A wave-power unit, and a use of a such

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

Patent

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Details

F03B 13/18 (2006.01) H02K 35/00 (2006.01)

Patent

CA 2734602

The invention relates to a wave-power unit for the production of electric power. It comprises a floating body ar-ranged for floating on the sea and an electric linear generator with a stator (5) and a reciprocating translator (6). The stator (5) is arranged to be anchored in the bed of a sea and the translator (6) is connected to the floating body by connection means, The translator (6) is journalled in a plurality of roiling elements (15) such that a circumferential gap (14) is formed between the stator and the translator. According to the invention each rolling element (15) has an elasticity that is low enough to meet the condition that a change in the width (d) of the gap results in a change in the total force from the roiling elements (15) that is larger than the total magnet forces on the translator resulting from the change in width (d). The invention also relates to a use of the invented wave-power unit.

L'invention concerne une centrale houlomotrice pour la production d'énergie électrique. Elle comprend un corps flottant disposé pour flotter sur la mer et un générateur linéaire électrique équipé d'un stator (5) et d'un translateur en va-et-vient (6). Le stator (5) est agencé pour être fixé au fond de la mer et le translateur (6) est raccordé au corps flottant par un moyen de raccordement. Le translateur (6) est mis en mouvement sur une pluralité d'éléments rouleau (15) de sorte qu'un espace circonférentiel (14) est formé entre le stator et le translateur. Selon l'invention, chaque élément rouleau (15) a une élasticité suffisamment faible pour satisfaire à la condition selon laquelle une modification de la largeur (d) de l'espace entraîne une modification de la force totale des éléments rouleau (15) laquelles est supérieure aux forces magnétiques totales sur le translateur résultant du changement en largeur (d). L'invention concerne également l'utilisation de la centrale houlomotrice selon l'invention.

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