The invention discloses an external ducted propeller assembly which comprises a base, a ducted impeller cabin, a jet flow cabin, a steering nozzle, an impeller shaft, an impeller combination, a pin shaft, a protective cover and bolts. Wherein the base, the impeller guide pipe cabin and the jet flow cabin are orderly connected in an inserting manner and are orderly and fixedly mounted through a plurality of bolts to form the whole water jet pump. The ducted propeller is scientific in design and advanced in structure, can be conveniently arranged at a preset position on the surface of a vehicle body at the rear part of an amphibious vehicle, has the outstanding characteristics that the ducted propeller does not occupy the internal space of the vehicle body, can greatly improve the water surface propulsion efficiency and the like, and can better adapt to and meet the urgent requirements of resistance reduction, speed increase and energy conservation of various amphibious vehicles and boats.
本发明公布了一种外置式导管螺旋桨总成,它包括基座、导管叶轮舱、射流舱、转向喷口、叶轮轴、叶轮组合、销轴、防护罩和螺栓。其中基座、叶轮导管舱和射流舱均以插接方式有序连接、经若干螺栓有序固装组成喷水泵整体。该种导管螺旋桨设计科学、结构先进,它可便捷地设装在两栖车后部车体表面的预设位置上,具有不占车体的内部空间、可大幅提升水面推进效率等突出特点,能更好地适应和满足多种水陆两栖车艇减阻增速节能的迫切需要。
External ducted propeller assembly
一种外置式导管螺旋桨总成
2021-09-10
Patent
Electronic Resource
Chinese