Patent ID: 6238207
Filing Date: 2001-05-29
Classification: F23C,F23D,F23M

Abstract:
A portable burner comprising:a back wall;the burner having a combustion chamber defined therein, the combustion chamber having an opened front end and a closed back end at the back wall,a fuel gas conduit in fluid communication with the combustion chamber for feeding a fuel gas into the combustion chamber;a combustion air conduit in fluid communication with the combustion chamber for feeding a combustion air into the combustion chamber;a concentric cooling jacket attached to the back wall;a cooling air conduit in fluid communication with the cooling jacket for feeding an over-pressured cooling air into the cooling jacket;the cooling jacket having an exhaust opening defined therein at the front end of the combustion chamber for mixing the cooling air with a combustion gas produced in the combustion chamber;the cooling air conduit being in operative engagement with a cooling blower that is being driven by an air motor in operative engagement with the cooling blower; anda compressed air conduit in fluid communication with the air motor for feeding a compressed air to the air motor, the air motor having an exhaust air side in operative engagement with the combustion chamber.