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특허 상세정보

Turbine shroud cooling system

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F01D-025/14    F01D-025/08   
미국특허분류(USC) 415/001; 415/116; 415/173.1
출원번호 US-0670344 (2007-02-01)
등록번호 US-8182199 (2012-05-22)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Norton Rose Canada LLP
인용정보 피인용 횟수 : 1  인용 특허 : 18
초록

A method of cooling a shroud ring in a turbine section of gas turbine engine includes identifying a series of alternating high temperature regions and lower temperature regions of a circumferential temperature distribution about the inner surface of the shroud ring, and impinging cooling air on to an outer surface of the shroud ring. More cooling air is impinged onto regions which correspond to the high temperature regions on the shroud ring than to regions corresponding to the lower temperature regions of the shroud ring.

대표
청구항

1. A method of cooling a turbine shroud ring within a surrounding turbine support case in a turbine section of a gas turbine engine, the turbine shroud ring including a plurality of individual turbine shroud segments circumferentially arranged to form the turbine shroud ring, at least an inner surface of the shroud ring being exposed to an annular hot gas flow produced from a combustor of the gas turbine engine having a plurality of circumferentially spaced apart fuel nozzles, the method comprising: identifying a series of alternating high temperature re...

이 특허에 인용된 특허 (18)

  1. Mark Graham Turner. Clock turbine airfoil cooling. USP2002066402458.
  2. Vdoviak John W. (Marblehead MA) Weinstein Barry (Georgetown MA). Combustion selective temperature dilution. USP1988034733538.
  3. Dudebout, Rodolphe; Morris, Mark C.; Freiberg, Douglas P.; McKeever, Craig W.; Musiol, Richard J.; Riahi, Ardeshir; Howe, William J.. Combustor hot streak alignment for gas turbine engine. USP2003046554562.
  4. Bolms,Hans Thomas; Heselhaus,Andreas; Hoffschmidt,Bernhard. Coolable segment for a turbomachine and combustion turbine. USP2007077246993.
  5. Pietraszkiewicz Edward F. (Maineville OH) Frey David A. (West Chester OH) Ackerman Robert I. (West Chester OH) Wright Carl D. (Clarksville OH). Cooled shroud. USP1996125584651.
  6. Harrogate Ian W. R. (Derby GB2). Cooled turbine nozzle assembly and a method of calculating the diameters of cooling holes for use in such an assembly. USP1995055417545.
  7. Synnott,Remy; Trindade,Ricardo. Cooled turbine vane platform. USP2006027004720.
  8. Liotta Gary C. ; Acquaviva Paul J.. Dual cooled shroud. USP1999115993150.
  9. Sharma Om P. (Vernon CT). Gas turbine airfoil clocking. USP1996015486091.
  10. Borns, Frederick G.; Riahi, Ardeshir. Gas turbine combustor heat shield impingement cooling baffle. USP2004096792757.
  11. Schlinker,Robert; Narayanan,Satish; Lord,Wesley K.; Kohlenberg,Gregory A.; Reba,Ramons; Simonich,John; Soteriou,Marios C.; Maeder,Thierry. Jet exhaust noise reduction system and method. USP2006107114323.
  12. Fortin, Thomas B.; Chetta, Gregory E.; Leung, David W.; Meyers, Duncan C.; Belson, Keith C.; Diaz, John V.; Holladay, Thomas E.; Ladd, Scott A.; McKinney, Randall G.; Rinella, Sergio; Sadil, Andreas;. Method and system for designing an impingement film floatwall panel system. USP2005126973419.
  13. Tomita,Yasuoki; Isumi,Osamu; Inoue,Shinichi; Soechting,Friedrich; Laurello,Vincent; Matsuoka,Hiroshige. Ring segment of gas turbine. USP2006047033138.
  14. Proctor Robert ; Brill Edward P. ; Rydbeck Randall B. ; Hanify John W. ; White Gregory A.. Shroud cooling assembly for gas turbine engine. USP2000106139257.
  15. Proctor Robert (West Chester OH) Linger David R. (Cincinnati OH) Di Salle David A. (West Chester OH) Brassfield Steven R. (Cincinnati OH) Plemmons Larry W. (Fairfield OH). Smart turbine shroud. USP1997015593277.
  16. Pierre Sylvain ; Dobson Martin John,CAX. Turbine passive thermal valve for improved tip clearance control. USP2000096116852.
  17. Proctor Robert (West Chester OH) Linger David R. (Cincinnati OH) Di Salle David A. (West Chester OH) Brassfield Steven R. (Cincinnati OH) Plemmons Larry W. (Fairfield OH). Turbine shroud hanger. USP1997015593276.
  18. Lucas, Terrence; B?dard, Dominic; Daniel, Amir; Synnott, Remy. Turbine shroud segment apparatus for reusing cooling air. USP2005056899518.