EP2422029A2 - Tour pour éolienne - Google Patents

Tour pour éolienne

Info

Publication number
EP2422029A2
EP2422029A2 EP10713586A EP10713586A EP2422029A2 EP 2422029 A2 EP2422029 A2 EP 2422029A2 EP 10713586 A EP10713586 A EP 10713586A EP 10713586 A EP10713586 A EP 10713586A EP 2422029 A2 EP2422029 A2 EP 2422029A2
Authority
EP
European Patent Office
Prior art keywords
tower
coating
wood
components
helix
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP10713586A
Other languages
German (de)
English (en)
Inventor
Holger Giebel
Gregor Prass
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TimberTower GmbH
Original Assignee
TimberTower GmbH
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 TimberTower GmbH filed Critical TimberTower GmbH
Publication of EP2422029A2 publication Critical patent/EP2422029A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/02—Structures made of specified materials
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/02—Structures made of specified materials
    • E04H12/04—Structures made of specified materials of wood
    • 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
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • 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
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/91—Mounting on supporting structures or systems on a stationary structure
    • F05B2240/912—Mounting on supporting structures or systems on a stationary structure on a tower
    • 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
    • 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
    • Y02E10/728—Onshore wind turbines

Definitions

  • the invention relates to a method for erecting a tower for a wind turbine and a tower for a wind turbine.
  • a wind turbine In a wind turbine is a device for generating electrical energy.
  • the wind turbine is provided with a foundation, a tower which is built on the foundation, and a gondola which is placed on the tower.
  • the drive unit At the nacelle is the drive unit connected to rotor blades for power generation.
  • the construction of the tower is geared to the static load generated by the nacelle on the tower and the dynamic loads generated by the rotation of the rotor's rotor blades and the possibility of the gondola moving depending on the wind direction.
  • Well-known towers are made of steel rings or concrete elements.
  • the bases of the known towers are either polygons or annular circle segments.
  • Polygonal towers, which are made of individual segments of concrete, are known from WO 2003/069099 A. Furthermore, it is known to erect such polygonal towers made of wood (DE 10 2007 006 652 A1).
  • the concrete cover absorbs the pressure loads and at the same time serves to protect the steel structure against the environmental influences in the form of moisture and chemical reactions by the surrounding atmosphere.
  • the thickness of the concrete must ensure that the steel framework is protected against these loads.
  • wooden constructions the corresponding weather conditions are counteracted by painting.
  • only wood materials approved for outdoor use can be used for the construction of wooden towers.
  • the object of the invention is therefore to provide a method for erecting a tower for a wind turbine and a tower for a wind turbine, in which it is possible to increase the height of construction while saving material and / or to reduce manufacturing costs.
  • the object according to the invention is achieved in that on the outer surface of the tower at least partially a
  • Coating is applied, and the coating is applied so that the coating absorbs tensile loads acting on the outer surface of the coating
  • such a coating makes it possible to reduce the amount of steel required in terms of tensile loads, since the coating absorbs tensile loads while at the same time saving the coat of the steel elements.
  • concrete towers it is possible to reduce the concrete cover over the steel framework, so that a cost reduction arises.
  • wooden towers the coating makes it possible to use wood-based materials and their bonding agents which have only an approval for interior work.
  • the coating in the coated portion of the tower is applied over the entire surface, and the coated portion wrapped. It is advantageous that the coating is a laminate, a film, a fabric, a textile or a plate.
  • a film, a plate, a fabric and / or textile made of plastic with particular preference polypropylene, polyurethane, polyvinyl chloride, polyester, polycarbonate or polyethylene are used as materials.
  • Such materials are able to absorb tensile stresses and at the same time provide a seal and thus a seal against the environmental influences acting on the surface of the tower.
  • such materials have lower basis weights than, for example, paints on the surface of the tower, so that this weight can be reduced in the construction in terms of static pressure load, whereby the tower construction can be made slimmer overall.
  • the cost of these materials for example, compared to paints, lower.
  • Another teaching of the invention provides that the coating is applied at different times of the tower direction.
  • the coating is applied after erection of the tower. This can be done from above or below. Alternatively, the coating in sections during the construction of the tower or on the individual
  • Components are applied before the erection of the tower. If the coating is applied before erection of the tower, then it has proved to be advantageous to apply the coating on site to the construction site.
  • the individual sections of the coating are then connected to one another, wherein the bonding is particularly preferably carried out by gluing or welding of the joints.
  • the coating is applied directly to the components of the tower. Preferably, the application takes place over the entire surface by gluing. Alternatively, a partial bonding can take place on a surface of a component. Bonding ensures that the static load is absorbed by the coating.
  • the tower is at least partially made of steel, concrete, in particular reinforced concrete, and / or wood is built.
  • the wood is cross-laminated timber and / or wood composites.
  • a further teaching according to the invention provides that the coating has a lower vapor permeability than wood itself when using wood as tower material. In this way, the diffusion is reversed, i. H. that the vapor permeability of the tower does not become larger towards the outside, but to the inside.
  • Another teaching of the invention provides that heat is generated in the interior of the tower, wherein it is preferably in the case of wind turbines to power electronics of the wind turbine. Due to the heat generation, the moisture inside the tower is removed upwards and the moisture escaping from the wood is moved towards the inside of the tower and also removed. If the coating is damaged, the moisture is transported away to the inside. The moisture in the particles and minerals gradually closes the damage to the coating, while still ensuring that the moisture escapes inwards.
  • the supporting structure of the tower is constructed of materials that are not suitable for outdoor use. These are materials that have been approved for indoor use only in the construction of buildings. By applying the coating it becomes possible to use such materials as well Use connection means for the support structure of a tower for a wind turbine, because the coating ensures the state of the internal use of the materials.
  • the tower is assembled from individual components on site.
  • the components assembled on site are flat elements.
  • the components of the tower are mounted in a helix. It is preferred that the helix is a single helix or a multiple helix.
  • Another teaching of the invention provides that the upper joints of the individual components of a helix have either a continuous line or a gradation.
  • a further teaching of the invention provides that the components in the joints have slots which are arranged transversely to the impact direction.
  • connecting means are introduced, which are preferably metal sheets, in this case particularly preferably perforated sheets, is.
  • these connecting elements are inserted and glued into the slots or openings.
  • the butt holes can be taped with, for example, a tape or Plexiglas.
  • the introduction of the adhesive takes place by spraying the spaces between the component and the connecting element.
  • wooden parts or wooden dowels can be used if the components are wood elements.
  • the object of the invention is achieved in that the tower for a wind turbine is provided with a coating from the surface of the outside of the tower, which receives at least a portion of the tensile loads acting on the surface and the surface of the outside of the tower against the external influences on the surface, in particular moisture, seals.
  • a coating makes it possible to reduce the amount of steel required in terms of tensile loads, since the coating absorbs tensile loads while at the same time saving the coat of the steel elements.
  • concrete towers it is possible to reduce the concrete cover over the steel framework, so that a cost reduction arises.
  • the coating makes it possible to use wood-based materials and their bonding agents which have only an approval for interior work.
  • the coating on the surface of the outside of the tower is at least partially applied over the entire surface.
  • the coating is a laminate, a film, a fabric and / or a textile or a plate.
  • These are preferably made of plastic, which is particularly preferably a plastic made of polypropylene, polyethylene and / or polyurethane.
  • plastic is particularly preferably a plastic made of polypropylene, polyethylene and / or polyurethane.
  • Such materials are able to absorb tensile stresses and at the same time provide a seal and thus a seal against the environmental influences acting on the surface of the tower.
  • such materials have lower basis weights than, for example, paints on the surface of the tower, so that this weight can be reduced in the construction in terms of static pressure load, whereby the tower construction can be made slimmer overall.
  • the cost of these materials for example, compared to paints, lower.
  • the coating is adhered at least partially on the tower surface.
  • the coating consists of individual sections which are connected to each other, wherein the bonding is preferably done by gluing or welding. Bonding ensures that the static load is absorbed by the coating.
  • the tower is at least partially constructed of steel, concrete, in particular reinforced concrete and / or wood.
  • the wood is preferably cross-laminated timber and / or wood composite material.
  • the coating in wood has a lower vapor permeability than the wood.
  • the diffusion is reversed, i. H. that the vapor permeability of the tower does not become larger towards the outside, but to the inside.
  • a heat generator is furthermore preferably arranged, which is preferably the power electronics of a wind power plant. Due to the heat generation, the moisture inside the tower is removed upwards and the moisture escaping from the wood is moved towards the inside of the tower and also removed. If the coating is damaged, the moisture is transported away to the inside. The moisture in the particles and minerals gradually closes the damage to the coating, while still ensuring that the moisture escapes inwards.
  • the support structure of the tower is at least partially constructed of materials that are not suitable for outdoor use. These are materials that have been approved for indoor use only in the construction of buildings. By applying the coating, it becomes possible to do so
  • the tower is composed of individual components on site.
  • the individual components are preferably flat elements.
  • the constituents are composed into a helix, this being preferably a single helix or a multiple helix.
  • the upper abutment faces of the individual components preferably have a continuous line or a step.
  • the components in the joints have slots which are arranged transversely to the impact direction and / or along the direction of impact.
  • connecting means are used, which are preferably metal sheets, particularly preferably perforated sheets, which are preferably glued.
  • the butt holes can be taped with, for example, a tape or Plexiglas.
  • the introduction of the adhesive takes place by spraying the spaces between the component and the connecting element.
  • wooden parts or wooden dowels can be used if the components are wood elements.
  • FIG. 1 is a perspective view of a wind turbine with a tower according to the invention
  • FIG. 6 shows an alternative embodiment of a tower according to the invention
  • FIG. 7 shows an interior view of the wall elements to Fig. 6,
  • FIG. 8 shows a spatial view of a basic element of a further alternative embodiment of the tower
  • FIG. 9 is a perspective view of the construction of a tower of FIG. 8;
  • FIG. 10 is a perspective view of a connecting means according to the invention.
  • FIG. 10 is a detail view of FIG. 10,
  • FIG. 12 a completely assembled view of FIG. 10, FIG.
  • FIG. 14 is a sectional detail view of FIG. 13,
  • FIG. 17 is a plan view of FIG. 16; FIG.
  • FIG. 18 shows a method for applying a coating
  • 19 is a side view of a coated tower wall
  • 20 is a side view of a wall structure according to the invention
  • FIG. 21 shows a side view of an adapter for fastening a nacelle with a tower according to the invention
  • FIG. 22 is a plan view of the underside of the connector
  • Fig. 23 a first embodiment of an adapter according to the invention.
  • Fig. 24 a second embodiment of an adapter according to the invention.
  • Fig. 1 shows a wind turbine 30, which consists of a tower 31, which stands on a foundation 32, and a nacelle 33, which is connected via an adapter 35 to the tower 31.
  • a rotor 34 On the nacelle 33, which is designed to be horizontally rotatable, a rotor 34 is provided which has rotor blades 36 which are connected in a hub 37 with the nacelle 33.
  • the tower 31 has an outer side 38.
  • the tower 31 is designed as a polygon. In the present case it is a hexagon, other polygons such as quadrangle, pentagon, octagon, toenail or dodecagon or larger are also readily possible. The same applies to a circular cross section.
  • the tower 31 according to FIG. 2 has six tower sides 39, which are conical over their entire side.
  • the tower sides 39 are formed from individual wall elements 40, which optionally have a shortened wall element 41 at the bottom and 42 at the top.
  • the wall elements 40 are designed as a tapered trapezoid, wherein the individual wall elements can be composed of different sub-elements.
  • the embodiment according to FIG. 2 has a helical structure.
  • FIG. 3 In which the six sides are shown side by side.
  • the individual wall elements 39 are arranged from side to side always offset by a sixth of the wall height upwards to each other, the dimensions of the individual wall elements 40 was taken into account in accordance with the conical inlet of the individual tower sides 39.
  • the six wall elements form a helix section 43. This construction ensures that the seventh following wall element is arranged directly on top of the first wall element and these two wall elements are abutting each other on the impact side.
  • the offset is 1 / n * height wall element 40, where n is the number of polygon corners.
  • the tower 31 also has a simple helical structure.
  • the illustrated towers in turn have six sides and each side has a lower and an upper terminating element, possibly as a shortened wall element 41, 42.
  • the individual wall elements therebetween are tapered, the lower and upper side of the shock, although parallel to each other, but at an angle ⁇ are designed inclined with respect to the foundation side upwards.
  • the angle ⁇ is advantageously chosen so that it corresponds to 360 ° by the number of sides, so that in turn the N + 1 wall element can again be arranged on the first wall element of a helix section 43 in the case of N sides.
  • the lower and upper sides of the joints of the wall element 40 form a continuous line 56.
  • the embodiment according to FIG. 5 also represents a simple helical arrangement, wherein the embodiment of FIG. 5 differs from the embodiment of FIG. 4 in that the upper and lower sides of the wall elements 40 have three sections, which is one first rising
  • Section 57 a subsequent horizontal section 58 and a second rising section 59 is. Overall, this in turn forms a continuous line 56, the slope, however, changes, based on the individual wall elements.
  • Fig. 6 shows another embodiment of a tower 31 according to the invention.
  • the construction of this tower comprises a multiple helix.
  • the tower is built in Shape of a basic element 53, which rests on a foundation 32.
  • tower elements 54 are placed on the base 53.
  • the tower is terminated by a closing element 55, on which then the nacelle 33 or the adapter 35 is arranged.
  • the base element 53 has a plurality of shortened wall elements 41.
  • the number of shortened wall elements 41 in the base element 53 indicates the number of helix strands screwed together. If six shortened wall elements 41 are arranged in the base element 43, this means that six helical screw threads have been twisted into one another.
  • the wall elements 40 are designed as two triangles which are offset by an angle along a line 46.
  • the line 46 is designed as an outer edge 46.
  • the two triangles form part surfaces 44 and 45, as can be seen in FIG.
  • the basic element 53 is shown in FIG. 8.
  • twelve shortened wall elements 41 are provided in the base element 53, so that a total of twelve helix strands are twisted together.
  • the wall element is designed as a circular segment 50.
  • the individual tower elements 54 are either preassembled with an intermediate plane 52, as shown in FIG. 9, placed on the underlying tower element 54 or base element 53, or mounted individually.
  • FIG. 7 A type of connection of the individual wall elements 40 to each other is shown in Fig. 7.
  • the two contacting in the assembled state abutting surfaces 47 are connected to a connecting means, for example, adhesive in wood elements. For steel elements, welding the joints is a good option.
  • the abutment surfaces can be provided with recesses 48, which are not provided over the entire width of the abutment surface 47, but end before piercing the outer wall side 38.
  • the inner side 51 of the tower wall is shown, so that the recesses 48 are visible.
  • Connecting means 49 are used and these are then connected to the wall elements 40.
  • the connecting means 49 may be dowels or metal plates or sheets.
  • connection possibilities illustrated in FIG. 7, such as the bonding of the joints and the provision of recesses and the insertion of connection means, are not limited to the multiple helix embodiment. Such embodiments can also be used in the single-helical forms as shown in FIGS. 2 to 5.
  • connection of the wall elements 40 with each other can be done in various ways.
  • recesses 48 are provided, are used in the connecting means 49.
  • These connection means are then connected to the wall elements, for example by gluing or the like, to create a holding operative connection.
  • This active compound can then absorb shearing movements and the like or the resulting stresses.
  • FIG. 10 A further variant is shown in FIG. 10, wherein triangular or wedge-shaped recesses 48 are provided in the wall elements 40. On the abutment surfaces 47 of the wall elements 40 adhesive can be applied. The same applies to the surfaces 64 of the recesses 48.
  • the connecting means 49 is provided as a diamond-shaped cuboid in the form of a dowel 61.
  • the dowels 61 are also wood dowels. These dowels 61 can be used either after placing the wall elements 40 on the abutment surfaces 47 in the recesses 48, or the dowels 61 are inserted into the recess 48 of the already mounted wall element 40 and the overlying wall element is provided with the recesses provided there on the dowel 61 placed and then arranged in total on the abutment surface 47 and by gluing or similar bonding method locked. The bonding is shown in FIG. 11 as adhesive 60. A further illustration of the wooden dowels 61 is shown in FIG. 12.
  • FIGS. 13 and 14 show the connecting form of the sheet-metal elements in slots already torn for FIG. 7.
  • recesses 48 are provided in the wall elements 40 in the form of slots which are embedded in the abutment surface 47 but are not fully continuous until they pass from the inside 51 to the outside 38, but a residual wall element 65 remains
  • perforated plates 62 are used.
  • adhesive is applied and the next wall element 40 is placed with its recess 48 on the wall on the perforated plates 62.
  • the wall elements can be placed on each other and the perforated plates are inserted into the then existing recesses 48 and, as shown in Fig. 14, glued with adhesive 60.
  • the end face of the perforated plates can in turn be covered with an adhesive tape or other suitable covering means. This serves u. a. also as corrosion protection.
  • connection option is shown in FIG. 15.
  • FIGS. 16 and 17 This embodiment is shown in FIGS. 16 and 17.
  • recesses 48 in the form of a parallel to the outside 38 and inner side 51 of the wall member 40 extending slot.
  • elongated plates 66 are used as connecting means 49 and also glued together.
  • FIG. 18 illustrates the application of a coating 69 to a wall element 40.
  • an adhesive device 67 is provided, which sprays the adhesive 60 onto the outside of the tower 38 of the wall element 40.
  • the coating 69 is applied directly, which is provided as a roller 68.
  • the coating 69 is unrolled from the roll 68 on the surface wetted with adhesive and thus applied to the surface of the wall member 40.
  • the application can be carried out after the erection of the tower 31 on the individual tower sides 39.
  • each individual wall element can be directly coated, or the coatings can be done after the single wall element has been attached to the tower, so that the coating of the wall elements takes place individually in the installed state.
  • the joints of the coating (not shown) are connected to each other, so that a continuous, entire enclosure of the tower 31 is formed by the coating 69.
  • the finished coated state is shown in FIG.
  • FIG. 20 then shows the operating state of the wind turbine 30 and the prevailing vapor pressure gradient, represented in the form of the moisture movement 71 and the removal of moisture by the heat removal 72.
  • the coating 69 has a lower vapor permeability than the material of the wall element 40. This is particularly necessary in the use of wood, because it ensures that any moisture passing through the coating 69 is removed from the transition region coating to wood and also from the wood construction as such.
  • the heat removal 72 influences the climatic conditions within the tower so that there is a water vapor gradient from outside to inside.
  • the moisture collecting on the surface of the inner side 51 of the tower 31, which has passed through the wall element 40 is entrained by the rising heat and is removed therefrom from the tower 31. The resulting water vapor rises and escapes from the tower.
  • a suction of the water vapor can be provided.
  • a temperature gradient such that the outside temperature is lower than the temperature inside the tower 31.
  • an adapter 35 according to the invention is proposed, which allows a transition of the polygonal tower 31 to the circular segment-shaped connection of the gondola 33.
  • a side wall 76 is provided, at the lower end of a flange 73 is provided which has holes 74.
  • the flange 73 is centrally provided with an opening 75.
  • the flange 73 serves to be placed on the polygonal abutment surface 47 of the uppermost portion of the tower 31 and to be connected by the holes 74 with the tower.
  • connecting portions 74 are provided for the gondola 33.
  • a reinforced portion 78 may be provided on the sidewall 76.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Architecture (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Materials Engineering (AREA)
  • Sustainable Energy (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Sustainable Development (AREA)
  • Wind Motors (AREA)

Abstract

L'invention concerne un procédé pour ériger une tour pour éolienne ainsi qu'une tour correspondante pour éolienne. Il est prévu d'appliquer au moins en partie un revêtement sur la surface extérieure de la tour, ledit revêtement étant appliqué de sorte à absorber les contraintes de traction exercées sur la surface extérieure de la tour et à assurer l'étanchéité de ladite surface extérieure de la tour en la protégeant des influences environnementales qui agissent sur elles depuis l'extérieur, en particulier l'humidité.
EP10713586A 2009-04-19 2010-04-14 Tour pour éolienne Withdrawn EP2422029A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009017586A DE102009017586A1 (de) 2009-04-19 2009-04-19 Turm für eine Windkraftanlage
PCT/EP2010/002281 WO2010121733A2 (fr) 2009-04-19 2010-04-14 Tour pour éolienne

Publications (1)

Publication Number Publication Date
EP2422029A2 true EP2422029A2 (fr) 2012-02-29

Family

ID=42779573

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10713586A Withdrawn EP2422029A2 (fr) 2009-04-19 2010-04-14 Tour pour éolienne

Country Status (6)

Country Link
US (1) US20120036798A1 (fr)
EP (1) EP2422029A2 (fr)
AT (1) AT12187U3 (fr)
CA (1) CA2759150A1 (fr)
DE (1) DE102009017586A1 (fr)
WO (1) WO2010121733A2 (fr)

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DE102013002549A1 (de) 2013-02-15 2014-08-21 Timbertower Gmbh Turm für eine Windkraftanlage
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CN112805140B (zh) * 2018-09-28 2022-09-23 通用电气公司 用于制造伸缩式风力涡轮塔架结构的方法
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DE102009017586A1 (de) 2010-10-28
AT12187U3 (de) 2012-09-15
CA2759150A1 (fr) 2010-10-28
WO2010121733A3 (fr) 2011-10-27
US20120036798A1 (en) 2012-02-16
AT12187U2 (de) 2011-12-15
WO2010121733A2 (fr) 2010-10-28

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