Class / Patent application number | Description | Number of patent applications / Date published |
416039000 | Temperature or icing condition responsive | 16 |
20080298964 | Method For Prolonging And/Or Controlling The Life Of One Or More Heat Generating And/Or Passive Components In A Wind Turbine, A Wind Turbine, And Use Thereof - The invention relates to a method for prolonging and controlling the life of components associated with a wind turbine, by controlling the cooling down procedure of the components. Gradually lowering the temperature of the components reduces the number of temperature fluctuations of the component, thus extending the life of the components. | 12-04-2008 |
20090060739 | Fan Blade Pitch Change Assembly - An assembly for changing the pitch of fan blades rotatably attached to a hub includes a main drive shaft configured to rotate the hub. The main drive shaft is rotated by a first motor. A secondary drive shaft is coupled to the main drive shaft via a gearing system located within the hub. The secondary drive shaft is also driven by a second motor. When driven by the second motor, the secondary drive shaft manipulates the gearing system to alter the pitch of the fan blades. | 03-05-2009 |
20100008776 | Wind Energy Converter, A Method And Use Hereof - A wind energy converter includes a wind turbine, a wind turbine foundation and a temperature control mechanism for controlling the temperature of one or more areas of the wind turbine. The temperature control mechanism including a mechanism for exchanging heat. The wind energy converter is characterized in that the mechanism for exchanging heat is positioned in the ground outside the foundation. Also contemplated is a method for controlling the temperature of one or more areas of a wind energy converter and use thereof. | 01-14-2010 |
20100034652 | METHOD FOR IMPLEMENTING WIND ENERGY CONVERTING SYSTEMS - Wind Energy Converting Systems (WECS) fitted with anti-icing systems are made by using the method according to the invention in the following steps:
| 02-11-2010 |
20100034653 | Wind Turbine, A Method For Controlling The Temperature Of Fluid Flowing In A First Temperature Control System Of A Wind Turbine And Use Thereof - A wind turbine includes a first temperature control system including fluid transporting heat to or from one or more components of the wind turbine. The wind turbine further includes a mechanism for exchanging heat between the first temperature control system and at least one further temperature control system of the wind turbine, wherein a temperature controlled mechanism enables the heat exchange between the first temperature control system and the at least one further temperature control system. A method for controlling or regulating the temperature of fluid flowing in a first temperature control system of a wind turbine and a use hereof is also contemplated. | 02-11-2010 |
20100111695 | APPARATUS AND METHOD FOR DETECTING SOLID WATER BUILD-UP - An apparatus according to an embodiment comprises a wind turbine with a hub supporting a blade, and a sensor disposed and configured to monitor the blade and to produce a respective output signal. A computer processor disposed and configured to receive the output signal of the sensor executes a computer software application to facilitate comparing the output signal to a predetermined value to determine whether solid water is present at the blade and providing an indication of solid water build-up when solid water is present. | 05-06-2010 |
20100119370 | INTELLIGENT AND OPTIMIZED WIND TURBINE SYSTEM FOR HARSH ENVIRONMENTAL CONDITIONS - A wind turbine including a torque distribution device for distributing torque between two different shafts. Also a system for detecting the presence of snow/ice on a wind turbine using ultrasound sensors and a system for de-icing wind turbines in which when the removal of snow/ice is detected, the heaters are switched off. Also a wind turbine with a lightning sensor and a processing unit which can shut down sub-systems or the whole system in response to data from the lightning sensor. Also a wind turbine with an automated lubrication refill system for replenishing the lubricant in one or more components of the turbine. Also a wind farm comprising a plurality of wind turbines in which at least one wind turbine is communicatively coupled to at least one other wind turbine. | 05-13-2010 |
20100158688 | AERODYNAMIC DEVICE FOR DETECTION OF WIND TURBINE BLADE OPERATION - An aerodynamic device is provided for detection of physical conditions of wind turbine blade operation. One or more vibration sensors are mounted on the blades in an aerodynamic housing and configured to monitor a physical condition of the blades that varies in accordance with a vibration of the housing. A processor is operably coupled to the one or more vibration sensors. The processor may be configured to use the vibration frequency of a component of the blade to determine the physical condition of the blade, and generate a signal indicating the physical condition of the blade when determined. | 06-24-2010 |
20110038729 | WIND TURBINES - A wind turbine having at least one air foil with a leading edge and a trailing edge and in which the air foil is rotatably mounted about an axis. A thermoelectric film is disposed over at least a portion of the leading edge of the air foil and this thermoelectric film generates heat upon application of a voltage differential across the thermoelectric film. A control unit is electrically connected to and controls the application of the voltage differential across the thermoelectric film to deice the air foil. | 02-17-2011 |
20110182732 | WIND TURBINE AND METHOD OF DEICING WIND TURBINE BLADE - A wind turbine is provided with a rotor including a plurality of blades and a deicing unit. The deicing unit performs a deicing operation only on one(s) of the plurality of blades, which has an azimuth angle within a predetermined range. The predetermined range is within a range from 90 to 270 degrees, and includes 180 degrees. Therefore, ice scattering is suppressed in deicing the wind turbine blades. | 07-28-2011 |
20130028738 | MULTIFUNCTIONAL DE-ICING/ANTI-ICING SYSTEM OF A WIND TURBINE - A de-icing/anti-icing system including at least two conductive structures embedded in a wind turbine blade. An outer surface is designed as an aerodynamic surface. At least one of the conductive structures is arranged adjacent the outer surface. A control unit adapted to control the energy supply to the conductive structures for generating heat to the outer surface. One conductive structure includes a first conductive nano structure. A conductive property of the conductive structure differs from a conductive property of the other conductive structure including a second conductive nano structure, for achieving different degrees of heat depending on the needed mode of the system. | 01-31-2013 |
20130195658 | AIRCRAFT ICE PROTECTION SYSTEM AND AIRCRAFT PROVIDED WITH THE SAME - An aircraft ice protection system is provided for preventing ice accretion on a wing of an aircraft or removing the accreted ice. Bleed air extracted from a main engine of the aircraft and air introduced from an air intake installed on an airframe and heated by a heat source of the airframe of the aircraft are selectively supplied to a hot air chamber formed inside the wing, thereby carrying out ice protection. | 08-01-2013 |
20140133984 | ELECTRICAL POWER TRANSFER SYSTEM FOR PROPELLER SYSTEM - A propeller system for an aircraft includes a propeller assembly rotatable about a central axis and a reduction gearbox operably connected to the propeller assembly via a propeller shaft. An electrical power transfer system is positioned such that the gearbox is located axially between the electrical power transfer system and the propeller assembly. The electrical power transfer system includes a slip ring assembly operably connected to an oil transfer tube extending to the propeller assembly and a brush block interactive with the slip ring assembly to transfer electrical power to a plurality of lead wires extending from the slip ring assembly to the propeller assembly. The brush block is positioned such that brush block tips of the brush block extend toward the slip ring assembly in a substantially axial direction relative to the central axis. | 05-15-2014 |
20140178200 | INDICATING CIRCUIT FOR INDICATING ROTATION SPEED OF A FAN AND ELECTRONIC DEVICE USING THE INDICATING CIRCUIT - An indicating circuit for indicating the rotation speed of a fan includes a rotation speed indicating module connected to the fan and receiving rotation speed signals from the fan. The indicating circuit includes a switch and a light emitting element. If the received signal is a high level signal, the switch is turned on, and the light emitting element emits light. If the reeived signal is a low level signal, the switch is turned off, and the light emitting element does not emit light. | 06-26-2014 |
20150125297 | DE-ICING OF A WIND TURBINE BLADE - A heating assembly for a blade of a wind turbine generator, said heating assembly comprising: a heat reservoir positioned within a cavity of said blade, said heat reservoir in communication with a heat source; said heat reservoir including a plurality of orifices for venting hot air from said heat reservoir. | 05-07-2015 |
20150303369 | DE-ICING ARRANGEMENT AND METHOD FOR DE-ICING A STRUCTURAL ELEMENT - A de-icing arrangement and a method for de-icing a structural element. The de-icing arrangement includes at least one electromagnetic actuator, a capacitive storage bank, a control unit arranged to provide an excitation pulse to the at least one electromagnetic actuator, and a charging circuit arranged to charge the capacitive storage bank. The at least one electromagnetic actuator is arranged to expand in at least one direction when fed with the excitation pulse. The at least one electromagnetic actuator is arranged in relation to the structural element so as to apply a mechanical force caused by the expansion on the structural element. The control unit is arranged to control cutoff of current discharge of the capacitive storage bank into the at least one electromagnetic actuator so as to abort the excitation pulse at a predetermined timing after start of the excitation pulse. | 10-22-2015 |