F - Mech Eng,Light,Heat,Weapons – 01 – D
Patent
F - Mech Eng,Light,Heat,Weapons
01
D
F01D 5/14 (2006.01) F01D 5/04 (2006.01)
Patent
CA 2207140
The invention concerns a radial turbine wheel comprising: a wheel body (2) of a generally truncated conical or equivalent shape, having a small base (3), a large base (4), and a lateral surface (5); and blades (6) emerging radially from the lateral surface (5) of said wheel body (2). According to the invention, the wheel comprises: an axial extension (7) from the small base (3) of the wheel body (2) extending beyond a transversal plane (8) of the end of the blades (6); at least one part of the lateral surface (5) made up of an axial run-out (9); and an axial hub (10); said part of lateral surface (5) made up of an axial run-out (9) and said axial hub (10) defining an annular axial groove (11) from the large base (4) of the turbine wheel.
L'invention concerne une roue de turbine radiale comprenant : un corps de roue (2) de forme générale tronconique ou équivalente ayant une petite base (3), une grande base (4), et une surface latérale (5); et des aubes (6) émergeant radialement de la surface latérale (5) dudit corps de roue (2); selon l'invention, la roue comprend : un prolongement axial (7) de la petite base (3) du corps de roue (2) s'étendant au-delà d'un plan transversal (8) de fin des aubes (6); au moins une partie de la surface latérale (5) constituée par un voile (9); et un moyeu axial (10); ladite partie de la surface latérale (5) constituée par un voile (9) et ledit moyeu axial (10) définissant un évidement annulaire axial (11) de la grande base (4) de la roue de turbine.
Alcatel
Alcatel Alsthom Compagnie Generale D'electricite
Robic
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