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Resultados 311 resultados LastUpdate Última actualización 22/01/2019 [17:05:00] pdf PDF




Solicitudes publicadas en los últimos 15 días / Applications published in the last 15 days



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WIND POWER GENERATION DEVICE, CONTROL METHOD FOR WIND POWER GENERATION DEVICE, AND WIND POWER GENERATION SYSTEM

NºPublicación: WO2019012814A1 17/01/2019

Solicitante:
HITACHI LTD [JP]

Resumen de: WO2019012814A1

The present invention autonomously controls operation of wind power generators and enables compensation of variations in a system frequency. Wind power generation devices 12a, 12b are connected to a power system 11 and comprise: first control units 17a, 17b that each calculate a power command value for compensating for variations in a system frequency on the basis of a host edge operation amount, which is an operation amount of a wind power generator 15a, 15b of the host device, an average value of the host edge operation amount and the operation amount of other wind power generator, and a system frequency obtained from a voltage value at an electrical connection point between the wind power generator 15a, 15b and the power system 11; and second control units 18a, 18b that each control operations of the wind power generator in accordance with the power command values supplied from the first control unit.



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DEVICE AND METHOD FOR CHECKING THE ELECTRODYNAMIC BEHAVIOR OF A DRIVE TRAIN OF A POWER-GENERATING APPARATUS ON THE GRID

NºPublicación: WO2019011846A1 17/01/2019

Solicitante:
WOODWARD KEMPEN GMBH [DE]

Resumen de: WO2019011846A1

The invention relates to a device for testing the electrodynamic behavior of a drive train of a power-generating apparatus on the grid, in particular a wind turbine on the grid, in the event of transient grid faults. The drive train to be tested has at least one generator for generating electrical power and at least one converter for feeding the electrical power of the generator into an electrical grid. The device additionally has connecting means for connecting the converter to an electrical grid. An electrical load is provided for the drive train. The device comprises at least one grid fault unit for simulating transient grid faults and a process controller, by means of which at least the drive train and the grid fault unit can be controlled. The problem of providing a device for testing the electrodynamic behavior of a drive train of a power-generating apparatus on the grid in the event of transient grid faults, which device can economically test various drive trains of different power classes with respect to the electrodynamic behavior of said drive trains in the event of grid faults, is solved in that means for driving the generator are provided, which have at least one flywheel store for storing kinetic energy, which at least one flywheel store can be coupled to the generator by means of a drive shaft.



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WIND POWER-GENERATION SYSTEM

NºPublicación: WO2019012788A1 17/01/2019

Solicitante:
HITACHI LTD [JP]

Resumen de: WO2019012788A1

The present invention includes: a doppler radar that is installed on at least one of a plurality of wind power-generation devices and that projects a laser beam to measure the wind conditions around the wind power-generation devices; and a control device that controls the wind power-generation devices on the basis of the wind conditions measured by the doppler radar. The control device carries out control so that the laser beam is projected from the doppler radar in a direction which is in accordance with the topography of a location within a farm where the wind power-generation devices are installed.



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WIND COLLECTING DEVICE

NºPublicación: WO2019011277A1 17/01/2019

Solicitante:
LI WEI JIN [CN]

Resumen de: WO2019011277A1

A wind collecting device disposed on a roof and used for collecting wind power. The wind collecting device comprises: a casing (10) and a guiding sleeve (20). An wind inlet (11) of the casing (10) is flared and a casing flange (13) is protruded around the circumference of the opening of the wind inlet. The guiding sleeve (20) is disposed in the casing (10) and protrudes out of the wind inlet (11) of the casing (10); an wind inlet (21) of the guiding sleeve (20) is flared, and a sleeve flange (23) is protruded around the circumference of the opening of the wind inlet; the two flanges are spacedly disposed, and an annular wind intake (50) is formed; the annular wind intake (50) extends into a space between the inner wall surface of the casing (10) and the outer wall surface of the guiding sleeve (20). When wind blows toward the wind inlet (21) of the guiding sleeve (20), the wind directly enters the guiding sleeve (20). However, when the wind blows toward the guiding sleeve (20) obliquely relative to the guiding sleeve (20), the wind may directly enters the annular wind intake (50) or impacts on the casing flange (13) and/or the sleeve flange (23), then changes direction, and enters the annular wind intake (50). Thereby, wind volume can be effectively collected from various directions, thus increasing the wind receiving capacity of a wind driven generator.



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OCEAN TIDAL CURRENT ENERGY POWER GENERATING SYSTEM

NºPublicación: WO2019011134A1 17/01/2019

Solicitante:
GUODIAN UNITED POWER TECH COMPANY LTD [CN]

Resumen de: WO2019011134A1

An ocean tidal current energy power generating system, comprising a fixing mechanism, an ocean current energy power generator set, and a signal monitoring mechanism. The fixing mechanism comprises: floating bodies (3), fixing rods (5), horizontal supporting rods (4), and a working platform (6); the floating body (3) is fixed to the seabed by means of anchor chains (12); the fixing rods (5) are fixed to the floating bodies (3); the horizontal supporting rods (4) are fixed to the underwater portions of the fixing rods (5), and the working platform (6) is fixed to the overwater portions of the fixing rods (5). The power generator set comprises: underwater assemblies and an overwater assembly; each underwater assembly comprises: connected in sequence, blades (21), a wheel hub (22), a main shaft (23), a gear box (24), a coupler (25), a power generator (26), a stern room and a yawing mechanism (29); a variable propeller mechanism is disposed in the wheel hub (22); the yawing mechanism (29) is disposed between the coupler (25) and the horizontal supporting rod (4). The described floating type semi-direct-drive ocean tidal current energy power generating system can be used to safely and reliably convert ocean current energy into electric energy efficiently.



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FLOATING BARREL, MANUFACTURING METHOD FOR FLOATING BARREL, AND WIND TURBINE GENERATOR USING FLOATING BARREL

NºPublicación: WO2019010947A1 17/01/2019

Solicitante:
UNIV FOSHAN [CN]

Resumen de: WO2019010947A1

A floating barrel, a manufacturing method for the floating barrel, and a wind turbine generator using the floating barrel. The floating barrel comprises a cylindrical barrel body (11); the barrel wall of the barrel body (11) is of a concrete structure (12), graphene and basalt fibers are evenly scattered inside the concrete structure (12), and stainless steel reinforcing steel bars are also wrapped inside the concrete structure (12); the stainless steel reinforcing steel bars comprise a plurality of carrying steel bars (13) and a plurality of stirrups (14); the carrying steel bars (13) are distributed in the circumferential direction of the barrel body (11) at intervals, and the stirrups (14) are distributed annularly at intervals in a manner of being vertical to the axial direction of the barrel body (11). The floating barrel and the wind turbine generator have better corrosion resistance, durability and structural strength, and are suitable for the working environment with complex sea stress condition, high humidity and high salt mist.



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TURBINE SYSTEM FOR SAVING ENERGY IN A VEHICLE

NºPublicación: US2019016212A1 17/01/2019

Solicitante:
ALBRECHT PETER [DE]

Resumen de: US2019016212A1

The invention relates to a turbine system for fuel saving in a vehicle, wherein the turbine system comprises a turbine and a turbine mount with a windshield, wherein the windshield and the wind turbine have a cross-sectional area, which is at least 60%, preferably at least 80% and more preferably 90% of the frontal projection area of the vehicle and the wind turbine by means of the turbine mount can be attached or is mounted on the front of the vehicle and/or on a chassis in front of the vehicle front.



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HYDROSTATIC NON-CONTACT SEAL WITH OFFSET OUTER RING

NºPublicación: US2019017606A1 17/01/2019

Solicitante:
UNITED TECH CORPORATION [US]

Resumen de: US2019017606A1

A non-contact seal assembly includes a plurality of seal shoes arranged about a centerline in an annular array, the seal shoes including a first seal shoe extending axially along the centerline between a first shoe end and a second shoe end. The non-contact seal assembly may comprise a seal base circumscribing axially offset from the annular array of the seal shoes. The non-contact seal assembly may further comprise a plurality of spring elements, each of the spring elements radially distal from and connecting to a respective one of the seal shoes, and each of the plurality of spring elements is axially adjacent to the seal base.



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Bulkhead Arrangement for a Wind Turbine Blade

NºPublicación: US2019017493A1 17/01/2019

Solicitante:
LM WP PATENT HOLDING AS [DK]

Resumen de: US2019017493A1

A bulkhead assembly for a wind turbine blade is described, wherein a pressure relief conduit is provided at the bulkhead to allow for pressure to equalise across the bulkhead. This helps to prevent faults or cracks in the bulkhead assembly due to differences in pressure on either side of the bulkhead. Furthermore, liquid traps and/or filter media can be accommodated in the conduit to prevent the passage of liquids or other matter across the bulkhead.



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CLAMPING APPARATUS FOR POSITIONING A MAIN BEARING OF A WIND TURBINE DURING AN INSTALLATION AND/OR REPAIR PROCEDURE

NºPublicación: US2019017552A1 17/01/2019

Solicitante:
GEN ELECTRIC [US]

Resumen de: US2019017552A1

A clamping apparatus for positioning a main bearing of a wind turbine includes a push component arranged between a main flange of a main shaft of the wind turbine and a cover of the main bearing. Further, the clamping apparatus includes a spacer plate located within a gap between the cover and the main bearing. As such, the push component is configured to apply a force to the cover so as to push the spacer plate against the main bearing such that the main bearing is pushed into and secured in place.



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CLIMB ASSIST VELOCITY CONTROL

NºPublicación: US2019017325A1 17/01/2019

Solicitante:
SAFEWORKS LLC [US]

Resumen de: US2019017325A1

A climb assist system dynamically adjusts a rate and a level of load assist that the system provides to a climber during traverse of a structure. The system includes a load sensor system configured to detect the state of the climber, such as the load applied by the climber to an assist rope, to provide an upward support force on the climber to compensate the climber's weight. Additionally, the system includes a sender configured to transmit data to a receiver of the system. The system includes a controller configured to interpret the received data and thereafter provide control through a controlled motor and drive system to provide load assist to the climber. A safety function of the system is configured to receive data indicative of a rate of descent of the climber, and slow or stop the descent if one or more conditions are met.



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WIND GATHERING DEVICE

NºPublicación: US2019017491A1 17/01/2019

Solicitante:
HONGMAN CO LTD [TW]

Resumen de: US2019017491A1

A wind gathering device has a casing and a guiding sleeve, both of which have a trumpet-shaped air inlet and a flange formed annularly around an edge of the air inlet. The guiding sleeve is mounted in the casing and protrudes out of the air inlet of the casing. An annular inlet is annularly formed between the two flanges and extends into a space between an inner wall of the casing and an outer wall of the guiding sleeve. When the wind flows in a direction inclined relative to an axis of the guiding sleeve, the wind may directly enter the annular inlet or hit the two flanges and then shift direction to enter the annular inlet. The wind gathering device can effectively gather wind in various directions to increase the amount of the received wind of the generator.



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SYSTEM AND METHOD FOR SUSPENDING A ROTOR BLADE OF A WIND TURBINE UPTOWER

NºPublicación: US2019017495A1 17/01/2019

Solicitante:
GEN ELECTRIC [US]

Resumen de: US2019017495A1

A method for suspending a rotor blade uptower includes mounting a first end of a support structure at a first uptower location of the wind turbine. The method also includes securing the rotor blade to a second end of the support structure. Further, the method includes mounting at least one pulley block assembly between a second uptower location and the support structure. Moreover, the method includes routing at least one pulley cable from at least one winch over the at least one pulley block assembly. In addition, the method includes detaching the rotor blade from the hub of the wind turbine. Once the rotor blade is detached, the method includes rotating the support structure about the first end via coordinated winch operation so as to lower the rotor blade a predetermined distance away from the hub. Thus, the method also includes suspending the rotor blade at the predetermined distance away from the hub via the support structure.



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ELECTRIC GENERATOR HAVING MULTIPLE ELECTRICAL MACHINES

NºPublicación: US2019020236A1 17/01/2019

Solicitante:
DDIS [FR]

Resumen de: US2019020236A1

An electric generator that converts mechanical energy to electrical energy includes, among other things, a first axial flow electrical machine that includes a first rotor mounted in rotation about a first axis and surrounding a first stator; a second axial flow electrical machine that includes a second rotor coaxial to the first rotor and surrounding a second stator; and first azimuthal securing means that joins together the first and second rotors so that the first and second rotors can be simultaneously set in rotation about the first axis. The electrical generator may be used as part of a wind turbine.



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REMAINING LIFE ASSESSMENT APPARATUS AND METHOD AS WELL AS WIND TURBINE GENERATOR SYSTEM

NºPublicación: US2019018403A1 17/01/2019

Solicitante:
HITACHI LTD [JP]

Resumen de: US2019018403A1

To provide high-accuracy assessment of a remaining life of a composite material structure. A remaining life assessment system 5 for composite material structure includes: a load history assessment part 7 that calculates a history of load on a composite material based on output from a first sensor attached to the composite material; a state quantity assessment part 10 that calculates a state quantity of the composite material based on output from the first sensor or a second sensor; a state quantity change database 13 that holds previously recorded relation between the load history and the state quantity of the composite material; and a comparative assessment part 12 that compares the calculated load history and state quantity with the load history and state quantity stored in the state quantity change database 13.



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SERVO GOVERNOR BY PWM

NºPublicación: US2019017520A1 17/01/2019

Solicitante:
FALLAHI SHAHIN [IR]

Resumen de: US2019017520A1

A servo actuator is provided which may comprise a controller configured to control a plurality of solenoid valves based upon an output signal. The plurality of solenoid valves may be used to control the position of the object. For example, a set of solenoid valves, of the plurality of solenoid valves, may be configured to conduct fluid from a tank into a first chamber of the cylinder, conduct fluid from the tank into a second chamber of the cylinder, conduct fluid from the second chamber of the cylinder into a first solenoid valve and/or conduct fluid from the first chamber of the cylinder into the first solenoid valve. The first solenoid valve, of the plurality of solenoid valves, may be configured to conduct fluid from the set of solenoid valves into a vent valve based upon a pulse width modulation (PWM) signal received from the controller.



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RAM AIR TURBINE BLADES

NºPublicación: US2019017492A1 17/01/2019

Solicitante:
HAMILTON SUNDSTRAND CORP [US]

Resumen de: US2019017492A1

A ram air turbine (RAT) is provided and includes a turbine assembly including blades and a hub to which the blades are connected, a generator or a pump and a drivetrain mechanically interposed between the turbine assembly and the generator or the pump. Each blade includes an exterior, airfoil-shaped structure defining an interior and support structures disposed within the interior which connect with an inner surface of the exterior, airfoil-shaped structure and which define hollow regions within the interior.



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COMPOUND MAIN BEARING ARRANGEMENT FOR A WIND TURBINE

NºPublicación: US2019017496A1 17/01/2019

Solicitante:
GEN ELECTRIC [US]

Resumen de: US2019017496A1

A drive train of a wind turbine is disclosed as having a rotatable hub, a gearbox, a rotatable rotor shaft extending between the rotatable hub and the gearbox, and a main bearing assembly supporting the rotatable rotor shaft, the main bearing assembly having a main bearing housing enclosing one or more compound bearings, each of the one or more compound bearings having at least two axial thrust bearings and a radial bearing.



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MODULAR AND EASILY REMOVABLE MOUNTING APPARATUS FOR BIRD HOUSE AND BIRD FEEDER

NºPublicación: US2019017652A1 17/01/2019

Solicitante:
HOSSAIN AKRAM [US]
PILLARISETTY VIVEK [US]

Resumen de: US2019017652A1

This invention of mounting apparatus has quick release, enhanced stability against high wind velocity, extended life cycle, and ground animal tamper proof for birdhouse and bird feeder. This design of inner plate mechanism provides higher contact area and distributes pressure on the mounting pipe that allows all the above advantages. These set of mounting apparatus allows for different angular orientation, vertical position, and can also be used for other applications.



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WIND ENERGY TO COMPRESSED AIR CONVERSION SYSTEM TO EXTEND WIND TURBINE POWER GENERATION CAPABILITIES

NºPublicación: US2019017494A1 17/01/2019

Solicitante:
UNIV NEBRASKA [US]

Resumen de: US2019017494A1

A system can include a wind turbine and a generator coupled with the wind turbine for converting wind energy to electrical energy. The system can also include a variable displacement machine configured to use the wind energy to compress a fluid (e.g., when the wind energy exceeds a capacity limit of the generator). The variable displacement machine can also be coupled between the generator and the storage tank and configured to use the compressed fluid to furnish power to the generator (e.g., when the generator experiences a capacity vacancy). The system can also include a storage tank for storing fluid compressed by the variable displacement machine. A variable displacement machine that can be used as a compressor or an expander may include pistons that can be shifted (e.g., to adjust the strokes of the pistons). Further, the variable displacement machine can include a plate with a wobble angle that can be adjusted to be positive, neutral, or negative.



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Method for handling a wind turbine blade

NºPublicación: AU2016412179A1 17/01/2019

Solicitante:
SOLETANCHE FREYSSINET

Resumen de: AU2016412179A1

In order to handle a wind turbine blade between the ground and a rotor of an electric generator mounted on a nacelle (15) at the top of a tower (10), the blade (25) is retained in a support (40) that is mounted on a trolley (30) arranged against the tower. The trolley is moved and guided along the tower using at least one cable (32, 33) which is angled in such a way as to apply a force having a horizontal component in the direction of the tower to the trolley.



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A wind turbine pitch device and a wind turbine

NºPublicación: AU2017390078A1 17/01/2019

Solicitante:
BEIJING GOLDWIND SCIENCE & CREATION WINDPOWER EQUIPMENT CO LTD

Resumen de: AU2017390078A1

The present application provides a wind turbine pitch device and a wind turbine, wherein the pitch device may comprise a disk driving structure, a crank, a connecting rod, a slider, a 5 guide rail, and a driving motor. The disk driving structure may be fixedly mounted on the blade and perpendicular to an axis of the pitch bearing; one end of the crank may be fixedly connected to the disk driving structure; one end of the connecting rod may be hinged to the other end of the crank; the slider may be hinged to the other end of the connecting rod; the guide rail may be arranged on the hub and sliding fit with the slider; and the driving motor 10 may drive the slider to move along the guide rail. The present application provides a wind turbine pitch device and a wind turbine which may implement a pitching of the wind turbine and have a simple structure, while it may not be required to drive a pitch system in a hydraulic manner. There may be no leakage and replacement of hydraulic oil, which may reduce a maintenance cost of the wind turbine, and oil-resistant electrical equipment and 15 cables may not be required, thus the adaptability of the wind turbine may be better. [Fig. 1]



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Method of design and manufacturing concrete structures based on the verification of concrete fatigue strength by test

NºPublicación: AU2017278154A1 17/01/2019

Solicitante:
PACADAR SA

Resumen de: AU2017278154A1

Method of design and manufacturing concrete structures subjected to relevant cyclic loads along their service lives, as wind towers, and a fatigue testing machine. The method consists on the design of concrete structures conditioned by cyclic loads considering a fatigue strength value specified by the project as one of the main design parameters, which will be verified during the manufacturing phase as one of the control parameters of the quality assurance plan by performing fatigue strength test on concrete samples representative of the concrete structural elements produced on said manufacturing phase. The method allows to decouple the concrete fatigue strength from the compressive strength of the material, which is why includes a verification of the fatigue strength as a part of a quality assurance plan of production according to a new developed procedure.



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Vortex station

NºPublicación: AU2017293758A1 17/01/2019

Solicitante:
AUCKLAND UNISERVICES LTD

Resumen de: AU2017293758A1

This invention relates to a vortex station and method for producing a vortex similar to one of a group consisting of dust-devils and waterspouts. The apparatus comprises a ground platform forming a base for the vortex station, a plurality of vanes to direct an air flow into a vortex station and about the vortex station in a substantially swirling manner, at least one wind turbine disposed near the centre of said vortex station, in a path of a concentrated air flow, wherein the movement of the air in the vortex station is such that an atmospheric buoyancy vortex is created in the centre of the vortex station, a supply of a working fluid (e.g. water) to the vortex station at or near the centre of the vortex station such that the air is of a saturated condition or an at least partially saturated condition with the working fluid (e.g. water), the working fluid (e.g. water) supplied at a sufficient quantity or amount so as to assist with maintaining buoyancy and stability of a vortex created.



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Method and apparatus for monitoring formation of ice on wind turbine blade

Nº publicación: AU2017401053A1 17/01/2019

Solicitante:
BEIJING GOLDWIND SCIENCE & CREATION WINDPOWER EQUIPMENT CO LTD

Resumen de: AU2017401053A1

A method and apparatus for monitoring formation of ice on a wind turbine blade are provided. The method includes: capturing an image of the blade through a camera; detecting a 5 region of the blade from the captured image; clearing image information of a background region from the captured image, which is in the captured image except for the region of the blade, to obtain a blade image; and inputting the obtained blade image into a recognition model of ice on a blade obtained by training on a sample set, to determine whether ice is on the captured blade, wherein the sample set comprises a plurality of blade images indicating that ice 10 is on blades. - 27 -


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