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특허 상세정보

Integrated engine exhaust systems and methods for drag and thermal stress reduction

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B63H-011/10   
미국특허분류(USC) 239/265.19; 239/265.43; 244/073.0R; 060/771
출원번호 UP-0686639 (2010-01-13)
등록번호 US-7798423 (2010-10-11)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Lee & Hayes, PLLC
인용정보 피인용 횟수 : 3  인용 특허 : 17
초록

Integrated engine exhaust systems and techniques for operating integrated engine exhaust systems are disclosed. In one embodiment, a propulsion system includes an engine installation configured to be mounted on a wing assembly of an aircraft. The engine installation includes an engine, and an exhaust system operatively coupled to the engine. The exhaust system includes at least one nozzle to exhaust an exhaust flow from the engine. The nozzle includes a variable portion configured to vary an exit aperture of the nozzle from a first shape to a second shap...

대표
청구항

What is claimed is: 1. A method of operating an engine exhaust system of an aircraft, the method comprising: providing an engine installation on a wing assembly of the aircraft, the engine installation including an exhaust system having at least one nozzle configured to exhaust an exhaust flow; operating an engine of the engine installation to provide a nozzle flowfield including the exhaust flow emanating from the at least one nozzle; and controllably varying an exit aperture shape of at least a portion of the at least one nozzle from a first shape to ...

이 특허에 인용된 특허 (17)

  1. Braga Da Costa Campos, Luis Manuel. Active noise reducing nozzle. USP2004036705547.
  2. John F. Brausch ; Bangalore A. Janardan ; John W. Barter, IV ; Gregory E. Hoff. Chevron exhaust nozzle for a gas turbine engine. USP2002036360528.
  3. Nesbitt, Eric H.; Butler, George W.; Reed, David H.. Deployable segmented exhaust nozzle for a jet engine. USP2004046718752.
  4. Nash Dudley O. (Forest Park OH) Beavers Robert G. (Mason OH) Burge Joseph C. (Cincinnati OH) Castells Onofre T. M. (Sharonville OH) Parker Alan I. (Cincinnati OH). Flight maneuverable nozzle for gas turbine engines. USP1977014000610.
  5. Grotz Charles A. (Seattle WA). Method of and apparatus for controlling flow attachment to the wing and flap surfaces of an upper surface blowing type a. USP1976073971534.
  6. Gowda,Srinivasa Range; Early,Kevin Sean; Martens,Steven. Methods and apparatus for operating gas turbine engines. USP2006087093423.
  7. Wood,Jeffrey H; Dunne,James P. Morphing structure. USP2008037340883.
  8. Amano Kanichi (Tokyo JPX) Tani Yasuhiro (Utsunomiya JPX). Nacelle apparatus for an airplane. USP1997085653406.
  9. Wood,Jeffrey H. Shape changing structure. USP2007057216831.
  10. Martens, Steven. Shelf truncated chevron exhaust nozzle for reduction of exhaust noise and infrared (IR) signature. USP2003036532729.
  11. Johnson,Curtis William. Supersonic revolving nozzle. USP2006016981365.
  12. Seiner John M. ; Gilinsky Mikhail M.. Undulated nozzle for enhanced exit area mixing. USP2000076082635.
  13. Whurr,John R.. Variable area nozzle. USP2007027178338.
  14. Rey,Nancy M.; Miller,Robin M.; Tillman,Thomas G.; Rukus,Robert M.; Kettle,John L.. Variable area nozzle for gas turbine engines driven by shape memory alloy actuators. USP2006027004047.
  15. Arnold,Steven M.; Penney,Nicholas. Variable area nozzle including a plurality of convexly vanes with a crowned contour, in a vane to vane sealing arrangement and with nonuniform lengths. USP2008127458221.
  16. McCardle ; Jr. Arthur (Greenhills OH) Wright John J. (Monroe OH) Baugh Jarod L. (Waco TX). Variable area, load balancing nozzle. USP1977014000611.
  17. Adamson ; Arthur P.. Variable thrust nozzle for quiet turbofan engine and method of operating same. USP1978014068469.