Patent ID: 8585397

Claim:
A portable hot air generator comprising: a handle comprising an igniter; an elongated nozzle bound to the handle comprising an outlet end for ejecting hot air; a flame generator inside the elongated nozzle; a venturi upstream from the flame generator, formed on the elongated nozzle; a gas conduit passing through the handle to bring a combustible gas into the elongated nozzle and at the flame generator, the gas conduit extending through the handle and up to the flame generator; an air conduit passing through the handle to bring compressed air into the elongated nozzle and upstream from the venturi; a servocontrolled pressure regulator controlling a gas pressure in the gas conduit depending on air pressure in the air conduit; and wherein the flame generator comprises a tube, a burner and a gas injector each placed within the nozzle, the tube being positioned at least partly around the burner for cutting a flow of fresh air into two.