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AssigneeCytiva Sweden AB
InventorsAndreas Lundin, Klaus Gebauer, Mats Lundkvist, Per Normann
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Liquid actuated pump 100, 200, 300, 400 for a bioprocessing system, the pump 100, 200, 300, 400 comprising: a pump chamber 130, 230, 330; a flexible diaphragm 132 configured to form a barrier between a control liquid portion 136 of the pump chamber 130, 230, 330 and a process fluid portion 134 of the pump chamber 130, 230, 330; a process fluid flow path 110, 210, 310 comprising the process fluid portion 134 of the pump chamber 130, 230, 330; and a control liquid flow path 120, 220 comprising: an inlet 122 to the pump 100, 200, 300, 400; an outlet 124 from the pump 100, 200, 300, 400; and the control liquid portion 136 of the pump chamber 130, 230, 330; wherein the control liquid flow path 120, 220 is configured to accommodate at least part of a trapped volume of control liquid, and wherein displacement of the trapped volume of control liquid causes deformation of the flexible diaphragm 132, the deformation of the flexible diaphragm 132 causing movement of a process fluid in the process fluid flow path 110, 210, 310.
A liquid actuated pump (100, 200, 300, 400) for a bioprocessing system, the pump (100, 200, 300, 400) comprising:
A pump unit (150, 250, 350) for a bioprocessing system, the pump unit comprising:
A method of pumping a process fluid in a bioprocessing system, the method comprising:
A thermoplastic elastomer (TPE) for use as a flexible diaphragm (132), said TPE comprising:
458) to deform the flexible diaphragm (132) and cause movement of a process fluid in a process fluid flow path (110, 210, 310) comprising the process fluid portion (134) of the pump chamber (130, 230, 330).
Dependencies are inferred from the claim text.