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Gas turbine engine feather seal arrangement 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F16J-015/447
  • F01D-009/04
출원번호 US-0350567 (1994-12-07)
발명자 / 주소
  • Tibbott Ian (Montarville CAX) Gates Roger (Montreal CAX)
출원인 / 주소
  • Pratt & Whitney Canada, Inc. (Longueuil CAX 03)
인용정보 피인용 횟수 : 42  인용 특허 : 0

초록

Adjacent platforms (16) have feather seals (34) in complementary slots (22). Hot grooves (40) carry cooling air across the seal and discharge it into the gap (20) between adjacent platforms. Grooves discharging from abutting surfaces are staggered and have a flow component parallel to the axial gas

대표청구항

In a gas turbine engine having an axial gas flow therethrough: a plurality of circumferentially adjacent segments, each segment having a first surface in contact with hot gas flow and an opposite surface in contact with a supply of cool air, each segment having two side surfaces, each side surface a

이 특허를 인용한 특허 (42)

  1. Paprotna, Hubertus E.; Morrision, Michael J., Biased wear resistant turbine seal assembly.
  2. Decardenas, Rafael A., Blade assembly in a combustion turbo-machine providing reduced concentration of mechanical stress and a seal between adjacent assemblies.
  3. Bergman, Russell J.; Kovach, Scott A., Combined featherseal slot and lightening pocket.
  4. Bergman, Russell J.; Kovach, Scott A., Combined featherseal slot and lightening pocket.
  5. Itzel,Gary Michael; Jacala,Ariel Caesar Prepena, Controlled leakage pin and vibration damper for active cooling and purge of bucket slash faces.
  6. Meenakshisundaram, Ravichandran; Liu, Yang, Cooling gas turbine components with seal slot channels.
  7. Scheurlen,Michael; Gu,Xubin E., Cooling system for a seal for turbine vane shrouds.
  8. Thomen, Seth J.; Corcoran, Christopher, Damper pin.
  9. Thomen, Seth J.; Corcoran, Christopher, Damper pin.
  10. Elliott,Robert; Tibbott,Ian, Damper seal.
  11. Sarawate, Neelesh Nandkumar; Weber, David Wayne; Samudrala, Omprakash; Morgan, Victor John, Enhanced cloth seal.
  12. Zimmermann, Alisha M.; Chuong, Conway; Duelm, Shelton O., Feather seal slot.
  13. Boeke, Mark A.; Rajchel, Kevin; Salzillo, Richard M.; Degray, Jeffrey J.; Mainelli, Allison, Gas turbine engine component having variable width feather seal slot.
  14. Lutjen, Paul M.; Tholen, Susan M, Gas turbine engines and related systems involving blade outer air seals.
  15. Weber, David Wayne; Golden, Christopher Lee, Gas turbine stator assembly.
  16. Bridges, Jr., Joseph W.; Propheter-Hinckley, Tracy A, Gas turbine systems involving feather seals.
  17. Lewis, Scott D., Grooved seal arrangement for turbine engine.
  18. Lewis, Scott D., Grooved seal arrangement for turbine engine.
  19. Morgan, Victor J.; Sarawate, Neelesh N.; Weber, David W., Metallic stator seal.
  20. Smith, Aaron Ezekiel; Weber, David Wayne, Microchannel exhaust for cooling and/or purging gas turbine segment gaps.
  21. Smed, Jan P., Multidirectional turbine shim seal.
  22. Cross, Rodney Alan; Sargent, Raymond Frederick; Cross, Edward Henry, Non-contacting face seals and thrust bearings.
  23. Self, Kevin P; Simms, Mark J, Nozzle guide vanes.
  24. Florjancic, Stefan; Rathmann, Ulrich, Process for producing a groove-like recess, and a groove-like recess of this type.
  25. Murphy, Michael Joseph; Lavin, Jeffrey R., Recoatable exhaust liner cooling arrangement.
  26. Ferra,Paul William; Scanlon,Timothy John, Seal assembly.
  27. Bridges, Jr., Joseph W.; Propheter-Hinckley, Tracy A., Seal assembly retention feature and assembly method.
  28. Bridges, Jr., Joseph W.; Propheter-Hinckley, Tracy A., Seal assembly retention method.
  29. Chikami Rintaro,JPX ; Sakata Kaoru,JPX ; Nakamura Takeshi,JPX, Seal structure between gas turbine discs.
  30. Pal, Dipankar; Coign, Robert Walter; Itzel, Gary Michael; McGovern, Kevin Thomas; Porter, Christopher Donald, Seal system including angular features for rotary machine components.
  31. Beeck Alexander,DEX ; Nazmy Mohamed,CHX ; Weigand Bernhard,DEX, Sealing arrangement.
  32. Martin, Yves, Shroud segment arrangement for gas turbine engines.
  33. Salazar, Santiago; Gisch, Andrew, Static seal for turbine engine.
  34. Weinert, Markus; Leymann, Tobias, Stator of a turbine of a gas turbine with improved cooling air routing.
  35. Heinz-Schwarzmaier, Thomas; Steiger, Ulrich; Rathmann, Ulrich, Strip seal and method for designing a strip seal.
  36. Steiger, Ulrich Robert; Heinz-Schwarzmaier, Thomas, Strip seal and method for designing a strip seal.
  37. Cetel, Alan D.; Shah, Dilip M.; Hudson, Eric A.; Surace, Raymond, Thin seal for an engine.
  38. Spangler, Brandon W.; Paauwe, Corneil S.; Lehane, Christopher J.; Tracy, Anita L.; Wiedemer, John D.; Hjelm, Scott D., Turbine airfoil with platform cooling.
  39. Weber, David Wayne; Golden, Christopher Lee, Turbine assembly and method for controlling a temperature of an assembly.
  40. Zagar Thomas W. ; Schiavo Anthony L., Turbine blade platform seal.
  41. Corcoran, Christopher; Thomen, Seth J., Turbine blade with mate face cooling air flow.
  42. Naryzhny, Oleg Dmitrievich; Morozov, Andrey Petrovich; Khanin, Alexander Anatolievich, Turbine vane.
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