The invention provides a double-duct water-jet propeller, and belongs to the technical field of ship propulsion, the double-duct water-jet propeller comprises a propulsion body which is provided with a first end and a second end which are oppositely arranged, the propulsion body is further provided with a cavity, the propulsion body is provided with a front inlet, a middle inlet, a tail outlet and a tail nozzle which are sequentially arranged from the first end to the second end, and the cavity is divided into a front flow channel and a rear flow channel; the power bin is arranged at the first end; the front impeller is arranged in the front flow channel; the rear impeller is arranged in the rear flow channel; the outer shaft penetrates through the power bin and the front impeller, and the outer shaft is used for driving the front impeller to rotate; the inner shaft penetrates through the power bin and the rear impeller, and the inner shaft is used for driving the rear impeller to rotate; the first switch assembly is arranged in the power bin and used for opening or closing the front inlet; the second switch assembly is arranged at the middle inlet and used for opening or closing the middle inlet; and the third switch assembly is arranged at the tail outlet, and the third switch assembly is used for opening or closing the tail outlet.

    本发明提供双涵道喷水推进器,属于船舶推进技术领域,包括:推进体,具有相对设置的第一端和第二端,推进体还具有腔体,推进体设有由第一端至第二端依次设置的前部进口、中部进口、尾部出口和尾部喷口,腔体分为前流道和后流道;动力仓,设于第一端;前置叶轮,设于前流道;后置叶轮,设于后流道;外轴,穿设于动力仓以及前置叶轮,外轴用于带动前置叶轮转动;内轴,穿设于动力仓以及后置叶轮,内轴用于带动后置叶轮转动;第一开关组件,设于动力仓,第一开关组件用于打开或关闭前部进口;第二开关组件,设于中部进口,第二开关组件用于打开或关闭中部进口;第三开关组件,设于尾部出口,第三开关组件用于打开或关闭尾部出口。


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    Title :

    Double-duct water spraying propeller


    Additional title:

    双涵道喷水推进器


    Contributors:

    Publication date :

    2024-02-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

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



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