Patent ID: 7458807
Filing Date: 2008-12-02
Classification: F16L,F17C,F28D,F28F

Abstract:
1. A gas heater for connection to a heat source and a pressurised gas source, the gas heater comprising: a jacket having a gas inlet and a gas outlet and defining a cavity therebetween and comprising a cylinder made of a heat-conductive material; a porous heat exchanger extending within said cavity, from said inlet to said outlet, wherein the heat exchanger is in heat-conductive communication with the jacket to enable transfer of heat from the jacket to the heat exchanger; a flow deflector arranged within the jacket, the flow deflector arranged in use to direct gas along a tortuous route through the heat exchanger and comprising either a disk or a spiral thread; and a heat provider for providing heat to said heat exchanger along the length thereof, wherein the jacket is adapted to receive a heating element and to conduct heat from the heating element to the porous heat exchanger contained therein.