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Gas turbine shroud and platform seal system

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F01D-011/02
출원번호 US-0028662 (1998-02-24)
우선권정보 JP-0064452 (1997-03-18)
발명자 / 주소
  • Tomita Yasuoki,JPX
  • Fukuno Hiroki,JPX
  • Ito Eisaku,JPX
  • Suenaga Kiyoshi,JPX
출원인 / 주소
  • Mitsubishi Heavy Industries, Ltd., JPX
대리인 / 주소
    Wenderoth, Lind & Ponack, L.L.P.
인용정보 피인용 횟수 : 35  인용 특허 : 5

초록

A gas turbine shroud and platform seal system, which is constructed so that the flow of sealing air does not disturb a combustion gas flow, and thus any aerodynamic loss is reduced. The leaking air (60) leaks from between a platform (2) of moving blade (1) and an inside shroud (12) in a stationary b

대표청구항

[ What is claimed is:] [1.] A gas turbine shroud and platform seal system comprising:a rotor extending in an axial direction;a moving blade disposed in a combustion gas passage and having a platform secured on said rotor, said platform having an upstream end portion defining a smooth curved surface

이 특허에 인용된 특허 (5)

  1. Butler Aaron S. (Ledyard CT) Gernhardt Gregory H. (Old Saybrook CT), Brush seal support and vane assembly windage cover.
  2. Thompson Douglas K. (Speedway IN), End seal for turbine blade bases.
  3. Chlus Wieslaw A. (Wethersfield CT) Gonsor Michael (Hebron CT) Houston David P. (Glastonbury CT) Kudra Paul D. (Glastonbury CT), Gas turbine blade damper.
  4. Bourneuf John J. (Jamaica Plain MA) Lenahan Dean T. (Cinncinnati OH) Demers Daniel E. (Ipswich MA) Plemmons Larry W. (Fairfield OH), Gas turbine engine cooling supply circuit.
  5. Joyce Michael J. (West Hartford CT), Inner turbine seal.

이 특허를 인용한 특허 (35)

  1. Durocher,Eric; Synnott,Remy; Blais,Dany, Airfoil platform impingement cooling.
  2. Cheng,Yinguo; Fang,Biao; McGovern,Tara Easter; Wolfe,Christopher Edward, Angel wing abradable seal and sealing method.
  3. Tesh, Stephen William; Tourigny, John Ernest, Apparatus for turbine engine cooling air management.
  4. Tesh, Stephen William; Tourigny, John Ernest, Apparatus for turbine engine cooling air management.
  5. Johnston, Bill Damon; Nowak, Daniel Anthony; Kottilingam, Srikanth Chandrudu; Myers, Melbourne J; Nowak, Joe Timothy, Bimetallic turbine shroud and method of fabricating.
  6. Ito,Eisaku; Akita,Eiji, Blade structure in a gas turbine.
  7. Aschenbruck Emil,DEX ; Beukenberg Markus,DEX, Cooling of a honeycomb seal in the part of a gas turbine to which hot gas is admitted.
  8. Walunj, Jalindar Appa; Honkomp, Mark, Damper coverplate and sealing arrangement for turbine bucket shank.
  9. Shi, Jun, Edge seal for gas turbine engine ceramic matrix composite component.
  10. Walunj, Jalindar Appa; Arness, Brian Peter; Honkomp, Mark Steven; Ellis, Scott Edmond; Shukla, Prashant; Kuruboor Veerabhadrappa, Narayayanaswamy, Flexible seal for turbine engine.
  11. Naik,Shailendra; Greninger,Allewis A., Gas turbine arrangement.
  12. Doi, Tatsuo, Gas turbine engine.
  13. Okita,Yoji; Yamawaki,Shigemichi, Gas turbine engine.
  14. Tucker, Bradley Reed; Smoke, Jason; Morris, Mark C., Gas turbine engines with abradable turbine seal assemblies.
  15. Harris, Jr., John Wesley; Piersall, Matthew Robert; Potter, Brian Denver, Gas turbine having seal assembly with coverplate and seal.
  16. Little, David A., Ingestion resistant seal assembly.
  17. Friedl,Winfried Hagen; Au,Joerg, Main gas duct internal seal of a high-pressure turbine.
  18. Kneeland, Andrew Ray; Garcia-Crespo, Andres Jose; Boyer, Bradley T.; Vandeputte, Thomas William; Pierre, Sylvain, Non-axisymmetric airfoil platform shaping.
  19. Lee, Ching-Pang; Tham, Kok-Mun; Shivanand, Manjit; Laurello, Vincent P.; Azad, Gm Salam; Martin, Jr., Nicholas F., Outer rim seal assembly in a turbine engine.
  20. Lee, Ching-Pang; Tham, Kok-Mun; Shivanand, Manjit; Laurello, Vincent Paul; Azad, Gm Salam; Martin, Nicholas F., Outer rim seal assembly in a turbine engine.
  21. Adaickalasamy, James, Retrofittable interstage angled seal.
  22. Durocher, Eric; Paquet, Rene; Lefebvre, Guy, Rim seal for a gas turbine engine.
  23. Bagnall, Adam M.; Maxwell, Ross D., Seal assembly.
  24. Zoric, Tatjana; Godwin, James D., Seal assembly.
  25. Lee, Ching-Pang, Seal assembly including grooves in a radially outwardly facing side of a platform in a gas turbine engine.
  26. Garcia-Crespo, Andres Jose, Sealing device.
  27. Piersall, Matthew Robert; Kareff, Spencer Aaron, Seals for rotary devices and methods of producing the same.
  28. Dutka, Michael James; Chaluvadi, Venkata Siva Prasad, Shroud leakage cover.
  29. Bunker, Ronald Scott, Stator-rotor assembly having surface feature for enhanced containment of gas flow and related processes.
  30. Dimmick, III, John Herbert; Lecuyer, Raymond Joseph; Austin, Norman K., System and method for covering a blade mounting region of turbine blades.
  31. Dimmick, III, John Herbert; Lecuyer, Raymond Joseph; Butz, David Arthur; Austin, Norman K., System and method for covering a blade mounting region of turbine blades.
  32. Diakunchak, Ihor S., Turbine disc sealing assembly.
  33. Tanaka, Tokuhito, Turbine rotor, turbine, and method for removing seal plate.
  34. Little, David A., Turbine seal assembly.
  35. Liang, George, Turbine vane with rim cavity seal.
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