Abstract: A wind turbine rotor includes a number of blades (5) which are rotatably mounted about an axis of rotation and a number of blade supports (12) each supporting a respective blade (5). Each blade support includes a pair of legs (14) which are spaced apart along the axis of rotation. A pair of hub supports (62) support the legs (14), with the hub supports (62) also being spaced apart along the axis of rotation. The rotor further includes a pair of bearing systems (52), each bearing system being associated with one of the hub supports (62) and each bearing system rotatably supporting its associated hub support so as to allow its associated hub support to rotate about the axis of rotation. Each hub support allows the communication of forces between the blades (5), and each hub support includes at least a pair of radially extending walls (80).

Abstract: A wind turbine rotor assembly comprises: a rotor support; a rotor which is rotatably mounted to the rotor support; and a base support; wherein the rotor support and base support are provided with an engagement mechanism which allows the rotor support and base support to engage with each other so that when the rotor support and base support are moved together a hinged connection is formed between the rotor support and base support, which hinged connection allows the rotor support to rotate relative to the base support during installation or decommissioning of the rotor.

Abstract: A wind turbine axial flux generator for converting wind into electricity includes: a generator rotor which is rotatable about an axis; and a stator; wherein one of the generator rotor and the stator is provided with magnets and the other is provided with electrical windings in which electricity is induced by relative movement between the generator rotor and the stator; and wherein the generator further includes: an up-wind air gap on the up-wind side of the electrical windings, between the electrical windings and at least some of the magnets on the up-wind side of the electrical windings; a down-wind air gap on the down-wind side of the electrical windings, between the electrical windings and at least some of the magnets on the down-wind side of the electrical windings; and at least one wind guide for directing the wind so that the wind flows through both the up-wind air gap and the down-wind air gap in order to cool the electrical windings from both the up-wind and down-wind sides of the electrical windings.

Abstract: A wind turbine rotor comprises: • a number of blades (5) which are rotatably mounted about an axis of rotation; • a number of blade supports (12), each blade support supporting a respective blade (5) and each blade support having a pair of legs (14) which are spaced apart along said axis of rotation; • a pair of hub supports (62) which support said legs (14), with said hub supports (62) also being spaced apart along said axis of rotation; and • a pair of bearing systems (52), each bearing system being associated with one of said hub supports (62) and each bearing system rotatably supporting its associated hub support so as to allow its associated hub support to rotate about said axis of rotation; • wherein each hub support allows the communication of forces between said blades (5), and each hub support comprises at least a pair of radially extending walls (80).

Abstract: A wind turbine axial flux generator for converting wind into electricity comprises: a generator rotor which is rotatable about an axis; and a stator; wherein one of said generator rotor and said stator is provided with magnets and the other is provided with electrical windings in which electricity is induced by relative movement between the generator rotor and the stator; and wherein said generator further comprises: an up-wind air gap on the up-wind side of said electrical windings, between said electrical windings and at least some of said magnets on the up-wind side of said electrical windings; a down-wind air gap on the down-wind side of said electrical windings, between said electrical windings and at least some of said magnets on the down-wind side of said electrical windings; and at least one wind guide for directing said wind so that said wind flows through both said up-wind air gap and said down-wind air gap in order to cool said electrical windings from both said up-wind and down-wind sides of said

Abstract: An offshore wind turbine generator comprises an elongated, buoyant tower, having an internal service tube, the service tube extending from the lower end of the tower to above the waterline when in use, a connection arrangement comprising an upper connection assembly, and a lower connection assembly. An intermediate tension/torsion leg is arranged between the upper and lower connection assemblies. The connection assembly is adapted for lowering and raising within the service tube.

Abstract: A wind turbine comprises a tower provided at the top with a horizontal shaft having an axis. A turbine rotor comprises turbine blades connected by a mounting arrangement to bearing members and to a rotor or a generator. Components of forces acting on the blades parallel to the axis are substantially exclusively communicated to the bearing members, for example by rigid straight members. Torque about the axis produced by the blades is communicated substantially exclusively to the rotor through a member.

Abstract: A wind turbine comprising: a shaft (2); a plurality of blade arrangements (8), each of which is rotatable around the shaft and has a blade (7), said blade arrangements and blades forming a blade rotor which is rotatable around the shaft; at least first and second bearing arrangements (6) spaced axially along the shaft, said blade rotor being connected to said first and second bearing arrangements; and a direct drive generator comprising a stator (10), which is rotationally fixed to the shaft, and a generator rotor (9) having a rim; wherein the first and second bearing arrangements each transmit radial forces from the blade rotor to the shaft, and at least one of the first and second bearing arrangements transmits bending moments to the shaft, each of the blade arrangements being connected to a point at or adjacent the rim of the generator rotor so as to transmit torque generated by the blade arrangement directly thereto, and wherein the generator rotor (9) is within the blade rotor.

Abstract: A wind turbine rotor assembly comprises: a rotor support; a rotor which is rotatably mounted to the rotor support; and a base support; wherein the rotor support and base support are provided with engagement means which allow said rotor support and base support to engage with each other so that when the rotor support and base support are moved together a hinged connection is formed between the rotor support and base support, which hinged connection allows the rotor support to rotate relative to the base support during installation or decommissioning of the rotor.

Abstract: A wind turbine comprising: a shaft (2); a plurality of blade arrangements (8), each of which is rotatable around the shaft and has a blade (7), said blade arrangements and blades forming a blade rotor which is rotatable around the shaft; at least first and second bearing arrangements (6) spaced axially along the shaft, said blade rotor being connected to said first and second bearing arrangements; and a direct drive generator comprising a stator (10), which is rotationally fixed to the shaft, and a generator rotor (9) having a rim; wherein the first and second bearing arrangements each transmit radial forces from the blade rotor to the shaft, and at least one of the first and second bearing arrangements transmits bending moments to the shaft, each of the blade arrangements being connected to a point at or adjacent the rim of the generator rotor so as to transmit torque generated by the blade arrangement directly thereto, and wherein the generator rotor (9) is within the blade rotor.

Abstract: A turbine rotor for a wind power plant or a hydropower plant with a direct-drive generator for converting the energy in flowing wind or water into electrical energy wherein the wind or hydropower plant comprises a turbine rotor and a stator and wherein the turbine rotor further comprises a ring-shaped hub (6) having an axis of rotation that coincides with the center axis of the stator and wherein the turbine rotor comprises at least one rotor blade, which rotor blade is arranged on the ring-shaped hub. The turbine rotor is also intended to be used as a propeller for a craft.

Abstract: A wind turbine comprises a tower provided at the top with a horizontal shaft having an axis. A turbine rotor comprises turbine blades connected by a mounting arrangement to bearing members and to a rotor or a generator. Components of forces acting on the blades parallel to the axis are substantially exclusively communicated to the bearing members, for example by rigid straight members. Torque about the axis produced by the blades is communicated substantially exclusively to the rotor through a member.

Abstract: A turbine rotor for a wind or hydropower plant or for propulsive means for a vessel where the turbine rotor comprises a generally doughnut-shaped hub. The doughnut-shaped hub is configured as a closed, hollow profile in a cross section B, and wherein the doughnut-shaped hub is formed either in the shape of a torus, the torus being circularly shaped in cross section B and the torus being ring-shaped in cross section A wherein the outer and inner circumferences of the ring are circular, or in the shape of a quasi-torus, the quasi-torus being polygonally or circularly shaped in cross section B and the torus being ring-shaped in cross section A wherein the outer and inner circumferences of the ring are polygonally or circularly shaped, on which torus or quasi-torus at least one rotor blade is provided. There is also provided a wind, hydro or tidal plant comprising the turbine rotor.

Abstract: A turbine rotor for a wind power plant or a hydropower plant with a direct-drive generator for converting the energy in flowing wind or water into electrical energy wherein the wind or hydropower plant comprises a turbine rotor and a stator and wherein the turbine rotor further comprises a ring-shaped hub (6) having an axis of rotation that coincides with the centre axis of the stator and wherein the turbine rotor comprises at least one rotor blade, which rotor blade is arranged on the ring-shaped hub. The turbine rotor is also intended to be used as a propeller for a craft.

Abstract: An arrangement for a floating wind power station (1) tower (3) which floats in a substantially vertical position in that the effective centre of gravity of the tower (3) is below the centre of buoyancy of the tower (3), and wherein a machine house (13) including rotor (15) is non-rotatably connected to the tower (3) and the tower (3) is articulatedly connected to the seabed (5), wherein the tower (3) is rotatable about a tower axis of rotation (29) in that lower part (21) of the tower (3) is provided with a swivel joint (27a or 27b) that is designed to essentially absorb vertical tensile forces.

Abstract: A method which continuously reduces the variations of the rotor axial force and thus reduces fatigue loads on rotor blades and tower, whilst the resultant output to the generator is not significantly affected or is maintained within acceptable limits in relation to limitations of the drive gear, generator and power grid. A method of using the rotor axial force to actively counter the motions of a floating power plant. The method of using the rotor axial force to actively counter the motions of a floating power plant. The method also describes how rotational forces about the vertical axis (12) of the tower (4) are controlled and countered by cyclic variation of pitch angles and associated forces on the individual rotor blade. The method also describes how the aerodynamic force variation on each individual blade as a consequence of different wind velocities at different heights (vertical wind shear) and in the horizontal direction parallel to the rotor plane (horizontal wind shear) can be reduced.

Abstract: A wind-driven power station mounted floating in deep water, comprising a machine house (8) including a generator (not s shown), regulating devices (not shown), rotor axle (9) and rotor blade (10), in which the machine house (8) is mounted at a tower (2) that mainly is floating in an upright position, and where the stability of the tower (2) is provided by means of ballast (5, 6) being placed in the lower part of the tower (2). The power station is kept in position and stabilized by means of anchor systems (12, 13, 14, 15, alternatively 16, 17, 18).

Abstract: An arrangement for a floating wind power station (1) tower (3) which floats in a substantially vertical position in that the effective centre of gravity of the tower (3) is below the centre of buoyancy of the tower (3), and wherein a machine house (13) including rotor (15) is non-rotatably connected to the tower (3) and the tower (3) is articulatedly connected to the seabed (5), wherein the tower (3) is rotatable about a tower axis of rotation (29) in that lower part (21) of the tower (3) is provided with a swivel joint (27a or 27b) that is designed to essentially absorb vertical tensile forces.

Abstract: a wind-driven power station mounted floating in deep water, comprising a machine house (8) including a generator (not s shown), regulating devices (not shown), rotor axle (9) and rotor blade (10), in which the machine house (8) is mounted at a tower (2) that mainly is floating in an upright position, and where the stability of the tower (2) is provided by means of ballast (5, 6) being placed in the lower part of the tower (2). The power station is kept in position and stabilized by means of anchor systems (12, 13, 14, 15, alternatively 16, 17, 18).