Patent ID: 6036475
Filing Date: 2000-03-14
Classification: F23C,F23D,F24H

Abstract:
A cyclonic combustion apparatus for heating water, said apparatus comprisinga cylindrical combustion chamber with at least one nozzle port open on an inside wall surface of said cylindrical combustion chamber, through which nozzle a premixed gas made by mixing a gaseous fuel and air for combustion are jetted out in a direction tangential to an inside circumference along an inner cylindrical surface of said cylindrical combustion chamber,a storage region for the water to be heated surrounding a peripheral wall of said cylindrical combustion chamber, anda flue from a combustion gas outlet passing between heat-conductive water pipes opened to said storage region, said flue being arranged so that combusted gas is discharged thereinto,wherein said peripheral wall of said cylindrical combustion chamber is a heat-conductive wall that is in contact with the water to be heated so that the temperature of a flame formed by combustion of the premixed gas jetting out from the nozzle port is lowered by a conduction of heat through the peripheral wall into the water.