Rotary axial peristaltic pumps and related methods

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

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F04B 43/12 (2006.01)

Patent

CA 2620561

Rotary axial peristaltic pumps, related methods and components. The rotary axial peristaltic pump generally comprises a platen having a platen surface, a tube positioned adjacent to the platen surface, cam that rotates about a rotational axis and has a cam surface that is spaced apart from the platen surface and a plurality of tube compressing fingers. The fingers move axially back and forth in sequence to sequentially compress segments or regions of the tube against the platen surface, thereby causing peristaltic movement of fluid through the tube. The fingers move back and forth on axes that are substantially parallel to the axis about which the cam rotates.

La présente invention se rapporte à des pompes péristaltiques axiales rotatives, à des procédés et à des éléments associés. La pompe péristaltique axiale rotative selon l'invention comprend d'une manière générale un plateau doté d'une surface de plateau, un tube placé de manière adjacente à la surface de plateau, une came qui tourne autour d'un axe de rotation et possède une surface de came qui se trouve à une certaine distance de la surface de plateau, et une pluralité de doigts de compression de tube. Les doigts décrivent l'un après l'autre un mouvement axial de va-et-vient, afin de comprimer de manière séquentielle des segments ou des zones du tube contre la surface de plateau, ce qui provoque le mouvement péristaltique du fluide à travers le tube. Les doigts décrivent un mouvement de va-et-vient sur des axes qui sont sensiblement parallèles à l'axe autour duquel tourne la came.

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