Apparatus for wave power generation

F - Mech Eng,Light,Heat,Weapons – 03 – B

Patent

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F03B 13/18 (2006.01)

Patent

CA 2709842

Apparatus for generation of wave power comprising a first longitudinal floatation body (1) which is floating in a substantially vertical position in a body of water. The device also comprises a second floatation body (2), which encircles the first body (1) and the second body being adapted to move in response to waves relative to the first body (1). It also comprises energy transmission means (5, 6; 52, 53) coupled between the first and the second body, to transfer movement energy from the second body to at least one electric generator (8) on the first body. The first body (1) is anchored to the seabed by a tension leg (16), which is under a sufficient tension to prevent the first body (1) to move vertically because of the waves. The first body has a ballast chamber (29, 30), which is situated below the lowest level of the water.

L'invention porte sur un appareil pour la génération d'énergie à partir des vagues comprenant un premier corps flottant longitudinal (1) qui flotte dans une position sensiblement verticale dans une masse d'eau. Le dispositif comprend également un second corps flottant (2), qui encercle le premier corps (1), le second corps étant conçu pour se déplacer en réponse à des vagues par rapport au premier corps (1). Ce dispositif comprend également des moyens de transmission d'énergie (5, 6 ; 52, 53) couplés entre le premier et le second corps, pour transférer l'énergie cinétique du second corps à au moins un générateur électrique (8) sur le premier corps. Le premier corps (1) est ancré au plancher océanique par une ligne tendue (16), qui est sous une tension suffisante pour empêcher le premier corps (1) de se déplacer verticalement en raison des vagues. Le premier corps a une chambre de ballast (29, 30) qui est située au-dessous du niveau le plus faible de l'eau.

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