[특허]Steam-augmented gas turbine

Steam-augmented gas turbine 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02C-003/30
출원번호	US-0064540 (1993-05-21)
발명자 / 주소	Urbach Herman B. (Annapolis MD) Knauss Donald T. (Severna Park MD)
출원인 / 주소	The United States of America as represented by the Secretary of the Navy (Washington DC 06)
인용정보	피인용 횟수 : 49 인용 특허 : 0

초록 ▼

A steam-augmented gas turbine engine system generally includes a compressor (3), first and second combustors (4a, 4b), a compressor turbine (6) and a power turbine (7). A heat exchanging system (8b) removes heat from an exhaust product from the power turbine (7) and preheats water which has been desalinated by a water purification system (12). The desalinated water is provided to the first combustor (4a), as a predetermined quantity of water-steam mass, along with fuel and compressed air, and is used to efficiently power the turbine system. In one embodiment, a two-boiler system (8b) is employed in which first and second steam outputs are provided to first and second combustors (4a, 4b) such that a mass flow of the compressor turbine (6) is substantially constant from a Cheng point to a stoichiometric point of a predetermined power profile. This constancy of mass flow ensures that the gas generator operates on design from the Cheng point to the stoichiometric combustion point. Additionally, the free-power-turbine (7) always operates on design.

대표청구항 ▼

A steam-augmented engine system, comprising: compression means for receiving air and discharging a first compressed air flow mass; first combustion means for receiving said first compressed air flow mass, a predetermined quantity of fuel, a predetermined quantity of purified water and a first predetermined quantity of water and steam mass, and for generating a first combustion product therefrom; heat exchange means for producing said first predetermined quantity of steam mass and a second predetermined quantity of water and steam mass; first expansion means for receiving and expanding said first combustion product from said first combustion means to generate a first power output for powering said compression means and for discharging an expanded combustion product; second combustion means for receiving said product, a predetermined quantity of fuel and said second predetermined quantity of water and steam mass from said heat exchange means, and for generating a second combustion product therefrom; second expansion means for receiving and expanding said second combustion product from said second combustion means to generate a second power output and for discharging an exhaust product, said exhaust product being discharged to said heat exchange means; regulating means for regulating said fuel, said purified water and said first predetermined and steam mass introduced into said first combustion means and for regulating said first combustion product, said fuel and said second predetermined water and steam mass introduced into said second combustion means, said first and second combustion means operating along a predetermined power profile, such that said second combustion means produces a stoichiometric combustion at a power point; and sea-water purifying means, coupled to said heat exchange means, for receiving sea-water, purifying said water and for discharging a first portion of the purified water to said heat exchange means.

이 특허를 인용한 특허 (49)

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Gordon,Andrew W., Desalination on an offshore apparatus.
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Lockwood, Jr.,Hanford N., High compression gas turbine with superheat enhancement.
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Dowdy Thomas E. ; Bannister Ronald L., High efficiency method to burn oxygen and hydrogen in a combined cycle power plant.
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Viteri, Fermin; Taylor, James P.; Brandt, Harry; Anderson, Roger E., Hydrocarbon combustion power generation system with CO2 sequestration.
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Viteri,Fermin; Taylor,James P.; Brandt,Harry; Anderson,Roger E., Hydrocarbon combustion power generation system with CO2 sequestration.
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Viteri, Fermin, Low pollution power generation system with ion transfer membrane air separation.
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Barton, Jesse Ellis; Berry, Jonathan Dwight; Hadley, Mark Allan; Nelson, Glenn David; Rohrssen, Robert Joseph; Vanselow, John Drake, Method and apparatus for introducing diluent flow into a combustor.
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Gologorsky, Steven Phillip, Method and apparatus for powering remote devices.
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Barton, Jesse Ellis; Berry, Jonathan Dwight; Hadley, Mark Allan; Melton, Patrick Benedict, Method and apparatus of introducing diluent flow into a combustor.
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Goodfellow, John A., Method and system to recover waste heat to preheat feed water for a reverse osmosis unit.
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Savic, Sasha, Method for increasing the aerodynamic stability of a working fluid flow of a compressor.
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Schell, Susanne; Meeuwissen, Thiemo; Kokanovic, Stanka; Käser, Jürg; Althaus, Peter, Method for operating a gas turbine plant.
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Eddington, Michael J., Method for producing a distillate stream from a water stream containing at least one dissolved solid.
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Chen Allen G. (Orlando FL) Southall Leslie R. (Longwood FL), Method for regulating and augmenting the power output of a gas turbine.
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Frutschi Hans-Ulrich (Riniken CHX), Method of operating a reheat power plant with steam injection.
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Benim Ali Cemal,DEX ; Joos Franz,DEX, Method of steam cooling thermally highly loaded units of a gas-turbine group.
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Aiton, John Reuben; Alexander, Michael Joseph; Prater, Matthew Charles; Hurst, William Randolph, Methods and systems for gas moisturization control.
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Teets, Joseph Michael; Teets, Jon William, Microturbine with CHP system having a distillation apparatus.
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Gordon,Andrew W., Mobile desalination plants and systems, and methods for producing desalinated water.
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Guethe, Felix; Hurter, Jonas; Cataldi, Giovanni; Oomens, Gijsbertus; Wirsum, Manfred; Joos, Franz, Operation of a gas turbine.
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Wood, Ryan S., Recuperator for aircraft turbine engines.
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Viteri, Fermin; Anderson, Roger E., Semi-closed Brayton cycle gas turbine power systems.
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Viteri, Fermin; Anderson, Roger E., Semi-closed brayton cycle gas turbine power systems.
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Viteri, Fermin; Anderson, Roger E., Semi-closed brayton cycle gas turbine power systems.
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Hatanaka Takefumi,JPX, Steam-augmented gas turbine.
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Donaldson,Burl; Genin,Joseph; Lavery,Matthew S., System and method for desalination of brackish water from an underground water supply.
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Shapiro, Andrew Philip; Vora, Nishith; Tang, Ching-Jen; Hardy, AliciA Jillian Jackson; Westerkamp, Douglas, Waste heat driven desalination process.
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Shouman Ahmad R., Water-injected stoichiometric-combustion gas turbine engine.
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Viteri, Fermin; Anderson, Roger E., Working fluid compositions for use in semi-closed brayton cycle gas turbine power systems.
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Pronske, Keith L.; Anderson, Roger E.; Viteri, Fermin, Zero emissions closed rankine cycle power system.
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