Aircraft sandwich panels, related propulsion units and aircraft and methods of manufacture. The invention aims to provide an alternative to aluminum-based aircraft nacelle sandwich panels to avoid corrosion issues and to provide a lighter structure. The sandwich panel according to the invention comprises a first skin (26) and a second skin (28), between which a honeycomb core (24) is positioned, comprising cells (32) open on both sides to the first skin (26) and the second skin (28), respectively, separated from each other by side walls (34), characterized in that the cells (32) are arranged in the honeycomb core (24). The side wall (34) of the core (24) comprises a reinforcement (37) based on aramid fibers, carbon fibers or glass fibers, a polymeric reinforcement resin (38) and a boron nitride powder (40). The invention also relates to a method for manufacturing such a panel, to a propulsion unit and to an aircraft comprising such a panel.

    飞行器夹层面板、相关推进单元和飞行器及制造方法。本发明旨在提供针对基于铝的飞行器短舱夹层面板的替代方案,以避免腐蚀问题并提供较轻结构。根据本发明的夹层面板包括第一蒙皮(26)和第二蒙皮(28),蜂窝状芯部(24)定位在第一蒙皮与第二蒙皮之间,该蜂窝状芯部包括在两侧分别向第一蒙皮(26)和第二蒙皮(28)敞开的小室(32),这些小室通过侧壁(34)彼此分开,其特征在于,芯部(24)的侧壁(34)包括基于芳族聚酰胺纤维、碳纤维或玻璃纤维的增强物(37)、聚合物增强树脂(38)和氮化硼粉末(40)。本发明还涉及这种面板的制造方法,也涉及包括这种面板的推进单元和飞行器。


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    Title :

    Aircraft sandwich panel, associated propulsion unit and aircraft and method of manufacture


    Additional title:

    飞行器夹层面板、相关推进单元和飞行器及制造方法


    Contributors:

    Publication date :

    2023-10-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge / B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL , Verfahren zum Aufbringen von Flüssigkeiten oder von anderen fließfähigen Stoffen auf Oberflächen allgemein / B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / B64F GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT , Boden- oder Flugzeugträgerdeckeinrichtungen besonders ausgebildet für die Verwendung in Verbindung mit Luftfahrzeugen



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