[특허]Thrust reverse for a turbofan engine

[미국특허] Thrust reverse for a turbofan engine 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02K-001/70
출원번호	US-0251513 (1988-09-30)
우선권정보	FR-0013490 (1987-09-30)
발명자 / 주소	Dubois Claude A. G. (Honfleur FRX)
출원인 / 주소	Societe anonyme dite Hispano-Suiza (Saint-Cloud FRX 03)
인용정보	피인용 횟수 : 16 인용 특허 : 2

초록 ▼

A thrust reverser includes a thrust reversing door having maximum efficiency in both the closed, forward thrust position and the open, reverse thrust positions. An inner panel is pivotally attached to the thrust reverser door by a linkage mechanism such that, in the closed position, an interior surface of the inner panel is substantially flush with the interior surfaces of the housing defining the cold flow duct so as to minimize or eliminate any perturbations in the air flowing through the cold flow duct. When the door is moved to the opened position, the linkage mechanism interconnecting it to the inner panel causes the inner panel to pivot a greater amount so as to bring an upstream portion of the inner panel closer to an upstream portion of the door to expose the deflector and thereby increase the thurst reversing efficiency. The linkage mechanism interconnecting the inner panel with the door is completely contained between these elements and is also interconnected with the door actuator such that the actuator motion in moving the outer door between its opened and closed positions also serves to move the inner panel.

대표청구항 ▼

In a fan-type turbojet engine having a housing with an outer surface and an inner surface defining the radially outer limits of an axial cold flow airstream from the fan wherein the housing defines at least one substantially laterally facing thrust reversing opening, the improved thrust reversing mechanism comprising: (a) an outer door pivotally attached to the housing so as to be movable between a first, closed position wherein the outer door closes the thrust reversing opening and an external surface of the outer door is substantially flush with the outer surface of the housing, and a second, opened position wherein the thrust reversing opening is opened; (b) actuating means interposed between the housing and the outer door to move the outer door between its first and second positions comprising a jack mechanism having a cylinder affixed to the housing, and an extendible and retractable piston rod connected to the outer door; (c) an inner panel disposed radially inwardly of the outer door; and, (d) attaching means attaching the inner panel to the outer door such that, as the outer door moves between its first and second positions, the inner panel is moved between a first, closed position wherein the inner panel is substantially flush with the inner surface of the housing and the radial distance between upstream portions of the inner panel and the outer door is d1, and a second, opened position wherein the distance between upstream portions of the inner panel and outer door is d2 such the d21 wherein the attaching means comprises at least one first link pivotally interconnecting the piston rod and a downstream portion of the inner panel and at least one second link having ends pivotally connected to upstream portions of the inner panel and the outer door.

이 특허에 인용된 특허 (2) 인용/피인용 타임라인 분석

Fournier Alain M. (Clamart FRX) Kennedy John F. (Boulogne FRX), Thrust reversal device for air-craft turbojets.
상세보기
Taylor Maurice I. (Allestree GB2), Thrust reverser for a fluid flow propulsion engine.
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이 특허를 인용한 특허 (16) 인용/피인용 타임라인 분석

Vauchel, Guy; Lecossais, Eric; Zoonekyndt, Frederic, Grid thrust reverser cover comprising a seal support and associated seal.
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Lore Xavier R. Y. (Beuzeville la Grenier FRX), Multi-panel thrust reverser door.
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Vauchel, Guy Bernard, Nacelle with a variable nozzle section.
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Lair, Jean-Pierre, Pivoting door thrust reverser for a turbofan gas turbine engine.
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Lair, Jean-Pierre, Thrust reverser.
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Lair, Jean-Pierre, Thrust reverser door.
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Lair, Jean-Pierre, Thrust reverser door.
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Hogie Jean-Paul R. A. (Le Havre FRX) Standish Robert (Rambouillet FRX) Vauchel Guy B. (Le Havre), Thrust reverser door having an exhaust gas passage.
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Valleroy Laurent G. (Le Havre FRX), Thrust reverser for a fan-type turbojet engine.
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Schegerin Robert (Jouy en Josas FRX) Laboure Bernard (Velizy FRX) Standish Robert (Gazeran FRX), Thrust reverser for a jet engine of the type with doors equipped with auxiliary flaps.
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Lair, Jean-Pierre, Thrust reverser for a turbofan gas turbine engine.
상세보기
Lair, Jean-Pierre; Weaver, Paul, Thrust reverser for a turbofan gas turbine engine.
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Lair, Jean-Pierre, Thrust reverser nozzle for a turbofan gas turbine engine.
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Charier Gilles Alain,FRX ; Andre Guyonnet Xavier Jean-Michel,FRX ; Rollin Gilles Louis,FRX, Turbojet engine thrust reverser and exhaust nozzle.
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Masson Bertrand H. E. F. P.,FRX, Turbojet engine thrust reverser having dual pivoting doors.
상세보기
Gonidec Patrick,FRX ; Vauchel Guy Bernard,FRX, Turbojet engine thrust reverser having movable rear baffle pivattally connected by forward and rear linkrods which are.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Thrust reverse for a turbofan engine 원문보기