Device for converting wave energy
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United States of America Patent
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Jul 20, 2010
Grant Date -
Sep 10, 2009
app pub date -
May 31, 2007
filing date -
May 31, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Device for absorption of wave energy, comprising a floating body (2) adapted to move as a result of influence from waves, and energy transmission means transmitting movement of the floating body to a generator, characterized by that it further comprises an immersed vessel (32), the upper part thereof containing gas and lower part thereof containing water, where the interior of the vessel (32) has pressure communication with the surrounding water, so that the volume of the gas in the vessel (32) depends on the pressure surrounding the vessel and thus affects the weight of the vessel (32) and its contents, the vessel (32) having such a connection to the rest of the device that it moves mainly vertically and in anti-phase in relation to the vertical movement of the floating body (2) when waves moves past the device, where the vessel (32) is connected to energy transmitting means for transmitting its movement to a generator.
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