An electricity generator includes a wind tunnel positioned on the vehicle. The wind tunnel has an open first end and an open second end. The open first end is in communication with ambient air. A turbine chamber is fluidly coupled to the open second end of the wind tunnel. At least one wind turbine is positioned in the turbine chamber. The at least one wind turbine includes a housing. A rotor is positioned in the housing along an axis that is substantially perpendicular to an axis of the wind tunnel.

The device for conversion of wave energy into electrical energy consists of a supporting structure, the first working body, an anchor and anchor cables. The supporting structure is connected to the anchors by anchor cables, while the first working body is slidably connected to the supporting structure. The motion transformation system is firmly connected to the supporting structure and comprises rigid gears toothed with gears with rolls on one side while on the other side they are hinged to the first working body, on the other side of the gears with the rolls, rigid gears are connected at one end, while their other end is hinged to other working body. The gears with rolls are connected by shafts with a multiplier that drives the generator that further produces electricity. The device constructed in this way has the possibility of transport to the place of exploitation, because it floats stably on its own. The anchor system is transported to the place of exploitation using a transport body that also has the ability to float on its own and to submerge.

An electricity generator includes a wind tunnel positioned on the vehicle. The wind tunnel has an open first end and an open second end. The open first end is in communication with ambient air. A turbine chamber is fluidly coupled to the open second end of the wind tunnel. At least one wind turbine is positioned in the turbine chamber. The at least one wind turbine includes a housing. A rotor is positioned in the housing along an axis that is substantially perpendicular to an axis of the wind tunnel.

Apparatus (2) for generating electricity using water movement, which apparatus (2) comprises: (i) at least one electrical generator (4) which is for generating the electricity and which comprises a housing (6), a rotor (8) and a stator (10); (ii) at least one control means (12) for use in the maintenance of the apparatus (2), and the apparatus (2) being such that: (iii) the control means (12) is configured to enable the removal of at least a defective part (14) in the electrical generator (4); (iv) the control means (12) is configured to enable the reception of a replacement part (16) for the defective part (14); (v) the apparatus (2) includes transport means (18) for transporting the defective part (14) around the apparatus (2) such that the defective part (14) is able to be removed from the apparatus (2), and for transporting the replacement part (16) around the apparatus (2) such that the replacement part (16) is able to be installed in place of the defective part (14); and (vi) the defective part (14) and the replacement part (16) are parts whereby the defective part (14) is able to be removed by the control means (12), the replacement part (16) is able to be installed by the control means (12), and the removal and replacement are able to be effected without the need for divers even although the apparatus (2) in use is submerged at depth in the water.

A block type wave power generation apparatus of the present invention comprises: a floating unit for absorbing kinetic energy of waves and moored to the sea by a wire; a base unit for passing the wire extended from the floating unit therethrough and positioning the floating unit within a predetermined area of the sea; a power generation unit for transmitting kinetic energy of the floating unit from the wire passing through the base unit, and converting the kinetic energy into electrical energy.

A spar for use in a blade of a wind turbine comprises a plurality of rods having polygonal cross-sections bundled together into a bundle having a first plurality of rods disposed along a widthwise extent of the bundle and a second plurality of rods disposed along a heightwise extent of the bundle and means to secure rods within the plurality of rods to one another.

An electricity generator includes a wind tunnel positioned on the vehicle. The wind tunnel has an open first end and an open second end. The open first end is in communication with ambient air. A turbine chamber is fluidly coupled to the open second end of the wind tunnel. At least one wind turbine is positioned in the turbine chamber. The at least one wind turbine includes a housing. A rotor is positioned in the housing along an axis that is substantially perpendicular to an axis of the wind tunnel.

A hydroelectric power system includes a fluid channel having a bottom surface and side walls configured to form a fluid passage, a upraised curved lip integral with the bottom surface and configured to form a cavity, and a turbine in fluid communication with the fluid channel, the turbine being configured to fit at least partially within the cavity of the upraised curved lip. A method includes creating a spatial fluid flow of the fluid traveling through the fluid channel with the upraised curved lip and creating electrical power via the turbine with the fluid passing over the upraised curved lip.

A diffuser component for a gas turbine is provided, where a fluid flow in the direction of a combustion chamber of the gas turbine can be slowed down by the diffuser component, and a flow cross-section of the diffuser component, which is defined by a diffuser wall is widened to do so. The diffuser wall is at least locally braced, in that at least one stiffening element with a lattice-type structure is provided on the diffuser wall.

In embodiments of the present invention improved capabilities are described for a mobile wind power support structure, comprising a superstructure with mobile platform support structures, and a plurality of deployable rotating wind power structures, wherein the plurality of deployable rotating wind power structures are positioned in the superstructure through a wind orientation facility.