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특허 상세정보

Variable geometry inlet system

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F02C-007/045    F02K-003/04    F02C-007/042    F01D-017/14    F02K-003/02   
출원번호 US-0462981 (2014-08-19)
등록번호 US-10221764 (2019-03-05)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Norton Rose Fulbright Canada LLP
인용정보 피인용 횟수 : 0  인용 특허 : 27
초록

A variable geometry inlet system of an aircraft engine includes an inlet duct. The inlet duct includes at least first and second sections moveable between extended and retracted positions such that the inlet duct defines a variable axial length of an inlet in controlling noise.

대표
청구항

1. A variable geometry inlet system of an aeroengine comprising an inlet duct having an annular lip portion and a front opening defined by the annular lip portion for intake of an air flow, the inlet duct configured for directing the air flow from the front opening to a compressor, the inlet duct including at least first and second sections, the first and the second sections movable relative to one another between an extended position and a retracted position, the first and second sections in the extended position defining an axially longer inlet duct th...

이 특허에 인용된 특허 (27)

  1. Krojer Hubert (Kippenhausen DT). Air intake with deflecting device against foreign objects impinging in the initial direction of air flow at engine nacel. USP1977094047911.
  2. Hogeboom William H. ; Bielak Gerald W.. Aircraft engine acoustic liner. USP1998075782082.
  3. McDonough, Michael Patrick; Brown, Keith Towers; Gilzean, Scott. Aircraft engine nacelle with translating inlet cowl. USP2012058181905.
  4. Porte, Alain; Batard, Herv?. Aircraft engine pod with acoustic attenuation. USP2005056896099.
  5. Schwarz, Frederick M.. Aircraft thermal management system with reduced exhaust re-ingestion. USP2010127857257.
  6. Dougherty Robert P. (Bellevue WA). Apparatus and method for reducing noise emissions from a gas turbine engine inlet. USP1997125702231.
  7. Frustie, Valerie; Duprieu, Bernard; Gantie, Fabrice. Coating for acoustic treatment integrating the function of frost treatment with hot air. USP2011057938224.
  8. Arnold Michael J. (Bangor GB5). Composite structural component. USP1994055315820.
  9. Winter, Michael. Fan nacelle flow control. USP2013098529188.
  10. Ball William H. (Mercer Island WA). Flush inlet for supersonic aircraft. USP1984084463772.
  11. Flatman Richard J. (Derby GB2). Gas turbine engine. USP1989114881367.
  12. Chee Wan T. (Bellevue WA). Inlet cowl attachment for jet engine. USP1985084534167.
  13. Sanders,Bobby W.; Weir,Lois J.. Low sonic boom inlet for supersonic aircraft. USP2006057048229.
  14. Moe, Jeffrey W.; Wunsch, John J.; Sperling, Michael S.. Method and apparatus for noise abatement and ice protection of an aircraft engine nacelle inlet lip. USP2009097588212.
  15. Gruensfelder Cynthia Ann ; Wille Robert Henry. Mission adaptive inlet. USP2000076089505.
  16. Wilson, Robert Samuel. Noise attenuation panel. USP2003086609592.
  17. Farquhar Bannister W. (Bellevue WA) Sloan Denis (Bellevue WA). Noise suppression refracting inlet for jet engines. USP1980034192336.
  18. Derue Anicet (Aix-en-Provence FR). Ram air intakes of rotary-wing aircraft turbine engines. USP1976123998048.
  19. Ayle, Earl; Burchett, Rickey L.. Splicing of curved acoustic honeycomb. USP2013118579076.
  20. Norris Richard M. (Stratford CT) Murphy Joseph P. (Newtown CT). Swinging door particle separator and deicing system. USP1981024250703.
  21. Harm Dorson J. (Seattle WA) Zabinsky Joseph M. (Bellevue WA). Translating lip aircraft cowling structure adapted for noise reduction. USP1991055014933.
  22. Dhoore Louis G. (Seattle WA) Schultz William H. (Bellevue WA). Turbofan engine having variable geometry fan duct. USP1979054155221.
  23. Tedstone, Donald J.. Vane fairing for inertial separator. USP1982084346860.
  24. Sargisson ; Donald Farley. Variable area inlet for a gas turbine engine. USP1978024075833.
  25. Readnour Jack L. (Ft. Mitchell KY) Wright Jack D. (Mason OH). Variable contour annular air inlet for an aircraft engine nacelle. USP1991035000399.
  26. Frantz John J. (Fairfield OH). Variable double lip quiet inlet. USP1979014132240.
  27. Kechely,Roy Eric. Variable fluid intake with ramp and inflatable bag. USP2008097429018.