Cartridge with stagnation pressure flow

Abstract

Various embodiments of the present technology may provide methods and apparatus for increasing a flow rate of a vaporizable liquid in a cartridge. The methods and apparatus for increasing the flow rate may include drawing air into an airflow path of the cartridge. The methods and apparatus for increasing the flow rate may also include diverting the air around a porous body disposed within the airflow path to form a stagnation pressure adjacent a first end of the porous body. The methods and apparatus for increasing the flow rate may further include increasing the flow rate in response to forming the stagnation pressure.

1 . A cartridge for use with a vaporizer device, comprising:
 a porous body disposed within an airflow path of the cartridge, wherein air is drawn into the cartridge and diverted around the porous body to form a stagnation pressure adjacent a first end of the porous body; and   a heating element positioned adjacent a second end of the porous body.   
     
     
         2 . The cartridge of  claim 1 , further comprising a reservoir capable of holding a vaporizable liquid therein, wherein:
 the reservoir is in fluid communication with the porous body;   the stagnation pressure is greater than a reference pressure adjacent the second end of the porous body; and   the vaporizable liquid flows from the first end to the second end at a flow rate.   
     
     
         3 . The cartridge of  claim 2 , wherein the reference pressure is a static pressure. 
     
     
         4 . The cartridge of  claim 3 , wherein the flow rate is proportional to the difference between the stagnation pressure and the static pressure. 
     
     
         5 . The cartridge of  claim 1 , wherein the porous body comprises ceramic, cellulose, cotton, silica, or a combination thereof. 
     
     
         6 . A method for increasing a flow rate of a vaporizable liquid in a cartridge, comprising:
 drawing air into an airflow path of the cartridge;   diverting the air around a porous body disposed within the airflow path to form a stagnation pressure adjacent a first end of the porous body; and   increasing the flow rate in response to forming the stagnation pressure.   
     
     
         7 . The method of  claim 6 , wherein:
 the stagnation pressure is greater than a reference pressure adjacent a second end of the porous body; and   the vaporizable liquid flows from the first end to the second end at a flow rate.   
     
     
         8 . The method of  claim 7 , wherein the reference pressure is a static pressure. 
     
     
         9 . The method of  claim 8 , wherein the flow rate is proportional to the difference between the stagnation pressure and the static pressure.