| 摘要 |
A wave energy device consisting of at least one open ended tube (1) for insertion into a body of water from which such energy is to be abstracted when the open end (2) of the tube (1) is located below the surface of the water throughout the passage of waves past the device, means (25) for harnessing power from the flow of a fluid (3) within the device resulting from changes in water level within the tube (1) as said waves pass the device, and pressure adjustment means (5) for controlling the mean pressure of the fluid (3) within the device thereby to adjust the mean water level within the tube.
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