| 发明名称 |
Device for propelling ships |
| 摘要 |
The invention concerns a device for propelling ships comprising at least one surface which freely oscillates within a casing under the action of at least one shaft. The surface includes a main blade actuated by the shaft and a smaller leading blade connected to the main blade while providing a free space between the two blades.
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| 申请公布号 |
US4102293(A) |
申请公布日期 |
1978.07.25 |
| 申请号 |
US19770808393 |
申请日期 |
1977.06.20 |
| 申请人 |
SOCIETE D"ETUDE ET DE GESTION DES BREVETS DE LA ROCHE KERANDRAON ET DE SAULCES DE FREYCINET "S.E.G."FR1976072976 23269 |
发明人 |
DE LA ROCHE KERANDRAON, OLIVIER GEOFFROY |
| 分类号 |
B63H1/30;B63H1/36;B63H11/00;B63H11/06;(IPC1-7):B63H1/30 |
主分类号 |
B63H1/30 |
| 代理机构 |
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代理人 |
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