Resumen de: WO2020001932A1

The invention relates to a floating body (200) for supporting a wind turbine (100) of a floating offshore wind farm (300). The floating body (200) comprises a stabilising body for arranging below a surface of the water (50) and for stabilising the position of the floating body (200) in the water. The stabilising body comprises at least one component (410, 420, 430) of a device for connecting the offshore wind farm (300) to a network. The at least one component (410, 420, 430) is encapsulated in a seawater-tight manner.

Resumen de: WO2020002160A1

The invention relates to a floating support structure (10) for a wind turbine (100) which is designed with a view to reducing outlay on manufacturing and materials for floating support structures for wind turbines, and is developed with a central main buoyancy body (12) and a plurality of secondary buoyancy bodies (14) arranged at the corners of a polygon around the main buoyancy body (12), wherein the secondary buoyancy bodies (14) are each connected to the main buoyancy body (12) by means of a strut (18) extending, particularly in a straight line, from the secondary buoyancy bodies (14) to the main buoyancy body (12), and wherein the secondary buoyancy bodies (14) are coupled to one another by means of a tension means (20), which connects adjacent secondary buoyancy bodies (14) to each other, in such a manner that the secondary buoyancy bodies (14) are tensioned against the main buoyancy body (12). The invention also relates to a wind turbine (100) having a floating support structure (10) of this kind.

Resumen de: US2020003183A1

It is a general object of the present invention to provide a new and less expensive method of creating a horizontal axis wind turbine for electrical power generation. This approach is based on a tensioned support ring in the shape of a regular polygon. This support ring is well suited to the construction of large wind turbines because it is very light, strong, and cost efficient to create. Also provided are two types of rotor supporting tower structures including a wheeled version for land use and another that floats on water. Additionally, a method of using the support ring to generate electrical power from underwater currents. Further provided is a rope drive method of transmitting energy from the support ring to a generator below. Finally, two methods of controlling blade pitch. Both methods have similar automatic feathering systems to protect against excessive rotational speeds.

Resumen de: WO2019243152A1

A method for operating at least two floating offshore wind turbines (1) is disclosed. The wind turbines (1) are operated at respective first operating positions (7), and a previous and/or a future expected wear impact on each wind turbine (1) is estimated. At least one wind turbine (1) to be relocated to a respective second operating position (9) is identified, based on the estimated wear impact. The identified wind turbines (1) are moved to respective second operating position (9) and operated there.

Resumen de: WO2019246128A1

A floating heat pump system including a superstructure supporting a wind turbine and at least one electric generator mechanically connected to the wind turbine. Wind-induced rotation of the wind turbine causes the electric generator to generate electricity. The generated electricity may be supplied to a power grid, or a portion of the generated electricity may be used to power a heat pump also supported at least in part by the superstructure to extract heat from the ocean or another large body of water. The heat may be stored in transportable thermal storage medium. Heat stored in the thermal storage media may be used at the system or remotely for regional or district heating and cooling, industrial purposes, or to generate electricity.

Resumen de: EP3584373A1

The invention relates to a maritime structure for laying the foundations of buildings, installations or wind turbines by means of gravity in a marine environment, which has significant advantages for constructing, transporting, positioning and operating same, owing to the novel features introduced into the design thereof in comparison with existing types. The structure comprises a base in the shape of a chamfered equilateral triangle, having a sufficient height to optimise navigability, the base being formed by a frame of vertical walls that form hexagonal or triangular cells closed at the ends by a lower slab and an upper slab, and three closed towers having a regular hexagonal or circular cross section which are located in the corners of the base. The structure can be towed, completely installed, with a wind turbine or superstructure that same supports, and has low initial draft, high naval stability and low resistance to movement. The anchoring process is performed by using gravity to ballast the cells with seawater, without needing any additional means, auxiliary large-capacity vessels or floating elements external to the structure itself. The structure can be positioned as a gravity foundation at a depth of 20 to 50 meters and can be re-floated to be transferred whole again to a port for dismantling.

Resumen de: WO2019238437A1

The invention relates to a wind turbine (100) having a rotor (102) which can rotate about a vertical axis of rotation (104) having a rotary hub (3) and a plurality of rotor blades arranged along an outer circumference of the rotor (102), which blades each have a lower section (4) and an upper section (5) mounted on an upper distal end of the lower section (4). Lower proximal ends of the lower sections (4) of the rotor blades are each fastened to the rotating hub (3). According to the invention, in order to form a particularly stable and lightweight platform for the rotor (102) and the rotor blades, it is proposed that the lower sections (4) of the rotor blades form, together with the hub (3), with span wires (7) and with stiffening wires (8), an inverse pyramid, wherein the span wires (7) connect first mounting points (6) in the region of the distal ends of the lower sections (4) to each other and the stiffening wires (8) connect the first mounting points (6) to the hub (3).

Resumen de: WO2019240570A2

The invention is directed to a Delivery vessel comprising a support (1a) for a wind turbine tower (3), which support (1a) has an upper end (1c) and lower end (1d) corresponding to the upper end (3c) and lower end (3d) of the supported wind turbine tower (3), a submersible part (5) rotatably connected along a substantially horizontal axis (7) to the lower end (1d) of the support (1a) and a separate floating part (12) which floating part (12) is slidable connected to the support (1a), means (8a) suited to reduce the distance between the floating part (12) and the submersible part (5) and wherein the vessel is provided with fixing means (5a) allowing the submersible part (5) of the vessel to the sea bed (16).

Resumen de: EP3581793A1

The present invention relates to a wind power generation system using a jet stream. The wind power generation system is implemented to include a flight vehicle configured to produce power through wind power generation while floating in the air and autonomously flying without a winch and configured to transmit the produced power to the ground, and a ground reception unit configured to receive a power signal transmitted from the flight vehicle and convert the power signal to electricity, wherein the flight vehicle enters a power generation location or escapes from the power generation location through buoyancy adjustment, the flight vehicle produces power through wind power generation while staying at the top of the troposphere or in the vicinity of the stratosphere where the jet stream is generated, and the flight vehicle includes a propeller configured to rotate in one direction due to the jet stream, a power generator configured to produce power by converting mechanical energy due to a rotational force of the propeller to electrical energy, a power generation control unit configured to control entry or escape into or from the power generation location, a buoyancy adjustment unit configured to increase or decrease buoyancy according to control of the power generation control unit, a laser conversion unit configured to convert power produced by the power generator to a laser, and a laser shooting unit configured to transmit the laser converted by the laser conversion unit to t

Resumen de: WO2019234490A1

Method by means of which a wind turbine (100) which floats on a body of water, and has a gas-filled float (110a, 110b, 110c), is lowered from a transporting position into an operating position, characterized by the following steps: a) flooding the float (110a, 110b, 110c) with water from the body of water, b) sensing the hydrostatic external pressure acting on the float (110a, 110b, 110c), and c) generating within the float (110a, 110b, 110c) a pneumatic internal pressure which counteracts the hydrostatic external pressure sensed.

Resumen de: WO2019234489A1

Floating platform (100) for fastening a floating wind turbine (300) on a bed of a body of water by means of a mooring buoy (200) which is anchored on the bed of the body of water, wherein the floating wind turbine (300) has a cavity which opens in the direction of the bed of the body of water and is intended for accommodating the mooring buoy (200), characterized by a positioning means (110) for positioning the floating wind turbine (300) in a predetermined position relative to the floating platform (100), and by an actuator (120) for lowering the mooring buoy (200) to a level beneath the platform (100) and for inserting the mooring buoy (200) into the cavity of the floating wind turbine (300) by raising the mooring buoy (200).

Resumen de: US2019367136A1

A floating device for supporting an offshore wind turbine, comprising a central floating pillar for fixedly receiving a tower of the wind turbine, at least three peripheral floaters, and one leg per floater, each leg extending in a longitudinal direction that runs radially in relation to the central pillar; each leg has a proximal end that is secured to the central pillar, and a distal end that is secured to the floater; the legs include an outer tubular element, which extends in the longitudinal direction of the leg and has a curved cross-section perpendicularly to the longitudinal direction, and an inner tubular element, which extends in the longitudinal direction of the leg and has a polygonal cross-section perpendicularly to the longitudinal direction, the polygonal cross-section being inscribed in the curved cross-section. The invention also relates to a floating wind turbine unit comprising the device and a wind turbine.

Resumen de: WO2019224535A1

A wind turbine for deployment offshore. The wind turbine including: a tower-float assembly having a tower (3) for supporting a nacelle (13a) and a rotor (13b), and a float (5) arranged to maintain at least part of the tower above a surface of a body of water; a keel assembly (7) including at least one keel module (25) and at least one rod (9) connecting the keel module to the tower-float assembly, wherein the at least one rod is arranged to move relative to the tower-float assembly to deploy the keel module, and the keel module is movable relative to the tower-float assembly, in response to movement of the at least one rod, between a non-deployed position proximal the tower-float assembly and a deployed position which is distal from the tower-float assembly in a downwardly direction, thereby increasing an effective length of the wind turbine; and the at least one rod is arranged to transfer bending moments to the tower-float assembly.

Resumen de: WO2019201705A1

The present invention relates to a floating wind turbine (10) comprising a floating platform (14) which supports a turbomachine comprising two vertical-axis turbines (30). The turbines are borne by a vertical median pylon (20) that is mounted so as to be able to rotate with respect to the floating platform, and by connecting members (41, 43) that connect and maintain a distance between the rotation shafts of the turbines and the pylon. The wind turbine comprises: - a single generator (70) whose axis of rotation (G) is parallel to the axes of rotation (A, A') of the turbines and is distinct from the pivoting axis of the pylon and the axes of rotation (A, A') of the turbines, and - at least one flexible link (60) that connects and synchronises the rotation of the rotation shaft of the generator and the rotation shafts of the turbines by making said flexible link move linearly in a closed-circuit path such that the rotation shaft of the generator is driven by the movement of the two turbines (30). The field of the invention is in particular that of wind turbines in the marine environment.

Resumen de: WO2019201703A1

The invention relates to a floating turbine (10) comprising a floating platform (14) on which a turbomachine comprising two vertical-axis turbines (30) stands.The turbines are carried by a vertical median tower (20) which is mounted rotatably in relation to the floating platform, and by connecting members (41, 43) connecting the rotating shafts of the turbines to the tower and maintaining them at a distance therefrom. The wind turbine comprises: a device for detecting the direction of the wind; and an actuating device (50) for active yaw control of the tower acting on the pivoting shaft of the tower, the actuating device being arranged and designed such that, in the event of activation, it moves the tower so as to position a plane (P2) containing the axes of rotation (A, A') of the first and second turbines substantially perpendicularly to the direction of the wind. The field of the invention is particularly that of wind turbines in a marine environment.

Resumen de: PH12019500045A1

The invention relates to a horizontal axis wind turbine having a rotor of radial reticular trusses formed by latticed, welded and braced, hollow, square metal bars, with aerodynamic blades at the ends thereof, and a spring that regulates power and wind thrust. The unit comprises a tautened support disposed on a base platform rotated by means of a cylinder contained within another cylinder embedded in the foundation, such as a thermal accumulator and a fixed or floating foundation. The unit further comprises a sling transmission belt for transmitting the drive torque of the rotor, which is disposed between peripheral nodes of the rotor and pulleys for receptor devices on the base platform for direct use or producing hot steam by means of multi-disc friction converters, in a closed circuit with an accumulator and thermal energy distribution, with networks of pipes for pressurised steam or the transformation said thermal energy into mechanical energy by means of endothermic turbines, as required. All of the models are similar and the materials are conventional.

Resumen de: US2019316567A1

A wind-driven power generating system with a hybrid wind turbine mounted on a floating platform that heels relative to horizontal in the presence of a prevailing wind. The hybrid turbine has a turbine rotor with at least two rotor blades, each mounted to a turbine shaft by at least one strut, and the system is configured so that the shaft forms a predetermined non-zero operating heel angle relative to vertical in the presence of a prevailing wind at a predetermined velocity. The blades and struts are airfoils with predetermined aerodynamic characteristics that generate lift forces with components in the direction of rotation around the shaft of the blades and struts at the operating heel angle to drive an electrical generator carried by the platform. The system can be designed to generate maximum power at the predetermined heel angle or essentially constant power over a range of heel angles.

Resumen de: WO2018101833A1

A method of controlling a turbine of a floating wind turbine structure to reduce fatigue of its moorings comprises curtailing the turbine based on a pitching motion of the wind turbine structure and on a wind direction at the wind turbine structure relative to the orientation of moorings of the wind turbine structure. Optionally, the curtailment may be further based on the degree of displacement of the wind turbine structure from a reference location.

Resumen de: WO2019190387A1

The present invention relates to a floating vertical axis wind turbine, VAWT, with a central column which at its lower end is connected to a mooring system. The VAWT comprises at least one rigid peripheral power generating unit comprising a blade, a peripheral buoyancy element and a water turbine assembly. The peripheral buoyancy element extends from the lower end of the blade and connects the water turbine assembly to the blade, and wherein the peripheral buoyancy element at least partly supports the rigid peripheral power generating unit by buoyancy. A bearing assembly is rotatably attached to the central column and at least one first strut connects the rigid peripheral power generating unit with the bearing assembly.

Resumen de: EP3546337A1

In a floating structure 1 with a plurality of columns 2 as vertically extending columnar buoyancy bodies and a connecting body for connecting the columns 2 horizontally deployed, an upper structure (a wind turbine) 4 is connected to an upper portion of at least one (a main column 2a) of the columns 2 and the whole is supported on water. Construction is such that buoyancy on the main column 2a becomes larger than that on each of the other columns 2 (side columns 2b).

Resumen de: SE1850355A1

The present invention relates to a floating vertical axis wind turbine, VAWT, with a central column which at its lower end is connected to a mooring system. The VAWT comprises at least one rigid peripheral power generating unit comprising a blade, a peripheral buoyancy element and a water turbine assembly. The peripheral buoyancy element extends from the lower end of the blade and connects the water turbine assembly to the blade, and wherein the peripheral buoyancy element at least partly supports the rigid peripheral power generating unit by buoyancy. A bearing assembly is rotatably attached to the central column and at least one first strut connects the rigid peripheral power generating unit with the bearing assembly.

Resumen de: CN209445613U

The utility model discloses a stirring type wind power heating solar air source heat pump water heater. The device comprises an expansion water tank, a water supplementing pipe, a heat preservation and storage bucket, a rotating rod, wind power blades, a transmission bearing, an oil bucket for stirring and heating, a stirring impeller, a solar radiation heat collector, a heat collector water outlet pipe, a heat collector water inlet pipe, a heat pump device compression condensation end, a heat pump device compression expansion evaporation end, a Freon pipeline and a hot water outlet. The inner wall of the expansion water tank is fixedly connected with a mounting cylinder, the mounting cylinder is fixedly communicated with the water supplementing pipe, the inner wall of the mounting cylinder is movably sleeved with a floating ball valve, a cavity is formed in the floating ball valve, a drainage hole is formed in the outer wall of the mounting cylinder, and the inner wall, close to the lower end, of the mounting cylinder is movably sleeved with a net plate. The floating ball valve can be effectively positioned, the problem that the floating ball valve cannot work normally due to deviation is solved, the direction of the wind blades can be adjusted according to the wind direction, and the utilization rate of wind energy is well increased.