Aerosol-generating device with resistance-to-draw modifying element

Abstract

An aerosol-generating device is provided, including: a housing; and a resistance-to-draw modifier including: first and second components, and at least one airflow channel, the first and the second components cooperating to form the one airflow channel, at least one of the first and the second components being configured to be moveable with respect to the other of the first and the second components between at least a first position and a second position, an inner surface area of the airflow channel formed by the first and the second components being smaller when the first and the second components are in the first position than the inner surface area of the airflow channel when the first and the second components are in the second position, and a cross-sectional area of the airflow channel in the first position and in the second position remaining unchanged.

1 .- 16 . (canceled) 
     
     
         17 . An aerosol-generating device, comprising:
 a housing; and   a resistance-to-draw modifying element, the resistance-to-draw modifying element comprising:
 a first component, 
 a second component, and 
 at least one airflow channel, wherein the first component and the second component cooperate to form the at least one airflow channel, 
 wherein at least one of the first component and the second component are configured to be moveable with respect to the other of the first component and second component between at least a first position and a second position, 
 wherein an inner surface area of the at least one airflow channel formed by the first component and the second component is smaller when the first component and the second component are in the first position than the inner surface area of the at least one airflow channel when the first component and the second component are in the second position, and 
 wherein a cross-sectional area of the at least one airflow channel in the first position and in the second position remains unchanged. 
   
     
     
         18 . The aerosol-generating device according to  claim 17 ,
 wherein the first component comprises a cavity, and   wherein the second component is configured to be moveable within the cavity.   
     
     
         19 . The aerosol-generating device according to  claim 17 , wherein one or both of the first component and the second component are configured to be rotatable with respect to each other. 
     
     
         20 . The aerosol-generating device according to  claim 17 ,
 wherein one or both of the first component and the second component are configured to be moveable with respect to the other of the first component and the second component between at least the first position, the second position, and a third position,   wherein the inner surface area of the at least one airflow channel in the first position is smaller than the inner surface area of the at least one airflow channel in the second position,   wherein the inner surface area of the at least one airflow channel in the second position is smaller than the inner surface area of the at least one airflow channel in the third position, and   wherein the cross-sectional area of the at least one airflow channel in the first position, second position and third position remains unchanged.   
     
     
         21 . The aerosol-generating device according to  claim 17 ,
 wherein the first component comprises at least one groove to form a first part of the at least one airflow channel, and   wherein the second component comprises at least one groove to form a second part of the at least one airflow channel.   
     
     
         22 . The aerosol-generating device according to  claim 17 ,
 wherein the first component comprises multiple grooves, such that each groove forms a part of the at least one airflow channel, and   wherein the second component comprises multiple grooves, such that each groove forms a part of the at least one airflow channel.   
     
     
         23 . The aerosol-generating device according to  claim 22 , wherein the first component and the second component each comprise the same number of grooves. 
     
     
         24 . The aerosol-generating device according to  claim 21 ,
 wherein in the first position, each groove of the first component abuts one groove of the second component to form a pair of abutted, fluidly communicating grooves, and   wherein in each consecutive position the number of pairs of grooves is consecutively reduced by one pair of grooves.   
     
     
         25 . The aerosol-generating device according to  claim 22 ,
 wherein in the first position, each groove of the first component abuts one groove of the second component to form a pair of abutted, fluidly communicating grooves, and   wherein in each consecutive position the number of pairs of grooves is consecutively reduced by one pair of grooves.   
     
     
         26 . The aerosol-generating device according to  claim 17 , wherein one or more of the first component, the cavity, and the second component have a cylindrical shape. 
     
     
         27 . The aerosol-generating device according to  claim 17 ,
 wherein the aerosol-generating device comprises a heating chamber,   wherein the heating chamber is arranged downstream of the resistance-to-draw modifying element, and   wherein the heating chamber abuts the resistance-to-draw modifying element.   
     
     
         28 . The aerosol-generating device according to  claim 17 , wherein one or both of the first component and the second component are configured to be moveable with respect to the other of the first component and the second component along a longitudinal axis of one or more of the aerosol-generating device, the first component, and the second component. 
     
     
         29 . The aerosol-generating device according to  claim 17 , wherein one or both of the first component and the second component are configured to be slidable with respect to the other of the first component and the second component along a longitudinal axis of one or more of the aerosol-generating device, the first component, and the second component. 
     
     
         30 . The aerosol-generating device according to  claim 28 , wherein a length of the at least one airflow channel in one of the first position and the second position is larger than a length of the at least one airflow channel in the other of the first position and the second position. 
     
     
         31 . The aerosol-generating device according to  claim 29 , wherein a length of the at least one airflow channel in one of the first position and the second position is larger than a length of the at least one airflow channel in the other of the first position and the second position. 
     
     
         32 . The aerosol-generating device according to  claim 28 ,
 wherein the aerosol-generating device comprises at least one air outlet channel,   wherein the first component and the second component cooperate to at least partially form the air outlet channel,   wherein the air outlet channel is arranged downstream of the at least one airflow channel, and   wherein a size of the air outlet channel in the first position is larger than a size of the air outlet channel in the second position.   
     
     
         33 . The aerosol-generating device according to  claim 32 , wherein the at least one airflow channel and the air outlet channel are in fluid communication with each other. 
     
     
         34 . The aerosol-generating device according to  claim 28 , wherein the first component and the second component are further configured to be movable with respect to each other, such that in consecutive positions, a part of the at least one airflow channel is blocked. 
     
     
         35 . The aerosol-generating device according to  claim 28 , wherein at least one of the first component and the second component are configured to be movable with respect to the other of the first component and the second position to an ultimate position, such that in an ultimate position the at least one airflow channel is fully blocked. 
     
     
         36 . A method for controlling the resistance-to-draw of an aerosol-generating device according to  claim 17 , the method comprising:
 moving one or more of the first component and the second component between a first position and a second position.