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Gas turbine engine shroud seals

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F01D-009/04
  • F01D-011/08
출원번호 US-0826228 (1997-03-27)
발명자 / 주소
  • Pizzi Antonio,CAX
  • Crone James Christopher,CAX
출원인 / 주소
  • Pratt & Whitney Canada Inc., CAX
대리인 / 주소
    Astle
인용정보 피인용 횟수 : 24  인용 특허 : 20

초록

A seal assembly for a turbine blade tip shroud including a one-piece bent metallic sheet intersegment seal having an axial component and a vertical component adapted to fit in a groove formed in the end walls of each shroud segment, wherein the shroud segment has a platform and radially extending ri

대표청구항

[ We claim:] [1.] A seal for a turbine blade tip shroud in a gas turbine engine, wherein the shroud is located between an axially directed hot gas path and a concentric cooling gas conduit formed between the shroud and an outer casing, and wherein the shroud includes a plurality of segments arranged

이 특허에 인용된 특허 (20)

  1. Creevy Clifford S. (Mainesville OH) Eckert Terry T. (Fairfield OH), Airtight shroud support rail and method for assembling in turbine engine.
  2. Albrecht Richard W. (Fairfield OH) Shepherd Andrew (Fairfield OH), Arrangement for defining improved cooling airflow supply path through clearance control ring and shroud.
  3. Buxe Paul M. (Lake Park FL) Marshall James F. (Palm Beach Gardens FL) Smith ; Jr. Paul A. (Palm Beach Gardens FL), Blade root seal.
  4. Bailey Mark J. (Cincinnati OH) Bonner Kurt J. (Maineville OH), Compressor liner spacing device.
  5. Birch Kenneth W. (Derby GB2), Gas turbine engine blade shroud assembly.
  6. Kalogeros Robert R. (Glastonbury CT), Interblade seal for turbomachine rotor.
  7. Lillibridge Herbert J. (Plainville CT) Schwarzmann Russell A. (Marlborough CT), Intersecting feather seals for interlocking gas turbine vanes.
  8. Sweeney Derek J. (Dublin IEX), Low-pressure turbine heat shield.
  9. Sweeney Derek J. (Dublin IEX), Low-pressure turbine shroud.
  10. Kildea Robert J. (Juno Isles FL), Radial seal.
  11. Sandy ; Jr. James J. (Palm Beach Gardens FL) Huth Brian P. (East Hartford CT), Sealed shroud for rotating body.
  12. Dixon William E. (Jensen Beach FL) Burge Joseph C. (Palm Beach Gardens FL) Tiernan ; Jr. Richard J. (Hobe Sound FL) Hensen Lee E. (Lake Park FL), Segmented stator vane seal.
  13. Leonard John F. (Bristol GB2), Shroud liners.
  14. Clevenger Douglas H. (Palm Beach Gardens FL) Deptowicz Donald L. (Palm Beach Gardens FL), Stator vane platform cooling means.
  15. Wilson Paul S. (Fairfield OH) Rankey Dean A. (Cincinnati OH) Shelton Monty L. (Cincinnati OH) Wallace Thomas T. (Maineville OH), Thermal control damper for turbine rotors.
  16. Honkomp Mark S. (Cincinnati OH) Greninger Allewis A. (Enfield CT), Thermal shielding apparatus or radiositor for a gas turbine engine.
  17. Benjamin Robert B. (Windsor CT) Adams Betsy B. (Cambridge MA), Turbine blade damper and seal.
  18. Barcza William K. (Palm City FL), Turbine engine rotor blade platform seal.
  19. Pask, George, Turbine shroud and turbine shroud assembly.
  20. Jacobs Keith G. (Loveland OH) Rosario Jeanne M. (Loveland OH) Fisher Michael H. (Cincinnati OH), Wear shim for a turbine engine.

이 특허를 인용한 특허 (24)

  1. Ring, Mark David; Earl, Jonathan J., Anti-rotation stator segments.
  2. Binks, Alan J.; Penda, Allan R., Assembly for mounting a turbine engine to a pylon.
  3. Blaney, Ken F.; Pelletier, Brian R.; Knapp, James N., BOAS with radial load feature.
  4. Paprotna, Hubertus E.; Morrision, Michael J., Biased wear resistant turbine seal assembly.
  5. Bergman, Russell J.; Kovach, Scott A., Combined featherseal slot and lightening pocket.
  6. Bergman, Russell J.; Kovach, Scott A., Combined featherseal slot and lightening pocket.
  7. Gilman, Justin, Damper seal and vane assembly for a gas turbine engine.
  8. Kreis, Erhard; Nagler, Christoph; Rathmann, Ulrich, Fastening and fixing device.
  9. Badescu, Ovidiu; Pizzi, Antonio, Mounting system for mounting engine nacelle components and associated method.
  10. Smed, Jan P., Multidirectional turbine shim seal.
  11. Bridges, Jr., Joseph W.; Propheter-Hinckley, Tracy A., Seal assembly retention feature and assembly method.
  12. Bridges, Jr., Joseph W.; Propheter-Hinckley, Tracy A., Seal assembly retention method.
  13. Bolms, Hans-Thomas, Seal element for sealing a gap and combustion turbine having a seal element.
  14. Snyder, Brooks E.; Slavens, Thomas N.; Blake, Mosheshe Camara-Khary, Seal for gas turbine engine.
  15. Campbell, Christian X.; Merrill, Gary B., Sealing arrangement for turbine engine having ceramic components.
  16. Stapleton, David Scott, Shroud assembly and shroud for gas turbine engine.
  17. Martin, Yves, Shroud segment arrangement for gas turbine engines.
  18. Slavens, Thomas N.; Moore, Sasha M.; LoRicco, Nicholas M., Trough seal for gas turbine engine.
  19. Jaureguiberry, Carole; Silva, Manuel, Turbine ring for a turbomachine.
  20. Bergman, Russell J.; Chrisikos, James P.; Bach, Leonard A., Turbine sealing system.
  21. Nakamura, Orio; Ura, Yoshiyuki, Turbine shroud.
  22. Durocher,Eric; Clermont,Martin, Turbine shroud segment feather seal located in radial shroud legs.
  23. Durocher, Eric; Lefebvre, Guy, Turbine shroud segment with inter-segment overlap.
  24. Naryzhny, Oleg Dmitrievich; Morozov, Andrey Petrovich; Khanin, Alexander Anatolievich, Turbine vane.
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