Centrifugal impeller/propeller pump system

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

Patent

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Details

F04D 29/24 (2006.01) F04D 7/04 (2006.01) F04D 29/22 (2006.01) F04D 29/42 (2006.01)

Patent

CA 2687904

A housing (14) includes a major component (16) with a planar section (18). The planar section has an aperture (20) constituting an inlet. The major component has a generally cylindrical peripheral section (26) formed with a tangential extension (32) constituting an outlet. The housing also includes a minor component (38) with a planar section (40). The planar section has an aperture (42) constituting an outlet. A tangential extension (48) is adapted to overlie the major component for creating a chamber. A rotatable assembly (56) includes an annular plate (58) with an aperture (60), spaced impeller segments (64), and a propeller with an axial bore (66) and propeller blades (68) with openings between the blades. The bore is adapted to receive a drive shaft of a motor for rotating the propeller and the annular plate and the impeller segments.

Un corps (14) comprend un élément principal (16) de section plane (18). La section plane présente une ouverture (20) constituant une entrée. L'élément principal présente une section périphérique (26) généralement cylindrique présentant une extension tangentielle (32) constituant une admission. Le corps comprend également un élément secondaire (38) de section plane (40). La section planaire présente une ouverture (42) constituant une sortie. Une extension tangentielle (48) est conçue pour recouvrir l'élément principal afin de créer une chambre. Un ensemble rotatif (56) comprend une plaque annulaire (58) présentant une ouverture (60), des segments de pales (66) espacés, ainsi qu'une hélice présentant un alésage axial (68) et des pales d'hélice (70) avec des ouvertures entre les pales. L'alésage est conçu pour recevoir un arbre d'entraînement d'un moteur destiné à entraîner en rotation l'hélice ainsi que la plaque annulaire et les segments de pales.

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