Ceto IP Pty Ltd.

Petru Tinc

Alan Robert Burns

Matt Keys

A buoyant actuator () for coupling wave motion to a device operable in response to wave motion in a body of water. The buoyant actuator () comprises a generally spherical body () defining an exterior surface and a hollow interior adapted to contain water received from the body of water. The exterior surface comprises a plurality of facets () which are tessellated. Typically, there are 36 facets (), of which 12 comprise generally pentagonal facets () and 24 comprise generally hexagonal facets (). The body () comprises a plurality of openings () for fluid flow between the hollow interior and the surrounding body of water. A closure configured as a flap () is provided for each opening () to block or at least inhibit fluid flow therethrough, the closure being adapted to move away from the opening to permit fluid flow therethrough in response to a predetermined fluid pressure differential imposed thereon between the hollow interior and the surrounding body of water. The exterior surface of the body () is configured to viscously couple with water surrounding the body (). The viscous coupling between the surrounding water and the exterior surface of the body () provides added effective mass to the buoyant actuator () which is additional to the physical mass of the buoyant actuator and the mass of the volume of water contained in the body.

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Ocean Reef, Australia

Petru Tinc