发明名称 |
COMBINED PROPELLER CAP FOR REDUCING ROTATING FLOW AND HUB VORTEX AND ENHANCING PROPULSION EFFICIENCY |
摘要 |
The present invention relates to the structure of a propeller cap. According to the present invention, in order to solve the problem with the existing PBCF (Propeller Boss Cap Fin) whereby manufacturing is difficult expensive due to precise machining, there is provided a combined propeller cap for reducing rotational flow and hub vortex and improving propulsive efficiency, the combined propeller cap being capable of reducing hub vortex cavitation that is generated behind a propeller by using a structure in which a diffusion type propeller cap is coupled to the end of a contraction type propeller cap, and being capable of additionally reducing the hub vortex cavitation by attaching guide fins at a contractive section or between the contractive section and a diffusive section of the propeller cap. |
申请公布号 |
EP3150482(A1) |
申请公布日期 |
2017.04.05 |
申请号 |
EP20150799494 |
申请日期 |
2015.05.22 |
申请人 |
Korea Institute of Ocean Science and Technology |
发明人 |
SEOL, Han Shin;PAIK, Bu Geun;KIM, Kyung Youl |
分类号 |
B63H1/14;B63H1/28 |
主分类号 |
B63H1/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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