PROBLEM TO BE SOLVED: To provide an aft engine having a specially designed nacelle for incorporation into an aircraft.SOLUTION: A fuselage 20 of an aircraft 10 extends from a forward end towards an aft end 16 of the aircraft. An aft engine 200 is installed in the fuselage proximately to the aft end, and includes a fan 222 and a nacelle 224. The fan is rotatable about a central axis 220 of the aft engine, and includes a plurality of fan blades 228. The nacelle surrounds the fan blades and defines a bottom portion 248 having a forward end 246. Additionally, the nacelle defines a curved surface at the forward end, the curved surface including a reference point where the curved surface defines the smallest radius of curvature. The nacelle further defines a normal reference line extending normally from the reference point. The normal reference line defines an angle with the central axis of the aft engine greater than zero to, e.g., allow a maximum amount of air to flow into the aft engine.SELECTED DRAWING: Figure 5

    【課題】航空機に組み込むために特別に設計されたナセルを有する後部エンジンを提供する。【解決手段】航空機10の胴体20は、航空機の前方端から後方端16に向かって延在する。後部エンジン200は、後方端に近接して胴体に取り付けられ、ファン222およびナセル224を含む。ファンは、後部エンジンの中心軸220の周りに回転可能で複数のファンブレード228を含む。ナセルは、ファンブレードを囲み、前方端246を有する下部248を定め、前方端に湾曲面を定め、湾曲面は、湾曲面が最小の曲率半径を定める基準点を含む。ナセルはさらに、基準点から垂直に延在する垂直基準線を定める。垂直基準線は、後部エンジンの中心軸とゼロより大きな角度を定めて、例えば、後部エンジンに最大限の空気流量が入ることを可能にする。【選択図】図5


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    Title :

    AFT ENGINE NACELLE SHAPE FOR AN AIRCRAFT


    Additional title:

    航空機用の後部エンジンナセルの形状


    Contributors:

    Publication date :

    2017-03-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT



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