一种螺旋桨、叶轮或混合器,其包括至少一个叶片,该叶片具有从叶片前缘延伸至叶片后缘的吸力表面和压力表面以及径向外侧的叶尖区域,其中提供了从压力表面穿过至少一个叶片延伸到吸力表面的五到一百个管道开口,该管道开口被分组在叶片的叶尖区域中。

    A propeller, impeller or mixer comprising at least one blade, the blade having a suction surface and a pressure surface which extend from a leading edge to a trailing edge of the blade and a radially-outer tip region, wherein five to one hundred duct openings are provided extending through the at least one blade from the pressure surface to the suction surface, the duct openings being grouped in the tip region of the blade.


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    Titel :

    螺旋桨空化和噪声的降低


    Erscheinungsdatum :

    2022-12-20


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING