Modular system for generating electricity from moving fluid

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

Patent

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Details

F03B 13/10 (2006.01) F03B 3/00 (2006.01) F03B 11/02 (2006.01) F03B 13/12 (2006.01)

Patent

CA 2602288

A modular system for producing electricity from the channel, river, ocean or tidal water currents and wind is disclosed. The embodiments of the system comprise a set of interconnected modules. Each module contains a fluid flow energy converter positioned in a protecting housing. A converter consists of a vertical axis underwater hydro-turbine or wind turbine, connected to the electrical generator. The turbine is essentially a paddlewheel having an arrangement of attached paddles with mutually perpendicularly oriented asymmetric blades that are fixed to the poles at both ends. Such orientation of blades provides a positive feedback minimizing the blades' friction while maximizing a drag force and maximizing the turbine's efficiency. The electrical generator transforms the rotational energy of the turbine into electricity. An array of modules may be arranged side by side, thus providing versatile configurations of submersible hydroelectric or wind power systems, which are inexpensive to build, install and maintain.

L~invention concerne un système modulaire de production d~électricité à partir d~un canal, d~un fleuve, d~un océan ou de courants de marée et du vent. Les modes de réalisation du système comprennent un ensemble de modules solidarisés. Chaque module contient un convertisseur d~énergie d~écoulement de fluide positionné dans un logement de protection. Un convertisseur consiste en une turbine éolienne ou une turbine hydraulique sous-marine d~axe vertical, connectée au générateur électrique. La turbine est essentiellement une roue à palettes configurée avec des palettes fixées avec des lames asymétriques orientées perpendiculairement l~une à l~autre qui sont fixées aux pôles aux deux extrémités. Une telle orientation de lames assure un retour positif minimisant la friction des lames tout en optimisant une force de traînée et en optimisant l~efficacité de la turbine. Le générateur électrique transforme l~énergie de rotation de la turbine en électricité. Une matrice de modules peuvent être disposés côte à côte, fournissant ainsi des configurations versatiles de systèmes d~énergie éolienne ou hydroélectriques submersibles, peu coûteuses à construire, installer et maintenir.

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