claim 1 , wherein the medium accommodation portion has a resistance to draw of 50 to 70 mmH 2 O. 
     
     
         11 . An aerosol generating device, wherein the aerosol generating device is configured to receive the smoking article of  claim 1  and provide an aerosol inhalable by a user by heating the aerosol generating material stored in the smoking article. 
     
     
         12 . The aerosol generating device of  claim 11 , wherein the aerosol generating device comprises:
 an elongated cavity configured to accommodate the smoking article;   a heater configured to heat at least a part of each of the medium accommodation portion and the moisturizer accommodation portion of the smoking article; and   a controller electrically connected to the heater.   
     
     
         13 . The aerosol generating device of  claim 12 , wherein the heater is configured to heat the entire cigarette column portion and a part of the paper tube portion in the medium accommodation portion. 
     
     
         14 . An aerosol generating system comprising a smoking article and an aerosol generating device, wherein
 the smoking article comprises:
 a medium accommodation portion comprising: a cigarette column portion filled with cut tobacco leaves; and a paper tube portion; 
 a moisturizer accommodation portion disposed on one side of the medium accommodation portion and comprising an aerosol generating material; and 
 a filter portion disposed on another side of the medium accommodation portion, 
   wherein the entire cigarette column portion is heated by a heater, and   the aerosol generating device is configured to receive the smoking article and provide an aerosol inhalable by a user by heating the aerosol generating material stored in the smoking article.