Patent ID: 6923645

Claim:
A gas mixing device comprising: a store tank having an interior hollow, said interior hollow defined by an upper wall, an annular wall and a bottom wall, an air outlet valve provided in said upper wall, an air outlet tube connected with said air outlet valve: a mixing chamber provided in said interior hollow of said store tank, said mixing chamber extending down from said upper wall to near the bottom of said store tank, plural small holes formed in an annular wall near the lower end of said mixing chamber, a vaporized fuel oil outlet tube connected with an upper end of said mixing chamber: an intake tube provided to extend down from the upper end of said mixing chamber, said intake tube having an intake, an bubble producer provided at a lower end of said intake tube and having plural bubble stones therein: and, a nozzle connected both with said air outlet tube and said vaporized fuel oil outlet tube so as to send both vaporized fuel oil and pressured air synchronously to said nozzle and then to a burning appliance and installation.