本发明涉及一种轴流式双涵道喷水推进器,属于流体机械工程、船舶推进领域。本发明的目的是为了解决现有轴流式喷水推进器扬程低的问题,所述推进器,由支架、外涵道传动轴、进水流道、外涵道叶轮室、外涵道导叶室、喷口,外涵道叶轮轮毂、外涵道叶轮叶片、外涵道导叶叶片、内涵道传动轴、内涵道叶轮轮毂,内涵道导叶轮毂、内涵道叶轮室、内涵道导叶室、内涵道叶轮叶片、内涵道导叶叶片、法兰盘组成。该装置在保证大流量的前提下,可以提高喷水推进器的扬程,改善抗空化性能,使得轴流式喷水推进器可以应用到高速航行体推进,同时轴流式双涵道喷水推进器避免了多级喷水推进器重量大、空间尺寸大等缺点。

    The invention relates to an axial-flow type double-duct water-jet propeller, and belongs to the field of fluid mechanical engineering and ship propulsion. The invention aims to solve the problem that an existing axial flow type water-jet propeller is low in lift. The propeller is composed of a support, an outer duct transmission shaft, a water inlet runner, an outer duct impeller chamber, an outer duct guide vane chamber, a nozzle, an outer ducted impeller hub, outer ducted impeller blades, outer ducted guide vane blades, an inner ducted transmission shaft, an inner ducted impeller hub, an inner ducted guide vane hub, an inner ducted impeller chamber, an inner ducted guide vane chamber, inner ducted impeller blades, inner ducted guide vane blades and a flange plate. According to the axial-flow type double-duct water-jet propeller, on the premise that large flow is guaranteed, the lift of the water-jet propeller can be improved, the cavitation resistance is improved, the axial-flow type water-jet propeller can be applied to propelling of a high-speed navigation body, and meanwhile the defects that a multi-stage water-jet propeller is large in weight, large in space size and the like are overcome through the axial-flow type double-duct water-jet propeller.


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    Titel :

    一种轴流式双涵道喷水推进器


    Erscheinungsdatum :

    2022-08-30


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

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