[특허]Gas turbine rotating blade

[미국특허] Gas turbine rotating blade 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F01D-005/18
출원번호	US-0037111 (1998-03-09)
우선권정보	JP-0054646 (1997-03-10)
발명자 / 주소	Fukuno Hiroki,JPX Tomita Yasuoki,JPX Suenaga Kiyoshi,JPX
출원인 / 주소	Mitsubishi Heavy Industries, Ltd., JPX
대리인 / 주소	Alston & Bird LLP
인용정보	피인용 횟수 : 54 인용 특허 : 11

초록 ▼

A gas turbine rotating blade comprises a serpentine passage provided in the blade width direction in plural rows in a blade profile portion except the portion near the trailing edge having a small blade thickness, a steam cooling passage provided around the outer periphery of a platform, an air passage provided in the blade width direction in the vicinity of the trailing edge of blade profile portion, an impingement plate provided under the platform on the inside of the steam cooling passage, slot holes formed so as to branch off from the air passage and be directed to the trailing edge, and slits formed in the platform above the impingement plate. Therefore, the blade profile portion is cooled by the steam passing through the serpentine passage and the air passing through the air passage, so that the cooling construction is not complicated, and cooling is performed effectively. For the platform, the outer periphery thereof is cooled by steam and the inside thereof by air effectively.

대표청구항 ▼

[ We claim:] [1.] A gas turbine rotating blade which is cooled by allowing steam and air to flow separately in the rotating blade which operates in a high temperature gas, comprising: a serpentine passage for cooling a blade profile portion of said blade, and which communicates with a steam supply port and a steam of said blade; a plurality of flow paths disposed in the blade width direction arranged in the chord direction of said blade; a steam cooling passage for cooling a platform of said blade in which a flow path communicating with said serpentine passage is formed around the outer periphery of said platform of said rotating blade; an impingement plate for cooling said platform by allowing the air supplied through an air supply port at the side of the blade root portion to impinge on said platform said impingement plate being disposed under said platform on the inside of said steam cooling passage; an air passage for cooling a trailing edge portion of said blade by introducing air having passed through said impingement plate and discharging it into a main flow gas from the blade end, said air passage being disposed in the blade width direction at the trailing edge portion of blade profile portion; slits for cooling said platform by introducing air having passed through said impingement plate and discharging it into the main flow gas said slits being formed in said platform in such a manner as to be inclined in the direction of the periphery of said platform; and slot holes for cooling the trailing edge portion of said blade by discharging the air separated from said air passage into the main flow gas, said slots being formed at intervals in the blade width direction from said air passage toward the trailing edge portion of said blade.

이 특허에 인용된 특허 (11) 인용/피인용 타임라인 분석

Corsmeier Robert J. ; MacLin Harvey M. ; Lee Ching-Pang, Air-cooled turbine blade.
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Ohtomo Fumio (Ayase JPX) Araki Tatsuo (Tokyo JPX) Matsuura Asako (Yokohama JPX) Tsukumo Yoshiaki (Tokyo JPX), Cooled turbine blade and combined cycle power plant having gas turbine with this cooled turbine blade.
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Tomita Yasuoki,JPX, Cooling system for cooling platform of gas turbine moving blade.
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Hauser Ambrose A. (Wyoming OH), Fluid-cooled element.
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McLaurin Leroy D. (Winter Springs FL) Pepperman Barton M. (Orlando FL), Gas turbine blade with cooled platform.
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Salt Allan J.,GB2 ; Cash Alan,GB2 ; Smith Carlton,GB2, Gas turbine engine with air and steam cooled turbine.
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Ito Syoko (Kanagawa JPX), Gas turbine vane.
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Green Dennis J. (Amston CT), Rotor blade with cooled integral platform.
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Cunha Francisco J. (Schenectady NY) DeAngelis David A. (Voorheesville NY) Brown Theresa A. (Clifton Park NY) Chopra Sanjay (Albany NY) Correia Victor H. S. (New Labanon NY) Predmore Daniel R. (Clifto, Turbine stator vane segments having combined air and steam cooling circuits.
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Magowan John W. (Longmeadow MA) Pawlaczyk Richard J. (Newington CT) Pighetti Annette M. (Andover CT) Schwarz ; Jr. Richard A. (Somers CT), Turbine vane having dedicated inner platform cooling.
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Calderbank John C. (Glastonbury CT), Turbine vane with a platform cavity having a double feed for cooling fluid.
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이 특허를 인용한 특허 (54) 인용/피인용 타임라인 분석

Leghzaouni,Othmane; Plante,Ghislain, Angled cooling divider wall in blade attachment.
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Ellis, Scott Edmond; Fu, Xiaoyong, Apparatus and methods for cooling platform regions of turbine rotor blades.
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Ellis, Scott Edmond; Harris, Jr., John Wesley; Scott, Adrian Lional, Apparatus and methods for cooling platform regions of turbine rotor blades.
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Ellis, Scott Edmond; Harris, Jr., John Wesley; Scott, Adrian Lional, Apparatus and methods for cooling platform regions of turbine rotor blades.
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Ellis, Scott Edmond; Hynum, Daniel Alan, Apparatus and methods for cooling platform regions of turbine rotor blades.
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Ellis, Scott Edmond; Hynum, Daniel Alan; Harris, Jr., John Wesley, Apparatus and methods for cooling platform regions of turbine rotor blades.
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Harris, Jr., John Wesley; Bielek, Craig Allen; Ellis, Scott Edmond; Fu, Xiaoyong, Apparatus and methods for cooling platform regions of turbine rotor blades.
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Harris, Jr., John Wesley; Bielek, Craig Allen; Ellis, Scott Edmond; Hynum, Daniel Alan; Seely, Melissa Ann; Fu, Xiaoyong, Apparatus and methods for cooling platform regions of turbine rotor blades.
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Harris, Jr., John Wesley; Ellis, Scott Edmond; Fu, Xiaoyong; Scott, Adrian Lional, Apparatus and methods for cooling platform regions of turbine rotor blades.
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Jacala,Ariel Caesar; Itzel,Gary M., Apparatus and methods for cooling turbine bucket platforms.
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Boyer, Bradley Taylor, Bucket assembly cooling apparatus and method for forming the bucket assembly.
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Walunj, Jalindar Appa; Honkomp, Mark Steven, Bucket assembly for turbine system.
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Walunj, Jalindar Appa; Honkomp, Mark Steven, Bucket assembly for turbine system.
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Walunj, Jalindar Appa; Honkomp, Mark Steven, Bucket assembly for turbine system.
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Walunj, Jalindar Appa; Honkomp, Mark Steven; Amaral, Sergio Daniel Marques, Bucket assembly for turbine system.
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Smith, Aaron Ezekiel; Itzel, Gary Michael; Ellis, Scott Edmond, Bucket assembly treating apparatus and method for treating bucket assembly.
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Veltre,Louis; Macarian,Christopher Arda, Bucket platform cooling circuit and method.
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Liang,George, Compartment cooled turbine blade.
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Zelesky Mark F., Coolable vane or blade for a turbomachine.
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Papple,Michael, Cooled airfoil trailing edge tip exit.
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Tomita Yasuoki,JPX ; Fukuno Hiroki,JPX ; Arase Kenichi,JPX ; Sano Toshiaki,JPX, Cooled platform for a gas turbine moving blade.
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Weber, David Wayne; Foster, Gregory Thomas; Iduate, Michelle Jessica; Osusky, Lana Maria, Cooling circuit for a multi-wall blade.
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Weber, David Wayne; Foster, Gregory Thomas; Osusky, Lana Maria, Cooling circuit for a multi-wall blade.
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Weber, David Wayne; Osusky, Lana Maria, Cooling circuit for a multi-wall blade.
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Weber, David Wayne; Osusky, Lana Maria, Cooling circuit for a multi-wall blade.
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LaBelle, Joseph Benjamin; Hall, Christopher; LaCombe, Samuel J.; Muskat, James C., Disk for turbine engine.
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Rabinovich, Albert, Forging quench.
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Tiemann, Peter, Gas turbine and method of operating a gas turbine.
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Itzel,Gary Michael; Webbon,Waylon Willard, Gas turbine bucket with cooled platform leading edge and method of cooling platform leading edge.
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Sreekanth, Sri; Quick, Jeffrey William; Abdel-Messeh, William; Papple, Michael, Inner platform impingement cooling by supply air from outside.
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Hyde, Susan Marie; Davis, Richard Mallory, Internal cooling circuit for gas turbine bucket.
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Pang,Tingfan; Lee,Ching Pang; Klasing,Kevin Samuel; Brassfield,Steven Robert, Methods and apparatus for cooling turbine blade trailing edges.
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Rinck, Gerard Anthony; Clarke, Jonathan Philip; Norton, Brian Alan, Methods and systems for cooling gas turbine engine airfoils.
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Cunha, Frank J.; Abdel-Messeh, William, Microcircuits for small engines.
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Lomas, Jonathan Matthew; Hunt, Mark Lawrence, Platform cooling passages and methods for creating platform cooling passages in turbine rotor blades.
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Tung Stephen K. ; Solda Robert B. ; Manning Robert F., Pressure compensated turbine nozzle.
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Jones, Jeffrey Clarence; Zhang, Xiuzhang James; Merrill, Mitchell Allan, Rotor blade having a flared tip.
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Pietraszkiewicz, Edward F.; Pinero, Sandra S., Triangular serpentine cooling channels.
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Liang, George, Turbine airfoil cooling system with perimeter cooling and rim cavity purge channels.
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Liang,George, Turbine airfoil with floating wall mechanism and multi-metering diffusion technique.
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Chlus, Wieslaw A.; Funk, Stanley J., Turbine blade.
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Pinero, Sandra S.; Pietraszkiewicz, Edward F.; Dube, Bryan P.; Yee, Stephen J.; Levy, Ryan Shepard; Hassan, Mohamed; Valerio, Domenico; Hartmann, Scott D., Turbine blade internal cooling configuration.
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Tiemann, Peter, Turbine blade or vane.
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Boyer, Bradley Taylor, Turbine blade platform cooling systems.
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Liang, George, Turbine blade platform with near-wall cooling.
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Liang, George, Turbine blade with platform cooling.
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Herzlinger, Jason Douglas; Bommanakatte, Harish; Giglio, Anthony Louis; Perry, II, Jacob Charles, Turbine bucket base having serpentine cooling passage with leading edge cooling.
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Brozyna, Lee Larned; Collier, Matthew Durham; Kester, Christopher William; Stein, Alexander, Turbine bucket having non-axisymmetric base contour.
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Herzlinger, Jason Douglas; Bommanakatte, Harish; Giglio, Anthony Louis; Perry, II, Jacob Charles, Turbine bucket having serpentine core.
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Herzlinger, Jason Douglas; Bommanakatte, Harish; Giglio, Anthony Louis, Turbine bucket including cooling passage with turn.
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Smith, Paul Kendall; Bommanakatte, Harish; Giglio, Anthony Louis; Herzlinger, Jason Douglas; Perry, II, Jacob Charles; Stein, Alexander, Turbine bucket with endwall contour and airfoil profile.
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Bunker, Ronald Scott; Wei, Bin; Ritter, Ann Melinda; Lipkin, Don Mark; Rebak, Raul Basilio; Kool, Lawrence Bernard; Gray, Dennis Michael, Turbine components with cooling features and methods of manufacturing the same.
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Soechting,Friedrich; Ellis,Charles; Tomita,Yasuoki; Torii,Shunsuke, Turbine moving blade and gas turbine.
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Ellis, Scott Edmond; Smith, Aaron Ezekiel, Turbomachine component and method of connecting cooling circuits of a turbomachine component.
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[미국특허] Gas turbine rotating blade 원문보기

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이 특허에 인용된 특허 (11) 인용/피인용 타임라인 분석

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[미국특허] Gas turbine rotating blade 원문보기

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이 특허에 인용된 특허 (11) 인용/피인용 타임라인 분석

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