| 摘要 |
A device (100) for reducing the drive power requirement of a ship and even for not very quick ships of all types, in particular for slow, full-built ships such as tankers, bulkers and tugboats, and for improving the propeller blower stream as well as for producing a pretwist consists in a front nozzle (20) fixedly installed on the hull (100) with fins or hydrofoils (30a, 30b, 30c, 30d) placed in the inner space (20a) thereof. |
