| 摘要 |
<p>A rotor (1) has external blades (2) for use in causing rotation of the rotor, the rotor further having internal blades (5) for use in propelling a fluid through the rotor during rotation of the rotor. Propelled fluid can be used as a power source, for example in a subsea hydrocarbon 5 well. (Fig. 1) 1 / 1o 3 COD)</p> |
