Patent ID: 8550068

Claim:
A vaporizer, comprising: a first wick element comprising a porous ceramic, the first wick element adapted to directly contact a liquid held in a reservoir; a second wick element comprising the porous ceramic; a heating element disposed through said second wick element; an air gap defined between at least a first portion of said first wick element and said second wick element, said heating element exposed to said air gap; and, a housing that defines at least one area on a surface of said first wick element for air to enter at least a second portion of said first wick element; wherein said housing has a first cylindrical section having a first outer diameter and a first inner diameter, said housing also having a second cylindrical section having a second outer diameter and a second inner diameter, a first chamfer surface transitioning said first outer diameter to said second outer diameter, a second chamfer surface transitioning said first inner diameter to said second inner diameter.