The invention relates to a device (1) for attenuating an ocean gravity wave, the device being installed in a marine environment and comprising - at least one member (6) which is rotatably movable about an axis (A) and capable of being alternately rotated in two opposite directions of rotation by the effect of the gravity wave, attenuation means (20) capable of slowing down the rotation of the movable member (6) about the axis thereof (A), at least one porous member (16) located downstream of the movable member (6) in the general direction of propagation (D) of the gravity wave, the porous member (16) allowing seawater to be circulated through the porous member (16).
F03B 13/18 - Adaptations of machines or engines for special useCombinations of machines or engines with driving or driven apparatusPower stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member and another member wherein the other member is fixed, at least at one point, with respect to the sea bed or shore
The invention relates to a device which includes: a marine current turbine (14) and/or a wind turbine (8) and/or coupling means for electromagnetically, electrically or mechanically coupling the marine current turbine and/or the wind turbine to at least one pump, and a wave-energy device (5) including: a receptacle which oscillates, when exposed to said movements, about a vertical shaft, which includes at least one peripheral compartment located around a central compartment, placed in fluid communication with same and which the pump supplies with liquid taken from elsewhere, and which contains said liquid which, with the oscillations of the receptacle, flows via the central compartment; and at least one first turbine arranged in the central compartment and coupled with an alternator connected to an electric power supply line of a facility that is external to the device and located remotely.
F03B 13/22 - Adaptations of machines or engines for special useCombinations of machines or engines with driving or driven apparatusPower stations or aggregates characterised by using wave or tide energy using wave energy using the flow of water resulting from wave movements, e.g. to drive a hydraulic motor or turbine
F03D 9/00 - Adaptations of wind motors for special useCombinations of wind motors with apparatus driven therebyWind motors specially adapted for installation in particular locations
The present invention relates to an energy recovery device including a central compartment (11) in which a turbine (313) is arranged and which is positioned between at least first and second compartments (123, 127). Liquid flows between the compartments via side valve systems (14…17) and a central throttling channel (18). One specific feature is that an adjustable stopper (13) is arranged substantially at the throttling channel. The device may consist of a second turbine that controls head losses and makes it possible to feed the main turbine (313) located above, in the vortex.
F03B 13/22 - Adaptations of machines or engines for special useCombinations of machines or engines with driving or driven apparatusPower stations or aggregates characterised by using wave or tide energy using wave energy using the flow of water resulting from wave movements, e.g. to drive a hydraulic motor or turbine
F03B 13/14 - Adaptations of machines or engines for special useCombinations of machines or engines with driving or driven apparatusPower stations or aggregates characterised by using wave or tide energy using wave energy
F03G 7/08 - Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for recovering energy derived from swinging, rolling, pitching, or like movements, e.g. from the vibrations of a machine
F03B 13/16 - Adaptations of machines or engines for special useCombinations of machines or engines with driving or driven apparatusPower stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member and another member
The invention relates to a device for recovering energy from a moving fluid, comprising at least one first turbine (1) and at least one second turbine (21, 22), each mounted between a first guiding element (13, 231, 232) and a second guiding element (14, 241, 242), said guiding elements being shifted in relation to one another in a first direction (Z) that is perpendicular to the direction (F) of flow of the fluid, each of said guiding elements being generally streamlined in shape. The second turbine is shifted in relation to the first turbine in a second horizontal direction (X) that is parallel to the direction of flow, and in the first direction (Z) such that the first or the second guiding element of the first turbine is positioned in the first direction (Z) between the two guiding elements (23, 24) of the second turbine.
F03D 1/02 - Wind motors with rotation axis substantially parallel to the air flow entering the rotor having a plurality of rotors
F03D 1/04 - Wind motors with rotation axis substantially parallel to the air flow entering the rotor having stationary wind-guiding means, e.g. with shrouds or channels
F03D 3/02 - Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor having a plurality of rotors
F03D 3/04 - Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor having stationary wind-guiding means, e.g. with shrouds or channels
F03B 17/06 - Other machines or engines using liquid flow, e.g. of swinging-flap type
The present invention relates to a device for recuperating the energy of movement, such as wave movement, comprising: a container (1) containing a fluid (F) able to flow between at least first and second compartments (123, 127), a central compartment (11) through which the fluid passes and in which a turbine (13) is positioned, a first system of valve gates (14, 17) for transferring fluid from the first compartment to the upper portion of the central compartment and from the lower portion of the central compartment to the second compartment when the potential energy of the fluid in the first compartment is greater than the potential energy of the fluid in the second compartment, and a second system of valve gates (16, 15) for transferring fluid from the second compartment to the upper portion of the central compartment and from the lower portion of the central compartment to the first compartment when the potential energy of the fluid in the second compartment is greater than the potential energy of the fluid in the first compartment.
F03B 13/12 - Adaptations of machines or engines for special useCombinations of machines or engines with driving or driven apparatusPower stations or aggregates characterised by using wave or tide energy
B63H 19/02 - Marine propulsion not otherwise provided for by using energy derived from movement of ambient water, e.g. from rolling or pitching of vessels
F03B 13/14 - Adaptations of machines or engines for special useCombinations of machines or engines with driving or driven apparatusPower stations or aggregates characterised by using wave or tide energy using wave energy
F03B 13/22 - Adaptations of machines or engines for special useCombinations of machines or engines with driving or driven apparatusPower stations or aggregates characterised by using wave or tide energy using wave energy using the flow of water resulting from wave movements, e.g. to drive a hydraulic motor or turbine
F03G 7/00 - Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
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