F - Mech Eng,Light,Heat,Weapons – 03 – B
Patent
F - Mech Eng,Light,Heat,Weapons
03
B
F03B 3/12 (2006.01) F01D 5/04 (2006.01) F04D 29/22 (2006.01) F04D 29/24 (2006.01)
Patent
CA 2499830
The blades(1, 1') of a hydraulic machine rotor are formed in such a way that it is possible to obtain greater efficiency and enable the hydraulic machine to be operated even in partial load ranges without incurring any significant limitations. The aim of the invention is to obtain a hydraulic machine exhibiting good cavitational behavior and to produce a rotor in a manner which is as simple as possible without any limitations, using very small clearances and processing machines. In order to achieve said objectives, the sections of the incoming edge (4,4') and outgoing edge (5,5') of two adjacent rotor blades (1,1') are different.
L'invention vise à réaliser des aubes (1, 1') de roue mobile pour machine hydraulique et de leur conférer une forme telle que, d'une part elles développent un haut rendement et, d'autre part la machine hydraulique peut fonctionner sans restriction notable, même dans des plages de charge partielle. De plus, la machine hydraulique doit toujours avoir un bon comportement de cavitation et la roue mobile doit être fabriquée sur des installations d'usinage de la façon la plus simple possible, sans limitations dues à de très faibles diamètres intérieurs. A cet effet, sur la roue mobile selon l'invention, les bords d'attaque (4, 4') et/ou de fuite (5, 5') de deux aubes (1, 1') voisines ont des tracés en partie différents.
Gowling Lafleur Henderson Llp
Va Tech Hydro Gmbh & Co
LandOfFree
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