[특허]Turbomachine blade-to-rotor sealing arrangement

Turbomachine blade-to-rotor sealing arrangement 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F01D-005/22
출원번호	US-0777166 (2001-02-05)
발명자 / 주소	Herbert Halila Douglas Paul Beneteau
출원인 / 주소	General Electric Company
대리인 / 주소	Nathan D. Herkamp
인용정보	피인용 횟수 : 30 인용 특허 : 9

초록 ▼

A turbomachine rotor blade having a dovetail-type base member, a platform carried by the base member, and an airfoil extending longitudinally from the platform in a direction opposite to that of the base member. The platform includes a forward seal wire groove and an aft seal wire groove, each of which is on opposite sides of the blade longitudinal axis and on the side of the platform facing the base member. The blade platform has a pair of recesses that each include a concave portion and an adjacent inclined ramp portion for urging a seal wire into surface-to-surface contact with the concave portions of the respective recesses. Wear of the blade platform caused by seal wire movement relative to the blade platform is significantly reduced.

대표청구항 ▼

1. A turbomachine rotor blade comprising: a base member having a longitudinal axis and a transverse axis; a platform carried by the base member and extending generally transversely relative to the longitudinal axis; and an airfoil extending in a longitudinal direction from the platform and on a side of the platform opposite from the base member; wherein the platform includes at least one seal wire recess adjacent the base member and defined by a concave section for receiving a peripheral surface of a seal wire, and a ramp section extending from the concave section and inclined relative to the base member transverse axis to guide movement of a seal wire toward the concave section.

이 특허에 인용된 특허 (9)

Jorgensen Stephen W. (West Palm Beach FL), Axial compressor blade assembly.
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Ackerman Robert I. (Mason OH) Walker Alan (Wyoming OH) Schlechtweg Ronald E. (Loveland OH), Boltless turbine nozzle/stationary seal mounting.
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Langley Kenneth R. (Gloucestershire GB2), Centrifugal seal with deformable frustoconical sealing ring.
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Lenahan Dean Thomas (Cincinnati OH) Pedersen Poul D. (Cincinnati OH) Plemmons Larry Wayne (Fairfield OH) Glynn Christopher Charles (Hamilton OH) Miller Frederick M. (Cincinnati OH) Stover Curtis W. (, Compressor rotor cooling system for a gas turbine.
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Hayner Denis R. (Newburyport MA) Rock Peter J. (Byfield MA), Double rabbet rotor blade retention assembly.
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Wilcox Ernest W. (Lake Park FL) Wilson ; Jr. Jack W. (West Palm Beach FL), Gas seal for rotating components.
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Hayton Paul R. (Watford GB2), Mounting system for engine components having dissimilar coefficients of thermal expansion.
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Scalzo Augustine J. (Philadelphia PA) Gunderlock Richard P. (Chester Township PA), Rotor disk, blade, and seal plate assembly for cooled turbine rotor blades.
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Quinones Armando J. (Cincinnati OH) Rieck ; Jr. Harold P. (West Chester OH) Albrecht Richard W. (Fairfield OH) Sullivan Michael A. (Ballston Spa NY) Weisgerber Robert H. (Loveland OH) Plemmons Larry , Turbine disk cooling system.
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이 특허를 인용한 특허 (30)

Boyington, Kimberly Pash, Airfoil and disk interface system for gas turbine engines.
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Sarawate, Neelesh Nandkumar; Gallier, Kirk D.; Frederick, Robert; Senile, Darrell; Huizenga, Benjamin, Airfoil profile-shaped seals and turbine components employing same.
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Latimer, Jeremy Peter; Bonini, Eric Richard; Duong, John, Axial compressor and method for controlling stage-to-stage leakage therein.
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Stone,Paul, Blade fixing relief mismatch.
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Danescu, Radu Ioan; Ward, John D., Compliant seal for rotor slot.
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Virkler, Scott D., Component lock for a gas turbine engine.
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Noble, Patrick Daniel, Coupled blade platforms and methods of sealing.
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Arness, Brian P.; Ward, John D., Gas assisted turbine seal.
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Shindo, Takahiko; Itoh, Yoshiyasu; Suzuki, Katsumi, Joined structure of dissimilar metallic materials.
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Arness, Brian P.; McGovern, Tara Easter; Wardell, John D.; Samudrala, Omprakash, Labyrinth seal for turbine dovetail.
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Boyington, Kimberly Pash, Ladder seal system for gas turbine engines.
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Ward, John D.; Kottilingam, Srikanth; Tragesser, Daniel; Rauch, Steven, Method and apparatus for creating seal slots for turbine components.
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Pickens, John; Alexander, Phillip; Barnes, Roland, Method for loading and locking tangential rotor blades and blade design.
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Bouchard,Eric; Umney,Michael Anthony; Ahti,Robert Allan, Methods and apparatus for machining components.
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Burdgick, Steven Sebastian, Methods and systems for assembling a turbine.
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Virkler, Scott D.; Arnold, Jason, Multi-function heat shield for a gas turbine engine.
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Uskert, Richard C.; Basiletti, Matthew P.; Thomas, David J.; Freeman, Ted J.; Tucker, Michelle L., Platform for ceramic matrix composite turbine blades.
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Rojanskiy, Henrikh; Ophir, Avraham, Rotor for a compressor.
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Couture,Bernard Arthur; Ghasripoor,Farshad; Kowalczyk,Mark William, Seal assembly for turbine, bucket/turbine including same, method for sealing interface between rotating and stationary components of a turbine.
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Arness, Brian P.; Veltre, Louis; Harter, Ariel Kelsey Coleman; Wardell, John D., Sealing mechanism with pivot plate and rope seal.
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Murphy, John Thomas; Burdgick, Steven Sebastian, Sealing of steam turbine bucket hook leakages using a braided rope seal.
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Murphy, John Thomas; Burdgick, Steven Sebastian, Sealing of steam turbine nozzle hook leakages using a braided rope seal.
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Ward, John D.; Samudrala, Omprakash, Spring seal for turbine dovetail.
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Corcoran, Kevin L.; Boyington, Kimberly Pash, Stress-relieved wire seal assembly for gas turbine engines.
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Normoyle,Maureen Theresa; Albers,Robert Joseph; Herron,William Lee; Bobo, deceased,Melvin; Plemmons, deceased,Lawrence Wayne, Turbine blade retainer seal.
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Stolz, D. Slade; Furrer, David Ulrich; Patel, Samir V; Benn, Raymond C; Cetel, Alan D, Turbine disk fatigue rejuvenation.
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Suciu,Gabriel L.; Norris,James W., Turbine engine disk spacers.
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Lieser, Dirk; Reichert, Arnd; Strassberger, Micheal; Tiemann, Peter, Turbo-machine comprising a sealing system for a rotor.
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Lejars, Claude Robert Louis; Triconnet, Nicolas Christian; Thise, Frederick, Turbomachine rotor wheel.
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Afanasiev, Gennadiy; Brillert, Dieter, Wire seal for metering of turbine blade cooling fluids.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Turbomachine blade-to-rotor sealing arrangement 원문보기