F - Mech Eng,Light,Heat,Weapons – 03 – B
Patent
F - Mech Eng,Light,Heat,Weapons
03
B
F03B 1/02 (2006.01) F01D 5/34 (2006.01)
Patent
CA 2322999
The invention concerns a Pelton turbine wheel comprising a rim (1) and several buckets (2) distributed at the rim periphery, characterised in that it comprises at least a ring-shaped flange (5, 6) integral with the rim and provided with housings (7) for receiving the buckets. The flange is capable of absorbing at least part of the efforts transmitted by the buckets (2) to the rim (1) and forms a peripheral strip (9) at external radial zones of the housings (7). The transmission of the efforts from the buckets (2) to the wheel rim (2) is carried out without generating too considerable a concentration zone of mechanical stresses.
Roue de turbine de type Pelton comprenant une jante (1) et plusieurs augets (2) répartis à la périphérie de la jante, caractérisée en ce qu'elle comprend su moins un flasque annulaire (5, 6) solidaire de la jante et pourvu de logements (7) de réception des augets. Le flasque est apte à absorber une partie su moins des efforts transmis par les augets (2) à la jante (1) et forme une bande périphérique (9) au niveau des zones radiales externes des logements (7). La transmission des. efforts des augets (2) à la jante (1) de la roue s'effectue sans création d'une zone de concentration trop importante des contraintes mécaniques.
Finet Louis
Roman Jean-Marie
Rossi Georges
Alstom Hydro France
Alstom Power Hydro
Robic
LandOfFree
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