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특허 상세정보

Variable area fan exhaust nozzle having mechanically separate sleeve and thrust reverser actuation systems

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F02C-003/02    F02K-001/09    F02K-001/70   
미국특허분류(USC) 60/226.1 ; 60/226.2 ; 60/230 ; 244/110B ; 239/265.31 ; 239/265.27
출원번호 US-0823294 (1997-03-21)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Baran
인용정보 피인용 횟수 : 198  인용 특허 : 12
초록

A gas turbine engine (10) includes a translating sleeve (38) disposed within a downstream portion of an outer nacelle (20). A variable area fan exhaust nozzle (30) is defined between the trailing edge (32) of the translating sleeve (38) and a conical core cowl (26) disposed radially inwardly of the outer nacelle (20) and spaced apart therefrom. The translating sleeve (38) translates downstream to cooperate with the decreasing diameter of the core cowl (26) to increase the area of the fan exhaust nozzle (30).

대표
청구항

[ We claim:] [1.] A variable area exhaust nozzle for a gas turbine engine having a longitudinally extending axis, comprising:an aerodynamically streamlined outer nacelle having an upstream portion and a downstream portion, the downstream portion including:a thrust reverser having a moveable body and a plurality of blocker doors radially spaced apart from the moveable body, the thrust reverser being positionable at an engaged position and a disengaged position, anda fixed geometry translatable sleeve having a trailing edge aft of the moveable body, the sl...

이 특허에 인용된 특허 (12)

  1. Montgomery Ronald (Belfast IEX). Actuating mechanism for the thrust reversal doors of a gas turbine engine. USP1979034145877.
  2. Remlaoui Jihad I. (Oceanside CA). Cascade type aircraft engine thrust reverser with hidden link actuator. USP1993075228641.
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  7. Klees Garry W. (Mercer Island WA) Wright Charles P. (Seattle WA). Internally ventilated noise suppressor with large plug nozzle. USP1985024501393.
  8. Klees Garry W. (Mercer Island WA). Plug-type exhaust nozzle having a variable centerbody and translating shroud. USP1989024802629.
  9. Jurich Umberto (Kirkland WA). Thrust reverser for high bypass jet engines. USP1989024807434.
  10. Lair Jean-Pierre (8023 Vantage ; Suite 1450 San Antonio TX 78230). Thrust reverser integrating a variable exhaust area nozzle. USP1993015181676.
  11. Wright Jack D. (Mason OH) Ellis Joe E. (Cincinnati OH). Thrust reversing arrangement for a long duct mixed flow exhaust turbofan engine. USP1994055313788.
  12. Barbarin Jacques M. G. (Montivilliers FRX) Lecoutre Pascal B. G. (Le Havre FRX). Turbojet engine thrust reverser with variable exhaust cross-section. USP1990054922713.

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