Matches 1 - 50 out of 136 1 2 3 >


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US20130149148 CABLE TENSION BRAKE SYSTEM  
A wind turbine and braking system. A wind turbine may include a tower and a nacelle coupled to the tower, the nacelle rotatable with respect to the tower about a rotation axis. A collar may be...
US20120263591 SYSTEMS AND METHODS FOR ENHANCING PERFORMANCE OF WINDMILLS  
Systems and methods for enhancing performance of windmills. In one embodiment, a wind turbine system for enhancing performance of windmills is provided. The system includes a wind turbine...
US20150147174 COORDINATED CONTROL OF A FLOATING WIND TURBINE  
The present invention relates to methods, apparatus and computer program products for coordinating the control of a floating wind turbine (101) between a wind turbine controller (111) and a...
US20120224963 GREASE COLLECTOR, WIND TURBINE NACELLE AND METHOD FOR COLLECTING EXCESS GREASE  
A grease collector is described, which is connectable to a wind turbine nacelle. The grease collector includes a channel with a flexible side portion for providing a sealing between the nacelle...
US20110171022 WIND TURBINE WITH A YAW SYSTEM AND METHOD FOR THE YAW ADJUSTMENT OF A WIND TURBINE  
A wind turbine comprising a tower and a nacelle which is rotatably mounted on the tower and whose alignment is adjustable by means of a yaw system, wherein the yaw system has at least one...
US20140234103 METHOD AND SYSTEM FOR IMPROVING WIND FARM POWER PRODUCTION EFFICIENCY  
A method and system for improving power production efficiency on a wind farm having of a plurality of spatially distributed wind turbines is provided. The method includes receiving a wind...
US20140037447 WIND TURBINE YAW CONTROL  
A method for operating a wind farm is provided. The method includes determining a wind condition, determining a wake-effect between at least two wind turbines forming at least a sub-set of the...
US20110211955 Wind turbine  
A wind turbine having a nacelle being rotatably disposed on a tower is proposed. The nacelle has a first cavity, a generator housing portion disposed upstream to the nacelle having a second...
US20140348650 APPARATUS FOR ADJUSTING THE YAW OF A WIND TURBINE  
The invention regards an apparatus for adjusting the yaw of a wind turbine adapted for mounting on a wind turbine comprising, a system for measuring the wind direction adapted, via a control...
US20140217742 POWER MANAGEMENT SYSTEM  
Systems for increasing the power productivity of two bladed teetering hinge, yaw controlled wind turbines by varying rotor shaft restraining torque and yaw angle.
US20130170989 APPARATUS FOR ROTATING THE NACELLE OF A WIND TURBINE  
The present invention provides an apparatus for the controlled rotation of a nacelle of a wind turbine, which includes a control device and n of yaw brakes. In standstill operation, the n yaw...
US20140219796 WIND TURBINE CONTROL SYSTEM HAVING A THRUST SENSOR  
A wind turbine control system comprising a thrust sensor and a braking system. The system allows an increase in wind speed to be detected instantaneously and corrective action to be initiated. The...
US20140064963 Wind Turbine System, an Assembling Method of a Wind Turbine System, an Inspecting Method of a Wind Turbine System, and an Operation Method of a Wind Turbine System  
A wind turbine system includes blades which rotate by receiving wind, a nacelle which supports the blades and rotates with the blades, a main shaft for transmitting torque which is connected to...
US20150192107 Constant Power, Helical Transverse-Axis Wind Turbine with Automated Variable Pitch, Variable Radius and Torque Control  
A transverse-axis power turbine, such as a Vertical-Axis Wind Turbine (VAWT), which includes both computer-controlled variable pitch and variable radius aspects providing a means to optimize...
US20140255190 Wind Turbine System Constructive Arrangement  
This patent refers to a system constructed by the wind turbine (1), placing two protectors; the first protector is placed on the opposite side of the wind direction to externally protect the wind...
US20130251524 Wind Turbine Generator  
A wind turbine includes a plurality of pivot shafts that are in paired parallel relationship and engaged to a central drive shaft, each pivot shaft supports a wing. Each pivot shaft rotates...
US20140186179 SELF-POSITIONING DEVICE FOR WATER TURBINE  
A water generator assembly includes a water generator having two forwarding wings on the front end thereof and the forwarding wings are applied by current and generate a resistance force and a...
US20130170988 WIND TURBINE SYSTEM  
A wind turbine system includes a nacelle, a generator, a central control module, an impeller, a transmission module, a speed sensor module, a pitch angle driving module, a hub controller and a...
US20110211956 PARALLEL-CONNECTED MATRIX INTEGRATED WIND POWER GENERATION SYSTEM  
A parallel-connected matrix integrated wind power generation system, which includes: a plurality of Savonius wind turbines and a plurality of phase angle positioning components among wind turbines...
US20110033293 Retractable Wind Turbine  
The disclosure provides a retractable wind turbine apparatus for generating power. When required, the mast and blades of the retractable wind turbine apparatus are designed to retract and become...
US20140186176 METHOD OF DETECTING A DEGREE OF YAW ERROR OF A WIND TURBINE  
A method of determining a degree of yaw error of a wind turbine is provided. The method includes obtaining wind pressure measurement values from in front of the rotor plane, which wind pressure...
US20140133983 YAW BRAKES FOR WIND TURBINES  
Yaw brakes for wind turbines are proposed, the wind turbines having a tower, a nacelle and a yaw system for rotating the nacelle with respect to the tower. The yaw brakes comprise a locking part,...
US20070274830 EOLIC energy transformation tower  
The present invention allows for the exploitation and transformation of eolic energy into mechanical or electric energy by means of coupling it to a fixed generator. The tower consists in a...
US20120171034 WIND TURBINE - FLOATING PLATFORM ASSEMBLY AND METHOD FOR ORIENTING SAID ASSEMBLY DESCRIPTION  
The invention allows orientation of the platform (1) in order to obtain conditions of maximum efficiency in the wind turbine (16). It comprises first sensors (8) for detecting an effective...
US20090238676 Accelerator for use in a wind power electrical generating system  
An accelerator for a wind power electrical generating system which mounts at least one wind turbine and which defines an air passageway capturing and delivering wind to the turbine. The...
US20140056707 CONVEYANCE DEVICE FOR AN ENERGY COLLECTOR  
The present invention provides a conveyance device for an energy collector such as a wind turbine, solar collector, or a combination thereof. The conveyance device is configured to orient the...
US20130039762 ADJUSTMENT SYSTEM FOR THE PITCH ANGLE OF A WIND TURBINE  
Adjustment system for the pitch angle of a wind turbine, which wind turbine includes an axis of rotation that is horizontal or at a small angle with respect to the horizontal plane, and a rotating...
US20090008939 MODULAR WIND TURBINE, MULTI-TURBINE WIND TURBINE, WIND TURBINE COMPUTER SYSTEM, AND METHOD OF USE THEREOF  
A modular multi-turbine unit of fixed toroidal support structures having a rail system designed to allow each of the plurality of turbines to rotate to a most efficient position relative to the...
US20120020788 WIND ENERGY SYSTEM  
Wind energy systems comprise a wind accelerator having a support assembly and an outer structure surrounding the support assembly. The wind accelerator has a front region and a rear region. The...
US20090087311 Vertically Adjustable Horizontal Axis Type Wind Turbine And Method Of Construction Thereof  
The invention relates to methods of constructing and operating a wind turbine, said methods comprising the steps of lifting a wind turbine nacelle and tower sections with the use of an external...
US20120257969 WIND POWER GENERATING SYSTEM USING TURBINE BLADES RADIALLY ARRANGED ALONG A CIRCULAR STRUCTURE  
The present invention relates to a wind power generating system using turbine blades radially arranged along a ring structure. The technical features of the present invention are for a wind power...
US20120153631 Windmill for Wind Power Generator and Wind Power Generator  
Biasing unit, a spindle member, and a link mechanism of a windmill for a wind power generator vary an angle of a blade in a first stage where the angle is made nearly parallel to the wind so that...
US20140248147 SYSTEMS AND METHODS FOR CONVERTING WIND FROM AN AIRCRAFT INTO ELECTRICAL POWER  
A system for generating energy from wind induced by an aircraft is provided. The system includes one or more wind turbines configured to generate electrical power by capturing wind induced by the...
US20090123283 Turbine yaw control  
A KHP system turbine for the production of energy in an underwater environment including a yaw stop arrangement for use in flowing steams where the flow direction of water therein is changeable,...
US20140227094 SAILING WINDMILL, FULLY RESPONSIVE VAWT  
The present invention relates to a vertical axis windmill. The windmill rotates on an upright post, with plural arms holding articulated working members circling around. Each working member has a...
US20150086357 WIND TURBINE AND METHOD FOR ADJUSTING YAW BIAS IN WIND TURBINE  
Wind turbines and method for adjusting yaw bias in wind turbines are provided. In one embodiment, a method includes defining an operational condition for the wind turbine, the operational...
US20090142192 WIND TURBINE METROLOGY SYSTEM  
A wind turbine and system for controlling a wind turbine using a nosecone mounted metrology system is disclosed. The wind turbine comprises at least one wind sensor for determining at least one...
US20120201677 WIND TURBINE GENERATOR WITH A LIFTING DEVICE  
A more efficient and simple wind turbine generator with a lifting device and method of using the lifting device is disclosed. A wind turbine generator comprises a tower, a nacelle supported by the...
US20080152492 Stratum Deployment of Wind Turbines  
Installing large-sized wind turbines creates numerous challenges and limitations, hindering acceptance of wind generated energy. With small-sized wind turbines, such hindrances are omitted or...
US20130259683 RAM AIR TURBINE BIASING ASSEMBLY  
An example ram air turbine biasing assembly includes a support member that holds a biasing member. The biasing member biases a component of a ram air turbine. The support member includes a step...
US20110044815 Stream Energy Extraction Device  
A stream energy extraction device including endless ropes running around sheaves, there being connected, along at least one rope, submerged sail- or vane-like elements. Flowing water causes the...
US20120009063 WIND TURBINE GENERATOR  
Provided is a wind turbine generator in which, the specifications of the gears can be designed for the level of a maximum load during driving without decreasing the necessary strength and...
US20140199169 Method and apparatus for controlling an operational parameter of a wind turbine  
A method for operating a wind turbine is described. The wind turbine includes a tower having a tower axis, and a nacelle being rotatable about the tower axis. The method includes providing a data...
US20080095621 Modular wind turbine with multiple micro wind turbine units  
A modular wind turbine is formed from a plurality of micro core wind turbines that may be assembled to form a plurality of micro wind turbine units. The micro wind turbine units may be differently...
US20080279687 Waterwheel Apparatus and Methods  
An improved waterwheel and methods for its use are provided. In an exemplary embodiment, the waterwheel is an undershot waterwheel utilized for electrical power generation. In another embodiment,...
US20130039763 WIND POWER GENERATOR  
A wind power generator having a nacelle, which is mounted to an upper end of a support tower, supports in rotary manner a rotor, and is oriented around a rotation axis by an orienting device...
US20130170987 Wind Turbine Tower with Yaw Bearing System  
A wind turbine includes a vertically standing non-uniform tower adapted to support a horizontally oriented rotor. A fixed base portion of the turbine is adapted to support a separate rotatable...
US20080260514 Method for Damping Tower Vibrations in a Wind Turbine Installation  
A method in connection with a wind turbine installation for damping tower vibrations, in particular a floating wind turbine installation comprising a floating cell, a tower arranged over the...
US20070201978 FORWARD DISCHARGE BLOWER UNIT  
A blower unit is configured to have a forward containment portion for housing mechanical equipment for receiving and dispensing material particles as ground cover. A rear containment portion is...
US20110268568 APPARATUS AND METHOD FOR ADJUSTING THE YAW OF A NACELLE OF A WIND ENERGY SYSTEM  
The present disclosure relates to a hydraulic pressure system for providing fluid pressure to actuate at least one hydraulic yaw motor for adjusting the yaw of a nacelle of a wind energy system...

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