Gas turbine arrangement with controlled bleed air injection into combustor, and method of operation

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United States of America Patent

PATENT NO 11680523
APP PUB NO 20210285371A1
SERIAL NO

16326454

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A gas turbine arrangement for dual fuel operation has a first manifold that delivers a first fuel or compressor bleed fluid and is connected to a bleed port and a first passage for ejecting fuel or fluid into a combustor space. A second manifold delivers a second fuel and is connected to a second passage for ejecting the second fuel into the combustor space. A control system, when operated with the second fuel, provides the second fuel to the second manifold and continuously opens the bleed valve to provide bleed fluid into the first manifold to replace the first fuel. The control system controls the bleed valve over time by throttling a mass flow of the bleed fluid provided to the first passage or by increasing a mass flow of the bleed fluid provided to the first passage to adapt to fuel properties of the second fuel.

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Patent Owner(s)

  • SIEMENS ENERGY GLOBAL GMBH & CO. KG

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jaerling, Patrik Linkoping, SE 1 0
Larsson, Anders Lotorp, SE 115 2035

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