The invention relates to a novel conduit type propeller, including a conduit and blades, wherein an annular groove is arranged on the inner surface of the conduit, the position of the annular groove corresponds to the periphery positions of the ends of the blades, and the section of the annular groove is of asymmetrical triangular structure. According to the novel conduit type propeller, the gap between each blade and the inner wall of the conduit is increased, and the annular groove with a certain gradient is arranged, so that the possibility that sundries are clamped between the conduit and each blade is reduced, and the propulsion of the propeller is increased.
Novel conduit type propeller
2015-06-03
Patent
Electronic Resource
English
IPC: | B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING |
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