A device for the utilisation of wave energy and a method

Details A device for the utilisation of wave energy and a method A device for the utilisation of wave energy and a method

F - Mech Eng,Light,Heat,Weapons

03

B

F03B 13/18 (2006.01) F03B 17/06 (2006.01)

Patent

CA 2734520

The invention relates to a device for the utilisation of wave energy, with an increased efficiency. Thereto, the device according to the invention comprises - a Darrieus rotor having at least two Darrieus rotor blades, wherein the Darrieus rotor has a solidity .sigma.D, and - a Wells rotor having at least two Wells rotor blades, wherein the Wells rotor has a solidity .sigma.W, wherein - the Darrieus rotor and the Wells rotor are rotatable about a common axis of rotation A, and - .sigma.W is larger than or equal to .sigma.D. The invention also relates to a method for harnessing wave en- ergy.

Linvention concerne un dispositif permettant de récupérer lénergie de la houle avec un rendement accru, qui comprend : - un rotor Darrieus à au moins deux pales de rotor Darrieus, le rotor Darrieus possédant un coefficient de plénitude sD, et un rotor Wells à au moins deux pales de rotor Wells, le rotor Wells possédant un coefficient de plénitude sW. Le rotor Darrieus et le rotor Wells sont rotatifs autour dun axe de rotation commun A, et sW est supérieur ou égal à sD. Linvention concerne également un procédé permettant de récupérer lénergie de la houle.

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