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특허 상세정보

Ultra-efficient propulsor with an augmentor fan circumscribing a turbofan

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B64D-027/12    B64D-027/14    F01D-007/00    F02K-003/06    F02K-003/077    B64C-011/48    B64D-027/02    B64D-027/00   
출원번호 US-0181684 (2014-02-16)
등록번호 US-9759160 (2017-09-12)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    McDonnell Boehnen Hulbert & Berghoff LLP
인용정보 피인용 횟수 : 0  인용 특허 : 16
초록

An ultra-efficient “green” aircraft propulsor utilizing an augmentor fan is disclosed. A balanced design is provided combining a fuel efficient and low-noise high bypass ratio augmentor fan and a low-noise shrouded high bypass ratio turbofan. Three mass flow streams are utilized to reduce propulsor specific fuel consumption and increase performance relative to conventional turbofans. Methods are provided for optimization of fuel efficiency, power, and noise by varying mass flow ratios of the three mass flow streams. Methods are also provided for integrat...

대표
청구항

1. A method of generating thrust with an aircraft propulsor having an augmentor fan, a core engine, and a ducted fan, the method comprising providing thrust from the core engine at a first thrust to total power ratio;providing thrust from the ducted fan at a second thrust to total power ratio; andproviding thrust from the augmentor fan at a third thrust to total power ratio,wherein the third thrust to total power ratio is greater than the second thrust to total power ratio for a first set of flight conditions,wherein the first set of flight conditions co...

이 특허에 인용된 특허 (16)

  1. Rudolph Peter K. C.. Aircraft chute ejector nozzle. USP1999065908159.
  2. Adamson Arthur P. (Cincinnati OH) Butler Lawrence (Cincinnati OH). Auxiliary power source in an unducted fan gas turbine engine. USP1990064936748.
  3. Butler Lawrence (Cincinnati OH). Blade pitch varying mechanism. USP1988044738591.
  4. Sargisson Donald F. (Cincinnati OH) Harshman Daniel L. (Forest Park OH). Compound propulsor. USP1984054446696.
  5. Jannetta, Thomas J.; Peters, Frederick H.. Converging nozzle thrust reverser. USP2003056568172.
  6. Griswold ; Jr. Robert H. (Cincinnati OH) Broman Carl L. (Cincinnati OH). Dual output variable pitch turbofan actuation system. USP1976113994128.
  7. McCarty Frederick B. (San Pedro CA) Fizer Leroy A. (Huntington Beach CA) Wilson Daniel E. (Wilmington CA) Wuertz Kenneth L. (Torrance CA). Electromechanical apparatus for varying blade of variable-pitch fan blades. USP1994015281094.
  8. Richards, Martyn. Engine. USP2011027891163.
  9. Evans Charles R. (Cincinnati OH) Fuhrman Barrett J. (Cincinnati OH) Jones Jackie D. (Fairfield OH) Ridilla Richard A. (Harrison OH). Foreign object damage resistant composite blade and manufacture. USP1994125375978.
  10. McKibbin Albert H. (Cromwell CT) Burno Jon D. (South Windsor CT). Geared drive system for a bladed propulsor. USP1995115466198.
  11. Seidel Gerhard E. (Renton WA). Hoop fan jet engine. USP1988084767270.
  12. Koff ; Bernard L. ; Budinger ; Raymond E. ; Johnson ; James E.. Modulating bypass variable cycle turbofan engine. USP1978034080785.
  13. Simmons John Robert (Cincinnati OH). Split fan work gas turbine engine. USP1977034010608.
  14. Klees Gary W. (Mercer Island WA) Johnson Paul E. (Mercer Island WA). Turboprop engine and method of operating the same. USP1986024569199.
  15. Norris, James W.; Nordeen, Craig A.; Raver, Bernard J.. Variable bypass turbine fan. USP2011108028513.
  16. Johnson James Edward (Hamilton OH) Foster Tom (Cincinnati OH) Allan Roy Duncan (Cincinnati OH). Variable cycle gas turbine engines. USP1977124064692.