Turbine rotor and power plant

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

Patent

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F03D 1/06 (2006.01) F03D 11/00 (2006.01) F03D 11/04 (2006.01)

Patent

CA 2683743

A turbine rotor for a wind or hydropower plant or for propulsive means for a vessel where the turbine rotor comprises a generally doughnut-shaped hub. The doughnut-shaped hub is configured as a closed, hollow profile in a cross section B, and wherein the doughnut-shaped hub is formed either in the shape of a torus, the torus being circularly shaped in cross section B and the torus being ring-shaped in cross section A wherein the outer and inner circumferences of the ring are circular, or in the shape of a quasi-torus, the quasi-torus being polygonally or circularly shaped in cross section B and the torus being ring-shaped in cross section A wherein the outer and inner circumferences of the ring are polygonally or circularly shaped, on which torus or quasi-torus at least one rotor blade is provided. There is also provided a wind, hydro or tidal plant comprising the turbine rotor.

La présente invention concerne un rotor de turbine pour une centrale d'énergie éolienne ou hydraulique ou pour des moyens propulseurs pour un navire, le rotor de turbine comportant un moyeu de forme globalement annulaire. Le moyeu annulaire est configuré sous la forme d'un profilé creux fermé en coupe B, le moyeu de forme annulaire présentant soit une forme de tore, le tore étant circulaire en coupe B et le tore étant annulaire en coupe A, les circonférences extérieure et intérieure de l'anneau étant circulaires, ou de forme quasiment torique, le tore étant de forme polygonale ou circulaire en coupe B et le tore étant annulaire en coupe A, les circonférences extérieure et intérieure de l'anneau étant de forme polygonale ou circulaire, sur lequel tore ou quasi-tore au moins une aube de rotor est prévue. L'invention concerne également une centrale d'énergie éolienne, hydraulique ou marémotrice comportant la turbine de rotor.

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