A device for capturing energy from a fluid flow

E - Fixed Constructions – 02 – B

Patent

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Details

E02B 9/08 (2006.01) F01D 23/00 (2006.01) F03B 13/12 (2006.01) F03B 13/22 (2006.01) F03B 13/26 (2006.01) F03B 17/06 (2006.01) F03D 5/06 (2006.01)

Patent

CA 2618533

A device (10) for capturing energy from a fluid flow is disclosed. The device (10) comprises a base (12) adapted for stationary mounting relative to the fluid flow. A member (20), having a longitudinal axis (21), is movably connected relative to the base (12) and is adapted to move relative to the base (12) towards a position in which the longitudinal axis (21) generally aligns with a vertical plane parallel to the direction of the fluid flow passing the member (20). A lift generating element (26) is connected to the member (20) and is movable relative to the direction of the fluid flow to vary a direction of lift produced by the lift generating element (26) as fluid flows therearound. The lift generated by the lift generating element (26) drives the member (20) in oscillatory motion relative to the base (12). An energy transfer mechanism is attached to the member (20) and is adapted to be driven by the oscillation of the member (20).

La présente invention concerne un dispositif (10) permettant de piéger l~énergie d~un écoulement de fluide. Le dispositif (10) comprend une base (12) adaptée au montage fixe par rapport à l~écoulement de fluide. Un élément (20), comportant un axe longitudinal (21), est raccordé de manière mobile par rapport à la base (12) et est adapté pour se déplacer par rapport à la base (12) vers une position dans laquelle l~axe longitudinal (21) s~aligne généralement sur un plan vertical parallèle à la direction de l~écoulement du fluide traversant l~élément (20). Un élément de génération de levage (26) est raccordé à l~élément (20) et peut se déplacer par rapport à la direction de l~écoulement du fluide pour faire varier la direction de levage créée par l~élément de génération de levage (26) alors que le fluide s~écoule autour. Le levage créé par l~élément de génération de levage (26) entraîne l~élément (20) dans un mouvement oscillatoire par rapport à la base (12). Un mécanisme de transfert d~énergie est fixé à l~élément (20) et est adapté pour être entraîné par l~oscillation de l~élément (20).

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