Entries |
Document | Title | Date |
20080298967 | Wind turbine blade with anti-noise devices - A wind turbine comprising at least a blade ( | 12-04-2008 |
20090053062 | Lightning Protection Device of Windmill Blade - The present invention proposes a lightning protection device of a windmill blade, comprising a tip receptor assembly having receptors which are mounted, in particular to, the tip end part of the blade where the blade profile becomes smaller, and having a simple structure so as to be readily assembled, and an intermediate receptor assembly having a receptor which is set at the outer surface of the blade so as to exhibit an effective countermeasure against increasing of the air pressure in the blade upon a lightning striking upon the blade, a lightening current being discharged to the ground from the receptors through connection equipment such as lead wires laid through the inside of the blade the windmill body and bypass brushes, characterized in that a base plate made of an electrically conductive material and connected thereto with the lead wires is embedded in the blade, and the receptors are secured and supported to the base plate, being exposed at the outer surface of the blade. Further, the present invention also proposes a method of assembling the lightning protection device. | 02-26-2009 |
20090129927 | Wind Power Plant with Lightning Protection Arrangement - A wind power plant ( | 05-21-2009 |
20090148290 | WIND TURBINE AND METHOD OF OPERATING SAME - A turbine blade assembly includes a turbine blade and a moveable surface supported for lateral displacement across the turbine blade. A wind turbine include a base structure, a turbine body and a turbine blade assembly operatively connected to the turbine body. A method of operating a wind turbine is also included. | 06-11-2009 |
20090196751 | WIND TURBINE BLADE WITH LIGHTNING RECEPTOR - A wind turbine blade having two shell portions bonded together to form a wind turbine blade having an interior space having an axial length. A web disposed between the shell portions in the interior space and extending substantially the axial length thereof. Lightning receptors are disposed on the shell portions and a conductor is disposed in the interior space. The conductor is configured to contact the lightning receptors. One shell portion of the two shell portions has a removable section, e.g. a plug, receptor or panel, to provide access to the opposite conductor. A cable mounted on the web is configured to extend substantially the axial length of the wind turbine blade and is in electrical contact with the conductor. | 08-06-2009 |
20090202350 | Handling System for a Wind Turbine Nacelle, Methods for Transport and Vertical Displacement of a Wind Turbine Nacelle and a Use of a Handling System - A handling system for a wind turbine nacelle in connection with self-loading or self-unloading of the nacelle to or from a vehicle. Two or more lifting apparatus are provided for displacing the nacelle substantially vertically during the self-loading or self-unloading of the nacelle. The lifting apparatus has displacing apparatus for displacing the lifting apparatus or a part of the lifting apparatus. A method for transport of a wind turbine nacelle, a method for vertical displacement of a wind turbine nacelle, and use of a handling system, are also disclosed. | 08-13-2009 |
20090202351 | WIND TURBINE BLADE WITH A LIGHT BEACON AT THE TIP - Wind turbine blade ( | 08-13-2009 |
20090246025 | WIND TURBINE PROTECTION - A lightning protection system for a wind turbine blade of a wind turbine includes a conductive lightning receptor for mounting at the surface of a turbine blade such that a portion of the lightning receptor projects beyond a trailing edge of the turbine blade when mounted at the surface. Another lightning protection system includes a lightning receptor that has a generally elongated shape and that is configured to be mounted such that the greatest dimension of the lightning receptor lies generally parallel to the direction in which the turbine blade is designed to move. | 10-01-2009 |
20100003138 | WIPER FOR WIND TURBINE BLADES - The present patent application concerns an apparatus for cleaning an outer surface of a rotor blade of a wind turbine, the apparatus comprising a first frame and a cleaning device, the cleaning device being adapted to conform to the outer surface and connected to the first frame, wherein the apparatus is adapted to be slidably positioned on the outer surface of the rotor blade, to slide along, and to be pressed onto the outer surface. Further, it concerns an apparatus for cleaning a leading edge of a rotor blade of a wind turbine, the apparatus comprising a first frame and a cleaning device, the cleaning device being adapted to conform to the leading edge and being connected to the first frame, wherein the apparatus is adapted to be slidably positioned on the leading edge of the rotor blade, to slide along and to be pressed onto the leading edge during standstill of a wind rotor comprising the rotor blade. Finally, it concerns a rotor blade of a wind turbine comprising an apparatus for cleaning a leading edge of the rotor blade, wherein the apparatus is mounted on said rotor blade, the apparatus comprising a first frame and a cleaning device, the cleaning device being adapted to conform to the leading edge and being attached to the first frame, wherein the apparatus is adapted to be slidably positioned on the leading edge of the rotor blade, to slide along and to be pressed onto the leading edge during rotation of a wind rotor comprising the rotor blade. | 01-07-2010 |
20100028152 | Wind-turbine rotor-blade hoisting apparatus, method for attaching wind-turbine rotor blade, and method for constructing wind power generator - The present invention provides a wind-turbine rotor-blade hoisting apparatus that enables attachment and removal of wind-turbine rotor blades without using a plurality of heavy machines and that enables attachment and removal of wind-turbine rotor blades on a site having a complex land shape with little flat land, a method for attaching a wind-turbine rotor blade, and a method for constructing a wind power generator. The present invention is characterized in that it includes a sheave ( | 02-04-2010 |
20100047070 | OPTIMISED WIND TURBINE BLADE - The invention relates to an optimised wind turbine blade including: a first component ( | 02-25-2010 |
20100068059 | Lightning Protection System for a Wind Turbine - A lightning protection system is provided for protecting a device for exterior use, in particular a wind turbine, from damages based on a lightning stroke. The lightning protection system includes a choke element. The choke element is adapted for being mounted around a shaft of the device in such a manner that a current flow through the shaft causes a magnetic flux in the choke element. | 03-18-2010 |
20100143134 | METHOD AND APPARATUS FOR USE IN PROTECTING WIND TURBINE BLADES FROM LIGHTNING DAMAGE - A method and apparatus facilitate protecting wind turbine blades from lightning damage. A turbine blade for use with a wind turbine includes a first sidewall and a second sidewall. The second sidewall is coupled to the first sidewall along a leading edge and along an axially-spaced trailing edge such that a cavity is defined between the first and second sidewalls. A relief system is coupled to at least one of the first and second sidewalls. The relief system is configured to discharge flow from the cavity when a pressure within the cavity exceeds a predetermined threshold. | 06-10-2010 |
20100183443 | INTEGRATED WIND TURBINE AND SOLAR ENERGY COLLECTOR - A system for collecting wind and solar energy including a tower, a wind turbine, and a solar energy collector. The solar energy collector has a vertically oriented frame attached to the wind turbine. The solar energy collector is rotatably coupled to the bottom end of the tower to enable the vertically oriented frame and the wind turbine to rotate together about the tower axis. The vertically oriented frame has one or more photovoltaic panels for collecting solar energy. The solar energy collector can act as a wind foil to rotate the attached wind turbine in the direction of the wind. Alternatively, a motor can rotate the solar energy collector and wind turbine. | 07-22-2010 |
20100232963 | STRUCTURAL MONITORING - A load monitoring system for wind turbine blades utilizes optical fibre strain sensors ( | 09-16-2010 |
20100247314 | Wind Turbine Blade Comprising a Trailing Edge Flap and a Piezoelectric Actuator - A wind turbine blade comprises a main blade body and trailing edge section movably connected to the main blade body, and an actuator structure internally within the blade. The actuator interconnects the trailing edge section and the main blade body, and it comprises a stack of a plurality of piezoelectric elements, so that the stack of piezoelectric elements is capable of operating as a linear actuator. The actuator structure is arranged such that it is capable of causing the trailing edge section to move or deform relative to the main blade body in response to aerodynamic loads on the blade. The actuator structure is controllable by a control system applying a voltage to the stack of piezoelectric elements in response to, e.g., detected wind or load characteristics. | 09-30-2010 |
20100254813 | WINCH SERVICING OF WIND TURBINES - A wind turbine with a nacelle, a base, and a plurality of blades operably connected around a turbine hub is described. The wind turbine is configured to house a winch mechanism for servicing a portion of a blade. The winch mechanism may have any of a number of components or configurations. Features included as part of a winch mechanism are a winch, a cable, pulleys and a securing element. Methods of servicing blades of a wind turbine with the winch mechanism including repair, removal, installation, replacement of the blades is also described. The winch mechanism may be removably or statically housed in the wind turbine for performing of the described methods and may be mounted by hoisting through the tower. A device for temporarily applying attachment points to a wind turbine blade, such that the attachment points can be remotely removed, is also described. | 10-07-2010 |
20100272569 | Lighted pole fan - A lighted pole assembly comprising a weighted base, a base pole attached to the base, a mid pole telescopically attached to the base pole and a spring in the base pole section compressed by the mid-pole section to form a spring loaded connection. An electrical cord provided through the center of the base pole, connection and mid-pole, a fan assembly connected to a top end of the mid-pole, an umbrella provided on an upper portion of the fan assembly. | 10-28-2010 |
20100272570 | LIGHTNING PROTECTION SYSTEM FOR SECTIONAL BLADES - Additional lightning protection system for intermediate wind turbine blade joints comprises a metal fairing that covers the blade connector elements while shielding and protecting the internal connector elements from getting hit by lightning. | 10-28-2010 |
20100310375 | Service Lift in Wind Turbines - An elevator system for a wind turbine is provided. The elevator system comprises a suspension device and an elevator car. The elevator car is suspended to the suspension device wherein the suspension device is mountable to a mounting section of a nacelle of the wind turbine. | 12-09-2010 |
20100310376 | Hydrokinetic Energy Transfer Device and Method - A hydro or aero kinetic energy device ( | 12-09-2010 |
20100329865 | LIGHTNING PROTECTION MESH - A lightning protection mesh for a blade of a wind turbine comprising a first set of wires running in a first direction, and a second set of wires running in a second, different direction. The mesh has at least one tapered end at which wires from at least one of the first and second set of wires run together. The total conducting cross-sectional area formed by the wires in the tapered end is maintained within the tapered end, and the wires are bundled at the tapered end to provide an electrical connection to the mesh. | 12-30-2010 |
20110058945 | ELECTRONIC DEVICE - An electronic device including a frame, a fan, and at least one light emitting component or light guiding component is provided. The fan is pivotally connected to the frame, and the at least one light emitting component or light guiding component is disposed on at least one of the frame and the fan. | 03-10-2011 |
20110064579 | Active Twist Hollow Beam System - A system for actively controlling the span-wise rotational twist of a hollow beam along its longitudinal axis, including a hollow beam structure having a leading edge and a trailing edge region, the beam being split along its length, an actuator arranged between split surfaces of the beam, the actuator adapted to move the split surfaces in a longitudinal direction relative to each other, inducing a twist in the beam. In one embodiment, the actuator is a plurality of thermal expansion material blocks alternating with mechanical compression blocks, the thermal expansion material blocks being heated to cause expansion in the spanwise longitudinal direction. Other alternative actuators include a rotary actuators such as a threaded screw, piezoelectric or magnetostrictive blocks, a hydraulic actuator, or a pneumatic actuator. In an embodiment, the beam is an airfoil shape. | 03-17-2011 |
20110085908 | Modular fan blade with combined electrical and mechanical connection system - A fan blade assembly having both an electrical connection and a mechanical connection to a rotating hub. The assembly is configured so that a single installation motion creates the mechanical connection and the electrical connection. The electrical connection preferably includes multiple independent conductor paths. | 04-14-2011 |
20110116929 | LIGHTNING DIVERTER FOR CONDUCTING A LIGHTNING-INDUCED ELECTRICAL CURRENT AND A METHOD OF PRODUCING THE SAME - The present invention concerns a method of producing a lightning diverter for conducting a lightning-induced electrical current, which is to be placed on structures such as wings on wind turbines, aircraft components, radomes and the like with the purpose of lightning protection. The method comprises the steps of making a plurality of holes in a plate of an electrically conductive material, filling said holes at least partly with one or more electrically non-conductive materials, and then finally dividing the plate—preferably into strips. The lightning diverter obtained hereby consists of a layer of electrically non-conductive material with a plurality of isolated segments of electrically conductive material. | 05-19-2011 |
20110135478 | NACELLE TRAVELLING CRANE - The present invention relates to an overhead travelling crane ( | 06-09-2011 |
20110142643 | LIGHTNING PROTECTION FOR WIND TURBINES - A rotor blade for a wind turbine is provided. The rotor blade includes a rotor blade body, at least one receptor adapted to be a location for lightning impact, and at least one down conductor connected to the receptor and located within the rotor blade body. The down conductor includes a first conductor connected to the receptor and a ground connection of the wind turbine, and a second insulated conductor connected to the receptor and a non-grounded location of the wind turbine. A path is formed from the ground connection of the first conductor to the non-grounded location of the second insulated conductor. This path facilitates a continuity test used to evaluate a condition of the lightning protection system. | 06-16-2011 |
20110142644 | WIND TURBINE ROTOR BLADES WITH ENHANCED LIGHTNING PROTECTION SYSTEM - A wind turbine rotor blade includes a plurality of lightning receptors configured along either or both of the pressure side or suction side of the blade. At least one looped lightning conductive circuit is provided, with the lightning receptors configured in communication with a respective lightning conductive circuit. The lightning conductive circuit has terminal ends that extend through the root for connection of each terminal end with a grounding system within the wind turbine. The looped lightning conductive circuit provides a redundant path to each lightning receptor for conducting a lightning strike to ground. | 06-16-2011 |
20110150653 | Plasma Induced Flow Control of Boundary Layer at Airfoil Endwall - Plasma generators ( | 06-23-2011 |
20110200435 | SERVICE CRANE FOR A WIND TURBINE - The present invention relates to a service crane for a wind turbine comprising a nacelle and a hub. One or more wing blades is attached to the hub via a wing pitch bearing, and the service crane comprises an attachment foundation for connection to the hub. The service crane is adapted to be mounted on the wind turbine during operation and to be dismounted when not being used. The attachment foundation of the service crane is mounted on the hub of the wind turbine via the wing pitch bearing. | 08-18-2011 |
20110243737 | METHOD AND SYSTEM FOR SECURING LIGHTING PROTECTION CABLES IN A WIND TURBINE ROTOR BLADE - A plurality of lightning receptors are configured along either or both of the suction side and pressure side shell members of a wind turbine blade. At least one lightning protection cable is disposed within the internal cavity of the blade, with the receptors in electrical conductive contact with the lightning protection cable. A plurality of cable attachment devices are disposed and spaced apart along either or both of the shell members. The attachment devices include a base that is fixed to the respective shell member and a receiver configured on the base that engages and supports the lighting protection, wherein the plurality of attachment devices intermittently support the lightning protection cable within the internal cavity of the blade. | 10-06-2011 |
20110255974 | CONFIGURABLE WINGLET FOR WIND TURBINE BLADES - A wind turbine includes a plurality of rotor blades for converting wind energy to rotational energy. The rotor blades have winglets that are configurable. A sensor senses a parameter and generates a sensed signal indicative of the parameter. A processor receives the sensed signal for generates an actuator signal in response thereto. An actuator is associated with each of the winglets for configuring the winglets in response to the actuator signal. | 10-20-2011 |
20110293424 | Charge initiated lightning protection system for a wind turbine blade and wind turbine blade with the charge initiated lighting protection system - A lightning protection system is provided for a wind turbine blade via charge initiation (Charge Initiated Lightning Protection). The lightning protection system includes at least one electric charge generator for generating electric charge at a lightning receptor of the wind turbine blade such that an electrostatic field is generated at the lightning receptor leading lightning current directly to the lightning receptor. Additionally a wind turbine blade having at least one such lightning protection system is provided. | 12-01-2011 |
20110305573 | Lightning protection system for a wind turbine - A lightning protection system for a wind turbine with a tower, a nacelle, a blade hub and a blade attached to the blade hub is provided. The lightning protection system includes an inner conductor inside the blade, an outer conductor arranged outside the blade and in electrical communication with the inner conductor, a collecting conductor arranged at the front end of the nacelle and in electrical communication with the outer conductor and a down-conductor connected to ground and in electrical communication with the collecting conductor. The outer conductor and the collecting conductor have substantially a same distance to the rotational axis. Further, a wind turbine with such a lightning protection system is provided. | 12-15-2011 |
20110305574 | Rotor Blade Assembly - A rotor blade assembly is provided that includes a rotor blade and a rotor blade tip member. The rotor blade is provided with an integrated lightning down conductor and is attachable or attached to a rotor hub of a wind turbine. The rotor blade tip member is made of an electrically insulating material and is detachably attached or adapted to be detachably attached to a free ending of the rotor blade by a connecting device. The connecting device is a wire or a rod made of an electrically conductive material establishing or adapted to establish a mechanical and electrical connection of the rotor blade tip member with the lightning down conductor of the rotor blade. | 12-15-2011 |
20120003094 | WIND TURBINE BLADE WITH A LIGHTNING PROTECTION SYSTEM - The invention relates to a wind turbine blade with a lightning protection system, where the blade comprises a shell body made of a composite material and comprises a longitudinal direction with a root end and a tip end. The blade further comprises a profiled contour including a pressure side and a suction side, as well as a leading edge and a trailing edge with a chord having a chord length extending there between, the profiled contour, when being impacted by an incident airflow, generating a lift. The lightning protection system comprises at least one lightning receptor arranged freely accessible in or on the shell unit surface at or in the immediate vicinity of the tip of the blade. The lightning protection system further comprises a lightning down conductor made of electrically conductive material extending within the shell body from the lightning receptor to the root end of the blade. The lightning receptor and the lightning down conductor are electrically connected. The shell body comprises at least a first conductive layer extending along at least a longitudinal part of the lightning down conductor in a transverse distance therefrom. The first conductive layer is electrically isolated from the lightning down conductor and from the lightning receptor, and has a sheet resistance in the range 1-5 Mega Ohm per square. | 01-05-2012 |
20120020791 | RECEPTOR FOR WIND TURBINE BLADE LIGHTNING PROTECTION - A receptor assembly for lightning protection of an object, such as a wind turbine blade, includes a receptor disk configured to be placed on a surface of the object, a receptor block insulator with an integral receptor block, a cover that engages the receptor block insulator, and a cap that engages the cover. The receptor disk and the receptor block may be made of electrically conductive materials, and the cover, and the cap, and the receptor block insulator may define a chamber among them that is lined with an electrically-conductive coating sandwiched between relatively high dielectric media to electrically isolate and shield internal parts of the receptor assembly from receiving a lightning strike directly. | 01-26-2012 |
20120027594 | ARRANGEMENT FOR LIGHTNING PROTECTION - An arrangement for a lightning protection of a wind turbine blade is provided. According to the arrangement, the blade of the wind turbine is extended by a shaped winglet. A first lightning receptor is arranged at a tip end region of the blade. A second lightning receptor is arranged at the winglet. | 02-02-2012 |
20120057978 | WIND TURBINE WITH LOW ELECTROMAGNETIC RADIATION - The invention provides a wind turbine with a lightning arrester system including one or more lightning receptors (R) mounted on one or more rotor blades. A down conductor electrically connects one or more lightning receptors (R) to electrical ground via a sliding contact arrangement (SC), and an electromagnetic radiation (EM) reduction device encircles a portion of the down conductor so as to reduce EM radiation from the down conductor due to static electric discharges caused by imperfect electric contact in the sliding contact arrangement (SC). Known types of EM radiation reduction devices in the form of commercially available common mode choke coils, cylindrically shaped nano-crystalline solid body types, or the like, can be used. A plurality of different types with different EM radiation reduction properties can be used in combination. To obtain more effective EM radiation reduction, a plurality of EM radiation reduction devices can be used, e.g. positioned at several portions of the down conductor, especially close to sliding contact arrangements (SC). | 03-08-2012 |
20120063898 | POWER GENERATING APPARATUS OF RENEWABLE ENERGY TYPE - It is intended to provide a power generating apparatus of renewable energy type in which a hydraulic pipe between a hydraulic pump installed inside a nacelle and a hydraulic motor installed near a bottom part of a tower can handle the turning motion of the nacelle. In the power generating apparatus of renewable energy type ( | 03-15-2012 |
20120063899 | TURBO FAN AND AIR CONDITIONING APPARATUS - A blade front edge of a turbo fan has, between a main-plate-side blade front edge and a shroud-side blade front edge, a projecting blade front edge which distances away from a blade rear edge (located in a rotation direction A) as it furthers away from a main plate, which curves to a position away from a rotation center, and, in a range close to the main plate, a main-plate-side front-edge skirt portion which distances away from the blade rear edge and inclines away from the rotation center as it becomes closer to the main plate. On the other hand, a main-plate-side blade rear edge, which is a range close to the main, plate of the blade rear edge, is substantially perpendicular to the main plate and a shroud-side blade rear edge, which is a range close to a shroud, is inclined so as to gradually distance away from the blade front edge (behind in the rotation direction A) as it furthers away from the main plate. | 03-15-2012 |
20120093651 | WIND TURBINE BLADE HAVING A HINGED CONNECTION APPARATUS PROVIDING ELECTRICAL PROTECTION - A hinged connection apparatus is described for securing a first wind turbine component to a second. The first wind turbine component may be a wind turbine blade and the second wind turbine component may be a control surface such as an aileron. The first or second wind turbine component comprises at least one hinge housing ( | 04-19-2012 |
20120128493 | HYBRID FREE-AIR GAS TURBINE ENGINE - An alternate means of generating the power to drive the compressor section of gas turbine engines is described. Electric motors embedded within gas turbines would rotate the compressor, and receive the requisite power to perform the compression work from: 1) either a high-capacity APU generator, or 2) from a relative-wind driven turbine in a hybrid power-sharing arrangement. The electric motor provides enhanced control of N | 05-24-2012 |
20120134826 | LIGHTNING CONDUCTION SYSTEM FOR WIND TURBINE BLADES WITH CARBON FIBER LAMINATES - Lightning rod system for wind turbine blades formed by various connections set up on carbon fiber laminates ( | 05-31-2012 |
20120141277 | Integrated Lightning Receptor System and Trailing Edge Noise Reducer for a Wind Turbine Rotor Blade - A rotor blade assembly for a wind turbine includes a rotor blade having a pressure side member, a suction side member, a leading edge, and a trailing edge extending between a tip and a root. An electrically conductive band extends longitudinally on either or both of the pressure side member and suction side member along the trailing edge. A plurality of electrically conductive noise reduction features extend from the trailing edge and are configured as individual lightning strike receptors. The noise reduction features are configured in conductive communication with the conductive band. | 06-07-2012 |
20120163977 | FAN - An annular nozzle for a ceiling fan includes an inner wall defining a bore having a bore axis, an outer wall extending about the inner wall, an air inlet for receiving an air flow, and an air outlet section extending between the inner wall and the outer wall. The air outlet section defines an air outlet for emitting the air flow. An interior passage extends about the bore axis for conveying the air flow to the air outlet. The air outlet section is configured to emit the air flow away from the bore axis. | 06-28-2012 |
20120201679 | WIND TURBINE TORQUE LIMITING CLUTCH SYSTEM - An asymmetric torque limiting coupling system for use on wind turbines, in which a forward torque limiting clutch and a reverse torque limiting clutch are provided in paired relation, with the reverse torque limiting clutch having a characteristic slip torque that is significantly less than that of the forward torque limiting clutch. In a specific embodiment disclosed, an asymmetric torque limiter interconnects a wind turbine with a generator shaft. The coupling includes an input housing and an output hub, with an overrunning mechanism interposed between the two. A first torque limiting mechanism is provided in series interconnection with the overrunning mechanism between the input housing and hub, while a second torque limiting mechanism is provided in parallel interconnection with the overrunning mechanism between the input housing and output hub. | 08-09-2012 |
20120219420 | LIGHTNING PROTECTION FOR A NACELLE OF A WIND TURBINE - A lightning protecting system for a nacelle of a wind turbine is described. The lightning protecting system includes a conductor device, which includes a core conductor, an isolating material surrounding the core conductor, and a shielding structure surrounding the isolating material, an input port, which is connected to a first end of the core conductor and which is adapted to be connected to the lightning rod, and an output port, which is connected to a second end of the core conductor and which is adapted to be connected to the support structure. Further described are a nacelle for a wind turbine, a wind turbine, a method for protecting a nacelle of a wind turbine, which all take benefit from the mentioned lightning protecting system. Furthermore, it is described a use for the mentioned lightning protecting system. | 08-30-2012 |
20120243997 | Wind turbine blade with lightning receptor and method for protecting the surface of a wind turbine blade - A wind turbine blade has at least one lightning receptor, wherein at least part of a surface of the wind turbine blade close to the lightning receptor is covered by a protective layer having electrical and thermal insulating material. Moreover, a method for protecting the surface of a wind turbine blade close to a lightning protector against temperature increase resulting from lightning impact is disclosed. At least part of the surface of the wind turbine blade is covered with a protective layer having electrical and thermal insulating material. | 09-27-2012 |
20120251319 | Chopper Pump With Cutting Inserts - A chopper pump with scissoring back cutters and having a housing with an intake opening and an outlet opening, both in fluid communication with an internal chamber, and an impeller assembly positioned within the chamber, is disclosed. Generally speaking, the impeller assembly comprises an impeller attached to a rotatable pump shaft and includes a back shroud. An insert cutter positioned on a surface of the shroud opposite the impeller includes a cutting edge configured for shearing operation, while a stationary back plate having a surface adjacent to and facing the back shroud includes a cutting rib having a cutting edge configured for shearing operation. The insert cutter and cutting rib work jointly to create a cutting action as the impeller in the chamber. | 10-04-2012 |
20120257972 | Electrostatic charge de-ionizing lightning rod for protection of wind turbine generator blades and wind turbine generator with blades provide with electrostatic charge de-ionizing lightening rod - A lightning rod for blades of a wind turbine generator is attached to a corresponding blade, includes an exterior electrode of electric conductive material and mechanically resistant, preferably aluminium, separated by one or several isolating disks from an interior electrode, is connected through a mechanical or electric connector and the appropriate electric conductor to a conductor of the ground circuit, and is equipped with an LED battery and a probe for vibration control at the blade. | 10-11-2012 |
20120257973 | OFFSHORE WIND TURBINE HAVING A SUPPORT SYSTEM FOR INTERCHANGEABLE CONTAINERS, THE SUPPORT SYSTEM BEING COMBINED WITH A WAVE RUN-UP DEFLECTOR AND METHOD OF MANUFACTURING SAME - An offshore wind turbine comprising a tower, where said wind turbine at a level above sea level comprises at least one structure for storing at least one container, said container having the size and measures of a standard container, where said structure is arranged on the side of the tower, a method of manufacturing such a concrete structure for an offshore wind turbine. The structure for storing one or more containers includes a deck, and at least one bed for supporting at least one container along the containers lower surface and/or edges, where the structure is a concrete structure. By manufacturing the structure from concrete, a very robust and strong structure is achieved. | 10-11-2012 |
20120269631 | Lightning protection system for a wind turbine and wind turbine with a lightning protection system - A lightning protection system is provided for a wind turbine. The wind turbine has an electrically grounded structure part, a main shaft electrically and mechanically connected to the grounded structure part, a blade hub rotationally connected via a main bearing to the main shaft and blades connected to the blade hub. The lightning protection system includes a down-conductor attachable inside one of the blades and a high voltage conductor for guiding lightning current, wherein a first end of the high voltage conductor is in electrical communication with the down-conductor. The lightning protection system also includes a high voltage contact attachable inside the main shaft, wherein a second end of the high voltage conductor is in electrical communication with the high voltage contact. Lightning current is guided from the down-conductor via the high voltage conductor to the high voltage contact. | 10-25-2012 |
20120282097 | Lightning protection system for a wind turbine, wind turbine and method for protecting components of a wind turbine against lightning strikes - A lightning protection system for a wind turbine includes at least one insulated high-voltage cable, a pick-up unit and an additional insulated high-voltage cable. The at least one insulated high-voltage cable is electrically connected to a lightning receptor and to the pick-up unit. The pick-up unit is electrically connectable to an electrically grounded member by the additional insulated high-voltage cable. | 11-08-2012 |
20120282098 | SEALING DEVICE, INTEGRALLY BLADED ROTOR BASIC BODY, AND TURBOMACHINE - A sealing device for an integrally bladed rotor basic body of a turbomachine to suppress a gas exchange between a hot gas stream and a cooling air stream in the radial direction in contact areas of adjacent moving blades, including a plurality of sealing elements activatable by centrifugal force, which may be situated in the area of channels which extend from a high-pressure side to a low-pressure side and are peripherally delimited by the moving blades, an integrally bladed rotor basic body having such a sealing device, and a turbomachine having such an integrally bladed rotor basic body. | 11-08-2012 |
20120282099 | Service crane for a wind turbine - A service crane for a wind turbine is provided. The wind turbine includes a tower and a nacelle mounted to the top of the tower. The service crane is mounted to the nacelle and includes a boom, a hoist rope guided along the boom and a winch capable of reeling in and out the hoist rope for lifting or lowering a load. Furthermore, a nacelle is provided which includes a service crane mounted thereto. | 11-08-2012 |
20120301300 | LIGHTNING PROTECTION STRUCTURE OF BLADE FOR WIND POWER GENERATION - To effectively perform lightning protection in a blade for wind power generation and to prevent the blade from being damaged when arresting lightning. The lightning protection structure of the blade for wind power generation includes a conductive lightning receptor | 11-29-2012 |
20120321468 | WIND TURBINE BLADE WITH LIGHTNING PROTECTION SYSTEM - A wind turbine blade with a lightning protection for a blade with a shell body has at least one lightning receptor arranged freely accessible in or on a surface of the shell body surface, and a lightning down conductor electrically connected to the lightning receptor and comprising an inner conductor made of electrically conductive material imbedded in a bedding insulation made of an electrically non-conductive material. The lightning down conductor further includes a first conductive layer having a resistance in the range of 10 to 10,000 Mega Ohm per meter (MΩ/m). The first conductive layer is located in a transverse distance from the inner conductor and being electrically isolated from the inner conductor. | 12-20-2012 |
20130028739 | WIND TURBINE BLADE AND A LIGHTNING MEASUREMENT SYSTEM THEREIN - The invention generally relates to a blade for a wind turbine, and to a blade for a wind turbine comprising a lightning measurement system. In particular, a lightning measurement system is provided, comprising a lightning current sensor located in the blade for more accurate lightning measurements. A method of measuring a lightning strike is also provided. | 01-31-2013 |
20130034444 | Dispensing system for odor control with fan - Apparatus for dispensing fragrance from a refill component that is installed and removed along a vertical axis through an opening at the bottom of the housing of the apparatus. | 02-07-2013 |
20130084184 | RETENTION SYSTEMS - Retention systems are disclosed. In some embodiments, a retainer apparatus is configured to retain a battery of the type used to power a pitch-control drivetrain for adjusting a pitch angle of a wind-turbine rotor. In a working embodiment, the retainer apparatus has a separable housing member and sleeve member configured to matingly engage each other in an interlocking relationship and to define a retention chamber having an open interior region sized to receive the battery. Adjustable pitch rotors having one or more innovative retainer apparatus are also disclosed. Innovative principles disclosed herein can be adapted to retainers for a wide variety of retainable elements, other than batteries. | 04-04-2013 |
20130089423 | PROTECTIVE HELMET STAND - There is described a protective helmet stand including one or more support members. The stand is moveable between a collapsed configuration and an expanded configuration. In the expanded configuration the stand is arranged to receive and support a protective helmet using the one or more support members which are arranged to contact an outer surface of the protective helmet in use. In the collapsed configuration the stand has a maximum dimension of up to 10 cm. Thus the stand may easily fit into a user's pocket in the collapsed configuration. | 04-11-2013 |
20130149152 | Magnetically Assisted Kinetic Turbine System - A system accepts outside kinetic energy in various forms such as wind, rain or waterfall and produces electricity by use of traditional coils and magnets or other means. During lulls in obtaining outside kinetic energy, a wind wheel, water wheel or arm system will slow down and eventually stop. A system of magnets installed upon an arm system and upon a surrounding stationary housing | 06-13-2013 |
20130149153 | WIND TURBINE BLADE - The invention relates to a wind turbine blade for a wind turbine, having a tip end area and a root end area, and a lightning protection system, said lightning protection system comprising at least one metal foil, wherein said metal foil extends continuously from the tip end area to the root end area of the blade and wherein the metal foil is arranged in proximity to the outer surface of the blade, so that the metal foil is adapted to function as a receptor of a stroke of lightning and as a down conductor. | 06-13-2013 |
20130149154 | WIND TURBINE BLADE - A wind turbine blade having a lightning protection function includes an outer shell, a spar arranged in a space inside the outer shell, a spar cap which is formed by a carbon-fiber plastic laminated member disposed on a blade root side and a glass-fiber plastic laminated member disposed on a blade tip side that are connected together, the spar cap supporting the spar to the outer shell, and a lightning protection unit. The lightning protection unit includes a receptor for receiving lightning which is provided in the outer shell on a side where the glass-fiber plastic laminated member is arranged, a down conductor which directs lightning current received by the receptor into the ground or the water, and a conductive metal member which covers the outer shell on a side where the carbon fiber plastic laminated member is arranged. | 06-13-2013 |
20130164135 | Active Noise Suppression on a Wind Turbine - A system and method for actively suppressing a noise signature from a noise emitting component on a wind turbine is disclosed. The system and method may include at least one active noise measuring device capable of measuring an original noise signature of the noise emitting wind turbine component, a controller for determining an inverted noise signature for the original noise signature, an amplifier for amplifying the inverted noise signature and at least one speaker for emitting the amplified inverted noise signature. | 06-27-2013 |
20130177422 | ROTOR BLADE AND AN AIRCRAFT - A rotor blade ( | 07-11-2013 |
20130195663 | WIND TURBINE ROTOR BLADE LIGHTNING DISCHARGER AND WIND TURBINE GENERATOR EQUIPPED WITH THE SAME - By means of a simple structure, lightning resistance is improved without increasing the level of fluid noise due to a lightning discharge member provided on a surface of a wind turbine blade. A wind turbine rotor blade lightning discharger, in which a diverter strip serving as a lightning discharge member protrudes from a surface of a wind turbine blade that extends in a radial direction from a rotor head supported in a freely rotatable manner, includes a noise suppressing structure that suppresses the generation of a Karman vortex, which causes noise, on the downstream side of the diverter strip with respect to an airflow that flows at the surface of the wind turbine blade during rotation of the wind turbine rotor blade. | 08-01-2013 |
20130195664 | LIGHTNING CURRENT TRANSFER ARRANGEMENT OF A WIND TURBINE - A lightning current transfer arrangement for a wind turbine is provided, to enable lightning current and electrostatic discharge current to be discharged from a first and a second part of the wind turbine being rotatable relative to each other. The lightning current transfer arrangement is arranged to provide electrical contact between the first and second parts, and has a current transfer unit electrically coupled to the first part, and an electrically conductive slideway electrically coupled to the second part, and rotatable relative to the current transfer unit. The current transfer unit further has a slider elastically biased towards the slideway, where the slider comprises a slide piece made of conductive plastics and contacting the slideway, and an electrode made of metal and directed towards the slideway, the electrode and the slide piece being rigidly coupled. | 08-01-2013 |
20130224023 | Electromagnetic Wave Absorber Using A Dielectric Loss Sheet, Method For Forming The Electromagnetic Wave Absorber, And Rotary Blade For A Wind Turbine Having An Electromagnetic Wave Function Using Same - Disclosed are an electromagnetic wave absorber using a dielectric loss sheet, a method for fabricating the same, and a wind turbine blade having an electromagnetic wave function. The electromagnetic wave absorber comprises: a support layer for providing a resonant space of electromagnetic waves; a highly conductive backing layer assigned to a back surface of the dielectric support layer; and a dielectric lossy composite sheet layer formed on a front surface of the dielectric support layer, said dielectric lossy composite sheet layer having such a dielectric permittivity so as to generate a resonant peak with the electromagnetic waves reflected from the highly conductive backing layer. | 08-29-2013 |
20130236311 | WIND TURBINE WITH ACCESS FEATURES FOR GAINING ACCESS TO THE INTERIOR OF A ROTOR HUB - A wind turbine including a nacelle and a rotor hub is disclosed. The nacelle may extend between a hub end and an aft end and may define a nacelle shaft opening and a nacelle access port at the hub end. The rotor hub may extend between a first end and a second end, with the second end being disposed adjacent to the hub end of the nacelle. The rotor hub may also define a hub shaft opening at the second end and a hub access port generally adjacent to the hub shaft opening. In addition, the wind turbine may include an access bridge configured to extend between the nacelle and the rotor hub so as to provide access between the nacelle access port and the hub access port. | 09-12-2013 |
20130280073 | WIND TURBINE LIGHTING PROTECTION SYSTEM AND WIND TURBINE BLADE - Method and apparatus for cooling a hydrocarbon stream. The present invention relates to a wind turbine lightning protection system and to a wind turbine blade comprising a wind turbine lightning protection system. A lightning protection system is provided for use in a wind turbine blade, comprising a lightning conductor located along an interior portion of the wind turbine blade and being coupled to ground, at least one receptor module arranged on an external surface of the wind turbine blade, the receptor module being electrically connected to the lightning conductor, and a vortex generator strip arranged in a longitudinal direction on the external surface of the wind turbine blade, the vortex generator strip being adapted to attract and receive a lightning strike and to transmit an electrical current from the lightning strike to the receptor module and thereafter to ground through the lightning conductor. | 10-24-2013 |
20130287571 | ELECTRICAL WIRING SYSTEM FOR A ROTOR HUB - The electrical harness system is configured for routing a harness between a rotor yoke and a rotor blade. A recess in an inboard cap member is configured to house a connector and an associated harness. As the recess extends along a radial path in the chordwise direction of the rotor blade, the harness is configured to lie within the recess. Operationally induced centrifugal forces promote positioning the slack of harness within the recess, while the slack in the harness remains available for relative dynamic movements between the rotor blade and the rotor yoke. Such a routing of the harness reduces aerodynamic drag and minimizes damage that could otherwise occur to the harness. | 10-31-2013 |
20130315735 | Wind Power Installation With Helicopter Hoisting Platform - A wind power installation includes a helicopter hoisting platform configured to be arranged on top of a nacelle of a wind driven power plant. The nacelle and the helicopter platform are configured such that a bottom surface of the helicopter hoisting platform is below a top surface of the nacelle. | 11-28-2013 |
20140003943 | WIND TURBINE | 01-02-2014 |
20140050584 | COMBINATION PADDLE AND FISHING ROD - A device and system for propelling a watercraft through water and for fishing. The device includes a shaft that defines a first opening. A blade is coupled to a first end of the shaft, and a handle is coupled to a second end, the handle defining a second opening. A passage is in fluid communication with both the first opening and the second opening. The device may further include an extension element defining a third opening and being slidably disposed within the shaft, movable from a retracted configuration to an extended configuration. The system includes the device and fishing reel releasably engaged with the reel seat. Line from the reel enters the first opening, passes through the shaft, and exits from the second opening. With an extension element, line passes from the reel into the first opening, through the shaft and the extension element, and out the third opening. | 02-20-2014 |
20140105745 | REDUCING THE VISUAL IMPACT OF OFFSHORE WIND FARMS - A wind turbine includes: (a) a plurality of blades; and (b) a base supporting the plurality of blades and having a first portion provided with a first type of camouflage and a second portion provided with a second type of camouflage that differs from the first type of camouflage. Such a wind turbine may be included in a system further including: at least one light emitting element which, when activated, directs light onto a surface of the wind turbine; a power source for powering the at least one light emitting element; and a controller for controlling at least one of (A) a quantity of light emitted by the at least one light emitting element, (B) a color of light emitted by the at least one light emitting element, and (C) a pattern of light emitted by the at least one light emitting element. | 04-17-2014 |
20140112787 | LIGHTNING RECEPTOR ARRANGEMENT FOR A WIND TURBINE ROTOR BLADE - A lightning receptor arrangement for a wind turbine rotor blade arrangement includes a receptor element for receiving a lightning strike, a drainage channel extending from an interior cavity of the blade through the receptor element to an outside surface of the blade, and an electrically conductive connection to a down conductor of a grounding arrangement of the wind turbine. The receptor element is arranged at a point of origin of a vortex generated during rotation of the rotor blade. | 04-24-2014 |
20140112788 | METHOD AND CLEANING PLATE FOR CLEANING A BRAKE OF A WIND TURBINE - The invention is directed to a method for cleaning a brake of a wind turbine. The brake has a brake disc and at least one brake unit, wherein the brake disc and the brake unit can be moved relative to one another via a drive. The method includes fastening a cleaning plate to the brake disc; releasing at least one brake unit; moving the brake disc and the brake unit relative to one another so that the cleaning plate is moved past a brake pad of the brake unit while making applied contact engagement to the brake pad; and, dismounting the cleaning plate from the brake disc. | 04-24-2014 |
20140147277 | ROTOR BLADE SYSTEM FOR HELICOPTER - In a rotor blade system for helicopter including a rotor mast vertically disposed on an upper part of a fuselage in the vicinity of its position of the center of gravity, even-ordered rotor blades supported on their base portions by the rotor mast, and a power source rotary-driving the rotor mast to rotate the plural rotor blades around an axis of the rotor mast, the even-ordered rotor blades are arranged at equal intervals in a circumferential direction of the rotor mast provided that each two rotor blades hold the rotor mast therebetween and extend in a diameter direction of the rotor mast as a pair, and that the paired two rotor blades are integrally joined with each other at their base portions and swingably supported around a common axis extending in the diameter direction of the rotor mast by a support shaft perpendicularly disposed in the rotor mast. | 05-29-2014 |
20140169968 | COLLISION AVOIDANCE SYSTEM FOR A WIND TURBINE - A collision avoidance system and a wind turbine includes a tower, a rotor coupled to the tower and a nacelle coupled to the rotor such that at least one of the tower, the rotor and the nacelle include one or more acoustic retroreflectors. Particularly, the acoustic retroreflectors are designed to reflect acoustic waves corresponding to a designated frequency range back to a source of the acoustic waves. | 06-19-2014 |
20140212289 | METHOD AND APPARATUS FOR ESTIMATING THE TEMPERATURE OF A SEMICONDUCTOR CHIP - The invention regards a method for estimating the temperature of a semiconductor chip accommodated in a power semiconductor device in operation, such as an IGBT power module, the method comprising the steps of; while the power semiconductor device is in operation determining a voltage drop over the power semiconductor device for a value of applied load current and; estimating the temperature of the semiconductor chip by evaluating the relationship between the determined voltage drop and the value of applied load current on the basis of a semiconductor chip temperature model. The invention also regards the corresponding apparatus for estimating the temperature of a semiconductor chip, as well as a wind turbine comprising such an apparatus. | 07-31-2014 |
20140301846 | SYSTEM FOR REDUCING VIBRATION IN A WIND TURBINE - A system for reducing vibration in a wind turbine includes a mass structure having at least one hole extending therethrough; a rod having a top threaded portion, an upper level stop disposed on or below the threaded portion, and a fixed lower level stop disposed below the upper level stop. The mass structure has a designed weight and shape that, in combination with the adjustable axial distance between the upper level stop and the lower level stop, is designed to provide a properly tuned system for a particular frequency. A base having an aperture designed for receipt of the lower level stop therein is configured for attachment to a component of the wind turbine. | 10-09-2014 |
20140341738 | WIND TURBINE BLADE AND METHOD OF MANUFACTURING A WIND TURBINE BLADE - A wind turbine blade comprising a lightning protection system is provided. The lightning protection system comprises a lightning conductor located along a longitudinal portion of the wind turbine blade and is coupled to an electrical ground. A lightning receptor module is arranged on an external surface of the wind turbine blade and electrically coupled to the lightning conductor. An elongate receptor band is installed on the external surface of the wind turbine blade, over the lightning receptor module, and the receptor band is arranged to receive a stroke of lightning and transfer electrical current from the lightning stroke to the lightning conductor through the lightning receptor module. Further, the elongate receptor band comprises a crease in a longitudinal cross-sectional profile of the elongate receptor band. A method of installing a lightning protection system on a wind turbine blade is further provided. | 11-20-2014 |
20140348656 | WIND TURBINE GENERATOR SYSTEM AND LIGHTNING PROTECTION DEVICE THEREOF - A lightning protection device for a wind turbine generator system includes at least a blade arrester, a down lead of a blade connected to the blade arrester, a lightning-proof element of a pitch bearing, a lightning-proof element of a rotor bearing. The lightning-proof element of the pitch bearing is arranged at the blade root, with one end connected to the down lead of blade and the other end connected to the lightning-proof element of the rotor bearing. The lightning protection device forms a lightning current conducting path passing through a cavity of the pitch bearing, a hollow of a rotor shaft and a cavity of the rotor bearing. A wind turbine generator system having the above mentioned lightning protection device is provided. | 11-27-2014 |
20150086367 | PORTABLE CRANE FOR USE IN WIND TURBINES - Portable cranes for wind turbines are provided. In one embodiment, a crane includes a boom, a support shaft connected to the boom, and a plurality of interchangeable mount assemblies. Each of the plurality of mount assemblies is removably connectable to the support shaft and mountable to a wind turbine component. The crane is mountable to at least two different wind turbine components. In another embodiment, a crane includes a boom, a support shaft connected to the boom, and means for mounting the crane to at least one uptower wind turbine component and at least one downtower wind turbine component. | 03-26-2015 |
20150086368 | Piezoelectric-Based Vertical Axis Wind Turbine - A system and method for a piezoelectric-based vertical axis wind turbine (VAWT) are disclosed. The piezoelectric-based VAWT may generate electricity in response to a deformation (e.g., a stretching or bending) of piezoelectric material. For example, the piezoelectric material may be included on or within a wind turbine blade. The wind turbine blade may be struck by an object or may hit an object. Such an action may cause the wind turbine blade to vibrate and subsequently cause the piezoelectric material to deform and generate electricity. | 03-26-2015 |
20150098823 | LIGHTNING PROTECTION SYSTEM WITH INTEGRATED ANTI-ICING SYSTEM FOR WIND TURBINE BLADES - Lightning protection system (LPS) with an integrated anti-icing system for wind turbine blades that comprises a smart protection system ( | 04-09-2015 |
20150118053 | HIGH EFFICIENCY VERTICAL AXIS WIND TURBINE APPARATUS - A high efficiency vertical axis wind turbine apparatus for generating energy from wind power. The apparatus includes a generator in communication with a rotatable shaft, wherein the rotatable shaft is disposed along a central axis. A support bearing is coupled to the rotatable shaft for rotatably supporting the rotatable shaft. A plurality of substantially similar symmetrical wings is connected to and extends from the rotatable shaft wherein each wing provides an upper strut, a blade, and a lower strut. The upper strut has a substantially curvilinear configuration and is connected to the rotatable shaft and the blade. The blade has a substantially straight linear configuration substantially parallel to the central axis. The lower strut has a substantially curvilinear configuration and is connected to the rotatable shaft and the blade such that the wings are rotatably driven by wind so as to rotate the rotatable shaft and drive the generator. | 04-30-2015 |
20150132133 | LIGHTNING TRANSFER UNIT FOR A WIND TURBINE - A lightning current transfer unit ( | 05-14-2015 |
20150139801 | Propeller Arrangement for Marine Vehicles - The present invention relates to a marine propeller arrangement comprising a propeller communicating with a shaft connected to the motor of a marine vehicle, the propeller having a hub and demountable blades, wherein each blade comprises a hub portion being integral with each blade and having plurality of bores for securing thereof; and the arrangement comprises a sleeve having a shaft receiving bore, wherein each hub portion is supported by the sleeve and secured thereto via a plurality of securing elements. | 05-21-2015 |
20150292338 | ELECTRICALLY GROUNDING FAN PLATFORMS - A fan platform for electrically grounding an airfoil of a gas turbine engine includes a flow path surface extending between a first and second side. An inner surface radially opposing the flow path surface also extends between the first and second side, and includes a body portion extending radially inwardly therefrom. At least a first conductive path for grounding travels from the first side via the body portion. | 10-15-2015 |
20150292480 | Twin directional turbine / alternator / generator for wind power generation - A vertical axis wind turbine power system having a twin direction turbine/generator/alternator (with or without permanent magnets AJC, D/C machine) wherein the rotor and stator (which may be different types including flange/flywheel types) move in opposite directions such that, if the rotor moves clockwise, the stator moves anti-clockwise and vice versa in order to generate more energy despite lesser wind velocity. The invention includes a novel wind turbine having a vertical axis with a twin directional turbine and two sets of blades that rotate in opposite directions from each other. The invention is also applicable in horizontal axis windmills or tidal energy generators. | 10-15-2015 |
20150292487 | WIND TURBINE ROTOR BLADE HAVING A LIGHTNING RECEPTOR BASE AND METHOD FOR MAKING THE SAME - A wind turbine rotor blade has a blade root, a lightning protection conductor for dissipating a lightning current toward the blade root, a suction side, a pressure side, a lightning receptor arranged on the suction side, a lightning receptor arranged on the pressure side, and an integrally formed lightning receptor base, which is arranged in the wind turbine rotor blade and on which the two lightning receptors and the lightning protection conductor are fastened, wherein the lightning receptor base includes two fastening rings, which each have an internal thread, into which one of the two lightning receptors is screwed, and an outer diameter and an outer side, wherein the outer sides of the fastening rings are arranged with a spacing of less than one outer diameter from one another. | 10-15-2015 |
20150322918 | Piezoelectric-Based Wind Turbine - A system and method for a piezoelectric-based vertical axis wind turbine (VAWT) are disclosed. The piezoelectric-based VAWT may generate electricity in response to a deformation (e.g., a stretching or bending) of piezoelectric material. For example, the piezoelectric material may be included on or within a wind turbine blade. The wind turbine blade may be struck by an object or may hit an object. Such an action may cause the wind turbine blade to vibrate and subsequently cause the piezoelectric material to deform and generate electricity. | 11-12-2015 |
20150336647 | PROPELLER FOR VESSEL PROPULSION APPARATUS AND VESSEL PROPULSION APPARATUS INCLUDING THE SAME - A propeller includes a bushing that rotates together with the propeller shaft, and a propeller damper disposed around the bushing, and an inner cylinder that surrounds the bushing via the propeller damper. The bushing includes a first cylindrical portion surrounding the propeller shaft, and a first protrusion protruding outward from the first cylindrical portion and integral with the first cylindrical portion. The inner cylinder includes a second cylindrical portion surrounding the bushing via the propeller damper and a second protrusion protruding inward from the second cylindrical portion. The inner cylinder is rotatable with respect to the bushing between a noncontact position and a contact position. | 11-26-2015 |
20150354537 | Radial Piston Pump and Wind Power Generator - To provide a radial piston pump capable of displacement control without using an electronic control valve. For achieving the above object, the radial piston pump includes: a first cam circumferentially varying in radius on an inner circumferential side or outer circumferential side of the cam in a continuous manner; a second cam circumferentially varying in radius on an inner circumferential side or outer circumferential side of the cam in a continuous manner; a first operation member operating along a side of the first cam on which the radius of the cam continuously varies; a second operation member operating along a side of the second cam on which the radius of the cam continuously varies; a first piston connected to the first operation member; a second piston connected to the second operation member; a cylinder connecting with the first piston and the second piston and varied in volume by motion of at least one of the first piston and the second piston; and an adjustment unit for rotating at least one of the first cam and the second cam. | 12-10-2015 |
20150361958 | METHOD FOR REDUCING NOISE, VIBRATIONS, AND PRESSURE PULSATIONS ASSOCIATED WITH AERODYNAMIC INTERACTIONS BETWEEN WIND TURBINE BLADE WAKES AND THE WIND TURBINE TOWER - A noise, vibration, and pressure pulsation reducing collar for a wind turbine having a stationary tower, nacelle and rotor, a method of using such a reducing collar, and a wind turbine system comprising a said reducing collar are disclosed. The wind turbine includes rotating rotor blades, a nacelle containing an electric generator, and a stationary vertical supporting tower. The tower is provided with a reducing collar mounted thereon. The reducing collar can include elements of, e.g., rods or tubes or perforations or corrugations extending parallel to and along or adjacent to the outer surface of the tower and located downstream of the rotor blades. | 12-17-2015 |
20160010508 | MULTI-VALVE-TYPE STEAM VALVE AND STEAM TURBINE | 01-14-2016 |
20160017867 | DRIVE DEVICE FOR A WIND TURBINE - Drive device for a wind mill comprising a large pulley disposed on a main shaft and at least one belt or chain adapted to transfer rotation from the pulley to a generator. The pulley is rotationally coupled to at least two secondary shafts, which are disposed parallel to the main shaft. One or more belts, which transfer the rotation, extend over the pulley and the secondary shafts. The secondary shafts are in turn rotationally coupled to at least one, preferably two, electric generators. | 01-21-2016 |
20160025104 | ANNULAR FAN WIRING STRUCTURE - An annular fan wiring structure includes a frame body and at least one groove annularly formed on an outer circumference of the frame body. The groove has an open end and a closed end opposite to the open end. The open end is flush with the outer circumference of the frame body. According to the structural design of the annular fan wiring structure, the wire assembly can be securely received in the groove to facilitate storage of the annular fan. In addition, multiple annular fans can be most compactly stacked to form an annular fan module. Also, the manufacturing cost of the annular fan is lowered. | 01-28-2016 |
20160084232 | WIND TURBINE AND A LIGHTNING PROTECTION UNIT FOR A WIND TURBINE - A wind turbine is provided, having a nacelle, and having a rotor that has at least two rotor blades. The rotor blades each have a rotor blade root, at least one metallic conductor, for conducting a lightning strike, and connected thereto, provided in the region of a rotor blade root, have a conducting ring. In addition, a lightning protection unit is fastened to the non-rotating part of the nacelle in such a manner that the lightning protection unit lies on the ring. The lightning protection unit has two rollers and a lightning rod, a free end of the lightning rod being separated from an outer end of the rollers by a distance that defines a spark gap. | 03-24-2016 |
20160090968 | A LIGHTNING PROTECTION SYSTEM FOR A WIND TURBINE BLADE - A wind turbine blade is described having a lightning protection system, wherein the lightning protection system is arranged to protect conductive elements or modules used in or on the blade. In one aspect, the lightning protection system comprises a conductive band to be arranged around the circumference of the blade at the location of an internal conductive module, to prevent a lightning strike from penetrating the blade and potentially damaging the internal module. In another aspect, the lightning protection system comprises a lightning down-conductor having a signal-carrying structure, e.g. a signal cable, power cable, or a waveguide, integrated into the down-conductor. In a further aspect, the lightning protection system comprises at least one lightning receptor arranged to protect externally-mounted antennas from lightning strikes. | 03-31-2016 |
20160131110 | CONDUIT ASSEMBLY FOR A LIGHTNING PROTECTION CABLE OF A WIND TURBINE ROTOR BLADE - The present disclosure is directed to a system and method for reducing electrical arcs caused by lightning strikes in a rotor blade of a wind turbine. The rotor blade includes a lightning protection system with at least one lightning receptor connected to at least one conductor and a conduit assembly. The conduit assembly has one or more conduit members configured to route the conductor of the lightning protection system from a first blade location to a second blade location so as to maximize a distance between the conductor and one or more conductive rotor blade components. | 05-12-2016 |
20160138567 | 2-D FAIRING FOR A WIND TURBINE TOWER - A wind turbine for generating electricity having a turbine assembly mounted on an inner support positioned within an aerodynamic fairing. The turbine assembly has an electrical generator positioned on the inner support and having a rotor shaft rotatable by a rotor blade. The aerodynamic fairing reduces the drag and wake created by the inner support. | 05-19-2016 |
20160146035 | HYBRID RAM AIR TURBINE - A ram air turbine is provided that utilizes a hybrid design. The ram air turbine includes a hydraulic power conversion device directly coupled to a turbine shaft and an electric power conversion device coupled to a drive shaft. A gearbox is used to couple the turbine shaft to the drive shaft. | 05-26-2016 |
20160146188 | WIND FARM, WIND POWER GENERATION SYSTEM - A wind farm of an embodiment includes a wind turbine and an airflow generation device, the wind turbine being installed in plurality in a predetermined installation region. The wind turbines each have a blade attached to a rotor. The airflow generation device includes a first electrode and a second electrode which are provided on a substrate formed of an insulating material. Here, the plural wind turbines include: a first wind turbine located on an upstream side and a second wind turbine located on a more downstream side than the first wind turbine, in a wind direction with a higher yearly frequency than a predetermined value, out of wind directions of wind blowing in the installation region. The airflow generation device is installed on the blade provided in the first wind turbine out of the plural wind turbines. | 05-26-2016 |
20160153424 | MOUNTABLE WING TIP DEVICE FOR MOUNTING ON A ROTOR BLADE OF A WIND TURBINE ARRANGEMENT | 06-02-2016 |
20160169203 | WIND TURBINE | 06-16-2016 |
20160195068 | LIGHTNING PROTECTION SYSTEM FOR A WIND TURBINE | 07-07-2016 |
20190145383 | WIND TURBINE BLADE AND A WIND TURBINE | 05-16-2019 |