Aerosol Generation Device, Associated Assembly and Controlling Method

Abstract

An aerosol generation device includes a vaporizable material storage portion; a tobacco article socket; a flow channel extending between flow inlet and outlet and defining a vaporizable material channel part passing through said storage portion and a socket channel part passing through said socket; and a heating system for heating a vaporizable material and a tobacco article to form mixed aerosol, including a vaporizable material heater and a tobacco article heater surrounding a tobacco article-receiving hole and being integrated into a delimiting wall delimiting said hole or adjacent to said wall. The tobacco article heater includes heating sections arranged along said hole. The aerosol generation device includes a control unit for controlling the activation of the heating sections according to a predefined heating profile during a vaping session.

1 . An aerosol generation device comprising:
 a vaporizable material storage portion for storing a vaporizable material;   a tobacco article socket configured to receive a tobacco article;   a flow channel extending between a flow inlet and a flow outlet, the flow channel defining a vaporizable material channel part passing through the vaporizable material storage portion and a socket channel part passing through the tobacco article socket; and   a heating system configured to heat the vaporizable material and the tobacco article to form mixed aerosol in the flow channel, the heating system comprising a vaporizable material heater for heating the vaporizable material and a tobacco article heater for heating the tobacco article, the tobacco article heater surrounding a tobacco article-receiving hole and integrated into a delimiting wall delimiting the article-receiving hole or adjacent to the delimiting wall;   wherein the tobacco article heater further comprises a succession of heating sections arranged along the tobacco article-receiving hole; and   wherein the aerosol generation device comprises a control unit configured to control the activation of the heating sections according to a predefined heating profile (P) during a vaping session.   
     
     
         2 . The aerosol generation device according to  claim 1 , extending along a device axis (X), the vaporizable material storage portion and the tobacco article socket successively arranged along the device axis (X) or the vaporizable material storage portion and the tobacco article socket successively arranged along an axis perpendicular to the device axis (X). 
     
     
         3 . The aerosol generation device according to  claim 1 , wherein the flow channel extends from the flow inlet to the flow outlet according to a channel direction, the vaporizable material channel part and the tobacco article channel part arranged successively following the channel direction, the flow channel comprising a bypass section connecting the flow inlet directly to the socket channel part. 
     
     
         4 . The aerosol generation device according to  claim 1 , wherein the tobacco article heater is configured to heat the tobacco article at a first temperature and the vaporizable material heater is configured to heat the vaporizable material at a second temperature, the first temperature and the second temperature being distinct, the first temperature being less than 400° C. 
     
     
         5 . The aerosol generation device according to  claim 1 , wherein each heating section is configured to be activated independently from each other. 
     
     
         6 . The aerosol generation device according to  claim 1 , wherein the predefined heating profile (P) defines, for each heating section, an activation time interval within the vaping session during which said heating section is to be activated. 
     
     
         7 . The aerosol generation device according to  claim 1 , wherein according to the predefined heating profile (P), the heating sections are configured to be activated successively from a first heating section. 
     
     
         8 . The aerosol generation device according to  claim 1 ,
 wherein the predefined heating profile (P) defines, for each heating section, an activation time interval within the vaping session during which said heating section is to be activated, and   wherein the activation time intervals of two successive heating sections are in part superposed within the vaping session on a superposed interval.   
     
     
         9 . The aerosol generation device according to  claim 8 , wherein the duration of the or each superposed interval is between 5% and 50% of the duration of the activation time interval of each heating section of the two successive heating sections. 
     
     
         10 . The aerosol generation device according to  claim 8 , wherein the succession of heating sections comprises at least three heating sections, the or each group of three heating sections comprises a first heating section, a second heating section and a third heating section arranged successively,
 wherein, for the or each group of three heating sections, the activation time interval of the first heating section and the activation time interval of the second heating section being in part superposed on a first superposed interval, and, the activation time interval of the second heating section and the activation time interval of the third heating section being in part superposed on a second superposed interval, the first superposed interval and the second superposed interval being disjoint.   
     
     
         11 . The aerosol generation device according to  claim 1 ,
 wherein the predefined heating profile (P) defines, for each heating section, an activation time interval within the vaping session during which said heating section is to be activated, and   wherein each activation time interval has a duration between 80 and 100 seconds.   
     
     
         12 . An aerosol generation assembly comprising the aerosol generation device according to  claim 1 , a vaporizable material and a tobacco article. 
     
     
         13 . The assembly according to  claim 12 , wherein the tobacco article is a stick or a capsule comprising tobacco or a ready-made cigarette. 
     
     
         14 . A controlling method for controlling an aerosol generation device according to  claim 1 , comprising a step of activating the succession of heating sections according to the predefined heating profile (P). 
     
     
         15 . The controlling method for controlling according to  claim 14 , wherein the predefined heating profile (P) defines, for each heating section, an activation time interval within the vaping session during which said heating section is to be activated, and, according to the predefined heating profile (P), the heating sections are configured to be activated successively from a first heating section; and
 wherein the activation the succession of heating sections comprises successively activating the succession of heating sections from the first heating section according to the predefined heating profile (P).   
     
     
         16 . The aerosol generation device according to  claim 4 , wherein the first temperature is between 200° C. and 399° C.