Patent ID: 8701650
Filing Date: 2014-04-22
Classification: A47J,F24C

Abstract:
1. A lightweight, portable cooking stove comprising the combination of: a fuel vaporizer supported by a supporting surface and substantially axially aligned with a combustion chamber, the combustion chamber comprising: a wall having an upper end and a lower end, the lower end for engaging the supporting surface, the wall having a defined interior shape and comprising a first row of substantially equally spaced ports and a second row of substantially equally spaced ports, the first and second rows of ports separated by a predetermined longitudinal distance whereby the first row of ports is substantially longitudinally aligned with the fuel vaporizer and the second row of ports is above the fuel vaporizer; an obturating device movably supported on the wall for selectively covering, at least partially, one or the other of the first row of ports or the second row of ports; and a pot support for supporting a cooking pot within the wall of the combustion chamber wherein a lower portion of the cooking pot is located within the upper end of the wall of the combustion chamber, the cooking pot having a defined exterior shape smaller than the defined interior shape of the wall of the combustion chamber to form an annular gap between the cooking pot and the combustion chamber wall; whereby air entering the first row or the second row of ports extending through the combustion chamber wall mixes with vaporized fuel discharged from the fuel vaporizer to form a combustible mixture of fuel and air thereby producing products of combustion that engage a substantial portion of the defined exterior shape of the cooking pot and are drawn towards and exhaust through the annular gap.