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Low noise fan assembly 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F01D-025/04
출원번호 US-0756104 (1991-09-06)
발명자 / 주소
  • Gliebe Philip R. (Waynesville OH) Ho Patrick Y. S. (Cincinnati OH)
출원인 / 주소
  • General Electric Company (Cincinnati OH 02)
인용정보 피인용 횟수 : 62  인용 특허 : 0

초록

A gas turbine engine rotor assembly such as a fan or compressor includes rotor blades spaced axially from stator vanes inside an annular duct. The number of vanes is selected for a predetermined number of blades for obtaining substantially equal values of a cut-off ratio for at least two blade passi

대표청구항

A gas turbine engine fan assembly comprising: a number B of circumferentially spaced rotor blades; a number V of circumferentially spaced stator vanes spaced axially from said blades; an annular duct surrounding said blades and said vanes and having an inlet for receiving air and an outlet for disch

이 특허를 인용한 특허 (62)

  1. Reba, Ramons A.; Morin, Bruce L.; Morford, Stephen A.; Lord, Wesley K., Airfoil acoustic impedance control.
  2. Harrison, Geoffrey E., Annular acoustic panel.
  3. Sharma, Om P.; Blair, Michael F.; Schwarz, Frederick M., Blades in a turbine section of a gas turbine engine.
  4. Balandier, Quentin L.; Vardy, John P., Bleed assembly for a gas turbine engine.
  5. Lee, Ching-Pang; Orlando, Robert Joseph, Duplex turbine nozzle.
  6. Lee, Ching-Pang; Robinson, Geoffrey Douglas; Orlando, Robert Joseph, Duplex turbine shroud.
  7. Gallagher, Edward J.; Monzon, Byron R., Efficient, low pressure ratio propulsor for gas turbine engines.
  8. Gallagher, Edward J.; Monzon, Byron R., Efficient, low pressure ratio propulsor for gas turbine engines.
  9. Gallagher, Edward J.; Monzon, Byron R., Efficient, low pressure ratio propulsor for gas turbine engines.
  10. Gallagher, Edward J.; Monzon, Byron R.; Bugaj, Shari L., Efficient, low pressure ratio propulsor for gas turbine engines.
  11. Gallagher, Edward J.; Monzon, Byron R.; Bugaj, Shari L., Efficient, low pressure ratio propulsor for gas turbine engines.
  12. Freeman, Christopher; Bagnall, Adam M, Fan for a turbofan gas turbine engine.
  13. John C. Larzelere ; Dale W. Sisson, Jr. ; Craig S. LaMoy ; Charles K. Atwell ; Thomas W. Van Doren ; Marh A. Huebner ; Nicholas L. Tzortzinis, Fan rotor with construction and safety performance optimization.
  14. Man-Chun Tse CA, Fan-stator interaction tone reduction.
  15. Power, Bronwyn; Fulayter, Roy D.; Rivers, Jonathan M., Gas turbine engine flow path geometry.
  16. Sharma, Om P.; Blair, Michael F., Gas turbine engine systems and related methods involving vane-blade count ratios greater than unity.
  17. Sharma, Om P.; Blair, Michael F., Gas turbine engine systems and related methods involving vane-blade count ratios greater than unity.
  18. Sharma, Om P.; Blair, Michael F., Gas turbine engine systems and related methods involving vane-blade count ratios greater than unity.
  19. Kohlenberg, Gregory A.; Zamora, Sean P., Gas turbine engine with axial movable fan variable area nozzle.
  20. Kohlenberg, Gregory A.; Zamora, Sean P., Gas turbine engine with axial movable fan variable area nozzle.
  21. Kohlenberg, Gregory A.; Zamora, Sean P., Gas turbine engine with axial movable fan variable area nozzle.
  22. Kohlenberg, Gregory A.; Zamora, Sean P., Gas turbine engine with axial movable fan variable area nozzle.
  23. Kohlenberg, Gregory A.; Zamora, Sean P., Gas turbine engine with axial movable fan variable area nozzle.
  24. Kohlenberg, Gregory A.; Zamora, Sean P., Gas turbine engine with axial movable fan variable area nozzle.
  25. Kohlenberg, Gregory A.; Zamora, Sean P., Gas turbine engine with axial movable fan variable area nozzle.
  26. Kohlenberg, Gregory A.; Zamora, Sean P.; Schwarz, Frederick M., Gas turbine engine with fan variable area nozzle for low fan pressure ratio.
  27. Kohlenberg, Gregory A.; Zamora, Sean P.; Schwarz, Frederick M., Gas turbine engine with fan variable area nozzle for low fan pressure ratio.
  28. Kohlenberg, Gregory A.; Zamora, Sean P.; Schwarz, Frederick M., Gas turbine engine with fan variable area nozzle to reduce fan instability.
  29. Smith, Peter G.; Ochs, Stuart S.; Schwarz, Frederick M., Gas turbine engine with low fan pressure ratio.
  30. Gilson, Jonathan; Cicon, Dennis; Atassi, Oliver V., Gas turbine engine with noise attenuating variable area fan nozzle.
  31. Gilson, Jonathan; Cicon, Dennis; Atassi, Oliver V., Gas turbine engine with noise attenuating variable area fan nozzle.
  32. Smith, Peter G.; Ochs, Stuart S., Gas turbine engine with variable geometry fan exit guide vane system.
  33. Heikurinen, Kari; Townsend, Peter, Low hub-to-tip ratio fan for a turbofan gas turbine engine.
  34. Heikurinen, Karl; Townsend, Peter, Low hub-to-tip ratio fan for a turbofan gas turbine engine.
  35. Topol, David A.; Morin, Bruce L.; Korte, Detlef, Low noise compressor and turbine for geared turbofan engine.
  36. Topol, David A.; Morin, Bruce L.; Korte, Detlef, Low noise compressor and turbine for geared turbofan engine.
  37. Topol, David A.; Morin, Bruce L., Low noise compressor rotor for geared turbofan engine.
  38. Topol, David A.; Morin, Bruce L., Low noise compressor rotor for geared turbofan engine.
  39. Topol, David A.; Morin, Bruce L., Low noise compressor rotor for geared turbofan engine.
  40. Topol, David A.; Morin, Bruce L., Low noise compressor rotor for geared turbofan engine.
  41. Topol, David A.; Morin, Burce L., Low noise compressor rotor for geared turbofan engine.
  42. Ho Patrick Y. ; Gliebe Philip R., Low noise permeable airfoil.
  43. Morin, Bruce L.; Korte, Detlef, Low noise turbine for geared turbofan engine.
  44. Morin, Bruce L.; Korte, Detlef, Low noise turbine for geared turbofan engine.
  45. Decker,John Jared; Szucs,Peter Nicholas; Solomon,William Joseph; Wilson,Virginia Louise, Low solidity turbofan.
  46. Hilbert Gary R. ; Pearson David D. ; Crawley Edward F., Method and apparatus for damping vibration in turbomachine components.
  47. Kennepohl, Fritz; Korte, Detlef, Method for designing a low-pressure turbine of an aircraft engine, and low-pressure turbine.
  48. Borchers, Ingo; Drobietz, Roger; Lange, Thomas, Method for reducing the noise of turbo engines.
  49. Dunbar Donald K. ; Miller Marlen L. ; Converse George L., Methods for designing variable cycle gas turbine engines.
  50. Parzych David J., Optimization of turbomachinery harmonics.
  51. Michael E. Slipper ; Yu-Tai Lee, Quiet and efficient high-pressure fan assembly.
  52. Lee, Ching-Pang; Orlando, Robert Joseph, Reciprocal cooled turbine nozzle.
  53. Waitz Ian A. ; Brookfield John M. ; Sell Julian ; Hayden Belva J. ; Ingard K. Uno, Reduction of turbomachinery noise.
  54. May Daryl N. ; Chapkis Robert L., Rotating machinery noise control device.
  55. Gliebe, Philip Roger, Serrated fan blade.
  56. Wadia,Aspi Rustom; Szucs,Peter Nicholas; Farson,Max Robert; Wilson,Virginia Louise; Solomon,William Joseph, Tip cambered swept blade.
  57. Wilson, Alexander George; Stieger, Rory Douglas; Smith, Nigel; Coupland, John, Tone noise reduction in turbomachines.
  58. Gallagher, Edward J.; Chuang, Sue-Li, Turbofan arrangement with blade channel variations.
  59. Lillibridge Robert W. ; McGuire Kenneth R. ; Phillips Edward J. ; Matthews Eugene James, Turbofan engine with reduced noise.
  60. Lillibridge Robert W. ; McGuire Kenneth R. ; Phillips Edward J. ; Matthews Eugene James, Turbofan engine with reduced noise.
  61. Schwark, Jr., Fred W.; Atassi, Oliver V.; Owen, William D., Variable area fan nozzle cowl airfoil.
  62. Dunbar Donald K. ; Miller Marlen L. ; Converse George L., Variable pressure and variable air flow turbofan engines.
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