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WO2009077842A2 - Dispositif de transmission de moyens d'actionnement - Google Patents

Dispositif de transmission de moyens d'actionnement Download PDF

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Publication number
WO2009077842A2
WO2009077842A2 PCT/IB2008/003473 IB2008003473W WO2009077842A2 WO 2009077842 A2 WO2009077842 A2 WO 2009077842A2 IB 2008003473 W IB2008003473 W IB 2008003473W WO 2009077842 A2 WO2009077842 A2 WO 2009077842A2
Authority
WO
WIPO (PCT)
Prior art keywords
shaft
drive train
hollow
drive
electrical
Prior art date
Application number
PCT/IB2008/003473
Other languages
German (de)
English (en)
Other versions
WO2009077842A3 (fr
Inventor
Alexander Jeschke
Jan Rademacher
Original Assignee
Innovative Windpower Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Innovative Windpower Ag filed Critical Innovative Windpower Ag
Priority to DE112008003311T priority Critical patent/DE112008003311A5/de
Publication of WO2009077842A2 publication Critical patent/WO2009077842A2/fr
Publication of WO2009077842A3 publication Critical patent/WO2009077842A3/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D15/00—Transmission of mechanical power
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D15/00—Transmission of mechanical power
    • F03D15/10—Transmission of mechanical power using gearing not limited to rotary motion, e.g. with oscillating or reciprocating members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/70—Bearing or lubricating arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/80—Arrangement of components within nacelles or towers
    • F03D80/82—Arrangement of components within nacelles or towers of electrical components
    • F03D80/85—Cabling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2250/00—Geometry
    • F05B2250/30—Arrangement of components
    • F05B2250/31—Arrangement of components according to the direction of their main axis or their axis of rotation
    • F05B2250/311—Arrangement of components according to the direction of their main axis or their axis of rotation the axes being in line
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/40—Transmission of power
    • F05B2260/403—Transmission of power through the shape of the drive components
    • F05B2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
    • F05B2260/40311—Transmission of power through the shape of the drive components as in toothed gearing of the epicyclic, planetary or differential type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/40—Transmission of power
    • F05B2260/406—Transmission of power through hydraulic systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05B2260/76—Adjusting of angle of incidence or attack of rotating blades the adjusting mechanism using auxiliary power sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05B2260/79—Bearing, support or actuation arrangements therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Definitions

  • Device for transmitting supply means in and / or through a drive train of a wind turbine wherein the drive train comprises at least one shaft on a drive side and at least one shaft on an output side, wherein at least two shafts of the drive train have a substantially identical rotation axis have, wherein the wind turbine has a nacelle, in which the drive train is at least partially located and wherein at least one shaft of the drive train is formed as a hollow shaft and that in the hollow shaft connecting the input and output side body is at least partially located.
  • slip rings are mounted on the inside of the rotating hub and connected directly to the fixed relative to the machine house of the wind turbine connections.
  • DE 600 11 737 discloses a method for mounting main components in or on a windmill, in which a windmill tower is initially erected, then a nacelle is mounted on a support surface at the top of the windmill tower, and finally the gondola Main component generator, gear box and wings are mounted in or on the nacelle, the nacelle is provided with side supports for attaching the main components to the nacelle and with an opening through which the main components are introduced into or on the nacelle, and wherein the main components of Bottom of the underside of the nacelle by means of a diaper or a pulley, which is attached to the top of the nacelle, mounted in the top or in the nacelle.
  • DE 3 714 859 describes a transmission combination for wind and water small-scale power plants.
  • a continuously variable transmission component arranged in the transmission path between the power and working machine is described, which makes it possible to realize the prerequisite for the generation of current-constant frequency to cover the basic requirement as an autonomous supply network (island operation). This allows the freedom and prerequisite for a performance-optimizing adjustment of the engine speed, whereby an efficient detection and implementation of this regenerative clean energy takes place.
  • the invention has for its object to improve the prior art.
  • a drive train in particular for use in a wind turbine or in an electric machine, wherein the drive train comprises a gearbox and / or a generator, wherein supply means can be provided by or for the drive train, wherein the drive train at least a first Having a shaft on a drive side and a second shaft on a driven side, wherein a third shaft is designed as a hollow shaft, whereby a cavity is formed within the third shaft, and the third shaft has a cavity located at least partially body, which the drive side with the Output side connects.
  • the first shaft on the drive side can be designed in particular as a hollow shaft for a planetary gear, in which form the hollow shaft meshes with the planet.
  • the shaft of the output side can also form the shaft for the generator at the same time.
  • the body may have openings through which the generator or transmission may exchange resources with the environment.
  • the third wave can also form the first or second wave.
  • the body may be designed to be stored in the third wave.
  • the body may be formed as a tube or other hollow body.
  • the material of the body may include insulators, conductors or semiconductors.
  • the rotation can be configured independently of the rotation of a shaft or decoupled from the third wave.
  • the body is designed as a tube, a simple realization of the storage can take place.
  • the body can be designed so that a person can get from the drive side to the output side.
  • the object can be achieved by a power transmission shaft for use in drive trains, wherein the power transmission shaft is designed as a hollow shaft, which forms a cavity in which a body is rotatably mounted.
  • the object can be achieved by a device for transmitting supply means in and / or by a drive train of a wind turbine, wherein the drive train at least one shaft on a drive side and at least one shaft on a driven side um- holds, wherein at least two shafts of the drive train have an approximately identical axis of rotation, wherein the wind turbine has a nacelle, in which the drive train is at least partially located and wherein at least one wave of the Driveline is pronounced as a hollow shaft and that in the hollow shaft connecting the input and output side body is at least partially located.
  • This driveline may include at least one transmission and at least one generator, wherein the main shafts of the transmission (s) and the generator (s) may be substantially rotatable about the same main axis of rotation.
  • the term drive side usually describes the connected to the hub of the wind turbine, the drive train driving shaft.
  • the term of the output side usually describes the driving shaft of the drive train, which ends in at least one of the generators contained in the drive train. Any other point on the main axis of rotation located between the rotor hub and the output side may be considered the drive side. The same applies to the output side. Any point on the main axis of rotation between the connected to at least one generator end of the output shaft of the drive train and the drive side can be interpreted as the output side.
  • delivery means is intended to encompass, in particular, any form of information, signals and / or operating means within this document, the term of the resources in particular comprising the entire range of lubricants and energy supply.
  • ready-position means can be transmitted through the entire drive train and / or a portion of the drive train, although the individual, rotating about the main axis of rotation waves may have different speeds. These different speeds may be due in particular by the transmission ratio of the transmission.
  • the connecting the input and output side of the drive train body simultaneously be a second wave of the drive train.
  • the connecting body can be designed such that it rotates at the speed of the drive shaft.
  • the connecting body may be designed such that it rotates at the speed of the output shaft.
  • the connecting body may also be substantially non-rotatably connected to the machine house or at least one component of the machine house.
  • the transmission of the supply center can take place in such a way that the connecting body is designed as a hollow body and the transfer of the provisioning means can take place within the hollow space.
  • the cavity of at least one connecting body can be configured in such a way that operating means, in particular lubricants, are transmitted through or into the drive train.
  • a further implementation form may in this regard have lubricant outlet openings, which enable lubrication of individual drive train components, in particular of the transmission.
  • the connecting body may be designed such that a power supply, in particular of components within the hub of the wind turbine, is made possible.
  • power supply lines may be located in at least one cavity of at least one connecting body.
  • the device can in particular serve the transmission of electrical and / or optical signals.
  • the transmission of these signals can be provided by corresponding electrical and / or optical lines, which can be located within at least one of the hollow body.
  • a transmission of such signals between at least one signal source and / or signal sink within the wind turbine and the device on the input and / or output side can be effected by at least one slip ring according to a further embodiment of the device according to the invention.
  • slip rings can also be used for signal transmission between device components which have different rotational speeds.
  • the connecting bodies can be made of different materials.
  • at least one of the connecting bodies may be realized as a unit with at least one of the shafts rotating on the main axis of rotation and thus made of the same material as the shaft.
  • additional manifestations metal or composite materials can be used.
  • a further embodiment of the device can be realized in that the connecting body behaves with limited flexibility with respect to any stresses resulting, for example, from inaccurate centering of the body with respect to its axis of rotation.
  • the body can consist of suitable synthetic materials, in particular PVC.
  • the connecting bodies may be made of materials which are particularly suitable for the transmission of the providing means.
  • a further embodiment with respect to the lubricant transfer may have a surface resistant to the lubricant.
  • a further form of expression that can be used with regard to the transmission of electrical variables can provide an electrically insulating realization of the hollow bodies, within which electrical lines can be routed.
  • a further embodiment of the device according to the invention may comprise at least one rotary bearing, by means of which at least one of the connecting bodies is rotatably mounted with respect to at least one other component of the drive train.
  • the pivot bearing includes in this regard any form of rotatable mounting, in particular the rotatable mounting by means of a sliding, ball, roller or needle bearing.
  • FIG. 1 shows a drive train of a wind power plant, which contains an embodiment of the device according to the invention for the transmission of electrical signals.
  • Fig. 2 shows a detail of a drive train of a wind turbine, which includes a device according to the invention for transmitting electrical signals and a lubricant for lubricating the transmission contained in the drive train.
  • Fig. 3 shows a drive train of a wind turbine, which contains a further embodiment of the device according to the invention for the transmission of electrical signals.
  • the drive train of a wind power plant shown in FIG. 1 comprises an anti-rotating shaft 105, which is set in rotation by the hub 103 fitted with rotor blades 101.
  • the driving shaft 105 drives the two-stage planetary gear of the drive train by means of a direct connection to the first sun gear 107.
  • the rotational movement of the first sun gear 107 is transmitted via the planet gears 109 to the combined ring gear 111, which in turn drives the planet gears 113 of the second gear stage.
  • the planet gears 113 act on the second sun gear 115, which drives the output shaft or rotor 117 of the driveline associated generator (not shown). Which are on a substantially identical axis of rotation located waves 105 and 117 have, based on the translation of the transmission 105,109,111,113,115, different speeds.
  • the connecting body 105 and the driving shaft 105 form a unit, which is designed as a hollow cylinder.
  • the connecting body 105 is connected on the drive side substantially non-rotatably with the hub 103, so that the corresponding cables 127 can be connected directly to the corresponding connections of the rotor blades 101 for signal transmission.
  • the aborting shaft 117 is also designed as a hollow shaft, through the cavity of the connecting body 105 is performed without contact and connection.
  • the connecting body 105 On the output side, the connecting body 105 is rotatably supported by a ball bearing 119.
  • This construction described above makes it possible to provide the electrical signals or the corresponding cables 127 on the output side, with the connecting body 105 or the corresponding cables rotating on the output side at the drive-side rotational speed.
  • a slip ring 121 is used in order to enable an electrical connection of the drive-side speed rotating cable 127 on the output side with a corresponding, non-rotating electrical connection 123 of the wind turbine.
  • a slip ring 121 is used.
  • the rotating part of the slip ring is non-rotatably connected to the rotating, connecting body 105 and the non-rotating part of the slip ring 121 rotatably connected to a non-rotating component (not shown) of the machine house.
  • the rotating cables 127 are connected to the rotary electrical terminals of the slip ring 121, and the non-rotating terminals of the slip ring 121 are connected to the wind turbine side terminal 123.
  • FIG. 2 shows a detail of an expanded form of the first embodiment, which makes it possible on the one hand to realize a transmission of electrical signals between the hub and the wind turbine and on the other hand, a transmission of a lubricant in the transmission.
  • the drive shaft 105 which again forms a unit with the connecting body 105, is in turn mounted without connection and without contact within the driven shaft 117.
  • the driven shaft 117 is also non-rotatably connected to the sun gear 115 of the second gear stage.
  • a further connecting body 203 is located, which is also pronounced as a hollow cylinder.
  • electrical lines are located, which allow, as in the first embodiment, a transmission of electrical signals between the hub and the wind turbine.
  • the clearance 205 between the inner wall of the outer hollow cylinder 105 and the outer wall of the inner hollow cylinder 203 is used in this embodiment for the transmission of a lubricant in the transmission.
  • the lubricant is pressed into the intermediate space 205 and passes through the corresponding outlet openings 201 in the transmission.
  • An embodiment of the device according to the invention for transmitting electrical signals between the hub and the wind turbine was shown in FIG. Such a transmission can also be realized by other embodiments, of which a possible embodiment is shown in FIG.
  • FIG. 3 shows the drive train of a wind turbine, through which the transmission of electrical signals by means of the method according to the invention is realized.
  • the rotor blades 101 are connected to the hub 103 of the wind turbine, which rotates the drive shaft 301 of the drive train.
  • the drive shaft 301 designed as a hollow shaft is non-rotatably connected to the sun gear 305 of the two-stage planetary gear belonging to the drive train.
  • the rotational movement of the sun gear 305 is transmitted via the planetary gears 109, the combined ring gear 111, the planetary gears 113 and the sun gear 115 of the second planetary gear to the sun gear 115 rotatably connected driven shaft 117.
  • the driven shaft 117 is designed as a hollow shaft.
  • the connecting body 105 forms here, unlike the first embodiment, no unit with the driving shaft, but is pronounced as an independent hollow cylindrical body.
  • This hollow cylinder 105 is on the output side rotatably connected to a component of the machine house (not shown) and is therefore rotationally free with respect to the machine house.
  • the non-rotating hollow cylinder 105 is first guided without connection and contact through the interior of the abreibenden shaft 117.
  • the connection and contact-free mounting of the hollow cylinder 105 within the transmission wherein the hollow cylinder is guided by the sun gears 115 and 305 each designed as a ring gear with outer ring gear.
  • the hollow cylinder is also located without connection and contact in the cavity of the driving shaft 301, wherein the this side end of the hollow cylinder 105 is non-rotatably connected to the non-rotating part of the slip ring 303.
  • the rotating part of the slip ring 303 is also non-rotatably connected to the hub 103, so that an electrically conductive connection between the rotating hub 103 and the sensors located in the rotor blades 101 (not shown) and the rotation-free cable 127 within the hollow cylinder 105 is realized.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Wind Motors (AREA)
  • General Details Of Gearings (AREA)

Abstract

Dispositif de transmission de moyens d'actionnement dans une chaîne cinématique et/ou par une chaîne cinématique d'une éolienne, caractérisé en ce que la chaîne cinématique comprend au moins un arbre côté entrée et au moins un arbre côté sortie, et en ce qu'au moins deux arbres de la chaîne cinématique présentent un axe de rotation sensiblement identique, en ce que l'éolienne présente une nacelle dans laquelle la chaîne cinématique est positionnée au moins partiellement, et en ce qu'au moins un arbre de la chaîne cinématique est configuré en tant qu'arbre creux, et en ce qu'un corps reliant le côté entrée et le côté sortie est disposé au moins partiellement dans l'arbre creux.
PCT/IB2008/003473 2007-12-14 2008-12-12 Dispositif de transmission de moyens d'actionnement WO2009077842A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112008003311T DE112008003311A5 (de) 2007-12-14 2008-12-12 Vorrichtung zur Übertragung von Bereitstellungsmitteln

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007060985.1 2007-12-14
DE102007060985A DE102007060985A1 (de) 2007-12-14 2007-12-14 Vorrichtung zur Übertragung von Bereitstellungsmitteln

Publications (2)

Publication Number Publication Date
WO2009077842A2 true WO2009077842A2 (fr) 2009-06-25
WO2009077842A3 WO2009077842A3 (fr) 2009-11-05

Family

ID=40680090

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2008/003473 WO2009077842A2 (fr) 2007-12-14 2008-12-12 Dispositif de transmission de moyens d'actionnement

Country Status (2)

Country Link
DE (2) DE102007060985A1 (fr)
WO (1) WO2009077842A2 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010060147B4 (de) * 2010-10-25 2017-03-09 Eickhoff Antriebstechnik Gmbh Planetengetriebe mit einem Zentralverteiler
DE102010064647B3 (de) 2010-10-25 2022-12-29 Eickhoff Antriebstechnik Gmbh Planetengetriebe mit einem Zentralverteiler
DE102011117901A1 (de) 2011-11-08 2013-05-08 Robert Bosch Gmbh Rohreinrichtung zur Übertragung von Versorgungsmitteln durch einen Antriebsstrang einer Windkraftanlage
DE102011119471A1 (de) 2011-11-25 2013-05-29 Robert Bosch Gmbh Vorrichtung zur Übertragung von Versorgungsmitteln durch einen Antriebsstrang einer Windkraftanlage
DE102012200561A1 (de) 2012-01-16 2013-07-18 Wobben Properties Gmbh Schleifringübertrager
JP5626256B2 (ja) * 2012-04-12 2014-11-19 株式会社安川電機 発電装置
JP5626257B2 (ja) 2012-04-12 2014-11-19 株式会社安川電機 発電装置
GB201304412D0 (en) * 2013-03-12 2013-04-24 Orbital 2 Ltd Planetary Gear Box
DE102014000044B3 (de) * 2014-01-07 2015-05-07 Senvion Se Vorrichtung zur Führung eines Leitungsstrangs innerhalb einer Hohlwelle
DE102016203803B4 (de) * 2016-03-09 2025-04-30 Zf Friedrichshafen Ag Kabelführungsrohr

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Publication number Priority date Publication date Assignee Title
GB2071779A (en) * 1980-03-17 1981-09-23 United Technologies Corp Wind turbine blade pitch adjustment system
US20040162181A1 (en) * 2003-02-18 2004-08-19 General Electric Company Gearbox for wind turbine
EP1544504A2 (fr) * 2003-12-19 2005-06-22 Winergy AG Transmission planetaire, en particulier pour une centrale d'énergie éolienne
DE102005011023A1 (de) * 2005-03-10 2006-09-14 Knut Schwedler Windenergieanlage
EP1717489A2 (fr) * 2005-04-29 2006-11-02 Pujol Muntala S.A. Engrenage de multiplication ou de réduction du type épicycloïdale pour utilisation dans des éoliennes et similaires
EP2080904A1 (fr) * 2008-01-17 2009-07-22 Gamesa Innovation & Technology, S.L. Unité d'embrayage pour éolienne

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Publication number Priority date Publication date Assignee Title
DE3714859A1 (de) * 1987-05-05 1988-11-24 Walter Schopf Getriebekombination fuer wind- und wasserkleinkraftwerksanlagen
FI91313C (fi) * 1991-08-23 1994-06-10 Valmet Oy Tuulivoimala ja menetelmä tuulivoimalan sähkögeneraattorin käytössä
DE10357026B3 (de) * 2003-12-03 2005-06-09 Repower Systems Ag Windenergieanlage

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2071779A (en) * 1980-03-17 1981-09-23 United Technologies Corp Wind turbine blade pitch adjustment system
US20040162181A1 (en) * 2003-02-18 2004-08-19 General Electric Company Gearbox for wind turbine
EP1544504A2 (fr) * 2003-12-19 2005-06-22 Winergy AG Transmission planetaire, en particulier pour une centrale d'énergie éolienne
DE102005011023A1 (de) * 2005-03-10 2006-09-14 Knut Schwedler Windenergieanlage
EP1717489A2 (fr) * 2005-04-29 2006-11-02 Pujol Muntala S.A. Engrenage de multiplication ou de réduction du type épicycloïdale pour utilisation dans des éoliennes et similaires
EP2080904A1 (fr) * 2008-01-17 2009-07-22 Gamesa Innovation & Technology, S.L. Unité d'embrayage pour éolienne

Also Published As

Publication number Publication date
WO2009077842A3 (fr) 2009-11-05
DE112008003311A5 (de) 2010-11-25
DE102007060985A1 (de) 2009-06-18

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