Patent ID: 8851083

Claim:
A device for vaporizing vaporizable matter, the device comprising: a combustion chamber housing defining a combustion chamber, a gas catalytic combustion element located in the combustion chamber for converting fuel gas to heat for heating the combustion chamber housing, the gas catalytic combustion element comprising a carrier coated with a catalytic precious metal material, a vaporizing chamber housing defining a vaporizing chamber for the vaporizable matter, the vaporizing chamber housing being in heat conducting relationship with the combustion chamber housing for transfer of heat thereto from the combustion chamber housing for heating the vaporizable matter in the vaporizing chamber, a temperature responsive control valve responsive to a temperature indicative of the temperature of the vaporizing chamber for controlling the supply of fuel gas to the combustion chamber to maintain the temperature within the vaporizing chamber at a vaporization temperature of a vaporizable constituent of the vaporizable matter for producing an aerosol thereof, and a thermal mass in heat conducting engagement with a portion of the gas catalytic combustion element and being matched with and co-operating with the temperature responsive control valve for maintaining the portion of the gas catalytic combustion element at a temperature at or above the ignition temperature of the gas catalytic combustion element while fuel gas to the combustion chamber is isolated therefrom by the temperature responsive control valve, the thermal mass being located within the gas catalytic combustion element and being spaced apart from the combustion chamber housing for minimising heat transfer from the thermal mass to the combustion chamber housing.