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Lightweight propulsor blade with internal spars and rigid base members 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B64C-027/46
출원번호 US-0655510 (1991-02-13)
발명자 / 주소
  • Violette John A. (Granby CT) Delgrosso Eugene J. (Wallingford CT)
출원인 / 주소
  • United Technologies Corporation (Hartford CT 02)
인용정보 피인용 횟수 : 44  인용 특허 : 0

초록

A lightweight propulsor blade (10) is constructed 10 of a hollow internal spar (30) and an exterior airfoil shell (20) which defines and encompasses a hollow interior cavity (26). The internal spar (30) is disposed within the cavity 26 and extends spanwisely from its tip portion to terminate in a sp

대표청구항

A propulsor blade comprising: a. an external shell having a leading edge, a trailing edge, a tip end, a root end, a first airfoil pressure surface extending on one side of the blade in a chordwise direction between the leading edge and the trailing edge and in a spanwise direction between the tip en

이 특허를 인용한 특허 (44)

  1. Clark, Daniel; Webster, John R, Actuator.
  2. Foster, Larry, Airfoil with an integrally stiffened composite cover.
  3. Watson, Thomas J.; Bales, Daniel A., Aluminum airfoil.
  4. Kray, Nicholas Joseph; Finn, Scott Roger; Baehmann, Peggy Lynn; Shim, Dong-Jin; Gemeinhardt, Gregory Carl, Attachment of composite article.
  5. Kray, Nicholas Joseph; Finn, Scott Roger; Baehmann, Peggy Lynn; White, Joel Primmer, Attachment of composite article.
  6. Bianchi, Laurent; Isidore, Nicolas; Gaffiero, Jacques; Michel, Bernard, Blade and method of fabricating said blade.
  7. McMillan, Alison J., Blade for a gas turbine engine comprising composite material having voids configured to act as crack initiation points when subject to deformation wave.
  8. Tutaj, Stanislas; Petellaz, Bruno; Amat, Pascal, Blade with redundant anchoring in a hub, propeller, turboprop engine and aircraft.
  9. McMillan, Alison J., Composite aerofoil.
  10. Gupta, Neil; Karem, Abe, Composite blade root structure.
  11. Cahill, Kevin; Strauss, Eric; Burchett, Doug; Didandeh, Hooshang; Shogren, Charles Mark, Composite fan.
  12. Moselage, III, John Henry, Composite propeller spar.
  13. Kovalsky David A. ; Jones Corey D. ; Damon Christopher J. ; Meyer Leon M., Composite tip cap assembly for a helicopter main rotor blade.
  14. Parkos, Joseph; Hansen, James O.; Lomasney, Gary M.; Morin, Thomas M., Electroformed conforming rubstrip.
  15. Murooka, Takeshi, Fan rotor blade and fan.
  16. Brown, Wesley D, High temperature turbine rotor blade.
  17. Brown, Wesley D; Plank, William L., High temperature turbine rotor blade.
  18. McComb, Patrick James, Hollow fan blade with extended wing sheath.
  19. Muron, Stephen P.; Foster, Larry, Hollow fan bladed with braided fabric tubes.
  20. Ford, Jeffery L.; Adams, Benjamin; Schroder, Michael; Cutiongco, Eric, Hybrid metal leading edge part and method for making the same.
  21. Spoonire, Ross Ashely; Lin, Wendy Wen-Ling; Schilling, Jan Christopher; Shim, Dong Jin; Gemeinhardt, Gregory Carl; Jadhav, Prakash Kashiram, Hybrid turbine blade including multiple insert sections.
  22. Samit Marc ; Welch Douglas A. ; Duesler Paul W. ; Markham Patrick D. ; Penda Allan R., Impact resistant hollow airfoils.
  23. Eilert,Theodore J.; Harkins,Henry D.; Kornfeld,Roger E.; Breer,Marlin D., Method and apparatus for forming complex contour structural assemblies.
  24. Cavalli, Luigi, Method of producing a vehicle steering wheel.
  25. Velicki, Alexander; Thrash, Patrick Joseph; Burgess, Roger Alan; Standish, Cole, Molding process and apparatus for producing unified composite structures.
  26. de Diego, Peter, Perforated ceramic matrix composite ply, ceramic matrix composite article, and method for forming ceramic matrix composite article.
  27. Fitzgerald John James ; Bachrach William Elliott ; Lin Wendy Wen-Ling ; Finn Scott Roger, Poly-component blade for a gas turbine.
  28. Mowbray Donald Fredrick ; Fitzgerald John James ; Bachrach William Elliot ; Lin Wendy Wen-Ling ; Finn Scott Roger, Poly-component blade for a steam turbine.
  29. Eilert, Theodore J.; Harkins, Henry D.; Kornfeld, Roger E.; Breer, Marlin D., Preform for forming complex contour structural assemblies.
  30. Brown, Wesley D; Plank, William L, Process of forming a high temperature turbine rotor blade.
  31. Tutaj, Stanislas; Petellaz, Bruno, Propeller blade with reinforcing spars and boxes, and propeller comprising at least one such blade.
  32. Bianchi, Laurent; Gaffiero, Jacques; Charreyre, Alain; Marchand, Francois, Rotor blade and an aircraft.
  33. Gallet, Francois, Rotor blade of a gas turbine engine made of composite material comprising a connecting yoke, method for manufacturing the blade.
  34. Hancock, Mark, Sectional blade.
  35. Hibbard, Paul; Hancock, Mark, Sectional wind turbine blade.
  36. Alexander Velicki, Stitched composite fan blade.
  37. Sjogren,John F.; Eilert,Theodore J.; Harkins,Henry D., System and method for processing a preform vacuum vessel to produce a structural assembly.
  38. Kirkpatrick, Bowden; Baehmann, Peggy Lynn; Quek, Shu Ching; Praveen, Grama Narasimhaprasad; Zhou, Youdong, Turbine blade fabrication.
  39. Kavala, Venkateswara Rao, Wind turbine blades with cross webs.
  40. Upton, Daniel E.; Gruhn, Joel D., Wind turbine rotor blade components and machine for making same.
  41. Gruhn, Joel D.; Franklin, Ethan; Narasimhan, Kameshwaran, Wind turbine rotor blade components and methods of making same.
  42. Gruhn, Joel D.; Franklin, Ethan; Narasimhan, Kameshwaran, Wind turbine rotor blade components and methods of making same.
  43. Gruhn, Joel D.; Franklin, Ethan; Narasimhan, Kameshwaran, Wind turbine rotor blade components and methods of making same.
  44. Gruhn, Joel D.; Franklin, Ethan; Narasimhan, Kameshwaran, Wind turbine rotor blade components and methods of making same.
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