Patent application number | Description | Published |
20100076614 | SYSTEMS AND METHOD FOR OPERATING A WIND TURBINE HAVING ACTIVE FLOW CONTROL - A method of operating a wind turbine that includes a flow control system includes operating the wind turbine in a first mode, operating the wind turbine in a second mode that is different than the first mode, acquiring operational data of the wind turbine during at least the second mode, determining an effectiveness of the flow control system using the acquired operational data, and performing an action based on the effectiveness of the flow control system. | 03-25-2010 |
20100135794 | SYSTEMS AND METHOD FOR OPERATING A WIND TURBINE HAVING ACTIVE FLOW CONTROL - A method for operating a wind turbine includes operatively coupling a fluid container within the wind turbine. The fluid container is in flow communication with an air distribution system at least partially defined within a blade of the wind turbine. The method further includes channeling a fluid from the fluid container into the air distribution system, and discharging the fluid from the air distribution system through at least one aperture of the air distribution system defined through an outer surface of the blade to facilitate removing debris from the air distribution system. | 06-03-2010 |
20100135795 | SYSTEMS AND METHOD FOR OPERATING AN ACTIVE FLOW CONTROL SYSTEM - A method performed by a control system for operating a wind turbine includes operating a flow control system of the wind turbine in a first mode, and operating the flow control system in a second mode different than the first mode to facilitate removing debris from the flow control system. The second mode includes varying at least one of a velocity, a flow rate, and a direction of a fluid flow of the flow control system. | 06-03-2010 |
20100143121 | METHOD FOR OPERATING A WIND TURBINE WITH REDUCED BLADE FOULING - A method of operating a wind turbine is provided. The wind turbine has at least one rotor blade and an active flow control (AFC) system. The at least one rotor blade has at least one aperture defined through a surface thereof, and the AFC system is configured to modify aerodynamic properties of the at least one rotor blade by ejecting gas through the at least one aperture. The method includes operating the wind turbine in a first mode, determining an environmental condition surrounding the wind turbine indicative of fouling of the AFC system, and operating the wind turbine in a second mode different than the first mode based on the environmental condition. The second mode facilitates reducing fouling of the AFC system. | 06-10-2010 |
20100143122 | ACTIVE FLOW CONTROL SYSTEM FOR WIND TURBINE - An active flow control (AFC) system for use with a wind turbine is provided. The wind turbine includes at least one rotor blade having at least one manifold extending at least partially therethrough and at least one aperture defined through a surface of the at least one rotor blade. The at least one aperture is in flow communication with the at least one manifold. The AFC system includes an air intake duct configured to draw ambient air into the wind turbine, a self-cleaning air filter coupled in flow communication with the air intake duct and configured to filter the ambient air, and an AFC distribution system configured to eject the filtered air through the at least one aperture. | 06-10-2010 |
20100143123 | APPARATUS AND METHOD FOR CLEANING AN ACTIVE FLOW CONTROL (AFC) SYSTEM OF A WIND TURBINE - An active flow control (AFC) system for use with a wind turbine is provided. The wind turbine includes at least one rotor blade. The AFC system includes at least two manifolds at least partially defined within the at least one rotor blade, at least one aperture in flow communication with each manifold of the at least two manifolds, a gas supply coupled in flow communication with the at least two manifolds, and a valve system operatively coupled to the gas supply. The valve system is configured to block a gas flow to a first manifold of the at least two manifolds to redistribute the gas flow to a second manifold of the at least two manifolds. | 06-10-2010 |
Patent application number | Description | Published |
20090169380 | MAGNETOSTRICTIVE MEASUREMENT OF TENSILE STRESS IN FOUNDATIONS - A foundation for supporting a structure is provided. The foundation includes a foundation body, at least one anchor bolt connecting a lower anchor plate and the structure, a magnetostrictive load measuring sensor for measuring loads on the at least one anchor bolt, the magnetostrictive load measuring sensor being positioned within the foundation body. | 07-02-2009 |
20110220538 | TRANSPORT FRAME FOR NACELLE/ROTOR HUB UNIT OF A WIND TURBINE, METHOD OF TANSPORTING AND MOUNTING A NACELLE/ROTOR HUB UNIT - A transport frame for a nacelle/rotor hub unit of a wind turbine is provided, wherein the unit comprises a wind turbine nacelle and a wind turbine rotor hub mounted to the nacelle, the transport frame comprising a main beam for supporting the weight of the nacelle/rotor hub unit; first and second lateral stabilization elements; a holding fixture for fixing the nacelle/rotor hub unit to the transport frame; a first attachment point for a lifting appliance, the first attachment point being provided at a first end of the main beam; a second attachment point for the lifting appliance, the second attachment point being provided at the first lateral stabilization element; and a third attachment point for the lifting appliance, the third attachment point being provided at the second lateral stabilization element. | 09-15-2011 |
20110314750 | TOWER SEGMENTS AND METHOD FOR OFF-SHORE WIND TURBINES - A method for erecting an off-shore wind turbine includes providing a wind turbine tower socket segment that includes a basin positioned at one end of the wind turbine tower socket segment. The basin is filled with water. A wind turbine tower plug segment, which has a closed surface at one end of the wind turbine tower plug segment, is brought in connection with the wind turbine tower socket segment. Further, a wind turbine tower socket segment for off-shore wind turbines is provided that includes a basin adapted for receiving water on one side of the segment. The socket segment is adapted for receiving a wind turbine tower plug segment. Further, a wind turbine tower plug segment adapted for being plugged into a wind turbine tower socket segment is provided. The wind turbine tower plug segment includes a closed surface at one end of the segment. Further, a wind turbine is provided. | 12-29-2011 |
20120131876 | HOISTING NACELLE AND TOWER - According to the present disclosure, a method for hoisting one or more tower sections ( | 05-31-2012 |