SUZLON ENERGY GMBH Patent applications |
Patent application number | Title | Published |
20140028025 | DEVICE AND METHOD FOR DETERMINING A BLADE POSITION AND FOR ENDING A SAFETY RUN - A wind turbine assembly has a hub, a rotor blade, a bearing that can be installed between the rotor blade and the hub, and an adjusting device. The rotor blade is arranged on the hub so as to be rotatable substantially its longitudinal axis. The adjusting device comprises at least one electric adjusting motor, which drives a gear connected to the rotor blade by means of a drive pinion, a converter coupled to an electric network and controlling the adjusting motor, and a control unit for the adjusting motor. The adjusting device comprises means for producing a signal that depends on the adjustment position of the rotor blade and an evaluating unit for comparing the signal or a derivative of the signal. | 01-30-2014 |
20130115073 | NACELLE COVER - For a wind turbine, an electromagnetically shielding nacelle cover is formed of a composite material which can comprise, for example, an outer layer made of a fiber material or fiber mats such as glass fiber mats and an interposed foam layer. A conductor layer, for example a mesh, a woven fabric or a coating made of conductive material is integrated between the fiber layers of the composite material to provide electromagnetic shielding of the nacelle. The conductor layer is also connected, or can be connected, directly or indirectly, to at least one conductive structure that is applied to the outside of the nacelle cover. | 05-09-2013 |
20130105199 | TOWER FOR A WIND TURBINE | 05-02-2013 |
20130068496 | TOWER FOR A WIND TURBINE - The invention relates to a tower for a wind turbine and to a cable guide therefor, wherein a nacelle is arranged on the tower such that it can rotate by means of the azimuth bearing about a vertical axis which runs in the longitudinal direction of the tower. A guide device is arranged between a cable bundle and the tower, wherein the guiding device has means for supporting the lower area of the cable bundle in a radial direction, and for supporting with respect to the tower in a circumferential direction. | 03-21-2013 |
20120263594 | WIND TURBINE - A wind turbine is provided with a rotor, a substantially horizontal rotor shaft, with a machine frame, with output means for dissipating the rotation energy of the rotor; wherein the output means are formed as ring gear or planet carrier of a gear box; the rotor shaft is connected in a rotation-fixed manner to the machine frame; the rotor has a hub and at least one rotor blade attachable thereto, is rotatably supported on the rotor shaft, and is connected substantially in a rotation-fixed manner to the output means; wherein decoupling connecting means are effectively arranged between the output means and the rotor, so as to substantially prevent the transmitting of radial, axial and/or tilting motions from the rotor onto the output means. | 10-18-2012 |
20120244989 | DRIVE UNIT FOR A WIND TURBINE - A drive unit for a wind turbine is provided: wherein the wind turbine comprises a rotor rotatably supported on a machine frame with a hub and at least one rotor blade attachable thereto, wherein the drive unit has a gear box for converting the rotational speed of the rotor according to a gear box ratio, comprising at least one ring gear, a planet carrier, at least two planet wheels, a sun wheel and a output shaft, wherein the ring gear is connectable to the rotor in a rotation-fixed manner and in effective engagement with planet wheels, planet wheels are rotatably supported on the planet carrier planet wheels cooperate with the sun wheel and the sun wheel is connected with the output shaft, wherein the drive unit has a substantially horizontal rotor shaft for rotatably supporting the rotor, wherein the rotor shaft can be directly or indirectly fixedly connected to the machine frame. | 09-27-2012 |
20120224799 | BEARING ASSEMBLY FOR A WIND TURBINE - The present invention relates to a bearing device for a wind turbine, wherein the bearing arrangement has two bearing partners, which are pivoted arranged relative to each other over a common axis. A gliding pad acting in an axial direction is provided between the bearing partners. The object of the invention is to provide a bearing arrangement for a wind turbine, which among others avoids the disadvantages of the prior art. In particular, a maintenance-friendly and force flow-optimized arrangement of the gliding pads is to be enabled. The replaceability of the gliding pads is to be improved in a simple and cost-effective manner by disposing the individual gliding pads in pockets between the two bearing partners, wherein the pockets are provided in the material of the machine frame. Additionally, the option exists to use the bearing arrangement at the same time as an active brake. | 09-06-2012 |
20120139246 | ASYNCHRONOUS GENERATOR SYSTEM AND WIND TURBINE HAVING AN ASYNCHRONOUS GENERATOR SYSTEM - The present invention relates to an asynchronous generator system for a wind turbine, and a wind turbine with such a system, and the method for operating and starting up such a wind turbine. Herein, the asynchronous generator system is developed especially simply and thus cost-effectively and is able to go through wind storms and the increase of rotational speed associated therewith. | 06-07-2012 |
20120039011 | TRANSMISSION DEVICE FOR A WIND TURBINE - The invention relates to a transmission device for a wind turbine, having a holder, a sliding contact device having pressing means, and at least one electrode having adjustment means for transmitting lightning current. The electrode can form a spark gab having a sparking distance S together with a ring electrode, wherein the ring electrode can be arranged on the rotary device, or can be connected to a grounding device that cannot be rotated with respect to the rotary device. To improve the transmission, the holder is rotationally fixed arranged on the rotary device, or arranged in a non rotatable manner with respect to the grounding device. Furthermore, the electrode is arranged in a movable manner relative to the holder by means of a tracking device having support means. The electrode is supported by way of the supporting means relative to the rotary device or the ring electrode such that the sparking distance S can not fall below a minimum dimension. | 02-16-2012 |
20120010852 | METHOD FOR MONITORING WIND TURBINES - A method for determining damage to a rotor blade of a wind turbine, includes at least the following time-domain-analysis steps: measuring the vibrations of a rotor blade by means of an acceleration sensor; obtaining event-time intervals, in which the amplitudes of the measurements steadily exceed a threshold; obtaining the number of these event-time intervals in at least a predetermined analysis time interval; and sending an error signal, when the obtained number of the event-time intervals is above a predetermined threshold for a predetermined analysis time interval. | 01-12-2012 |
20110299975 | BRAKE SYSTEM FOR A WIND TURBINE - The invention relates to a brake system for a wind turbine having a machine house rotatably mounted in horizontal plane on a tower, at least one stop brake ( | 12-08-2011 |
20110062720 | CONTROL BOX FOR A WIND TURBINE - The invention relates to a control box for arranging in a rotor hub of a wind turbine that can be rotated about a rotational axis. Such control boxes receive electrical components such as relays, inverters, sensors and the like, in the inner region thereof, which is defined by a wall, said components being required for the control of sheet displacement systems, also called pitch systems. Spurious particles can find their way into the control box during maintenance or even via air inlets and outlets. Especially dangerous parts are electro-conductive spurious parts that can trigger a short circuit (wires, cable parts, washers, screws etc.) and mechanically relevant bodies that can block ventilators, for example. Wind turbines are also known from prior art, wherein magnets are provided in the control boxes in the rotor hub, and ferro-magnetic spurious particles can thereby be fixed inside the control box. The aim of the invention is to provide a control box for a wind turbine, wherein the fault tolerance of the control box is increased. To this end, according to the features of claim | 03-17-2011 |
20100259045 | Wing Energy Installation with Enhanced Overvoltage Protection - A wind energy installation and method for production of electrical energy from wind energy by means of the wind energy installation having a rotor which can be driven via wind power and has rotor blades whose pitch angles can be adjusted by means of at least one adjusting apparatus, which can be driven electrically, in order to influence the rotational speed of the rotor, wherein a generator rotor is connected to the rotor, and the generator rotor together with the stator forms a generator, | 10-14-2010 |