| 摘要 |
A buoyant submersible mounting 10 for an underwater turbine 19 such as a tidal flow turbine, comprises a first leg 16 for attachment to an underwater anchorage 12, and a second leg 17, which has variable buoyancy for changing the pitch of the mounting in use, trailing the first leg. Preferably there are more than one first and second legs, the first legs are arranged in a V shape, meeting at a common apex for attachment to the anchorage and the first or second legs being linked by an arm18 , which may be a hydrodynamic wing to which the turbine is attached. Buoyancy chambers may be included in the first and second legs with a pump to transfer water between the chambers or to the exterior of the mounting. The anchorage may permit the first leg to move in pitch roll and yaw although a tie bar (Fig 10, 36) may be provided to restrain yaw movement |
