Fluid pump system

F - Mech Eng,Light,Heat,Weapons – 04 – D

Patent

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Details

F04D 13/06 (2006.01) F04D 29/58 (2006.01)

Patent

CA 2683740

A fluid pump system (1) comprises an electrical drive unit (2) and a rotary pump (4) comprising a rotatable shaft (6) and a drive element (8) formed from a number of impellers (9) attached to the shaft (6) for causing flow within a process fluid (7). The electrical drive unit (2) comprises an electrical stator (10) and an electrical rotor (12) attached to the shaft (6) via a coupling (13), the electrical stator (10) being disposed adjacent to the electrical rotor (12). The electrical stator (10) is disposed within a first casing (14) and the rotary pump (4) and the electrical rotor (12) are disposed within a second casing (16). The first casing (14) contains a first fluid (18) and the second casing (16) contains a second fluid (20).

L'invention concerne un système de pompe à fluide (1) comportant une unité d'entraînement électrique (2) et une pompe rotative (4) qui comporte un arbre rotatif (6) et un élément d'entraînement (8) formé d'un certain nombre d'hélices (9) fixées à l'arbre (6) pour entraîner la circulation au sein d'un fluide de traitement (7). L'unité d'entraînement électrique (2) comporte un stator électrique (10) et un rotor électrique (12) fixés à l'arbre (6) par un accouplement (13), le stator électrique (10) étant disposé adjacent au rotor électrique (12). Le stator électrique (10) est disposé à l'intérieur d'un premier carter (14) et la pompe rotative (4) et le rotor électrique (12) sont disposés à l'intérieur d'un second carter (16). Le premier carter (14) contient un premier fluide (18) et le second carter (16) contient un second fluide (20).

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