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특허 상세정보

Leaned and swept fan outlet guide vanes

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F02K-003/02   
미국특허분류(USC) 602/261 ; 416/223R ; 415/208.1
출원번호 US-0248894 (1999-02-12)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Hess
인용정보 피인용 횟수 : 61  인용 특허 : 12
초록

A gas turbine engine fan assembly has a plurality of axially swept fan exit guide vanes circumferentially disposed around an axially extending centerline, a plurality of fan frame struts having axially swept strut leading edges and circumferentially disposed around the centerline directly aft of the exit guide vanes, and an axially extending annular gap between the trailing edges of the fan exit guide vanes and the strut leading edges. Each of the fan exit guide vanes has pressure and suction sides, vane trailing edges, and is circumferentially leaned su...

대표
청구항

[What is claimed is:] [9.]an annular fan duct circumscribed about a centerline,an annular core engine inlet disposed axially aft of said fan duct,an annular fan bypass inlet disposed axially aft of said fan duct and radially outward of said core engine inlet,an annular splitter disposed radially between said fan bypass inlet and said core engine inlet,a plurality of axially swept fan exit guide vanes having axially swept vane trailing edges and circumferentially disposed around said centerline and within said fan duct with only an axially extending gap b...

이 특허에 인용된 특허 (12)

  1. Cox John C. (Derby GB2) Morgan Stephen E. (Derby GB2) Hamblett Martin (Derby GB2) Rubini Alfred (Derby GB2). Aerofoil section members for turbine engines. USP1987124714407.
  2. Weingold Harris D. (West Hartford CT) Neubert Robert J. (Amston CT) Andy John G. (Hamden CT) Behlke Roy F. (Manchester CT) Potter Glen E. (Vernon CT). Bowed airfoil for the compression section of a rotary machine. USP1992025088892.
  3. Martin Jack R. (Bedford MA). Bowed turbine blade. USP1987074682935.
  4. Gregory Brent A. (Cincinnati OH). Curvilinear turbine airfoil. USP1989054826400.
  5. Porte Alain,FRX. Device for bleeding off and cooling hot air in an aircraft engine. USP1998075782077.
  6. Wadia Aspi R. ; Prentice Ian F. ; Crall David W. ; Koch Carl C.. Forward swept fan blade. USP1998035725354.
  7. Wadia Aspi R. (Loveland OH) Szucs Peter N. (West Chester OH) Niskode Padmakar M. (Cincinnati OH) Battle Pamela A. (Forest Park OH). Forward swept rotor blade. USP1992125167489.
  8. Amos David J. (Nether Providence Township PA). Intermediate transition annulus for a two shaft gas turbine engine. USP1977034013377.
  9. Korn James A. (Indianapolis IN). Reversible ducted fan assembly. USP1976103986794.
  10. Price Francis R. (Glastonbury CT) Titus Charles B. (West Hartford CT). Stator vane. USP1988054741667.
  11. Lings Barry W. (Derby GB2). Stator vane for a gas turbine engine. USP1985034504189.
  12. Spear David A. (Manchester CT) Biederman Bruce P. (Meriden CT) Orosa John A. (Palm Beach Gardens FL). Swept turbomachinery blade. USP1997075642985.

이 특허를 인용한 특허 피인용횟수: 61

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  10. Orosa, John; Montgomery, Matthew. Compressor blade having a ratio of leading edge sweep to leading edge dihedral in a range of 1:1 to 3:1 along the radially outer portion. USP2012048147207.
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