High performance inducer

Details High performance inducer High performance inducer

F - Mech Eng,Light,Heat,Weapons

04

D

F04D 3/02 (2006.01)

Patent

CA 2548268

An improved high performance inducer for a pump assembly includes a set of primary blades and splitter blades to achieve a vapor-to-liquid ratio up to 1:1. Minimum back pressure is provided at the leading edge to aid in getting fluid into the blades where the vapor component of the pumped fluid is removed. A hub increases in diameter over the axial extent of the helical blades, thereby resulting in a decreasing depth of the blades between the inlet and outlet of the inducer. A substantial improvement in removing fluid from a storage reservoir is obtained resulting in a substantial savings in shipping costs.

La présente invention concerne un inducteur haute performance amélioré pour un ensemble pompe, qui comprend un groupe d'aubes primaires et d'aubes séparatrices et qui permet d'obtenir un rapport vapeur sur liquide allant jusqu'à 1:1. Une contre-pression minimale est appliquée sur le bord d'attaque afin d'aider le fluide à aller dans les aubes, où la composante vapeur du fluide pompé est extraite. Un moyeu augmente en diamètre sur l'étendue axiale des aubes hélicoïdales, ce qui résulte en une diminution de profondeur des aubes entre l'entrée et la sortie de l'inducteur. Cette invention permet d'améliorer sensiblement l'extraction d'un fluide d'un réservoir de stockage et donc de réaliser des économies substantielles sur les coûts de transport.

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