Electronic aerosol provision device

Abstract

An electronic aerosol provision system, comprising an air pathway between an air inlet and an air outlet; and a vaporiser for generating vapour into the air pathway; wherein the air pathway between the air inlet and the vaporiser is configured to support laminar airflow.

1 . An electronic aerosol provision system, comprising:
 an air pathway between an air inlet and an air outlet; and   a vaporizer for generating vapor into the air pathway;   wherein the air pathway between the air inlet and the vaporizer is configured to support laminar airflow.   
     
     
         2 . The electronic aerosol provision system of  claim 1 , wherein the air pathway comprises a linear channel between the air inlet and the vaporizer. 
     
     
         3 . The electronic aerosol provision system of  claim 1 , wherein the air pathway between the air inlet and the vaporizer includes one or more curved portions, wherein each of the one or more curved portions has a radius of curvature greater than 5 mm and preferably greater than 15 mm. 
     
     
         4 . The electronic aerosol provision system of  claim 1 , wherein the air pathway between the air inlet and the vaporizer is substantially free of obstructions that would introduce turbulence into airflow along the air pathway. 
     
     
         5 . The electronic aerosol provision system of  claim 1 , wherein the air pathway between the air inlet and the vaporizer is defined by one or more walls that are substantially free of topology that would introduce turbulence into airflow along the air pathway. 
     
     
         6 . The electronic aerosol provision system of  claim 1 , wherein the air pathway between the vaporizer and the air outlet is configured to support laminar air flow. 
     
     
         7 . The electronic aerosol provision system of  claim 1 , further comprising a facility to control turbulence within the air pathway. 
     
     
         8 . The electrical aerosol provision system of  claim 7 , wherein said facility has at least first and second settings, the first setting providing a higher proportion of laminar flow relative to turbulence than the second setting. 
     
     
         9 . The electrical aerosol provision system of  claim 8 , wherein the first setting produces an aerosol having a smaller particle size than the second setting. 
     
     
         10 . The electrical aerosol provision system of  claim 9 , wherein the first setting produces an aerosol having a median particle size that is at least 10%, preferably at least 20%, smaller than the median particle size of an aerosol produced by the second setting. 
     
     
         11 . The electrical aerosol provision system of  claim 9 , wherein the first setting produces an aerosol having a median particle size less than 1 micron and the second setting produces an aerosol having a median particle size greater than 1 micron. 
     
     
         12 . The aerosol provision system of  claim 8 , wherein the first setting reduces particle coagulation compared to the second setting. 
     
     
         13 . The aerosol provision system of  claim 8 , wherein the first setting reduces vapor deposition onto particles compared to the second setting. 
     
     
         14 . The electronic aerosol provision system of  claim 7 , wherein the facility supports movement of the airflow pathway. 
     
     
         15 . The electronic aerosol provision system of  claim 14 , wherein the movement of the airflow pathway is configured to introduce or remove a linear channel between the air inlet and the vaporizer. 
     
     
         16 . The electronic aerosol provision system of  claim 7 , wherein the facility comprises an airflow divider for dividing a portion of the air pathway into two or more channels. 
     
     
         17 . The electronic aerosol provision system of  claim 7 , wherein the facility comprises an aperture having multiple shapes. 
     
     
         18 . The electronic aerosol provision system of  claim 7 , wherein the facility comprises one or more structures that are introduced into or altered within the air pathway. 
     
     
         19 . The electronic aerosol provision system of  claim 7 , wherein the electronic aerosol provision system is configured to maintain a substantially constant airflow through the air pathway as the facility provides different levels of turbulence. 
     
     
         20 . The electronic aerosol provision system of  claim 7 , wherein the facility can be set by a user to control turbulence. 
     
     
         21 . An electronic aerosol provision system, comprising:
 an air pathway between an air inlet and an air outlet;   a vaporizer for generating vapor into the air pathway; and   a facility for adjusting the air pathway to control turbulence within the air pathway.   
     
     
         22 . A method of operating an electronic aerosol provision system, comprising:
 providing an air pathway between an air inlet and an air outlet and a vaporizer for generating vapor into the air pathway; and   adjusting the air pathway to control turbulence within the air pathway.