Device for converting kinetic energy of a flowing water into...

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

Patent

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Details

F03B 13/26 (2006.01) F03B 13/14 (2006.01) F03B 13/18 (2006.01)

Patent

CA 2699165

The invention relates to a device for converting kinetic energy of a flowing water into kinetic energy of a rotatable rotor shaft, wherein the device is adapted to be effective in a first flow direction and a second flow direction substantially opposite to the first, wherein the device comprises two rotor blades each connected to a blade shaft coupled to the rotor shaft for transfer of a torque relative to the rotor shaft, wherein the blades are each rigidly connected to their blade shaft, the blade shafts are mounted for rotation about their own axis relative to the rotor shaft, the blade shafts are coupled to each other for rotation in the same rotation direction and the rotor blades each have an asymmetrical cross-section. There is hereby always flow against the asymmetrical rotor blades from the same direction relative to the blade during the energy conversion process, so that the profile of the rotor blades can be optimized for this flow direction.

L'invention concerne un dispositif de conversion d'énergie cinétique de l'eau en mouvement en énergie cinétique d'un arbre de rotor rotatif, le dispositif étant conçu pour être efficace dans un premier sens d'écoulement et dans un second sens d'écoulement sensiblement opposé au premier, le dispositif comprenant deux pales de rotor chacune reliée à un arbre à pales accouplé à l'arbre de rotor pour le transfert d'un couple relativement à l'arbre de rotor, les pales étant chacune rigidement reliées à leur arbre à pales, les arbres à pales étant montés de manière à tourner autour de leur propre axe relativement à l'arbre de rotor, les arbres à pales étant accouplés les uns aux autres de manière à tourner dans le même sens de rotation et les pales de rotor présentant chacune une section asymétrique. Un écoulement contre les pales de rotor asymétriques existe ainsi toujours dans le même sens relativement à la pale au cours du processus de conversion d'énergie, de sorte que le profil des pales de rotor peut être optimisé pour ledit sens d'écoulement.

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