F - Mech Eng,Light,Heat,Weapons – 04 – C
Patent
F - Mech Eng,Light,Heat,Weapons
04
C
F04C 2/08 (2006.01) F04C 2/107 (2006.01)
Patent
CA 2585300
The combination pump is a novel pumping system for fluids (liquids, gases) and for multiple-phase mixtures. This combination pump (7) comprises a helical rotor (2) on which a rotodynamic impeller (8) is mounted. The assembly consisting of the helical rotor (2) and impeller (8) turn without touching inside a helical stator (3), and this helical rotor (2)/impeller (8) assembly and stator (3) are arranged so that the cavities (4) formed move from the suction (5) toward the discharge (6). The invention is characterized by the fact that the pump (7) configured according to the invention guarantees, via the rotodynamic impeller (8), the means provided for forming a pressurized fluid layer between the helical rotor (2)/impeller (8) assembly and the stator (3) under conditions capable of improving the performances and the reliability of the pump (7).
La Pompe Mixte est un nouveau système de pompage pour les fluides (liquides, gaz) et les mélanges polyphasiques. Cette Pompe Mixte (7) comporte un rotor hélicoïdal (2) sur lequel on installe un impulseur roto-dynamique (8), l~ensemble rotor (2)-impulseur (8) tournant sans contact à l~intérieur d~un stator hélicoïdal (3), ledit ensemble rotor (2)-impulseur (8) et ledit stator (3) étant disposés de telle sorte que les cavités (4) formées se déplacent de l~aspiration (5) vers le refoulement (6), est caractérisée par le fait que la pompe (7), agencée conformément à l~invention, assure par l~intermédiaire de l~impulseur roto-dynamique (8) les moyens prévus pour former une couche fluide sous pression entre ledit ensemble rotor (2)-impulseur (8) et ledit stator(3), dans des conditions capables d~améliorer les performances et la fiabilité de la pompe (7).
Bratu Christian
Robic
LandOfFree
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