A completely submerged wave energy converter

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

Patent

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Details

F03B 13/20 (2006.01)

Patent

CA 2670311

A wave energy converter apparatus comprising at least two members (1, 2) mutually connected by connection means (4) movable for allowing the mutual displacement of the members (1, 2) in response to the waves in the water where the apparatus is placed, the apparatus further comprising energy conversion means (6) for converting the motion of the connection means (4) into electric energy, and means for storing and/or transporting elsewhere the energy produced, the apparatus being characterized in that the members (1, 2) are non-floating, completely submerged members making the apparatus, taken as a whole, neutrally buoyant, means being provided for keeping the position of each one of said submerged members substantially at rest with respect to the surrounding water with which they are in direct contact, so that the members (1, 2) will move under the wave action substantially in the same way as an undisturbed water particle placed in the same region, the at least two submerged members (1, 2) being mutually spaced by the connection means (4) so as to assume respective positions affected differently by the water motion induced by the waves.

La présente invention concerne un convertisseur d'énergie marémotrice constitué d'au moins deux membres (1, 2) mutuellement reliés par des moyens de connexion (4) mobiles de manière à permettre le déplacement mutuel des membres (1, 2) en réaction aux vagues du milieu marin dans lequel l'appareil est placé. L'appareil comprend également des moyens de conversion d'énergie (6) destinés à convertir le mouvement des moyens de connexion (4) en énergie électrique ainsi que des moyens de stockage et/ou de transport de l'énergie produite, l'appareil étant caractérisé par le fait que les membres (1, 2) sont non flottants, totalement immergés et font de l'ensemble un élément flottant neutre. Il existe des moyens destinés à maintenir la position de chacun desdits membres immergés sensiblement au repos par rapport à l'eau du milieu ambiant avec laquelle ils sont en contact de sorte que les membres (1, 2) bougeront sous l'action de la vague principalement de la même manière qu'une particule d'eau tranquille placée dans la même région, les deux (au moins) membres immergés (1, 2) étant respectivement séparés par des moyens de connexion (4) de manière à occuper les positions respectives qui leur ont été affectées en fonction du mouvement de l'eau induit par les vagues.

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