F - Mech Eng,Light,Heat,Weapons – 03 – B
Patent
F - Mech Eng,Light,Heat,Weapons
03
B
F03B 3/12 (2006.01)
Patent
CA 2735778
The present invention relates to a Francis runner for a hydraulic machine that comprises a belt with a rotational symmetry about a central axis of the runner, a ceiling with a rotational symmetry about the axis, and a plurality of blades (21, 22) extending between the ceiling and the belt. The runner also includes at least two elements (41, 42, 43, 61, 62, 63) partially defining at least the belt and/or the ceiling while at least one edge (231, 232, 241, 242) of a blade (21, 22) is inserted between the two elements defining the belt and/or the ceiling.
Cette roue de type Francis pour machine hydraulique, comporte une ceinture à symétrie de révolution autour d'un axe central de la roue, un plafond à symétrie de révolution autour de l'axe, et une pluralité d'aubes (2 1, 2 2) s'étendant entre le plafond et la ceinture. En outre, la roue comprend au moins deux éléments (41, 42, 43, 61, 62, 63) définissant en partie au moins la ceinture et/ou le plafond, alors qu'au moins un bord (23 1,,23 2,24 1,24 2) d'une aube (2 1,2 2) est engagé entre les deux éléments définissant la ceinture et/ou le plafond.
Bouvet Yves
Mathieu Louis
Rossi Georges
Tassy Fabrice
Alstom Hydro France
Benoit & Cote Associes Inc.
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