A nozzle is provided for discharging a combustible air and fuel mixture into the combustion chamber of a cyclonic combustor. The nozzle includes a centrally located air plenum and a plurality of passageways for discharging air from the plenum into the combustion chamber. The nozzle also includes a fuel...http://www.google.es/patents/US5236350?utm_source=gb-gplus-sharePatente US5236350 - Cyclonic combuster nozzle assembly
