Vaporizer assembly

Abstract

A vaporizer assembly, which includes a heating element and a conduit assembly configured to direct air to flow through a conduit in fluid communication with the heating element, further includes a dispensing interface assembly configured to be in fluid communication with both the conduit and the vaporizer assembly exterior. The dispensing interface assembly includes a first dispensing interface and a second dispensing interface. The first dispensing interface is in direct fluid communication with the conduit and the heating element. A portion of the second dispensing interface is exposed to the vaporizer assembly exterior. The second dispensing interface is isolated from direct fluid communication with the heating element by the first dispensing interface, and the first dispensing interface is isolated from direct fluid communication with the reservoir by the second dispensing interface. The second dispensing interface is configured to restrict a flow of pre-vapor formulation to the first dispensing interface.

What is claimed is: 
     
         1 . A vaporizer assembly for an e-vaping device, the vaporizer assembly comprising:
 a heating element;   a conduit assembly including one or more inner surfaces defining a conduit extending through an interior of the conduit assembly, such that the conduit assembly is configured to direct air to flow through the conduit in fluid communication with the heating element; and   a dispensing interface assembly configured to be in fluid communication with both the conduit and a reservoir holding a pre-vapor formulation, the dispensing interface assembly configured to supply the pre-vapor formulation from the reservoir to the heating element, the dispensing interface assembly including a first dispensing interface and a second dispensing interface, the first dispensing interface extending through the conduit and coupled to the heating element within the conduit such that the first dispensing interface is in direct fluid communication with the conduit and the heating element, a portion of the second dispensing interface exposed to an exterior of the vaporizer assembly such that the second dispensing interface is configured to be in direct fluid communication with the reservoir via the portion of the second dispensing interface, the second dispensing interface isolated from direct fluid communication with the heating element by the first dispensing interface, the first dispensing interface isolated from direct fluid communication with the reservoir by the second dispensing interface,   wherein the first dispensing interface and the second dispensing interface include different wicking materials having different respective capacities to draw pre-vapor formulation, such that the second dispensing interface is configured to restrict a flow of pre-vapor formulation from the reservoir to the first dispensing interface based on the first dispensing interface and the second dispensing interface including said different wicking materials.   
     
     
         2 . The vaporizer assembly of  claim 1 , wherein the first dispensing interface is in direct contact with the heating element. 
     
     
         3 . The vaporizer assembly of  claim 1 , wherein the second dispensing interface is in direct contact with the first dispensing interface. 
     
     
         4 . The vaporizer assembly of  claim 1 , wherein the second dispensing interface is isolated from direct fluid communication with the conduit. 
     
     
         5 . The vaporizer assembly of  claim 1 , wherein the vaporizer assembly is configured to be detachably coupled to the reservoir. 
     
     
         6 . A cartridge for an e-vaping device, the cartridge comprising:
 a reservoir configured to hold a pre-vapor formulation; and   a vaporizer assembly coupled to the reservoir, the vaporizer assembly configured to draw the pre-vapor formulation from the reservoir, the vaporizer assembly further configured to heat the drawn pre-vapor formulation to form a generated vapor, the vaporizer assembly including
 a heating element; 
 a conduit assembly including one or more inner surfaces defining a conduit extending through an interior of the conduit assembly, such that the conduit assembly is configured to direct air to flow through the conduit in fluid communication with the heating element; and 
 a dispensing interface assembly configured to be in fluid communication with both the conduit and the reservoir, the dispensing interface assembly configured to supply the pre-vapor formulation from the reservoir to the heating element, the dispensing interface assembly including a first dispensing interface and a second dispensing interface, the first dispensing interface extending through the conduit and coupled to the heating element within the conduit such that the first dispensing interface is in direct fluid communication with the conduit and the heating element, a portion of the second dispensing interface exposed to an exterior of the vaporizer assembly such that the second dispensing interface is configured to be in direct fluid communication with the reservoir via the portion of the second dispensing interface, the second dispensing interface isolated from direct fluid communication with the heating element by the first dispensing interface, the first dispensing interface isolated from direct fluid communication with the reservoir by the second dispensing interface, 
 wherein the first dispensing interface and the second dispensing interface include different wicking materials having different respective capacities to draw pre-vapor formulation, such that the second dispensing interface is configured to restrict a flow of pre-vapor formulation from the reservoir to the first dispensing interface based on the first dispensing interface and the second dispensing interface including said different wicking materials. 
   
     
     
         7 . The cartridge of  claim 6 , wherein the first dispensing interface is in direct contact with the heating element. 
     
     
         8 . The cartridge of  claim 6 , wherein the second dispensing interface is in direct contact with the first dispensing interface. 
     
     
         9 . The cartridge of  claim 6 , wherein the second dispensing interface is isolated from direct fluid communication with the conduit. 
     
     
         10 . The cartridge of  claim 6 , wherein the vaporizer assembly is detachably coupled to the reservoir. 
     
     
         11 . An e-vaping device, the e-vaping device comprising:
 a cartridge, the cartridge including
 a reservoir configured to hold a pre-vapor formulation, and 
 a vaporizer assembly coupled to the reservoir, the vaporizer assembly configured to draw the pre-vapor formulation from the reservoir, the vaporizer assembly further configured to heat the drawn pre-vapor formulation to form a generated vapor, the vaporizer assembly including
 a heating element; 
 a conduit assembly including one or more inner surfaces defining a conduit extending through an interior of the conduit assembly, such that the conduit assembly is configured to direct air to flow through the conduit in fluid communication with the heating element; and 
 a dispensing interface assembly configured to be in fluid communication with both the conduit and the reservoir, the dispensing interface assembly configured to supply the pre-vapor formulation from the reservoir to the heating element, the dispensing interface assembly including a first dispensing interface and a second dispensing interface, the first dispensing interface extending through the conduit and coupled to the heating element within the conduit such that the first dispensing interface is in direct fluid communication with the conduit and the heating element, a portion of the second dispensing interface exposed to an exterior of the vaporizer assembly such that the second dispensing interface is configured to be in direct fluid communication with the reservoir via the portion of the second dispensing interface, the second dispensing interface isolated from direct fluid communication with the heating element by the first dispensing interface, the first dispensing interface isolated from direct fluid communication with the reservoir by the second dispensing interface, 
 wherein the first dispensing interface and the second dispensing interface include different wicking materials having different respective capacities to draw pre-vapor formulation, such that the second dispensing interface is configured to restrict a flow of pre-vapor formulation from the reservoir to the first dispensing interface based on the first dispensing interface and the second dispensing interface including said different wicking materials; and 
 
   a power supply assembly coupled to the cartridge, the power supply assembly including a power supply, the power supply assembly configured to supply electrical power from the power supply to the vaporizer assembly.   
     
     
         12 . The e-vaping device of  claim 11 , wherein the first dispensing interface is in direct contact with the heating element. 
     
     
         13 . The e-vaping device of  claim 11 , wherein the second dispensing interface is in direct contact with the first dispensing interface. 
     
     
         14 . The e-vaping device of  claim 11 , wherein the second dispensing interface is isolated from direct fluid communication with the conduit. 
     
     
         15 . The e-vaping device of  claim 11 , wherein the cartridge is detachably coupled to the power supply assembly. 
     
     
         16 . The e-vaping device of  claim 15 , wherein the vaporizer assembly is detachably coupled to the reservoir. 
     
     
         17 . The e-vaping device of  claim 11 , wherein the power supply is a rechargeable battery.