The invention relates to the technical field of a trawler and discloses a flow-guiding device for propelling the trawler. The device comprises a flow-guide pipe, a connecting plate, a screw propeller, a stern post connecting plate and a tail shaft pipe, wherein the connecting plate is connected between the bottom of the flow-guide pipe and a boat body; the stern post connecting plate is arranged at one end of the flow-guide pipe; the screw propeller is arranged in the flow-guide pipe; the tail shaft pipe is arranged on the stern post connecting plate; a tail shaft is arranged in the tail shaft pipe; the screw propeller is connected with the tail shaft arranged in the tail shaft pipe. On one hand, the flow-guide pipe structure is additionally arranged on the outer side of the screw propeller, so that towing force generated by the screw propeller can be increased under the condition of same total power; on the other hand, the flow-guide pipe is arranged on the boat body by the connecting plate structure, so that the mounting difficulty is reduced, and the mounting reliability is improved.


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    Title :

    Flow-guiding device for propelling trawler


    Contributors:
    HUANG PENG (author) / HUANG SENYUAN (author)

    Publication date :

    2015-07-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS



    Flow guide pipe of trawler

    HUANG PENG / HUANG SENYUAN | European Patent Office | 2015

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