Wave-powered prime mover

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

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Details

F03B 13/18 (2006.01) B01D 61/10 (2006.01)

Patent

CA 2312852

A wave-powered prime mover comprises a pair of pontoons (2, 3) connected to a central inertial barge (1), each pontoon (2, 3) being pivotally movable by ocean swell or waves relative to the barge (1). A pump (10) connected between each pontoon (2, 3) and the barge (1) converts the motion of the pontoon (2, 3) into water pressure energy. An improved power take-off and damping mechanism is provided for transforming incoming power, oscillating at a low frequency, into a higher frequency oscillating form for use in a generator, turbine, reverse osmosis plant or the like. A hydraulic circuit (10, 32, 34, 35, 37, 39) is used to rectify the incoming power into a uni-directional form for delivery as a continuous flow of pressurised water for doing work such as that described above.

Un générateur de force motrice alimenté par les vagues comprend une paire de pontons (2, 3) reliés à une barge inertielle centrale (1), chaque ponton (2, 3) étant mobile sous l'effet de la houle ou des vagues de l'océan par rapport à la barge (1). Une pompe (10) reliée entre chaque ponton (2, 3) et la barge (1) convertit le mouvement du ponton (2, 3) en une énergie de pression hydraulique. Un mécanisme extracteur et amortisseur d'énergie est prévu pour transformer l'énergie rentrante, oscillant à basse fréquence, en une forme d'oscillation de fréquence supérieure destinée à être utilisée dans un générateur, une turbine, une installation d'osmose inverse ou analogue. Un circuit hydraulique (10, 32, 34, 35, 37, 39) est utilisé pour corriger l'énergie entrante en une forme unidirectionnelle destinée à être délivrée sous la forme d'un flux continu d'eau sous pression destinée à produire un travail tel que celui décrit ci-dessus.

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