Roller pump

专利名称：Roller pump

发明人：FRANETZKI, MANFRED, DR.-ING.,PRESTELE,

KARL, DIPL.-PHYS.,FUNKE, HELMUT

申请号：EP80102736.8申请日：19800516公开号：EP0019818A1公开日：19801210

专利附图：

摘要：Roller pump, in particular a roller pump for use as a peristaltic pump in infusionequipment, comprising drive and pump head, the pump head having at least two pumprollers which roll along a delivery hose against a rolling cheek as counter abutment, with

a defined pressure in an angular range determined in accordance with the number ofpump rollers. In known roller pumps with rolling cheeks, the risk of a return feed ofliquid cannot be ruled out. According to the invention, in addition to the rolling shape (1)proper, the rolling cheek (9, 19, 36) as counter abutments for squashing the delivery hose(8,18,35) has a run-in and run-out section (2), the said section having the effect of anextension of the squashing and expansion path as the pump rollers (6, 16, 35) are placedagainst or removed from the conveying hose (8, 18, 35). Roller pumps according to theinvention can be miniaturised, minimising energy consumption.

申请人：SIEMENS AKTIENGESELLSCHAFT

地址：Wittelsbacherplatz 2 80333 München DE

国籍：DE

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