121 |
WIND TURBINE POWER STORAGE AND REGENERATION |
US15767902 |
2016-10-14 |
US20180298881A1 |
2018-10-18 |
Norman Ian Mathers |
Methods, systems and apparatuses including systems and methods that can be used for operating a wind turbine including in power generation and regeneration modes are disclosed. According to one example, a method is disclosed that can include adjusting a power split transmission coupling to transfer substantially all torque from a turbine rotor to a generator by working a hydraulic fluid, wherein the generator converts mechanical power to electrical power, diverting the hydraulic fluid at high pressure from the power split transmission coupling in response to the electrical power produced by the generator exceeding a threshold to maintain the electrical power produced by the generator at or below the threshold; storing the hydraulic fluid diverted from the power split transmission coupling under high pressure in a storage vessel; and introducing the hydraulic fluid stored at high pressure to a hydraulic motor in response to the generator producing below threshold electrical power, the hydraulic motor operatively coupled to the generator and configured to transmit mechanical power to the generator for electrical power generation. |
122 |
GEARBOX FOR A WIND TURBINE |
US15906982 |
2018-02-27 |
US20180245571A1 |
2018-08-30 |
Florian Adler; Moritz Dreher |
A gearbox for a wind turbine, which has at least one first and one second shaft, which are arranged parallel to each other and supported in roller bearings. A preload device for the roller bearings is provided, wherein the preload device generates a preload force between the first and the second shaft and is supported with one end on the shafts in each case. |
123 |
Heat-dissipating structure having embedded support tube to form internally recycling heat transfer fluid and application apparatus |
US13927220 |
2013-06-26 |
US09970687B2 |
2018-05-15 |
Tai-Her Yang |
The invention is provided with a support tube (101) and an inner tube (103) installed inside thereof, the diameter differentiation between the inner diameter of the support tube (101) and the outer diameter of the inner tube (103) is formed with a partitioned space for constituting a fluid path, the upper tube of the support tube (101) is installed with an electric energy application device assembly (108), and through the fluid pump (105) serially installed on the heat transfer fluid path to pump the heat transfer fluid to form a closed recycling flow, and through passing the support tube (101) of the mentioned closed recycling heat transfer fluid path and the exposed portion at the outer surface of the relevant structure, thereby enabling to perform temperature equalizing operation with the external gaseous or solid or liquid environment and/or the soil or liquid of the shallow ground natural thermal energy body. |
124 |
Working fluid turbo |
US14676279 |
2015-04-01 |
US09951620B1 |
2018-04-24 |
David A Shoffler |
A working fluid turbo comprising an enclosed housing; an intake port; an exhaust port; at least two sets of a plurality of disks within the housing; and a shaft connected to at least one set of the at least two sets of plurality of disks. The at least two sets of a plurality of disks has a first set of disks aligned with the intake port and a second set of disks aligned with the exhaust port. The shaft connects to at least one set of the at least two sets of disks. The first set of disks and the second set of disks each include an end plate with X-shaped walls that forms an X-shaped disk shaft, whereby the X-shaped disk shaft allows the working fluid to move between solid disks and holed disks. |
125 |
Apparatus and Methods for Displaying and Storing a Banner or Advertisement on a Horizontal Wind Turbine |
US15727459 |
2017-10-06 |
US20180102073A1 |
2018-04-12 |
Patrick V. Cleeves |
A kit for securing advertising space to a horizontal wind turbine at a blade height of the horizontal wind turbine, a horizontal wind turbine including the kit, and methods of making and using the same are disclosed. The horizontal wind turbine has blades on a blade side of the turbine, a non-blade side opposite the blade side of the turbine, a tower and a nacelle capable of turning during normal function. The kit comprises (i) an advertisement and/or advertising space and (ii) a structure that facilitates the turning of a base of the advertisement and/or advertising space to mirror the nacelle. The advertisement and/or advertising space is on the non-blade side of the horizontal wind turbine. The base of the advertisement and/or the advertising space is joined, connected or affixed to the tower and/or the nacelle and can store a plurality of ads in the housing. |
126 |
Airflow control arrangement |
US14253893 |
2014-04-16 |
US09624908B2 |
2017-04-18 |
Giovanni Airoldi; Uffe Eriksen; Soeren Gundtoft; Claus Michaelsen; Thorkil Munk-Hansen; Peter Hessellund Soerensen; Claus Thygesen; Xavier Tourde |
An airflow control arrangement for a direct-drive wind-turbine with a generator comprising a rotor and a stator, which airflow control arrangement comprises an outflow fan arranged to draw an exit airflow through an exit duct, which exit duct extends from an interior cavity of the stator to the exterior of the wind turbine. The invention further describes a direct-drive wind turbine comprising such an airflow control arrangement. The invention further describes a method of controlling an airflow in a direct-drive wind-turbine with a generator comprising a rotor and a stator is provided. |
127 |
Apparatus for Changing the Angle of Inclination in Wind Turbines |
US15380727 |
2016-12-15 |
US20170096982A1 |
2017-04-06 |
Eneko SANZ PASCUAL; Hely Ricardo SAVII COSTA |
A device for changing the angle of inclination in wind turbines. According to one aspect the device is formed by a connection part having a peripheral rolling ring on which three rolling supports are arranged. The rolling supports are attached to a bench that supports the rotor of the wind turbine. Each of a plurality of plates on the bench supports at least one cylinder that operates on a piston that passes through the plate. An end of the piston is coupled to a respective one of the rolling supports in an articulated manner. The cylinders are configured to operate on the pistons to cause the bench to tilt with respect to the connection part. |
128 |
Apparatus for accessing the nacelle of a wind turbine and associated methods |
US14005729 |
2012-03-14 |
US09611837B2 |
2017-04-04 |
Mazyar Abolfazlian; Morten Mogensen; Jan Riis Bovbjerg |
A wind turbine includes a tower having an interior, an exterior, a lower end and an upper end; a nacelle coupled to the tower adjacent the upper end and movable to define at least two yaw positions of the nacelle; a rotor coupled to the nacelle; and an access apparatus disposed about the tower adjacent the upper end thereof, the access apparatus defining a passageway into the nacelle that is exterior of the tower, and the access apparatus providing access to the nacelle in the at least two yaw positions of the nacelle. A method for transporting equipment and personnel to the nacelle using the access apparatus is disclosed. A method for assembling a wind turbine having such an access apparatus is also disclosed. |
129 |
Manual lifting tool for wind turbines |
US13353037 |
2012-01-18 |
US09523347B2 |
2016-12-20 |
Rudy Skaff; Gonzalo Palacio Gaviria |
An apparatus for performing a supporting and/or a lifting operation to a wind turbine component inside the wind turbine nacelle is provided. The apparatus comprises at least a tool which comprises a manually operated linear actuator and a mounting device of said linear actuator in an element of the nacelle frame so that said linear actuator can be duly located with respect to the wind turbine component for performing said supporting and/or lifting operation. |
130 |
COUPLING ARRANGEMENT IN THE FIELD OF WIND TURBINES |
US15148047 |
2016-05-06 |
US20160348650A1 |
2016-12-01 |
JESPER MOELLER; KENNETH HELLIGSOE SVINTH |
A coupling arrangement for wind turbines, a wind turbine, and to a method for assembling the coupling arrangement is provided. A coupling arrangement for wind turbines is disclosed, including a nacelle having a plurality of bolts, a tower having a plurality of bolt holes, the bolts being insertable in the bolt holes by moving the nacelle and the tower towards each other in a mounting direction, and locking means for locking the nacelle to the tower in a direction opposite to the mounting direction. |
131 |
Prime Mover with Recovered Energy Induced Source and Sink Temperature |
US14711859 |
2015-05-14 |
US20160333747A1 |
2016-11-17 |
Jay Stephen KanFman |
A system for using recovered energy to increase the source to sink temperature differential for heating and cooling the working fluid of a prime mover, and in particular to a heat of compression braking source and liquefied or solidified air sink. |
132 |
MONITORING SYSTEM AND MONITORING METHOD |
US15024319 |
2014-09-22 |
US20160245263A1 |
2016-08-25 |
Hiroshi IKEDA; Takashi HASEBA; Akitoshi TAKEUCHI |
Provided is a monitoring system for monitoring states of apparatuses of a wind turbine which achieves further cost reduction. The monitoring system for the wind turbine includes: microphones arranged inside a nacelle holding a main shaft, a gearbox, a power generator, and a main bearing of the wind turbine therein to obtain acoustic data; a data collection device (data collection unit) which collects the data and transfers the data to a server on the Internet; the server (comparison and diagnosis unit) which saves, compares, and diagnoses the transferred data; and a monitoring terminal (display monitoring unit) which displays and monitors the result of diagnosis. |
133 |
Rotor blade element and method for improving the efficiency of a wind turbine rotor blade |
US13814547 |
2010-10-18 |
US09366222B2 |
2016-06-14 |
Soeren E. Nielsen; Carsten Thrue |
A rotor blade element and a method for improving the efficiency of a wind turbine rotor blade are provided. The wind turbine rotor blade element is adapted for mounting on the wind turbine rotor blade. The wind turbine rotor blade has a trailing edge, a suction side and a pressure side. The blade element has a trailing edge, a first surface and a second surface. The first surface forms a pressure side surface portion. The second surface has a suction side surface portion and a contact surface. |
134 |
Spar buoy platform |
US14144272 |
2013-12-30 |
US09308975B2 |
2016-04-12 |
Damon Vander Lind |
An offshore airborne wind turbine system including an aerial vehicle, an electrically conductive tether having a first end secured to the aerial vehicle and a second end secured to a platform, a rotatable drum positioned on the platform, an aerial vehicle perch extending from the platform, wherein the platform is positioned on a top of a spar buoy. |
135 |
Method for transporting a curved wind turbine blade and associated transportation device |
US14802396 |
2015-07-17 |
US09221379B2 |
2015-12-29 |
Stephen Randall |
A method of transporting a wind turbine blade with a curved central longitudinal axis includes loading the wind turbine blade onto a transportation device including first and second support bearings. The wind turbine blade is loaded in a first orientation in which the curved central longitudinal axis is located in a generally vertical plane. When the transportation device is preparing to turn, the wind turbine blade is rotated to a second orientation before or during turning such that the curved central longitudinal axis is located in a generally horizontal plane and bends around the turn. As a result, the curved wind turbine blade and transportation device can traverse tighter curves and turns during travel to an assembly site or quayside. |
136 |
METHOD, SYSTEM AND CONTROLLER FOR CONTROLLING A WIND TURBINE |
US14758578 |
2013-02-07 |
US20150337806A1 |
2015-11-26 |
Chris Damgaard; Claus Damgaard |
The invention relates to a method of controlling a wind turbine (WT) by means of a wind turbine control system (WTCS) comprising a first controller (C1) and a second controller (C2), said controlling of said wind turbine (WT) comprising handling a first set of control functionalities (CF1-CFx) and a second set of control functionalities (CCF1-CCFx), wherein said first set of control functionalities (CF1-CFx) are non-critical control functionalities, wherein said second set of control functionalities (CCF1-CCFx) comprises one or more critical control functionalities (CCF1-CCFx) which are critical for the operation of said wind turbine (WT), wherein said first controller (C1) handles said first set of control functionalities (CF1-CFx), wherein said second controller (C2) is a safety controller controlling said wind turbine during emergency shutdown of said wind turbine (WT) by means of said critical control functionalities (CCF1-CCFx), and wherein said second controller (C2) furthermore controls one or more of said critical control functionalities to provide an output to control said wind turbine (WT) when the wind turbine (WT) is in a power production mode. The invention furthermore relates to a system, a controller and a wind turbine. |
137 |
METHOD FOR OPERATING A WIND TURBINE |
US14715733 |
2015-05-19 |
US20150337805A1 |
2015-11-26 |
SAMUEL H. HAWKINS |
A method for operating a direct drive wind turbine including determining a temperature difference between at least two components of a bearing, comparing the temperature information with an upper threshold temperature difference between the at least two components of the bearing, limiting rotational speed of a rotor and/or an at least one rotatably supported wind turbine component coupled to the rotor to a value unlike zero yet, below a wind turbine specific nominal rotational speed of the rotor and/or below the wind turbine specific nominal rotational speed of the at least one rotatably supported wind turbine component coupled to the rotor and/or limiting electric power output of the generator to a value unlike zero yet, below a wind turbine specific nominal electric power output of the generator, if the temperature difference between the at least two components of the bearing increases above the upper threshold temperature difference, is provided. |
138 |
WIND TURBINES AND METHODS |
US14592501 |
2015-01-08 |
US20150204313A1 |
2015-07-23 |
Roger BERGUA; Jordi Jové |
Wind turbines are provided comprising a support structure having a tower and a nacelle mounted on the support structure. A first region (damper region) of the wind turbine including at least a first part of the nacelle is flexibly coupled to a second region (to be damped) of the wind turbine including at least the support structure. Methods are also provided for determining a suitable stiffness of the flexible coupling of the damper region to the region to be damped of any one of said wind turbines. These methods comprise determining a modal mass of the region to be damped depending on a given tower bending mode; and determining the stiffness of the flexible coupling of the damper region to the region to be damped depending on the calculated modal mass of the region to be damped and on the mass of the damper region. |
139 |
WIND TURBINE |
US14381602 |
2013-02-28 |
US20150056075A1 |
2015-02-26 |
Ofer Birarov |
A device and method to generate electricity via a wind turbine. The device includes a first stator ring or a portion thereof, a second rotor comprising a ring encircling a set of blades, and wherein a rotation of the second rotor ring with respect to the first stator ring or the portion thereof generates energy. |
140 |
Wind turbine |
US13611121 |
2012-09-12 |
US08916984B2 |
2014-12-23 |
Silvio Semmer |
A wind turbine including at least one generator is disclosed. The generator includes a stator with two sets of stator windings. The first set of stator windings is connected to a first electrical converter unit by a first cable connection and the second set of stator windings is connected to a second electrical converter unit by a second cable connection. The first cable connection is guided from the respective set of stator windings in the region of the side facing the drive end of the wind turbine and the second cable connection is guided from the respective set of stator windings in the region of the side facing the non-drive end of the wind turbine. |