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    • 2. 发明授权
    • Linear peristaltic pump
    • 线性蠕动泵
    • US06213739B1
    • 2001-04-10
    • US09341443
    • 1999-07-09
    • Iver J. PhallenDouglas N. Vogt
    • Iver J. PhallenDouglas N. Vogt
    • F04B4308
    • F04B13/02A61M5/14228F04B43/0072F04B43/1133F04B43/1136F04B49/065F04B2201/0201F04B2201/0206F04B2201/0601F04B2203/1001F04B2205/09
    • A liquid pumping apparatus for pumping liquids, more specifically a linear peristaltic pump apparatus. The apparatus consists of a high durometer compressible elastomeric liquid flow tube (12), an infeed valve assembly (26), an outfeed valve assembly (38), an extensible and retractable actuator anvil (34) having a round surface which engages the flow tube (12) at all times, an opposed anvil (24.1) having a round surface in engagement with the flow tube at all times, the flow tube being held between the anvils (34, 24.1) in a slightly compressed state when the anvil (34) is retracted, and a control assembly (100) for causing the movable anvil to be sequentially extended and retracted to cause flow within the flow tube (12) from the infeed valve assembly (26) to the outfeed valve assembly (38). With this apparatus the lumen of the flow tube (12) to the sides of the anvils is not completely reduced to zero volume during displacement compression whereby gas embolisms do not erupt or explode when discharged. Two principal embodiments are disclosed, one having infeed and outfeed check valves which oclude the flow tube, and the other having check valves.
    • 用于泵送液体的液体泵送装置,更具体地,是线性蠕动泵装置。 该设备包括高硬度可压缩弹性体液体流动管(12),进料阀组件(26),出料阀组件(38),可伸缩和可缩回的致动器砧座(34),其具有与流动管 (12),总是具有与所述流管接合的圆形表面的相对的砧座(24.1),所述砧座(34)在所述砧座(34)处于稍微压缩状态时保持在所述砧座(34,24.1)之间, )和用于使所述可动砧被顺序地延伸和缩回从而使所述流管(12)内的流动从所述进料阀组件(26)流到所述出料阀组件(38)的控制组件(100)。 利用这种装置,流动管(12)在砧座的侧面的管腔在位移压缩期间不会完全减小到零体积,从而当排放时气体栓塞不会爆发或爆炸。 公开了两个主要实施例,一个具有进气和出料止回阀,其中包括流动管,而另一个具有止回阀。