A wind driven electric generator including a rotor which intercepts air movement to turn a drive line including a first right angle drive swivelly coupled on the top of a support tower and a second right angle drive located proximate ground level to deliver rotational energy of a drive line to an electric generator located proximate ground level.

A fiber composite component, comprising a basic element which comprises fibers embedded in a matrix material. A production method for a fiber composite component. A structural component, comprising a support element and the reinforcement element and also a production method for a structural component. The fiber composite component comprises a base element, comprising fibers embedded in a matrix material, and a reinforcement element, comprising fibers embedded in a matrix material wherein the base element and the reinforcement element are interconnected, a hole leads through the base element and the reinforcement element, wherein fibers of the base element that are adjacent to the hole are severed, and fibers of the reinforcement element that are adjacent to the hole are continuous.

The disclosure relates to a device for a cable guide of cables between a rotor hub and a rotor blade, which is rotatable about its longitudinal axis, of a wind turbine. A device is provided which, with simple means, ensures a reliable and gentle guidance of cables from the rotor hub into the rotor blade of a wind turbine, wherein pitching of the rotor blade should not be hindered and reliable energy supply of the electrical components in or on the rotor blade should be ensured. The rotor hub includes a bracket and the rotor blade includes a blade base. The cable guide is arranged centered in the middle between the bracket and the blade base and includes a cable ladder.

A shear web flange (36) for a shear web (32) of a wind turbine blade (18) is described. The flange (36) extends longitudinally and comprises a bonding surface (50) for bonding to an inner surface of a wind turbine blade (18). One or more protruding features (52a, 52b) protrude from the bonding surface (50). A method of making such a shear web flange (36) is also described as are a shear web (32) for a wind turbine blade (18), a wind turbine blade (18) and a method of making a wind turbine blade (18).

Wind turbine pitch actuator mounting structure A mounting structure is described for attaching a pitch actuator to a hub of a wind turbine. The mounting structure has one or more legs each having a proximal end and a distal end, and a flexible intermediate portion between the proximal and distal ends. The mounting structure further comprises an actuator attachment portion for attaching to a wind turbine blade pitch actuator. The actuator attachment portion is arranged at the distal end(s) of the one or more legs. The proximal end(s) of the one or more legs are configured for attachment to a wind turbine hub. The flexible intermediate portion(s) of the one or more legs are configured to flex in use to absorb loads acting on the pitch actuator. The mounting structure therefore allows the pitch actuator to pivot in a first plane by virtue of the flexible legs. The pitch actuator may be attached to the mounting structure via pivot bearings arranged to allow the pitch actuator to pivot in a second plane, substantially perpendicular to the first plane.

A structure for a turbine, the structure comprising a body having a multi-layer construction including an interior layer with substantially uniform concentrations throughout of facultative anaerobic organisms (FAO) that have gene sets capable of producing the enzyme urease and/or the proteins purloin, lustre A and perlustrin, along with glucose, and non-uniform concentrations throughout of a structural composition, the structural composition including a chitin-based component with silk fibronectin and water; an exterior layer of urea, water, calcium ions and facultative anaerobic organisms (FAOs) including urease, aragonite; and a binding layer of conchiolin protein intermediate the interior layer and the exterior layer. The facultative anaeorobic organisms (FAOs) are organisms classified in one of the Saccharomyces, Escherichia and Bacillus genuses.

A wind turbine comprising a frame on a floating pontoon, wherein the frame is constructed as a lattice rig upright on the pontoon forming a plurality of rectangular or square openings in the rig for receiving respective interchangeable wind turbine generators with associated drive propellers driven by incoming wind, and each wind turbine generator being arranged to travel up the rear of the rig and through the openings towards the front of the rig. The wind power plant is characterized in that each turbine generator comprises one or more pairs of propeller blades forming a propeller set having a blade diameter defining the turbine rotational plane, each propeller set is arranged at a distance from the front side of the rig to be rotated by the incoming wind towards the rig. There is also described a method for mounting turbines with associated propeller sets and openings in the rig, respectively.

The disclosure relates to a nacelle configured to be mounted on top of a wind turbine tower, comprising a nacelle hatch for covering a nacelle opening at a side of the nacelle facing a wind turbine hub. The nacelle hatch is completely supported by the nacelle when the hatch is closed, and the nacelle hatch forms a passageway to an opening in the wind turbine hub at a side of the wind turbine hub facing the nacelle when the hatch is opened. The passageway comprises a first side structure at least partially obstructing a downwards view on a first side of the hub and a second side structure at least partially obstructing a downwards view on a second side of the hub, the second side being opposite to the first side. The present disclosure further relates to wind turbines and to methods for accessing a wind turbine hub from a nacelle.

A toroidal lift force engine is provided. Illustratively, the toroidal lift force engine operates in an enclosed environment without heat and/or expelling particles of any kind, utilizing asymmetric pressure distribution on lift turbine blades solely to generate thrust with the normal component of this lift force, while using the tangential component of this lift force to drive accessories, provide control to the fluid velocity, and/or provide motivation of the fluid's flow. The toroidal lift force engine may be utilized to generate thrust, heat and/or electricity for powering vehicles, homes, etc.

A system for measuring displacements of a blade root of a rotor blade of a wind turbine is disclosed. The system comprises a hub, a rotor blade coupled to the hub by a pitch bearing. The system further comprises a reference plane and at least one displacement sensor. The reference plane is configured to move with the rotor blade as the rotor blade moves relative to the hub while the displacement sensor is fixed to the hub and the displacement sensor is configured to detect a displacement of the reference plane relative to the hub without physical contact. Alternatively, the reference plane has a fixed position with respect to the hub while the displacement sensor is fixed to the rotor blade and the displacement sensor is configured to detect a displacement of the reference plane relative to the rotor blade without physical contact.