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1. (CA2734520) A DEVICE FOR THE UTILISATION OF WAVE ENERGY AND A METHOD

Office : Canada
Application Number: 2734520 Application Date:
Publication Number: 2734520 Publication Date: 28.01.2010
Publication Kind : A1
Prior PCT appl.: Application Number:NL2009000152 ; Publication Number: Click to see the data
IPC:
F03B 13/18
F03B 17/06
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
03
MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
B
MACHINES OR ENGINES FOR LIQUIDS
13
Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
12
characterised by using wave or tide energy
14
using wave energy
16
using the relative movement between a wave-operated member and another member
18
wherein the other member is fixed, at least at one point, with respect to the sea bed or shore
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
03
MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
B
MACHINES OR ENGINES FOR LIQUIDS
17
Other machines or engines
06
using liquid flow, e.g. of swinging-flap type
CPC:
F03B 13/183
F05B2210/404
F05B2240/212
F05B2240/214
Y02E 10/28
Y02E 10/38
Applicants: ECOFYS INVESTMENTS B.V.
Inventors: SCHEIJGROND, PETER CORNELIS
Priority Data: 1035727 21.07.2008 NL
Title: (EN) A DEVICE FOR THE UTILISATION OF WAVE ENERGY AND A METHOD
(FR) DISPOSITIF PERMETTANT DE RECUPERER L'ENERGIE DE LA HOULE ET PROCEDE ASSOCIE
Abstract:
(EN) 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.


Also published as:
EP2310666JP2011528770US20110198849KR1020110036840NZ591237AU2009274686
WO/2010/011133