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GEARBOX AND WIND TURBINE GENERATOR SET

Absstract of: WO2024139197A1

A gearbox, comprising: a first end cap (100), which is annular and comprises a first body (110) and a first annular portion (120) located at one side of the first body; a second end cap (200), which is arranged at one side of the first end cap, is arranged in a rotatable manner relative to the first end cap, is annular and comprises a second body (210) and a second annular portion (220) located at one side of the second body, the second annular portion and the first annular portion being located between the first body and the second body, and the second annular portion and the first annular portion being sleeved with each other and being arranged spaced apart from each other; and a sealing component (300), which abuts between the first annular portion and the second annular portion and is arranged spaced apart from the first body in a first direction (X). The first end cap further comprises a first oil discharge hole (130); and the first body, the sealing component, the first annular portion and the second annular portion are enclosed to form a first cavity (Q1) which is in communication with the first oil discharge hole, such that a sealing effect of the gearbox can be effectively improved. The present invention further relates to a wind turbine generator set comprising the gearbox.

SUPERCONDUCTING GENERATOR WITH CONDUCTION COOLING OF SUPERCONDUCTING FIELD WINDING MODULES

Absstract of: WO2025136392A1

A superconducting generator includes an armature assembly and a segmented field winding assembly having a plurality of interconnected field winding modules. Each field winding module includes a vacuum vessel and a plurality of superconducting field coils carried by a coil support structure within the vacuum vessel. The superconducting field coils are in direct thermal contact with a thermal bus network. At least one cryocooler is in direct thermal contact with the thermal bus network. The superconducting field coils are maintained at a cryogenic temperature via direct thermal conduction cooling by the cryocoolers and the thermal bus bar network.

METHOD FOR LIFTING A WIND TURBINE ROTOR BLADE AND LIFTING YOKE

Absstract of: US2025206575A1

A method for lifting a wind turbine rotor blade using a lifting yoke including a main body attached to a rope-like lifting means, wherein the main body is attached to the rotor blade, wherein at least two gyroscopic stabilization units each arranged laterally offset to the lifting means at the main body and/or the rotor blade are used, wherein the gyroscopic stabilization units each include a rotating member with a deflectable rotational axis, wherein the rotating members apply an adjustable stabilizing torque in at least one stabilizing torque direction in dependence of a disturbance movement of the lifting yoke and/or the rotor blade at least temporarily during lifting is provided.

PORTABLE ELECTRICITY GENERATION SYSTEM AND METHOD OF USE

Absstract of: US2025206170A1

An electricity generator includes a wind tunnel positioned on the vehicle. The wind tunnel has an open first end and an open second end. The open first end is in communication with ambient air. A turbine chamber is fluidly coupled to the open second end of the wind tunnel. At least one wind turbine is positioned in the turbine chamber. The at least one wind turbine includes a housing. A rotor is positioned in the housing along an axis that is substantially perpendicular to an axis of the wind tunnel.

WIND TURBINE BLADE

Absstract of: US2025205976A1

A method of manufacturing a root ring for a wind turbine blade comprising winding metal sheet material onto a mandrel to form a metal section proximate a hub end of the root ring. Sheet fibre material is also wound onto the mandrel to form a fibre section of the root ring proximate a tipwards end of the root ring. The metal sheet material is interleaved with the sheet fibre material to form a transition section of the root ring between the metal section and the fibre section.

RETRACTABLE MOLD BUILT-IN PRECISION PINS TO LOCATE COMPONENTS DURING LAYUP PROCESS FOR FABRICATION OF WIND TURBINE BLADES

Absstract of: US2025205980A1

A wind turbine blade mold including a first mold surface, at least one aperture located within the first mold surface, the at least one aperture configured to receive at least one pin, the least one pin having a first end and a second end defining a length extending therebetween, the second end of the pin disposed within a pin driver, the pin driver disposed on a second mold surface, the pin driver configured to displace the at least one pin from a retracted position wherein the first end of the at least one pin is disposed below the first mold surface, to an extended position wherein the first end of the at least one pin is disposed above the first mold surface.

COUPLING ASSEMBLY

Absstract of: US2025207560A1

A torque transmitting coupling assembly for a wind turbine is provided configured to couple a first coupling part to a second coupling part, wherein the first coupling part and the second coupling part are configured to rotate about a longitudinal axis of the torque transmitting coupling assembly, wherein the first coupling part is supported by a first bearing and a second bearing distributed along the longitudinal axis, wherein the first coupling part is enclosed by a bearing housing and the first and second bearings are arranged between the first coupling part and the bearing housing, wherein the second coupling part is enclosed by a second coupling part housing, wherein the first coupling part and the second coupling part are rigidly coupled by a plurality of fastening means.

WIND TURBINE WITH CONTROL NETWORK AND MONITORING NETWORK

Absstract of: US2025207559A1

A wind turbine comprising a control network is provided. The control network comprising control-network nodes with one or more control-network nodes in the rotor and one or more control-network nodes in the nacelle. A monitoring network is also provided, comprising monitoring-network nodes with one or more monitoring-network nodes in the rotor and one or more monitoring-network nodes in the nacelle. An optical fibre is shared by the two networks and extends between the nacelle and the rotor. First and second wavelength division multiplexer/demultiplexers are provided in the rotor and in the nacelle.

POWER AMPLIFICATION, STORAGE AND REGENERATION SYSTEM AND METHOD

Absstract of: US2025207557A1

Methods, systems and apparatuses including systems and methods that can be used for operating a hydrokinetic turbine such as along one or more flow channels of an ocean tidal region for power generation is disclosed. The hydrokinetic turbine can be positioned within the one or more flow channels or can be shaped to form one or more flows and can be turned by the flow of the ocean tidal region.

ROTOR DRIVE SYSTEM ASSISTED DISENGAGEMENT OF THE ROTOR-LOCK MECHANISM

Absstract of: US2025207561A1

A method of disengaging a rotor-lock of a wind turbine, the rotor comprising one or more blades, which due to the gravitational pull, generates a rotor torque which is opposed by a rotor-lock counter-torque from the rotor-lock, the method comprising: a) determining a direction of the rotor torque with a sensor system; b) applying a rotor-drive counter-torque to the rotor with a rotor-drive system, wherein the rotor-drive counter-torque acts to oppose the determined rotor torque and causes the rotor-lock counter-torque to reduce; c) during or after the application of the rotor-drive counter-torque, disengaging the rotor-lock mechanism; wherein the step of determining a direction of the rotor torque comprises applying a torque restriction to the rotor-drive based on the determined direction of the rotor torque, the torque restriction preventing the application of torque to the rotor by the rotor-drive system in the same direction as the rotor torque.

WIND TURBINE BEARING AND METHOD OF LUBRICATION

Absstract of: US2025207562A1

A method of lubricating a main bearing of a wind turbine, the method comprising providing the main bearing. The main bearing comprises a main bearing housing having one or more pre-existing lubrication ports, an outer race, an inner race radially disposed inwardly from the outer race, and a first row of roller bearings and a second row of roller bearings. The first and second rows of roller bearings are radially disposed between the inner race and the outer race. The first row of roller bearings is axially disposed on the upwind side of the second row of roller bearings. The method includes forming one or more alternate lubrication ports in the main bearing housing. The alternate lubrication ports are configured to deliver a lubricant between the first row of roller bearings and the second row of roller bearings. The method includes supplying the lubricant to the alternate lubrication ports.

Adjustable-Length Horizontal Wind Turbine Blade With Thrust Force Transmission Structure

Absstract of: US2025207558A1

A wind turbine with a retractable blade and a thrust force transmission structure provides an adjustable blade length system that maintains the airfoil shape and does not negatively impact aerodynamic efficiency. Thrust Force Transmission Structure that directly transfers the thrust forces from the blade tip to the hub, thereby reducing bending stresses and acting as a damper. This system significantly reduces the torque experienced at the root section, leading to a lighter blade design and extended blade lifespan.

WIND POWER GENERATION AMOUNT PREDICTION SYSTEM REFLECTING MULTI-PERIOD WIND POWER GENERATION AMOUNT TENDENCY

Absstract of: WO2025135406A1

The present invention provides a wind power generation amount prediction system comprising: an input data generation unit that generates, for respective institutions from institution-specific numerical prediction data, input data including wind speed data, wind direction data, and air density data; a wind power generation amount prediction unit that predicts, for the respective institutions, initial wind power generation amounts of a wind power plant by applying, for the respective institutions, the input data generated for the respective institutions to respective four-dimensional power curve models; and a wind power generation amount correction unit that predicts a final wind power generation amount by correcting the initial wind power generation amounts so as to reflect a wind power generation amount tendency in a multi-period including a short period and a long period, and integrating the initial wind power generation amounts corrected for the respective institutions.

ENERGY HARVESTING SYSTEM

Absstract of: WO2025136333A1

The present invention relates to an energy harvesting system for converting the variable kinetic energy of moving fluids, such as wind and currents, into usable forms of energy. The invention provides an energy harvesting system comprising an array of blades oscillating under the influence of a restoring force in conjunction with a moving fluid, such as air or water. The blades are arranged end to end in such a way that they can move angularly with respect to each other.

DYNAMIC TORQUE BALANCING MECHANISM IN COUNTER-ROTATING DUAL-ROTOR WIND TURBINES

Absstract of: WO2025136292A1

The invention is a blade control and torque balancing mechanism (100) developed for use in dual-rotor wind turbines, characterized by a generator (101) with a rotor and stator connected to two separate shafts, allowing them to rotate in opposite directions. The generator (101) includes two covers and an outer shell with bearing housings and circlip slots. It also features a servomotor (105) linked to a lead screw (108) to adjust angles based on active torque measurement and a decision mechanism; a lead screw (108) that moves forward and backward through the servomotor (105); a torque meter (106) connected to the shafts exiting from the generator (101) rotor and stator to measure the torque generated by the front and rear turbine blades (114); a connection arm (110) that moves along the lead screw (108), allowing the shaft (117) to rotate with the turbine blades (114); an elliptical triangular connection apparatus (111) with bearing and circlip holes for mounting the shaft (117) and servomotor (105), designed to rotate synchronously with the turbine blades (114) and to adjust blade angles by moving with the connection arm (110) back and forth; and a blade connection apparatus (118) positioned on the shaft (117) to adjusting the desired angle actively changing the angle of the turbine blades (114).

METHOD FOR ASSEMBLING AND AUTOMATICALLY LIFTING A WIND TURBINE TOWER

Absstract of: WO2025133417A1

The invention relates to a method for assembling and automatically lifting a wind turbine tower, characterised in that different ferrules (3) composed of wedges (4) are formed in situ using robotised elements (10) that travel along circular guides (9). Welding, inspection and painting elements are simultaneously applied to the inside and outside of the ferrule (3), and work is done at two heights by replicating the circular guides (9) and raising same by means of vertical columns (16). As the ferrules (3) are formed, they are raised by a triangle (6) that travels between columns (5) of the automatic lifting system. Subsequently, by horizontally welding ferrules (3) together, a tower section (2) is formed. The method is applied to tubular towers and frustoconical towers that are 6-8 m in diameter and at least 200 m high.

HYBRID ENERGY HARVESTING SYSTEM

Absstract of: WO2025133888A1

The present prospect provides an energy harvesting system comprising an enclosure with an inlet end, a middle section, and an outlet end, wherein a first area of the middle section is smaller than a second area of the inlet end to optimize airflow acceleration. Positioned within the middle section are rotor blades, designed to efficiently convert the kinetic energy of accelerated air into mechanical energy. A generator is linked to said blades, transforming the mechanical energy into electrical power. The energy harvesting system is poised to make significant contributions to renewable energy, offering a versatile solution for effective and sustainable energy production in various environmental settings. Further, enclosure can be fabricated from solar panel or enclosed with solar panel to transform solar energy into electrical energy.

WIND TURBINE MAIN SHAFT INTEGRATED SLIDING BEARING TRANSMISSION SYSTEM

Absstract of: WO2025130952A1

Disclosed in the present invention is a wind turbine main shaft integrated sliding bearing transmission system, comprising a wind turbine main shaft. The wind turbine main shaft is integrally provided with at least one inner ring; a first sliding layer is arranged on the outer surface of the inner ring; a bearing seat is arranged outside the inner ring; and a second sliding layer is arranged on the inner ring of the bearing seat. According to the present invention, the wind turbine main shaft, the bearing seat and a sliding bearing are considered as a whole; the number and functions of parts are considered from the perspective of integrating the main shaft and the bearing seat unit, thereby fully utilizing the performance of the parts; and the sliding layers are directly integrated on the outer surface of the main shaft or the inner surface of the bearing seat, the inner ring of the sliding bearing and the main shaft are integrated into a whole, and an outer ring of the sliding bearing and the bearing seat are integrated into a whole, reducing the number of parts of the sliding bearing, and finally achieving the objective of reducing the number of overall parts and simplifying the assembly and installation of the wind turbine main shaft and the sliding bearing.

ANTI-ICING METHOD AND SYSTEM FOR BLADES OF WIND TURBINE GENERATOR SET

Absstract of: WO2025130517A1

Disclosed in the present invention are an anti-icing method and system for blades of a wind turbine generator set. The method comprises: establishing an icing prediction model; collecting in real time meteorological data of a wind turbine generator set, and collecting icing state data of blades of the wind turbine generator set; performing calculation on the basis of the meteorological data collected in real time and the icing prediction model, and on the basis of a calculation result, predetermining whether an icing condition is currently met; if the icing condition is currently met, heating the blades, and performing real-time calculation on the collected data, and when a non-icing condition is met, stopping heating; on the basis of the currently collected icing state data, determining whether an icing state is reached; and if the icing state is reached, heating the blades, and when the collected icing state data has met the non-icing condition, stopping heating. The method can achieve an effect of preventing icing in advance, data of blades can be monitored in real time, and repeated icing caused by meteorological changes can be prevented, thereby ensuring the normal operation of a wind turbine generator set.

WIND TURBINE YAW BRAKE PAD REPLACEMENT SYSTEM BASED ON LASER REFLECTION MEASUREMENT TECHNOLOGY

Absstract of: WO2025130201A1

The present invention relates to the technical field of wind power generation device maintenance. Provided is a wind turbine yaw brake pad replacement system based on laser reflection measurement technology. The system comprises a data acquisition module, which is used for acquiring wear data of yaw brake pads in real time by means of preset monitoring devices and outputting first data; a data analysis module, which is used for preprocessing the first data to obtain data to be analyzed, analyzing the data to be analyzed, determining a wear state of each yaw brake pad and obtaining state analysis data; an early-warning module, which is used for inputting the data to be analyzed and the state analysis data into an early-warning database for data matching, and outputting a corresponding early-warning instruction; and a replacement module, which is used for selecting from a policy database a matching device replacement policy and a replacement method corresponding to the policy, and replacing the corresponding yaw brake pad. The present invention can realize real-time monitoring and accurate early warning of the degree of wear of yaw brake pads, and maintain the yaw brake pads in a timely manner.

QUICK FAN BLADE MOUNTING STRUCTURE AND FAN USING SAME

Absstract of: WO2025129765A1

A quick fan blade mounting structure, comprising a rotary disk (1) and fan blade bodies (2), wherein slots (4) are provided in a circumferential face of the rotary disk (1); a movable locking device (3) and a self-locking part (52) are at least provided on a side face of each slot (4); first protrusions (21), snap-fitting positions (22) and second protrusions (23) are symmetrically provided on side faces of a root (20) of the fan blade body (2) in a direction from the front end to the rear end thereof; the locking device (3) has a tendency to move away from the self-locking part (52) and close to the root (20); and a fan blade and the locking device (3) have the following two states therebetween: a first state in which the locking device (3) locks the root (20) in the slot (4), and a second state in which the locking device (3) is disengaged from the snap-fitting position (22) and is locked to the self-locking part (52), such that the root (20) can be disengaged from the slot (4), the second protrusion (23) is disengaged from the slot (4) along with the root (20) to drive an unlocking part (62) to move, and the unlocking part (62) moves to cause the locking device (3) to be disengaged from the self-locking part (52) and reset. The fan blade bodies (2) and the rotary disk (1) are assembled and disassembled without the need for using tools, making the operation simple and easy.

BLADE HAVING PULL CABLE

Absstract of: WO2025130001A1

A blade (1) having a pull cable, which comprises a resistive rod and a pull cable; the resistive rod extends outwards along the left and right sides and/or the front and rear sides of the blade (1); and the pull cable is arranged between the resistive rod and the blade (1).

HIGH FREQUENCY PROCESSOR ANTENNA ASSEMBLY, WIND TURBINE GEARBOX, AND WIRELESS PASSIVE TEMPERATURE MEASUREMENT SYSTEM

Absstract of: WO2025129394A1

The present disclosure relates to a high frequency processor antenna assembly, a wind turbine gearbox, and a wireless passive temperature measurement system. The high frequency processor antenna assembly is used for a wind turbine gearbox, and comprises: an antenna housing comprising a first end and a second end; and a high frequency processor antenna mounted at the first end of the antenna housing; wherein the first end of the antenna housing is inserted from the outside of a wind turbine gearbox housing and located in the wind turbine gearbox housing, and is used for being communicationally connected to a temperature sensor located in the wind turbine gearbox housing; and a flange plate is provided at the second end of the antenna housing, and the flange plate is fixedly connected to the outer wall of the wind turbine gearbox housing by means of fasteners, so as to facilitate the high frequency processor antenna to transmit a data signal to a processor located outside the wind turbine gearbox housing. The high frequency processor antenna assembly is mounted from the outside of the housing and fixed to the housing, so that maintenance, disassembly and replacement can be achieved without the need of disassembling the entire wind turbine gearbox, the risk of the high frequency processor antenna falling into the housing is also avoided, and there is no need to arrange wires in the wind turbine gearbox housing.

ELECTRICAL ENERGY GENERATION PLANT POWERED BY SEA WAVES OR OTHER MOVEMENTS USING INTERCONNECTED VESSELS AND GRAVITATIONAL FORCE

Absstract of: WO2025129280A1

The present invention relates to an apparatus for generating electrical energy, comprising a mechanism placed on a raft that utilizes the oscillating movement of sea waves and/or the wind in order to operate. It comprises one or more interconnected vessels, each of which has a flotation assembly, a rod, and an electrical energy generator. Said flotation assembly moves up and down according to the movements of the raft. A tower is installed on said raft, having baffles for capturing the wind in order to promote or amplify the oscillating movements thereof. Said energy generation mechanism can also be installed on ships or land vehicles.

POWER GENERATION APPARATUS, SYSTEM AND METHOD

Nº publicación: WO2025129247A1 26/06/2025

Applicant:

ROBERTSON DALE [AU]
ROBERTSON, Dale