Improved wave energy converter (wec) device and system

Details Improved wave energy converter (wec) device and system Improved wave energy converter (wec) device and system

F - Mech Eng,Light,Heat,Weapons

03

C

F03C 1/00 (2006.01)

Patent

CA 2537035

A wave energy converter system comprises two floats; a first being generally flat and heaving up and down in phase with passing surface waves on a body of water, and the second being elongated and heaving up and down out of phase with the passing waves. Preferably the first float is annular with a central vertical opening therethrough, and the elongated float, with a weighted bottom end, extends vertically through the central opening of the first float. The two floats thus move out of phase with one another, thus providing a relatively large relative motion between the two floats giving rise to highly efficient energy conversion. Each float serves as a ~ground~ for the other; thus avoiding the need for anchoring the floats to the floor of the body of water.

Un système houlomotrice comprend deux flotteurs. Le premier est généralement plat et monte et descend en phase avec le passage des vagues de surface d'un plan d'eau et le second est allongé et monte et descend en décalage avec le passage des vagues. Le premier flotteur est de préférence annulaire et est traversé par une ouverture verticale centrale, et le flotteur allongé, à extrémité inférieure lestée, s'étend verticalement dans l'ouverture centrale du premier flotteur. Les deux flotteurs bougent ainsi en décalage l'un par rapport à l'autre, ce qui produit un mouvement relativement important entre les deux flotteurs et induit ainsi une conversion d'énergie élevée. Chaque flotteur sert de "base" à l'autre, ce qui supprime la nécessité d'ancrage des flotteurs au fond du plan d'eau.

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