Cooking stove

Claim 1

A GENERALLY CIRCULAR COOKING STOVE HAVING A CENTRAL AXIS OF SYMMETRY, AND COMPRISING: AN OUTER SHELL HAVING AN INTERIOR PERIPHERAL WALL; AN INNER GUIDE HAVING AN OUTER AND AN INTERIOR PERIPHERAL WALL, ITS INTERIOR PERIPHERAL WALL FORMING AN UPWARDLY OPENING COOKING REGION, THE OUTER SHELL AND THE INNER GUIDE BEING JOINED AT JOINT WHICH IS SUBSTANTIALLY FLUID-TIGHT, THE INNER GUIDE ALSO HAVING A PLURALITY OF INLET PORTS THERETHROUGH; AN OUTER GUIDE EXTENDING UPWARDLY BETWEEN THE OUTER SHELL AND THE INNER GUIDE, AND SPACED THEREFROM SO AS TO LEAVE A CLEARANCE FOR AIR FLOW; THE SHELL, GUIDES, AND WALLS BEING SURFACES OF REVOLUTION CONCENTRIC ON SAID AXIS, THE INTERIOR PERIPHERAL WALL OF THE OUTER SHELL AND THE OUTER PERIPHERAL WALL OF THE INNER GUIDE FORMING ON EACH SIDE OF AND WITH THE OUTER GUIDE A PASSAGE WHICH IS A VOLUME OF REVOLUTION CONCENTRIC ON SAID AXIS WHICH IS OPEN AT ITS TWO LOWER END AND CLOSED AT ITS UPPER EXTREME, AND WHICH OPENS INTO SAID COOKING REGION THROUGH THE INLET PORTS; A FUEL SUPPORT GRID IN SAID COOKING REGION ABOVE THE INLET PORTS, SAID GRID BEING ADAPTED TO SUPPORT FUEL TO BE BURNED FOR COOKING, USING AIR FROM THE INLET PORTS FOR COMBUSTION, THE INNER GUIDE AND GRID BEING EXPOSED TO EACH OTHER, WHEREBY RADIATION FROM FUEL ON THE RIGID HEATS SAID INNER GUIDE, AND THE INNER GUIDE RADIATES ENERGY TO HEAT THE OUTER GUIDE, BOTH GUIDES RADIATES ENERGY TO HEAT SAID INNER GUIDE, THROUGH THE INVERTED PASSAGE AND INLET PORTS TO THE COOKING REGION, SAID INLET PORTS LYING BETWEEN THE GRID AND THE OUTER GUIDE WHEREBY RADIATED ENERGY FROM FUEL ON THE GRID PASSES THROUGH THE INLET PORTS AND IMPINGES ON THE OUTER GUIDE TO HEAT THE SAME AND THEREBY TO HEAT AIR FLOWING THROUGH SAID INVERTED PASSAGE.