Abstract: A liquid damper for a wind turbine tower includes a damper housing formed from a horizontal lower annulus, a horizontal upper annulus, an essentially cylindrical outer vertical wall and an essentially cylindrical inner vertical wall, wherein the outer diameter of the damper corresponds to the interior diameter of the tower; an operational volume of liquid contained in the damper; and an arrangement of vertical ribs mounted to a vertical wall of the damper. Further provided is a method of assembling a wind turbine.

Abstract: The invention relates to a load-handling means for a tower or a tower section of a wind turbine, which load-handling means has tower-attachment means for attachment to an upper end or in the region of an upper end of a tower or a tower section of a wind turbine, and attachment points for attaching at least one anchoring means of a lifting gear unit. The invention also relates to a method for erecting a wind turbine, in particular an offshore wind turbine. The load-handling means according to the invention includes at least one oscillation damper, or at least one oscillation damper is attached, in particular releasably and/or exchangeably, to the load-handling means, the damping frequency of which oscillation damper lies in the region of a natural frequency of a clamped or freestanding tower or tower section without a gondola.

Abstract: An openwork load-bearing structure for a wind turbine, in particular a lattice-tower structure for a wind turbine, in particular a foundation structure for a wind turbine, in particular for anchoring an offshore wind turbine in the ground via driven foundation piles, wherein the openwork load-bearing structure has primary structures, via which loads which occur in the load-bearing structure as a result of the wind turbine are dissipated, and secondary structures, which perform functional, rather than load-dissipating, tasks, wherein the secondary structures are arranged on the primary structures and are connected integrally thereto, and wherein the integral connection between the primary and the secondary structures is in the form of a connecting layer arranged therebetween. Also, a method for producing a lattice-tower structure for a wind turbine, in particular a foundation structure for a wind turbine, in particular for anchoring an offshore wind turbine in the ground via foundation piles.

Abstract: A composite structure for a pile foundation for anchoring a tower structure (e.g., an offshore wind turbine) in ground, which includes a hollow pile introduced into the ground at an erection site of the tower structure and a corner post which is connected to the tower structure and which, on a connection side, is arranged within the pile. The pile and the corner post are fixedly bonded to one another in a bonding region by a cured bonding material. At least one bonding means for transmitting shear forces is fixedly arranged on the pile and/or on the corner post in the bonding region. The bonding means has at least one aperture which is filled with the bonding material or, together with the corner post or pile, forms the aperture that is filled with the bonding material. The aperture encloses the bonding material by an angular range of 90° or more.

Abstract: A method for anchoring a foundation structure (3) in a seabed (1) that includes introducing a receiving structure (6) into the seabed, lowering a support post (5) of the foundation structure (3) into the receiving structure (6), producing a connection between the receiving structure (6) and foundation structure (3) by filling the receiving structure (6) with a curable filling compound (7), and curing the curable filling compound (7), wherein the support post (5) is fixed in the receiving structure (6) prior to filling the receiving structure (6) with the curable filling compound (7). Also disclosed is a foundation structure (3) for an offshore wind turbine, for anchoring in a seabed (1), which includes at least one support post (5) to be introduced into a receiving structure (6), which has fixing elements (11, 20) for temporarily fixing in the receiving structure (6) before grouting is carried out.

Abstract: The invention relates to a load-handling means for a tower or a tower section of a wind turbine, which load-handling means has tower-attachment means for attachment to an upper end or in the region of an upper end of a tower or a tower section of a wind turbine, and attachment points for attaching at least one anchoring means of a lifting gear unit. The invention also relates to a method for erecting a wind turbine, in particular an offshore wind turbine. The load-handling means according to the invention includes at least one oscillation damper, or at least one oscillation damper is attached, in particular releasably and/or exchangeably, to the load-handling means, the damping frequency of which oscillation damper lies in the region of a natural frequency of a clamped or freestanding tower or tower section without a gondola.

Abstract: A method for anchoring a foundation structure (3) in a seabed (1) that includes introducing a receiving structure (6) into the seabed, lowering a support post (5) of the foundation structure (3) into the receiving structure (6), producing a connection between the receiving structure (6) and foundation structure (3) by filling the receiving structure (6) with a curable filling compound (7), and curing the curable filling compound (7), wherein the support post (5) is fixed in the receiving structure (6) prior to filling the receiving structure (6) with the curable filling compound (7). Also disclosed is a foundation structure (3) for an offshore wind turbine, for anchoring in a seabed (1), which includes at least one support post (5) to be introduced into a receiving structure (6), which has fixing elements (11, 20) for temporarily fixing in the receiving structure (6) before grouting is carried out.

Abstract: A composite structure for a pile foundation for anchoring a tower structure (e.g., an offshore wind turbine) in ground, which includes a hollow pile introduced into the ground at an erection site of the tower structure and a corner post which is connected to the tower structure and which, on a connection side, is arranged within the pile. The pile and the corner post are fixedly bonded to one another in a bonding region by a cured bonding material. At least one bonding means for transmitting shear forces is fixedly arranged on the pile and/or on the corner post in the bonding region. The bonding means has at least one aperture which is filled with the bonding material or, together with the corner post or pile, forms the aperture that is filled with the bonding material. The aperture encloses the bonding material by an angular range of 90° or more.

Abstract: An openwork load-bearing structure for a wind turbine, in particular a lattice-tower structure for a wind turbine, in particular a foundation structure for a wind turbine, in particular for anchoring an offshore wind turbine in the ground via driven foundation piles, wherein the openwork load-bearing structure has primary structures, via which loads which occur in the load-bearing structure as a result of the wind turbine are dissipated, and secondary structures, which perform functional, rather than load-dissipating, tasks, wherein the secondary structures are arranged on the primary structures and are connected integrally thereto, and wherein the integral connection between the primary and the secondary structures is in the form of a connecting layer arranged therebetween. Also, a method for producing a lattice-tower structure for a wind turbine, in particular a foundation structure for a wind turbine, in particular for anchoring an offshore wind turbine in the ground via foundation piles.

Abstract: The modular kit for a tower has a height ranging between a minimum height and a maximum height, in particular for a wind energy turbine, comprises a first conical tower segment (10) comprising a steel tube having a predetermined length (11), a second conical tower segment (12) comprising a steel tube having a predetermined length (12), and a first cylindrical tower segment (14) comprising a steel tube having a length between a predetermined minimum length and a predetermined maximum length. The length of the first cylindrical tower segment (14) can be adapted to the necessary height of the tower between its minimum height and its maximum height. The minimum height is the sum of the predetermined lengths (11,12) of the first and second conical tower segments (10,12) and the minimum length of the first cylindrical tower segment (14).

Abstract: The invention relates to a wind turbine and a method for operating the wind turbine planted in the floor of a body of water. The wind turbine includes a support structure and a rotor, which is arranged on the support structure. The rotor has a rotor blade. The wind turbine operates in a trundle mode in order to reduce the oscillations in the support structure created through mechanical impacts on the support structure.

Abstract: A tower, in particular for a wind energy turbine, comprises a first tower segment (18) having a wall (20) comprising concrete material and a second tower segment (26) having a wall (28) comprising steel. The wall (28) of the second tower segment (26) comprises an end portion (30) embedded in an embedent portion (32) of the wall (20) of the first tower segment (18). The second tower segment (26) within its embedded end portion (30) comprises at least one anchoring element (38, 40, 52) projecting radially from an inner or an outer surface (42, 44) or both inner and outer surfaces (42, 44) of the wall (28) of the second tower segment (26), the anchoring elements (38, 40, 52) being arranged along an axial direction of the second tower segment (26).

Abstract: This invention entails a wind energy system for offshore use with a longitudinal direction (L) running substantially vertically to an ocean surface in the erected state and with a plurality of feet determined for making contact with the ocean bottom whose extensions in the longitudinal direction (L), especially the depth and/or relief of the ocean bottom, are adapted to a predetermined erection site.

Abstract: The invention relates to a wind turbine and a method for operating the wind turbine planted in the floor of a body of water. The wind turbine includes a support structure and a rotor, which is arranged on the support structure. The rotor has a rotor blade. The wind turbine operates in a trundle mode in order to reduce the oscillations in the support structure created through mechanical impacts on the support structure.

Abstract: A tower, in particular for a wind energy turbine, comprises a first tower segment (18) having a wall (20) comprising concrete material and a second tower segment (26) having a wall (28) comprising steel. The wall (28) of the second tower segment (26) comprises an end portion (30) embedded in an embedent portion (32) of the wall (20) of the first tower segment (18). The second tower segment (26) within its embedded end portion (30) comprises at least one anchoring element (38, 40, 52) projecting radially from an inner or an outer surface (42, 44) or both inner and outer surfaces (42, 44) of the wall (28) of the second tower segment (26), the anchoring elements (38, 40, 52) being arranged along an axial direction of the second tower segment (26).

Abstract: The modular kit for a tower has a height ranging between a minimum height and a maximum height, in particular for a wind energy turbine, comprises a first conical tower segment (10) comprising a steel tube having a predetermined length (11), a second conical tower segment (12) comprising a steel tube having a predetermined length (12), and a first cylindrical tower segment (14) comprising a steel tube having a length between a predetermined minimum length and a predetermined maximum length. The length of the first cylindrical tower segment (14) can be adapted to the necessary height of the tower between its minimum height and its maximum height. The minimum height is the sum of the predetermined lengths (11,12) of the first and second conical tower segments (10,12) and the minimum length of the first cylindrical tower segment (14).

Abstract: This invention entails a wind energy system for offshore use with a longitudinal direction (L) running substantially vertically to an ocean surface in the erected state and with a plurality of feet determined for making contact with the ocean bottom whose extensions in the longitudinal direction (L), especially the depth and/or relief of the ocean bottom, are adapted to a predetermined erection site.