Patent ID: 6648627
Filing Date: 2003-11-18
Classification: F23N

Abstract:
A gas appliance, comprising:a lower part of the appliance; a gas burner placed in the lower part of the appliance and in the vicinity of a surface underlying the appliance; means for cutting off the gas supply to the burner; an atmosphere control pilot light connected to the gas supply to the burner, wherein the atmosphere control pilot light includes a primary air inlet orifice to which an air suction tube is connected with one end thereof, and wherein the other end of said air suction tube is located below the gas burner and in the immediate proximity of the surface underlying the appliance; and means for detecting the temperature of the flame of the pilot light and operationally coupled to the means for cutting off the gas supply to the burner, whereby the gas supply to the burner is interrupted when the temperature detection means detect cooling of the flame of the pilot light which is caused by gas enrichment of the mixture.