Multiple cavity reciprocating positive displacement fluid pump
AssigneeCytiva Sweden AB
InventorsAndreas Torbjorn Lundin, Klas Marteleur, Mats Lundkvist, Andreas Marcstrom, David Gronowitz
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Abstract
A multiple cavity reciprocating positive displacement pump comprising plural pump cavities each including at least one pair of one-way valves the at least one pair including an inlet valve and an outlet valve, the pump being characterised in that respective inlet valves are in fluid communication with a common inlet and respective outlet valves are in fluid communication with a common outlet. The multiple cavities may include diaphragm arranged in a radial configuration for more uniform pressure output.
Claims14
A multiple cavity reciprocating positive displacement fluid pump configured for a bioprocessing system comprising a pump body including plural pump cavities each including at least one cooperating pair of one-way valves, each at least one pair including an inlet valve and an outlet valve, wherein respective inlet valves are in fluid communication with a common inlet and respective outlet valves are in fluid communication with a common outlet the pump being characterised in that wherein said plural pump cavities are arranged about a pump axis and around said common inlet and outlet, wherein a respective inlet valve of the at least one cooperating pair of one-way valves and a respective outlet valve of the at least one cooperating pair of one-way valves comprises a cup shaped cavity valve, and wherein said at least one cup shaped cavity valve is formed by a respective elastomeric cup the plural pump cavities include respective movable diaphragms to provide said fluid displacement, wherein the common inlet is on the same side of the pump as the common outlet, with the common outlet being formed inside of the common inlet for part of a length thereof before bifurcating into the common inlet and the common outlet.
Dependencies are inferred from the claim text.