F - Mech Eng,Light,Heat,Weapons – 04 – D
Patent
F - Mech Eng,Light,Heat,Weapons
04
D
F04D 5/00 (2006.01)
Patent
CA 2306051
The invention relates to a side channel centrifugal pump with a housing forming a side channel (1). The housing surface adjacent to the side channel forms a front face (13) adjoining the impeller. The transition edge (2, 3, 7) between the side channel (1) and the front face (13) is rounded in the areas where it deviates from the circumferential direction. In the front plane, the blades (16) of the impeller have a predetermined web width in the circumferential direction. According to the invention, the radius (15) of the transition edge (7) is greater than 0.25 (sec/m) times the product of web width x blade speed where the impeller blades (16) exit from the front face (13, 14) and overlap into the area of the side channel (1). This reduces cavitation tilting and noise.
L'invention concerne une pompe à canal latéral et flux circonférentiel dotée d'un carter formant un canal latéral (1). La surface du carter, adjacente au canal latéral, constitue une face frontale (13) avoisinant la roue-hélice. Le bord de transition (2, 3, 7) entre le canal latéral (1) et la face frontale (13) est arrondi dans les zones où il s'écarte de la direction circonférentielle. Les ailettes (16) de la roue-hélice ont dans le plan frontal une largeur d'âme prédéterminée dans le sens circonférentiel. Selon l'invention, le rayon (15) du bord de transition (7) est supérieur à 0,25 (sec/m) fois le produit Largeur d'âme x Vitesse des ailettes, là où les ailettes (16) de la roue-hélice quittent la zone de la face frontale (13, 14) pour mordre sur la zone du canal latéral (1). Cela permet de réduire l'inclinaison de cavitation et le bruit.
Marks & Clerk
Sterling Fluid Systems (germany) Gmbh
LandOfFree
Side channel centrifugal pump does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Side channel centrifugal pump, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Side channel centrifugal pump will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1692489