A fiber-reinforced plastic propeller for an unmanned aerial vehicle using a foam material according to an embodiment of the present invention comprises: a foam core located inside and formed by foaming a liquid foaming resin; a first prepreg layer located on the surface of the foam core; a second prepreg layer laminated on the surface of the first prepreg layer; and a film layer inserted into the first prepreg layer. The present invention can provide a structure for reinforcing the strength and rigidity of the propeller as a structural material through the above structure.

    본 발명의 일 실시예에 따른 폼재를 이용한 무인 항공기용 섬유강화플라스틱 프로펠러는 내부에 위치하며 액상 발포 수지를 발포하여 형성된 폼코어, 폼코어의 표면에 위치한 제1 프리프레그층, 제1 프리프레그층 표면에 적층된 제2 프리프레그층 및 제1 프리프레그층 내부에 삽입된 필름층을 포함한다. 본 발명은 상기 구조를 통해 구조재로서 프로펠러의 강도, 강성을 보강하기 위한 구조를 제공할 수 있다.


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    Title :

    FIBER REINFORCED PLASTIC PROPELLERS FOR UNMANNED AERIAL VEHICLE USING FOAM MATERIAL AND MENUFACTURING METHOD THEREOF


    Additional title:

    폼재를 이용한 무인 항공기용 섬유강화플라스틱 프로펠러 및 이의 제조방법


    Publication date :

    2021-11-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B29L INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES , Index-Schema für besondere Gegenstände in Verbindung mit Unterklasse B29C / B64C AEROPLANES , Flugzeuge / B29K Index-Schema für Formmassen oder Materialien für Verstärkungen, Füllstoffe oder vorgeformte Teile, z.B. Einlagen in Verbindung mit den Unterklassen B29B, B29C oder B29D , INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS



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