Agitation device

Details Agitation device Agitation device

B - Operations, Transporting

01

F

B01F 11/00 (2006.01) B01F 13/10 (2006.01) B01F 15/00 (2006.01)

Patent

CA 2338284

An agitator (102, 802, 902) capable of generating complex mixing motions is described. The agitator includes a movable assembly (104) that is suspended, via several resilient supports (128), from a frame (130). The movable assembly receives a vessel containing a material(s) to be agitated. The movable assembly includes spaced upper (106) and lower (112) plates having a rotatably- supported member (118) disposed therebetween. The mass of the rotatably- supported member is asymmetrically distributed about its rotational axis. A drive means (136), such as a directed air flow, causes the rotatably-supported member to rotate. Due to the asymmetric mass distribution of the rotatably- supported member, force is non-uniformly applied to resilient supports such that, at any given time, some of such resilient supports are subjected to a compressive force while other resilient supports are placed under tension. The movable assembly is placed in orbital motion and agitates the material(s) within the vessel disposed thereon.

L'invention concerne un agitateur (102, 802, 902) capable de générer des mouvements complexes visant à mélanger un ou plusieurs matériaux. L'agitateur comprend un ensemble mobile (104) suspendu, via plusieurs supports résilients (128), sur un châssis (130). L'ensemble mobile, qui reçoit une cuve contenant un ou plusieurs matériaux à mélanger, comprend une plaque supérieure (106) et une plaque inférieure (112) disposées à distance l'une de l'autre et séparées par un élément monté rotatif (118). La masse dudit élément est répartie de façon asymétrique autour de son axe de rotation. Un système d'entraînement (136), tel qu'un flux d'air dirigé, fait tourner l'élément. Du fait de la répartition asymétrique de la masse de l'élément rotatif, la force s'applique d'une manière non uniforme sur les supports résilients, de façon qu'à chaque instant, certains de ces supports sont soumis à une force de compression tandis que les autres sont sous tension. L'ensemble mobile, placé en mouvement orbital, mélange le ou les matériaux à l'intérieur de la cuve qu'il supporte.

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