Adaptive tidal current power extraction device

Details Adaptive tidal current power extraction device Adaptive tidal current power extraction device

F - Mech Eng,Light,Heat,Weapons

03

B

F03B 17/06 (2006.01) F03B 13/26 (2006.01)

Patent

CA 2669099

A system is adapted to extract energy from flowing liquid. The system includes at least one vertically-extending vane adapted to move in response to the flowing liquid. The vane has a vertical length wherein at least a portion of the vane can be positioned below a surface of a body of liquid such that the vane forms a swept area defined at least partially by the vertical portion of vertical lengths of the vane positioned below the surface. The system further includes a mechanism adapted to selectively vary the swept area.

L'invention concerne un système conçu pour extraire l'énergie d'un liquide en écoulement. Ce système comprend au moins une pale s'étendant verticalement destinée à se déplacer sous l'action du liquide en écoulement. Cette pale présente une longueur verticale, au moins une partie de la pale pouvant être placée sous la surface d'une masse de liquide de sorte que la pale forme une surface balayée définie au moins partiellement par la partie verticale des longueurs verticales de la pale placée sous la surface. Le système selon l'invention comprend en outre un mécanisme servant à modifier sélectivement la surface balayée.

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