GAS STOVE

摘要

PURPOSE: A gas stove is provided to set the effective heating range into a diameter of the glass ceiling plate by the combustion of a burner at the required air-fuel ratio. CONSTITUTION: A gas stove is composed of a porous body(3) installed in a combustion chamber in which the material to be heated is disposed on a ceiling plate(4), a burner(2) opposing to the ceiling plate(4) around the porous body, a fuel supplying unit(21), an exhaust path communicated with a combustion chamber via the porous body at one end and an exhaust hole at the other end, and a fan supplying air for the burner and delivering the exhaust gas of the burner to the exhaust hole. The gas stove further comprises an effective heating area change unit to change the effective heating area at the ceiling plate by changing the air-fuel ratio.