Wave-powered, reciprocating hose peristaltic pump

F - Mech Eng,Light,Heat,Weapons – 03 – B

Patent

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Details

F03B 13/14 (2006.01) F04B 43/12 (2006.01)

Patent

CA 2722528

A wave-powered peristaltic hose pump, typically in-stalled in a body of fluid upon which waves occur. It is character-ized by a peristaltic hose which is reciprocally drawn through one or more anchored compression pulley blocks by opposing buoyant members reacting to undulating wave action. Occlusion of the hose by the compression pulley block causes a reciprocating inflow and outflow of water which is converted to a one~ way outflow by a set of valves. When tensile loads are beyond the capabilities of the the peristaltic hose itself, it is installed within a low-stretch, flexible support means linked to the opposing buoyant members in a manner which minimizes tensile loading of the peristaltic hose. The appara-tus is employed to deliver a flow of pressurized seawater to power driven devices or processes such as but not limited to desalinators, electricity generators, hydraulic motors and hydrogen fuel genera-tors.

L'invention concerne une pompe péristaltique houlomotrice à tuyau souple, typiquement installée dans une masse de liquide sur lequel se produisent des vagues. Elle est caractérisée par un tuyau souple péristaltique qui est entraîné en mouvement alternatif à travers un ou plusieurs blocs-poulies de compression ancrés, par des organes de flottabilité opposés réagissant à l'action ondulatoire des vagues. L'occlusion du tuyau souple par le bloc-poulies de compression provoque une aspiration et un refoulement alternés d'eau, qui sont convertis en un refoulement unidirectionnel par un ensemble de clapets. Lorsque les charges de traction dépassent les capacités du tuyau souple péristaltique lui-même, il est installé à l'intérieur d'un moyen de support souple à faible allongement, lié aux organes de flottabilité opposés de manière à minimiser le chargement en traction du tuyau souple péristaltique. L'appareil est employé pour délivrer un écoulement d'eau de mer sous pression à des dispositifs ou à des processus récepteurs de puissance qui incluent, de façon non limitative, des dessaleurs, des générateurs électriques, des moteurs hydrauliques et des générateurs d'hydrogène combustible.

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