US Patent 7367178 Gas turbine system
Patent 7367178 was granted and assigned to Hitachi on May, 2008 by the United States Patent and Trademark Office.
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A gas turbine system comprises a compressor for compressing air, a combustor for burning the air compressed by the compressor and fuel, a turbine driven by combustion gases produced from the combustor, and a spraying apparatus for adding water to working air at least upstream or in an intermediate stage of the compressor. A rotationally symmetric groove or projection is formed in an inner wall surface defining a channel through which the working air added with the water flows, or in a channel-defining surface of a rotor or a casing of the gas turbine. A larger amount of water can be supplied to the compressor while improving the reliability of the gas turbine.
US Patent 07367178 Gas turbine system US Patent 7367178 Gas turbine system
US Patent 07367178 Gas turbine system
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