公开(公告)号：US06494693B1

公开(公告)日：2002-12-17

申请号：US09698813

申请日：2000-10-23

申请人： Bengt Sundén

发明人： Bengt Sundén

IPC分类号： F04B4308

CPC分类号： F04B43/0072 ,  F04B43/1253 ,  F05C2225/04

摘要： An improved peristaltic pump using a pumptube comprising a single tube of a relatively rigid and hard fluoroplastic material, preferably relatively rigid and hard polytetrafluoroethylene (PTFE), and a roller strap located between the pressure rollers of the peristaltic pump and the pumptube, is provided. The roller strap prevents direct contact between the pressure rollers of the peristaltic pump and the pumping section of the pumptube. The pumping section of the pumptube is formed or shaped into a flattened, oval-like shape which approximately conforms to the pumptube passageway in the peristaltic pump. The pressure rollers contact the roller strap and then compress the flattened side of the pumptube and, thereby, effecting transport or pumping of the fluid. The use of the strap prevents excessive tube expansion at the output back-pressure, thereby increasing the lifetime of the pumptube. Using the pumptubes and peristaltic pumps of this invention, corrosive, viscous, sensitive, biological, and/or high pressure fluids can be readily handled. The pumptube and peristaltic pumps of this invention are especially adapted to operate against high back- or counter-pressures.

摘要翻译： 提供一种改进的蠕动泵，其使用包括相对刚性和硬质氟塑料材料的单管的优选相对刚性和硬质聚四氟乙烯（PTFE）的单管，以及位于蠕动泵和泵管的压力辊之间的辊带。 滚子带防止蠕动泵的压力辊与泵管的泵送部分之间的直接接触。 泵管的泵送部分形成或成形为扁平的，椭圆形的形状，其近似符合蠕动泵中的泵管通道。 压力辊接触辊带，然后压缩泵管的扁平侧，从而实现流体的输送或泵送。 使用带防止输出背压过度的管膨胀，从而增加了泵管的寿命。 使用本发明的泵浦和蠕动泵，可以容易地处理腐蚀性，粘性，敏感，生物和/或高压流体。 本发明的泵管和蠕动泵特别适用于抵抗高背压或反压力。