| 发明名称 |
METHOD AND MEANS TO PREVENT CAVITATION EROSION IN PROPELLER DUCTS |
| 摘要 |
<p>The invention relates to a method and a means to prevent cavitation and/or erosion in propeller ducts, and the invention is generally characterized in that air is supplied to the so-called "gap cavities" which are formed at the blade extremities or tips and between blade tips and the duct surface.</p> |
| 申请公布号 |
CA1021642(A) |
申请公布日期 |
1977.11.29 |
| 申请号 |
CA19740214349 |
申请日期 |
1974.11.21 |
| 申请人 |
NORGES SKIPSFORSKNINGSINSTITUTT |
发明人 |
HUSE, ERLING;MINSAAS, KNUT |
| 分类号 |
B63H5/07;B63H1/18;B63H5/14;B63H5/15 |
主分类号 |
B63H5/07 |
| 代理机构 |
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代理人 |
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