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AssigneeNuovo Pignone Holding S.p.A.
InventorsRoberto Modi, Luciano Bonciani, Gianni Ceccherini
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An improved flame tube or “liner” (112) for a combustion chamber (110) of a gas turbine with low emission of pollutants, of the type comprising a cylindrical structure connected to the outlet of a premixing chamber (114) by means of a truncated conical end (120), in which the premixing chamber (114) is supplied with air which is guided by a cavity (116) which is located between the flame tube (112) and outer walls (118) of the combustion chamber (110), this air circulating in the opposite direction to the flow of combustion products; a first cylindrical region (122) of the flame tube (112) is surrounded by a cylindrical casing (136) which creates an annular chamber (138).
Improved flame tube or “liner” (112) for a combustion chamber (110) of a gas turbine with low emission of pollutants, of the type comprising a cylindrical structure connected to the outlet of a premixing chamber (114) by means of a truncated conical end (120), the said premixing chamber (114) being supplied with air which is guided by a cavity (116) which is located between the said flame tube (112) and outer walls (118) of said combustion chamber (110), the said air circulating in the opposite direction to the flow of combustion products, characterized in that a first cylindrical region (122) of the said flame tube (112) is surrounded by a cylindrical casing (136) which creates an annular chamber (138).
Improved flame tube or “liner” (112) for a combustion chamber (110) of a gas turbine with low emission of pollutants, essentially as described and illustrated and for the specified purposes.
Dependencies are inferred from the claim text.