F - Mech Eng,Light,Heat,Weapons – 03 – B
Patent
F - Mech Eng,Light,Heat,Weapons
03
B
F03B 13/10 (2006.01) F03B 3/12 (2006.01) F03B 17/06 (2006.01)
Patent
CA 2657556
In a hydroelectric turbine having a rotor disposed within a stator housing, the rotor having an annular outer rim received by a channel in the stator housing, the improvement comprising a buoyant rotor, the rotor preferably having buoyancy chambers disposed within the rotor. The buoyancy chambers may be disposed within the annular outer rim, the blades or an annular inner rim, or combinations thereof. Preferably, the buoyancy chambers are filled with a material having a specific gravity of one or less, and most preferably the filler material is a polymer foam that adds rigidity to the rotor.
L'invention concerne une turbine hydroélectrique dotée d'un rotor disposé dans un logement de stator, le rotor possédant un rebord externe annulaire reçu dans un canal du logement de stator, l'amélioration de l'invention concernant un rotor flottant, le rotor contenant de préférence des chambres de flottaison. Les chambres de flottaison peuvent être disposées dans le rebord externe annulaire, les pales ou un rebord interne annulaire, ou des combinaisons de ces éléments. De préférence, les chambres de flottaison sont remplies d'un matériau possédant un poids volumique supérieur ou égal à un, et plus préférablement la matière de remplissage est une mousse polymère ajoutant une certaine rigidité au rotor.
Blake Cassels & Graydon Llp
Openhydro Group Limited
LandOfFree
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