Patent ID: 7189072

Claim:
An apparatus comprising: a fuel reservoir with a front surface, a back surface, and a bottom surface having a flattened portion; an air channel extending through the fuel reservoir between the front surface and the back surface; a wick assembly, mounted within the air channel, comprising: a wick with a hollow center; and a wick sleeve conforming to the wick, the wick sleeve comprising an inner wall and an outer wall, wherein the wick sleeve is adapted such that the wick is slidably received by a first end of the wick sleeve and wick travel is stopped by a second end of the wick sleeve; a fuel tube connecting the fuel reservoir and the second end of the wick sleeve through a fuel opening in the second end of the wick sleeve, such that the wick is in fluid communication with the fuel reservoir; and a fuel valve for controlling the flow of fuel through the fuel tube, wherein the flattened portion of the fuel reservoir is adapted to position the wick assembly parallel to a horizontal surface when the flattened portion rests on the horizontal surface and the top portion of the reservoir is sized narrower than the bottom portion.