273results about "Wind motor with parallel air flow" patented technology

Method for manufacturing a pre-formed root-end component (10) for a wind turbine blade, the method comprises steps of: - providing a continuous root-end sequence, the continuous root-end sequence comprises repeats of two successive bushings (110) followed by a core (120) arranged along a process direction (X); - wrapping a first layer (210) comprising one or more layers of reinforcement material around the continuous root-end sequence, thereby forming a wrapped continuous root-end sequence; and either - embedding the wrapped continuous root-end sequence in a second layer (310) comprising roving with a binding agent, thereby forming an embedded continuous root-end sequence; and - passing the embedded continuous root-end sequence through a heated die (1500) along the process direction (X) to consolidate the roving and binding agent into a pre-formed continuous root-end sequence (400), or - embedding the wrapped continuous root-end sequence in a second layer (310) comprising roving; thereby forming an embedded continuous root-end sequence; - wrapping a third layer (610) comprising one or more layers of reinforcement material with a binding agent around the embedded continuous root-end sequence, thereby forming a covered continuous root-end sequence (610); - passing the covered continuous root-end sequence through a heated die (1500) along the process direction (X) to consolidate the third layer (610) into a pre-formed continuous root-end sequence (400).

The present disclosure relates to a segmented wind turbine blade comprising a first blade shell segment joined with a second blade shell segment via attachment means. A fairing element is provided that comprises fibre-reinforced composite material and a metal element attached to the fibre-reinforced composite material. The fairing element is fastened to the first and second shell segments using fasteners. The fairing element covers the attachment means at least partly and forms part of an aerodynamic profile of the wind turbine blade. The metal element of the fairing element is configured such that the metal element of the fairing element provides electrical contact between a first metal element in the first shell segment and a second metal element in the second shell segment. A composite fairing element and a method for manufacturing a segmented wind turbine blade are also provided.

The present application relates to a kind of energy-saving and environment-friendly mechanical ventilation cooling tower, by optimizing the gap design of cooling fan blade and wind cover, using the negative pressure generated by blade rotation to suck in cooling air, and the hot water in heat dissipation assembly forms convection heat exchange, realizes efficient cooling.At the same time, the ascending airflow drives the blade with porous fiber bundle to rotate, on the one hand, the kinetic energy is recovered by wind power generator and converted into stable electric energy through control inverter unit, on the other hand, the water vapor in air is absorbed and condensed by porous fiber bundle, and water resources are recovered.The present application does not need to transform existing cooling tower, with simple structure, easy installation, energy saving, water saving and environmental protection effect, and significant economic benefit.

The application discloses a new energy wind turbine with a high-efficiency wind energy capturing and enhancing device, which comprises a tower body, a machine box rotatably arranged at the top end of the tower body, and a steering component arranged between the machine box and the tower body; a rotating hub rotatably arranged at one side of the machine box, wherein an adjusting mechanism is arranged in the rotating hub; and a collecting box fixedly connected to the top end of the machine box and used in cooperation with the adjusting mechanism. Through cooperation of the bevel gear one, the bevel gear two and the adjusting motor, the function of synchronously driving three blade adjusting pitch angles by a single motor is realized, the problem of low wind energy capturing efficiency under variable wind speed conditions caused by the unadjustable blade angle in the prior art is solved, the fan can actively increase the pitch angle below the rated wind speed to improve the wind energy capturing efficiency, and the reverse adjustment is realized to achieve the power limiting and safety protection in the condition of over-speed.

The present disclosure may be embodied as a blade for a wind turbine. The blade includes a spar and a blade body arranged around the spar. The blade may include a root, a tip, and one or more body sections, each body section having a length, a stiffness ratio. The blade may further include two or more boundary actuators, each boundary actuator positioned at a boundary end of a body section, wherein each boundary actuator is configured to engage the corresponding boundary end to twist the body section. The length and stiffness ratio of each section may be optimized for maximum efficiency during Region 2 operation.

Device for accelerating a fluid current, comprising : an enclosure having axial symmetry around a central axis oriented along a reference direction, which defines therein a first cavity and comprises, in order along the central axis an inlet portion having a central opening open outwardly in a direction opposite to the reference direction, a first divergent portion having a plurality of first side openings open outwardly, a first convergent portion, and a first confluence portion having a plurality of first confluence openings open radially outwardly and an outlet opening open outwardly in the direction of the reference direction; an inner body having axial symmetry around the central axis and housed within the first cavity, which comprises, in order along the central axi s a second divergent portion positioned at least partially within the first divergent portion, a second convergent portion positioned at least partially within the first convergent portion, and a second confluence portion, which is hollow and is positioned at least partially within the first confluence portion, which defines therein a second cavity, and which has a plurality of second confluence openings radially open towards the first cavity, wherein the inner body has a plurality of inner channels extending between respective second side openings formed in the second divergent portion and the second cavity, wherein an annular gap is defined that narrows proceeding along the reference direction within the first cavity, between the enclosure and the inner body; a plurality of sleeves, wherein each sleeve extends through a corresponding first side opening and has a first end arranged outside the enclosure and oriented at least partially opposite to the reference direction, and a second end facing a corresponding second side opening.

This application provides a blade multi-section load testing assembly, a blade, and a wind turbine generator. It includes a signal acquisition unit; a fiber Bragg grating array sensor for mounting on the blade; the fiber Bragg grating array sensor has multiple connection terminals, at least two of which are connected to the signal acquisition unit. This application uses a fiber Bragg grating array sensor to acquire the bending moment load on the blade. Compared to the traditional method using strain gauges, the fiber Bragg grating array sensor is less susceptible to electromagnetic interference and temperature drift, and exhibits better long-term stability, thus significantly improving the accuracy of blade load testing.

This utility model discloses a wind power generation device, belonging to the field of wind power generation technology. Specifically, it includes a housing with a sealing cover on top and a fixed cylinder fixedly connected to the bottom. Both ends of the housing are rotatably connected to fan blade shafts, and impellers are fixedly connected to one end of each fan blade shaft outside the housing, with the two impellers rotating in opposite directions. The other end of each fan blade shaft is fixedly connected to a rotating shaft, which is rotatably connected inside the housing via a bearing seat. A power generation mechanism is provided between the opposite ends of the two rotating shafts to convert the rotational mechanical energy of the two rotating shafts into electrical energy. This utility model, by using two oppositely rotating impellers, changes the traditional method of capturing wind power with a single impeller, improving wind power capture efficiency and power generation efficiency. Furthermore, the power generation mechanism simplifies the structure of the device, improves compatibility, and reduces maintenance costs.

This invention relates to the field of wind turbine technology, specifically to a wind turbine main shaft structure. The wind turbine main shaft structure includes a hub, a transmission frame, a main shaft, a nacelle base, a main bearing, and a rear bearing. The hub and transmission frame are respectively connected to both ends of the main shaft. The nacelle base has a main bearing seat and a rear bearing seat at both ends along the axial direction of the main shaft, with the main bearing connected to the main bearing seat and the rear bearing connected to the rear bearing seat. The main shaft is rotatably connected to the nacelle base via the main bearing, and the transmission frame is rotatably connected to the nacelle base via the rear bearing. The transmission frame is used for transmission connection with the generator. This wind turbine main shaft structure reduces the weight and load of the unit components, and the segmented design of the main shaft reduces the difficulty of main shaft machining. The structural installation design of the front and rear bearings improves the rigidity of the entire transmission chain and eliminates the requirement for vibration-damping torque arms in independent shaft transmission chains.

Disclosed is an electric vehicle capable of being continuously charged using wind energy, comprising: an air inflow part (110) formed to allow wind to flow in during travel; a turbine (120) formed at the rear end of the air inflow part (110) and rotated by wind energy; a power generation unit (130) for generating electric power; a power source unit (140); a sensor unit (160) formed on the front surface of the electric vehicle (10) and comprising a wind velocity sensor (161) for measuring wind velocity during travel, a rainfall sensor (162) for measuring rainfall during a rainy season, a snowfall sensor (163) for measuring snowfall during snowfall, and a sandstorm sensor (164) for measuring a sandstorm; and a controller (150) electrically connecting a battery (141) and an electric motor (11) by means of an electrical system and controlling the charging of the battery (141) by the power generation unit (130), wherein the air inflow part (110) comprises an air inflow path (111) recessed at each side or the center of the lower front part of the electric vehicle (10) and an opening / closing hole (112) formed at the air inflow path (111), opening / closing same, and having an aperture structure in which multiple air-through holes are arranged, and the controller (150) analyzes each value measured by the wind velocity sensor (161), the rainfall sensor (162), the snowfall sensor (163), and the sandstorm sensor (164), so as to operate the opening / closing hole (112) and thereby regulate the airflow that flows into the air inflow path (111), and thus generate electric power using wind energy regardless of the driving environment and weather conditions, which enables continuous charging.

The present invention relates to a method of performing at least one post-moulding operation on a blade segment (70) of a wind turbine blade. The method comprises the providing a holding device (88) for supporting the blade segment (70) at its spar structure (62), the holding device (88) comprising a coupling member (90) for engaging the spar structure (62). The blade segment (70) is held with the holding device (88) such that the spar structure (62) of the blade segment (70) is engaged by the coupling member (90), and performing at least one post-moulding operation on the shell structure (82) of the blade segment (70).

The disclosure relates a wind blade (1) segmented by a cutting contour (2, 9, 12) into an inner segment (3) and an outer segment (4). The cutting contour includes straight and circular portions enabling modular assembly. The outer segment comprises an opening (7) configured to receive the inner segment of another wind blade. A building assembly is formed using three wind blades, where the outer segments align and abut each other in a horizontal plane, optionally creating a hollow space for accommodating utilities. The disclosure also provides a method for manufacturing wind blades with specific cutting contours and assembling them into modular structures for versatile applications. This design facilitates cost-effective construction of warehouses, residential, commercial, and industrial facilities, while reusing wind blade components for sustainable architecture.

This invention discloses a method for balancing and correcting a wind turbine rotor, comprising: acquiring vibration signals, rotor azimuth angle signals, and operating parameters of the wind turbine; performing azimuth synchronization processing on the vibration signals based on the rotor azimuth angle signals to extract the 1P vibration vector; performing operating condition normalization processing on the 1P vibration vector based on the operating parameters to obtain a normalized unbalance vector; applying a preset pitch disturbance to each blade and obtaining the change in the normalized unbalance vector before and after the disturbance; establishing an aerodynamic unbalance sensitivity matrix based on the change; decomposing the current normalized unbalance vector into an aerodynamic unbalance component and a mass unbalance component based on the aerodynamic unbalance component; determining the blade pitch offset correction amount based on the aerodynamic unbalance component, and determining the counterweight and counterweight orientation based on the residual mass unbalance component. This invention can distinguish between aerodynamic unbalance and mass unbalance, reduce blind counterweighting, and improve the accuracy and efficiency of rotor balancing and correction.

A method for introducing a component (7) in a nacelle (6) of a wind turbine by means of a guiding tool is disclosed The guiding tool comprises a first part (1) mounted at or near an upper opening (5) of the nacelle (6) and a second part (9) mounted on or forming part of the component (7) being introduced. The first part (1) comprises at least one guiding portion (3) having a wide entrance (3a), a narrow track (3b) and a tapered portion (3c) interconnecting the wide entrance (3a) and the narrow track (3b), and the second part (9) comprises at least one protruding portion (10). The component (7) is lifted to a position above the nacelle (6), and subsequently lowered while causing the at least one protruding portion (10) of the second part (9) of the guiding tool to engage with the wide entrance (3a) of the at least one guiding portion (3) of the first part (1) of the guiding tool and guiding the at least one protruding portion (10) of the second part (9) of the guiding tool along the tapered portion (3c) and the narrow track (3b), so as to position the component (7) relative to the nacelle (6), during the lowering of the component (7).

The present invention relates to a reinforced blade for a wind turbine, in particular the adhesive joint line is reinforced to better withstand forces leading to blade failure due to peeling effects in the joint line. The blade has at least one elongated reinforcing member connected within the blade shell for increasing the strength of the adhesive joint line of the blade. Each of the at least one elongated reinforcing member has a first end and a second end and extends in a longitudinal direction between the first end and the second end, and wherein the first end is connected to the blade shell and the second end is connected to a support or flatback, thereby reducing peeling stresses in the adhesive joint line.

An electricity generation system employs a tide- and wind-powered turbine featuring an inverted blade configuration, where the blades extend inward from an outer ring, creating a central void for fluid passage and optimizing energy capture efficiency. The system includes advanced components such as an axial radial flux motor, ball bearings, and a variable pitch mechanism for dynamic blade adjustment. It is adaptable for mounting on bridges, pipelines, or power transmission towers and incorporates innovative motor technologies, including crystal motors, to achieve efficient energy conversion. The system supports bidirectional flow environments, ensuring continuous power generation, and integrates energy storage devices such as saltwater batteries to store excess energy. Designed for sustainable, 24-hour electricity generation with minimal environmental impact, the system is suitable for infrastructure-based installations, marine vessels, and small-scale devices, offering versatile applications across diverse environments.

A serrated panel for a trailing edge of a wind turbine rotor blade includes at least two teeth each having a tip, a base, a length measured between the base and the tip, a width measured at the base, wherein the length is larger than the width, and two edges running from the tip to the base, each edge having a tip end-section extending from the tip to an intermediate point, and a main section extending from the intermediate point towards the base. A plurality of tines are arranged side by side in a chordwise direction, each beginning at one of the edges and extending rearwards. All tines beginning in one of the main sections have the same, first length, between 20% and 60% of the length of the respective tooth, and all tines beginning in one of the tip end-sections are shorter than the first length.

Lifting yoke suitable for transporting convex or concave preformed elements (12) comprising a stack of fibrous mats fixed by means of an adhesive and suitable for producing wind turbine rotor blades, said lifting yoke comprising a plurality of gripping elements (6) suitable for gripping said preformed elements (12) and arranged in convex or concave geometry at a suspension device (5) of said yoke (1), and a support device (2) connected to said suspension device (5), said support device (2) comprising a connection device (3) suitable for connecting said yoke (1) to a lifting means (4) and a rotation device suitable for rotating a portion (14) of said support device (2) carrying said suspension device (5) with respect to said connection device (3) about a horizontal axis (A).

The invention relates to a hub assembly (1) for a wind turbine, comprising a hub body (2) having at least one connection face (3) with a first bore circle (4) formed therein, a blade-side extending bearing unit (5) comprising a first bearing ring (6) with a second bore circle (7) aligned with the first bore circle (4) and a second bearing ring (8) for fastening to a rotor blade of the wind turbine, wherein the second bearing ring (8) is arranged coaxially with respect to the first bearing ring (6) so as to be rotatable about a common bearing axis, and a hub-side extending bearing unit (9), wherein the hub body (2) is bolted to the first bearing ring (6) via the first bore circle (4) and the second bore circle (7), and wherein the hub-side extending bearing unit (9) comprises at least two lugs (10) each extending over a circumferential portion of the bore circle (4, 7) and having a corresponding bore circle arc aligned with the bore circle (4, 7), wherein the lugs (10) are inserted into the screw connection of the hub body (2) and the first bearing ring (6).

In a first aspect of the present invention there is provided a method of making a wind turbine blade shear web comprising an elongate web panel and an elongate web foot. The method comprises providing an elongate web panel component. The method further comprises providing a strip of material comprising a plurality of plies comprising reinforcing fibres, the plurality of plies being arranged in a stack. The method comprises roll forming the strip of material into an elongate roll-formed web foot component having the plurality of plies arranged in a layered structure and comprising a base and an upstand extending substantially transverse to the base. Roll forming the strip of material comprises applying heat to the strip of material. Roll forming the strip of material also comprises feeding the strip of material through at least one roller which bends a first portion of the strip relative to a second portion of the strip such that the first portion extends substantially transverse to the second portion. The first portion thereby defines at least part of the upstand of the roll-formed web foot component and the second portion thereby defines at least part of the base of the roll-formed web foot component. The method further comprises attaching the upstand of the elongate roll-formed web foot component to the elongate web panel component.

The application discloses a debugging method of a wind power blade root flange device, comprising the following steps: measuring the flatness of a pre-buried flange by using a first measuring device; establishing the center points of a theoretical pre-buried flange surface and a flange hole according to a 3D digital mold model of a mold; measuring the elevation of a mold parting surface by using a second measuring device, and measuring the base circle diameter of a mold root and the torsion angle of the mold by using the first measuring device; pre-fixing the pre-buried flange and the mold by using an auxiliary tool; adjusting the height and chordwise position of the pre-buried flange in a mold opening state; adjusting the axial position of the pre-buried flange in a mold opening state according to a theoretical value; after the mold is closed, checking whether the pre-buried flange has axial misplacement, and if the pre-buried flange has axial misplacement, correcting the pre-buried flange. The application can improve the debugging precision of the wind power blade root flange device.

This invention discloses a wind turbine airflow guiding device, including an airflow guide shroud with three fan blades movably mounted on its outer surface; it also includes a quick-installation mechanism for rapid installation of the fan blades; a second mounting ring is rotatably connected to the outer surface of a first mounting ring, and a rotating ring is rotatably connected to the outer surface of the second mounting ring; four right-angle connecting rods are uniformly rotatably connected to the outer surface of the rotating ring; four connecting buckles and a second fastening plate are fixedly installed on the outer surface of the fan blades, and one end of the fan blades is fixedly installed on the inner surface of the connecting buckles; the rotation of the output shaft of the second motor moves two clamping plates away from the limiting post, and then the output shaft of the first motor drives the gear to rotate, which further drives the gear ring to rotate the limiting rods and the fan blades, thereby deflecting the fan blades to ensure they are in the optimal wind-receiving state. After the fan blades are deflected, the limiting post is clamped and fixed by the two clamping plates to increase the stability of the fan blades and prevent them from loosening during rotation.

A method for providing a conductive connection point of a lightning protection system of a wind turbine blade to an expanded foil or mesh that may be configured as a down conductor extending from a tip connection block towards a root connection block, with a plurality of conductive connection points electrically connected therewith. One method embodiment includes melting a conductive material, applying the melted conductive material in a liquid state for surrounding the expanded foil or mesh, and allowing the melted conductive material to harden for providing a mechanical and electric conductive connection between the conductive connection point and the expanded foil or mesh. Another method embodiment includes providing at least two discs made of conductive material, arranging the discs on opposite sides of the expanded foil or mesh, and fastening the discs to each other with the expanded foil or mesh therebetween for providing an electric conductive connection.

The utility model relates to the field of bird repelling, and particularly discloses a power distribution net rack bird repelling device which comprises a detachable connecting assembly and a supporting frame fixedly connected with the detachable connecting assembly. The sound bird repelling module is installed on the supporting frame, and the sound bird repelling module is installed on the supporting frame; the wind power generation module supplies power to the sound bird repelling module and is installed on the supporting frame. According to the scheme, when the bird repelling device for the power distribution net rack is used, the wind power generation module can generate power under the action of wind, and the wind power generation module can supply power to the sound bird repelling module, so that the sound bird repelling module can continuously produce sound to repel birds under the support of the wind power generation module.

In the present invention, the accuracy of work to construct a protective layer is improved. This protective layer construction device comprises: a material injector (110) that injects, from an injection port (111), an injection frame (112) that includes a construction material; a movement mechanism that moves the material injector (110) in a prescribed scanning direction; a distance sensor (120) is installed in the movement mechanism in a state in which a prescribed distance (D) from the material injector (110) is maintained, is moved in the scanning direction, and contactlessly measures the distance from a blade surface (A); and a control unit that controls the distance (H) between the injection port (111) of the material injector (110) and the blade surface (A) on the basis of a measured distance (H') acquired by the distance sensor (120). The prescribed distance (D) is determined on the basis of an injection angle (θ) of the injection frame (112) and a set distance between the injection port (111) and the blade surface (A).

A blade (200) for a wind turbine (10) comprising a lightning protection system and a non-conductive exterior surface (201). The lightning protection system comprises an internal down conductor (31) for conducting lightning current towards a base portion (21) of the blade (200). The lightning protection system further comprises one or more exposed lightning receptors (400) located on a suction side (26) or a pressure side (25) of the blade (200) at a spanwise position of the blade (200), extending through the exterior surface (201) of the blade (200) and electrically connected to the internal down conductor (31). For one or more of the lightning receptors (400), for one or more points (X) on the other of the suction side (26) or pressure side (25) of the blade (200) at the spanwise position corresponding to the lightning receptor (400), the total breakdown voltage along any path of lightning from any of the one or more points (X) to the lightning receptor (400) via the interior of the blade (200) is greater than the total breakdown voltage along an indirect path from the point (X) to the lightning receptor (400) around the exterior surface (201) of the blade (400).

The application relates to the technical field of power generation, and provides a floating type power generation device, which comprises a balloon, a power generation assembly used for generating electric energy and connected with the balloon, and a direction adjuster connected with the power generation assembly; the balloon is used for floating the power generation assembly in the air, and the direction adjuster is used for adjusting the orientation of the power generation assembly. Through the technical scheme, the power generation efficiency of the power generation device can be improved.

The ParamBlade system provides a highly customizable and user-friendly graphical user interface (GUI) for the 3D design of wind turbine blades. It enables users to generate blade models by using a wide range of aerodynamic profiles (including unconventional profiles) and adjustable parameters. This tool offers a unique flexibility for research and development, both in academic and industrial fields, by allowing rapid design iterations depending on aerodynamic performance needs. The ParamBlade GUI allows users with little programming experience to create sophisticated blade designs (open source code), supporting a range of commercial and aerodynamic research applications.