Patent ID: 7200997

Claim:
A gas turbine system having water augmented regeneration, comprising: a compressor for receiving air and producing compressor discharge air, a combustor for combusting an oxygen comprising gas flow including said discharge air and a fuel into a hot gas flow, and a turbine expander generating output power from said hot gas flow and providing a hot exhaust gas flow; an extractor for splitting said discharge air into a direct flow portion routed directly to said combustor and an indirect flow portion; a mixing device for receiving said indirect flow portion and a water flow, said mixing device providing a water enhanced indirect flow portion, and a heat exchanger, said heat exchanger heating said water enhanced indirect flow portion using heat from at least a portion of said hot exhaust gas flow, wherein said water enhanced indirect flow portion after heating by said heat exchanger is reintroduced into said oxygen comprising gas flow, wherein said mixing device comprises a water or steam driven venturii ejector.