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122
results.
Updated on
15/11/2026 [08:35:00]
Results 100 to 122 of 122
Absstract of: US20260218678A1
To provide high stability at low cost, a ring-based floatation system for a floating vertical-axis wind turbine is proposed. The system uses a buoyancy torus with a finite shell thickness, which can be sealed to prevent water from leaking inside the torus. This torus shape has an outside and inside diameter on a horizontal plane while having a circular cross-section in a vertical plane. This buoyancy torus serves as a floatation tube to provide buoyancy at a large maximum radial extent to enhance platform stability in terms of both inertia and metacentric height. The torus shape (or a similar faceted shape made of several cylindrical tubes connected in a circle) also provides high radial asymmetry and high structural robustness. This buoyancy torus supports rotating wind turbine blades which are affixed to a rotation ring, where the torus and the rotation ring have the same axis of revolution and where the blades and the rotation ring rotate about this axis of revolution. One or more electrical generators can be placed between the rotation ring and the buoyancy torus (or a foundation for an onshore wind turbine) to convert the rotational power of the blades (communicated to the rotation ring) into electrical power. This ring-based buoyancy platform can be ballasted by a variety of methods and can also be used to support offshore oil and gas drilling platforms.
Absstract of: US20260217344A1
Embodiments disclosed herein include a vessel for floating and traveling adjacent to an upper surface of a body of water. In an embodiment, the vessel comprises a support structure, a first floatation chamber coupled to the support structure, a second floatation chamber coupled to the support structure, the second floatation chamber laterally spaced apart from and fluidly coupled to the first floatation chamber, and a third floatation chamber coupled to the support structure, the third floatation chamber laterally spaced apart from the first floatation chamber and from the second floatation chamber. In an embodiment, the vessel further comprises a robot system coupled to the support structure, where the robot system comprises an end effector and a nozzle head coupled to the end effector.
Absstract of: US20260217342A1
A floatable renewable energy platform is provided and comprises a superstructure including one or more generally horizontal, above-wave structural support members. The superstructure is supported by a plurality of floats interconnected by the structural members, and the platform is configured to provide an air gap between still water surface and the structural members in the range 10 m to 30 m.
Absstract of: WO2026157078A1
A method for integrated planning and control of the dynamic stability of a floating wind turbine. In the method, an integrated planner is externally connected to a controller, so as to coordinately and dynamically adjust core control parameters of three control sub-systems, namely, a blade pitch control sub-system, a generator torque control sub-system and a nacelle yaw control sub-system; and a planner based on a nonlinear dynamic mathematical model may be used to dynamically adjust controller parameters, so as to realize comprehensive optimization of the dynamic stability objective. Without changing the architecture of an existing industrial controller of a floating wind turbine, and by means of dynamically adjusting a series of core control parameters of the industrial controller, the method realizes a comprehensive improvement in the operational dynamic stability of the floating wind turbine, suppresses the motion of a floating platform-support structure, reduces fluctuations in rotor speed and active power, and improves the operational stability and energy efficiency of the floating wind turbine, thereby having significant engineering application value.
Absstract of: WO2025061959A1
The invention describes a floating support structure (1) for supporting an off shore wind turbine comprising a first, second and third main section (10a, 10b, 10c) each comprising a horizontal part and a vertical part (12a, b, c) directly or indirectly connected to the radial end of the horizontal part and the central ends of the horizontal parts (11a, b, c) are joined in a central region thus creating a coupling space (7) underneath the horizontal parts and between the vertical parts. The floating support structure further comprises a transition piece (15) comprising a connecting flange (16) for connecting a coupling end of the wind turbine tower (101) to the support structure. The transition piece further comprises a reinforcement body (17) welded onto the first, second and third horizontal parts.
Absstract of: CN224562725U
The utility model belongs to the field of offshore wind power, and discloses a tension leg type floating fan system capable of actively changing tendons, which comprises a floating foundation, a fan, a hydraulic system and a tendon system, the fan is arranged on the floating foundation, the hydraulic system comprises a plurality of hydraulic telescopic components annularly distributed around the floating foundation, and the tendon system is arranged on the floating foundation. The hydraulic telescopic assembly is connected with the floating foundation in an up-down rotating mode, the hydraulic telescopic assembly can stretch out and draw back in the radial direction, the tendon system comprises a plurality of tendon units annularly distributed with the draught fan as the center, the upper ends of the tendon units are connected with the hydraulic telescopic assembly in a one-to-one correspondence mode, and the lower ends of the tendon units are anchored to the seabed. According to the utility model, the action of the hydraulic system is matched with the real-time monitoring of the tension monitor, so that the tension of the tendons is automatically adjusted, the fan is always kept stable under different sea conditions, and overload or structural fatigue damage is avoided.
Absstract of: WO2026153815A1
The invention relates to a method for operating an energy-generation apparatus, wherein the energy-generation apparatus comprises a ground station (28) and a kite system (23). The kite system (23) comprises a kite (14) and a nacelle (25), wherein the kite (14) is connected to the nacelle (25) via a line tree (24). The nacelle (25) is connected to the ground station (28) via a tether cable (15). Electrical energy is generated by means of a tensile force exerted by the tether cable (15), wherein the kite (14) is alternately brought into a first operating state (41) and a second operating state (42). In the second operating state (42), the trim angle (43) of the kite (14) is smaller than in the first operating state (41). In the second operating state (42), the kite (14) is drawn back towards the ground station (28) by reeling in the tether cable (15), wherein the reeling-in speed is varied depending on an operating parameter (49) of the energy-generation apparatus representing the flight state of the kite (14). The invention also relates to a control unit for an energy-generation apparatus, to an energy-generation apparatus, and to a computer program product.
Absstract of: US20260210338A1
0000 A guiding system for exchanging a wind turbine blade, which uses an internal lifting and lowering system fixed to a rotor. The guiding system comprises semi-rigid passive retaining lines that form a safe catenary or track for lowering the blades without same hitting the tower or the ground as a result of incident winds of up to 15 m/s. A clip fastened to the end part of the blade slides along the retaining lines with the horizontal movement of the blade. The catenary may optionally have intermediate points, and the tension thereof is dependent on the incident wind: the greater the wind, the greater tension. The guiding system can be used for onshore wind turbines, floating offshore wind turbines connected to a spring, and boat-assisted offshore wind turbines on the high seas.
Nº publicación: EP4778823A2 22/07/2026
Applicant:
TRIVANE LTD [GB]
Trivane Ltd
Absstract of: EP4778823A2
0001 A floating structure (1) having three buoyant bodies (3,5,7) for supporting a horizontal axis wind turbine (6) and wind turbine tower (27). The floating structure (1) is provided with a geostationary mooring system that permits it to weathervane in order to head the wind turbine (6) into the wind and has a wind turbine tower mount (29) for supporting the wind turbine tower (27). A central buoyant body (3) is located partially above water during assembly and tow out from port and is ballasted so that it is underwater when moored offshore, such that the floating structure (1) becomes a semi-submersible. The three buoyant bodies (3,5,7) are ship-shaped in form which reduces loads in the mooring system, and are made from stiffened flat plates, which are easier for many yards and fabrication shops to make, compared to cylindrical hulls.
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