| 摘要 |
A device for harnessing tidal energy, comprising: a vertically elongate chamber at least partially located in a tidal body of liquid; a separating member movable within the chamber either vertically or along, and configured to seal from each other an upper interior region of the chamber above the member and a lower region of the chamber below the member, the chamber having a first opening whereby the lower interior region may communicate with the body of liquid and a second opening whereby the upper interior region may communicate with the air, the same or another body of liquid; energy harnessing means for harnessing (potential) energy from the change in pressure due to change in height caused by change in tide level. Energy recuperation from flow of fluid through the first or second or multiple openings; and restraining means for releasably restraining the motion of the separating member in the chamber.
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