PROBLEM TO BE SOLVED: To provide a new thrust producing unit, in particular for use in multi-rotor aircrafts, which exhibits improved aerodynamics and performance in transversal air flow conditions.SOLUTION: A thrust producing unit 3d is for producing thrust in a predetermined direction. The thrust producing unit 3d comprises at least two rotor assemblies 7d, 8d and a shrouding 6d that accommodates at most one of the at least two rotor assemblies 7d, 8d. The shrouding 6d defines a cylindrical air duct 20 that is axially delimited by an air inlet region 20e and an air outlet region 20f. The air inlet region 20e exhibits an undulated geometry in the circumferential direction of the cylindrical air duct 20.SELECTED DRAWING: Figure 5

    【課題】横向き気流条件において改善された空気力学及び性能を呈し、特にマルチロータ航空機で使用するための新しい推力発生ユニットを提供する。【解決手段】本発明は、所定の方向に推力を発生するための推力発生ユニット3dであって、少なくとも2つのロータアセンブリ7d、8dと、少なくとも2つのロータアセンブリ7d、8dのうちの多くても1つを収容するシュラウド6dと、を含み、シュラウド6dが、エアインレット領域20e及びエアアウトレット領域20fによって軸方向に区切られた円筒形のエアダクト20を規定し、エアインレット領域20eが円筒形のエアダクト20の円周方向に波形形状を呈する、推力発生ユニット3dに関する。【選択図】図5


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    Title :

    THRUST PRODUCING UNIT WITH AT LEAST TWO ROTOR ASSEMBLIES AND SHROUDING


    Additional title:

    少なくとも2つのロータアセンブリ及びシュラウドを備えた推力発生ユニット


    Contributors:

    Publication date :

    2018-09-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT



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