[특허]Valve system for a gas turbine engine

Valve system for a gas turbine engine 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02K-001/00 B63H-025/46
출원번호	US-0871024 (2010-08-30)
등록번호	US-8578716 (2013-11-12)
발명자 / 주소	Schirtzinger, Gary A.
출원인 / 주소	United Technologies Corporation
대리인 / 주소	Carlson, Gaskey & Olds, P.C.
인용정보	피인용 횟수 : 0 인용 특허 : 45

초록

A valve system intermediate a secondary flow path and a primary flow path to selectively communicate secondary airflow into the primary gas flow path and control airflow injected from a higher pressure plenum into a lower pressure flowpath.

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1. A valve system intermediate a secondary flow path and a primary flow path of a gas turbine engine comprising: an engine core primary flow path;a fan flow secondary flow path coaxial with said primary flow path;a nozzle to elect said primary flow outside primary flow path;a valve seat; anda valve member rotatable relative to said valve seat between an open position and a closed position, said valve member defines a cylindrical surface which defines said closed position and a sculpted surface wherein said sculpted surface defines a paired wave surface which twists from a generally parallel surface at one end of said valve member to a generally perpendicular surface at the opposite end of said valve member. 2. The valve system as recited in claim 1, wherein said sculpted surface defines a wave shape. 3. The system as recited in claim 1, wherein said valve seat is mounted to an inner cooling liner structure of a gas turbine engine. 4. The system as recited in claim 1, further comprising an actuator system which operates said valve member. 5. The system as recited in claim 1, further comprising a metering plate defined by said valve seat. 6. A gas turbine engine comprising: an engine duct structure and an inner cooling liner structure which at least partially define an engine core primary flow path and a fan flow secondary flow path coaxial with said primary flow path along a longitudinal axis;a nozzle to elect said primary flow outside primary flow path;a valve seat mounted to said inner cooling liner structure; anda valve member rotatable relative said valve seat between an open position and a closed position, said valve member defines a cylindrical surface which defines said closed position and a sculpted surface wherein said sculpted surface defines a paired wave surface which twists from a generally parallel surface at one end of said valve member to a generally perpendicular surface at the opposite end of said valve member. 7. The engine as recited in claim 6, wherein said valve seat is flush with said inner cooling liner structure. 8. The engine as recited in claim 6, wherein said secondary flow path is defined radially about said primary flow path. 9. A method of a controlling communication of a fan flow secondary flow path with a coaxial engine core primary flow path said secondary flow path and said primary flow path located along a longitudinal axis of a gas turbine engine comprising the steps of: selectively rotating a valve member relative to a valve seat between an open position and a closed position, the valve member defines a cylindrical surface which defines said closed position and a sculpted surface which defines intermediate positions and said open position wherein said sculpted surface defines a paired wave surface which twists from a generally parallel surface at one end of said valve member to a generally perpendicular surface at the opposite end of said valve member. 10. A method as recited in claim 9, wherein said selective rotation further comprises: opening the secondary flow path to primary flow path adjacent to a nozzle section.

이 특허에 인용된 특허 (45)

Lee, Douglas; Anderson, J. Thomas; Hershberger, Brian K., Apparatus and method for controlling primary fluid flow using secondary fluid flow injection.
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Vinson John W. (Cincinnati OH) Howell Stephen J. (Georgetown MA) Lampes Elias H. (Lynn MA), Bimodal swirler injector for a gas turbine combustor.
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Ream Jeffrey L. (Tolland CT) Bubello Robert (North Meriden CT), Buffer region for the nacelle of a gas turbine engine.
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Ream Jeffrey L. (Tolland CT) Bubello Robert (North Meriden CT), Buffer region for the nacelle of a gas turbine engine.
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Edelman, Raymond B.; Morrison, Jr., Calvin Q.; Pederson, Robert J.; Morris, Donald H.; Schmotolocha, Stephen N., Combined cycle engines incorporating swirl augmented combustion for reduced volume and weight and improved performance.
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Schmotolocha, Stephen N.; Morris, Donald H.; Pederson, Robert J.; Edelman, Raymond B.; Morrison, Jr., Calvin Q., Compact swirl augmented afterburners for gas turbine engines.
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Bouiller Jean G. (Brunoy FRX) Jourdain Grard E. A. (Saintry sur Seine FRX), Compressor blow-off arrangement.
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Murphy,Michael J.; Cowan,Curtis C.; Paul,Stephen A.; Allore,James P.; Harris,Meggan, Convergent/divergent nozzle with modulated cooling.
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Marini,Remo; Sreekanth,Sri, Coverplate deflectors for redirecting a fluid flow.
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Girgis,Sami; Marini,Remo, Deflectors for controlling entry of fluid leakage into the working fluid flowpath of a gas turbine engine.
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Brockett Walter D. (North Haven CT), Ejector assisted compressor bleed.
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Liang George P. ; Yeager William J. ; Soileau John F., Ejector extension cooling for exhaust nozzle.
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Ripert Roger L. (Concord CA), Fire safe seal.
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Burke Thomas A. (Mentor OH) Scheuerman Curtis H. (Newbury OH), Flow dividing valve.
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Chang-Hong Ahn,KRX, Fluid opening and closing valve.
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Macfarlane,Ian; Szlanta,Zenon; Mitrovic,Lazar; Morgan,Keith, Gas turbine engine architecture.
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Cesar Aguilera Montoya, Gas turbine engine with increased fuel efficiency and method for accomplishing the same.
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Nakanishi Kiyoshi (Susono JPX) Okumura Takeshi (Susono JPX) Kanda Mutsumi (Susono JPX) Kotani Takeshi (Susono JPX) Inoue Tokuta (Mishima JPX), Helically-shaped intake port of an internal combustion engine.
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King Robert C. (Irving TX), In-line apparatus for dissolving a solid in a liquid.
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King ; Sr. Lloyd H. (5222 Green Farms Rd. Edina MN 55436), Inline dispersal valve.
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Ioan Sasu CA; Andre LeBlanc CA; Michel Bellerose CA, Integrated duct diffuser.
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Chlus, Wieslaw, Maintainable compressor stability bleed system.
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Stransky Larry W. (West Chester OH) Boehm ; Jr. Valentine R. (Cincinnati OH) Phillips Michael A. (Cincinnati OH), Method and apparatus for automatic bypass operation.
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Frost Wilson (Fairfield OH) Wood Peter J. (Cincinnati OH) Bobo Melvin (Cincinnati OH) Little Daniel R. (West Chester OH), Method and apparatus for ejecting foreign matter from the primary flow path of a gas turbine engine.
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Marvin Ira E. (Russell Springs KY), Method of pressure-ratio control of gas turbine engine.
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Prociw,Lev Alexander; Shafique,Harris; Sokalski,John; Pelletier,Claude Raymond, Nested channel ducts for nozzle construction and the like.
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Aitchison,Paul Archibald; Germain,Patrick David; Smith,Henry, Normally open reverse flow flapper valve.
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Wernberg, Donald E.; Tysver, John D., Nozzle assembly with flow divider and ecology valve.
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Smith Russell G. (Cincinnati OH), Plug valve for reduced leakage.
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Jourdain Grard E. A. (Saintry sur Seine FRX) Soligny Marcel R. (Chevilly-Larue FRX), Ring structure and compressor blow-off arrangement comprising said ring.
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Derouet Patrick R. J. (Soignolles en Brie FRX) Guimier Michel S. (Grandpuits FRX), Self regulating bleed valve.
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Renggli,Bernard James, Split shroud exhaust nozzle.
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Hamanaga Shinji (Shizuoka JPX), Structure of rotary valve assembly used in wind instrument.
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Hollingworth Keith J. (Telford GB2), Tapered plug valve.
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Bartos James W., Turbofan engine with a low pressure turbine driven supercharger in a bypass duct operated by a fuel rich combustor and a.
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Ward, Eric J., Valve assembly for gas turbine engine.
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Even-Nur Michael (Cincinnati OH) Hoffmann ; Jr. Carl J. (West Chester OH) Kraimer Robert H. (West Chester OH), Variable area bypass valve assembly.
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Anderson, Morris G.; Banta, Paul W.; Brackin, James W.; Romano, Robert; Zmora, David W., Variable geometry ejector for a bleed air system using integral ejector exit pressure feedback.
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