Aerosol provision systems

Abstract

The disclosure is directed to an electronic aerosol delivery device comprising: an aerosol generator configured to generate aerosol from an aerosol generating material, and a controller; wherein the controller is configured to monitor a level of power, P, supplied to the aerosol generator for each of a plurality of user puffs, and a first airflow parameter, A, associated with each of the plurality of user puffs, wherein the controller is further configured to estimate an amount of aerosol generated during each one of the plurality of puffs by using an equation wherein the amount of aerosol generated during each puff is expressed as a sum of a plurality of terms, the plurality of terms comprising: a first term, comprising a function of P and A, a second term, comprising a function of at least one of P and A.

1 . An electronic aerosol delivery device comprising: an aerosol generator configured to generate aerosol from an aerosol generating material, and a controller;
 wherein the controller is configured to monitor a level of power, P, supplied to the aerosol generator for each of a plurality of user puffs, and a first airflow parameter, A, associated with each of the plurality of user puffs, wherein the controller is further configured to estimate an amount of aerosol generated during each one of the plurality of puffs by using an equation wherein the amount of aerosol generated during each puff is expressed as a sum of a plurality of terms, the plurality of terms comprising:   a first term, comprising a function of P and A,   a second term, comprising a function of at least one of P and A.   
     
     
         2 . The electronic aerosol delivery device of  claim 1 , wherein the second term does not comprise A. 
     
     
         3 . The electronic aerosol delivery device of  claim 2 , wherein the second term comprises a product of P and a constant. 
     
     
         4 . The electronic aerosol delivery device of  claim 1 , wherein the second term does not comprise P. 
     
     
         5 . The electronic aerosol delivery device of  claim 4 , wherein the second term comprises a product of A and a constant. 
     
     
         6 . The electronic aerosol delivery device of  claim 1 , wherein the plurality of terms comprises a third term, comprising a function of at least one of P and A. 
     
     
         7 . The electronic aerosol delivery device of  claim 6 , wherein the third term does not comprise A. 
     
     
         8 . The electronic aerosol delivery device of  claim 7 , wherein the third term comprises a product of P and a constant. 
     
     
         9 . The electronic aerosol delivery device of  claim 6 , wherein the third term does not comprise P. 
     
     
         10 . The electronic aerosol delivery device of  claim 9 , wherein the third term comprises a product of A and a constant. 
     
     
         11 . The electronic aerosol delivery device of  claim 1 , wherein the plurality of terms comprises a fourth term, comprising a constant. 
     
     
         12 . The electronic aerosol delivery device of  claim 1 , wherein the controller is configured to determine the airflow parameter, A, separately to determination of a power delivery duration for each of the plurality of user puffs, the power delivery duration corresponding to a period of each puff during which power is supplied to the aerosol generator to generate aerosol. 
     
     
         13 . The electronic aerosol delivery device of  claim 12 , wherein the first airflow parameter is determined during an airflow duration which corresponds to a period during which an airflow is determined by the controller to be present in the aerosol delivery device. 
     
     
         14 . (canceled) 
     
     
         15 . The electronic aerosol delivery device of  claim 13 , wherein the airflow duration comprises an elapsed time between a second airflow parameter monitored by the controller meeting a first predefined condition, and the second airflow parameter meeting a second predefined condition, after the first predefined condition is met. 
     
     
         16 - 24 . (canceled) 
     
     
         25 . The electronic aerosol delivery device of  claim 12 , wherein the first airflow parameter comprises a sum of the power delivery duration and a constant. 
     
     
         26 . (canceled) 
     
     
         27 . (canceled) 
     
     
         28 . The electronic aerosol delivery device of  claim 15 , wherein the second airflow parameter comprises a measure of a rate of airflow through the aerosol delivery device. 
     
     
         29 . The electronic aerosol delivery device of  claim 1 , wherein the level of power comprises a level of power predefined to be supplied to the aerosol generator to generate aerosol during each puff. 
     
     
         30 - 36 . (canceled) 
     
     
         37 . The electronic aerosol delivery device of  claim 1 , further comprising first transceiver circuitry, configured for wireless data transmission of data from the controller to an external computing device, the data relating to the level of power, P, supplied to the aerosol generator for each of a plurality of user puffs, and/or the first airflow parameter, A, associated with each of the plurality of user puffs, and/or the amount of aerosol generated during each one of the plurality of puffs. 
     
     
         38 . (canceled) 
     
     
         39 . A method of operating an electronic aerosol delivery device comprising an aerosol generator configured to generate aerosol from an aerosol generating material, and a controller, the method comprising the steps of;
 causing the controller to monitor a level of power, P, supplied to the aerosol generator for each of a plurality of user puffs, and a first airflow parameter, A, associated with each of the plurality of user puffs,   causing the controller to estimate an amount of aerosol generated during each one of the plurality of puffs by using an equation wherein the amount of aerosol generated during each puff is expressed as a sum of a plurality of terms, the plurality of terms comprising:   a first term, comprising a function of P and A,   a second term, comprising a function of at least one of P and A.   
     
     
         40 . (canceled) 
     
     
         41 . A computing device for use with an aerosol delivery device; wherein
 the computing device comprises transceiver circuitry configured to receive data from the aerosol delivery device, the data comprising an indication of a level of power, P, supplied to an aerosol generator of the aerosol delivery device for each of a plurality of user puffs on the aerosol delivery device, and a first airflow parameter, A, associated with each of the plurality of user puffs   wherein the controller comprises controller circuitry configured to estimate an amount of aerosol generated during each one of the plurality of puffs by using an equation wherein the amount of aerosol generated during each puff is expressed as a sum of a plurality of terms, the plurality of terms comprising:   a first term, comprising a function of P and A,   a second term, comprising a function of at least one of P and A.   
     
     
         42 - 46 . (canceled)