The present disclosure relates to a device and a method for swinging power generation and vibration suppression by using arc-shaped wing plates with rough surfaces. The device consists of two parts, namely, a rotary swinging system and a collector system. The rotary swinging system includes a collector riser, steering bearings, nanometer material arc-shaped power generation wing plates, and flexible tail plates. The collector system includes telescopic power generation cylinders, a waterproof electric slip ring, and a waterproof power transmission line. The suppression of energy-consumption-free vortex-induced vibration is realized under the combined action that the nanometer material arc-shaped power generation wing plates divide a flowing space and adjust a flow direction, the nanometer material arc-shaped power generation wing plates drive the flexible tail plates to swing to destroy a tail vortex street, and hemispherical bulges and trumpet-shaped deflector holes disturb a boundary layer around flow.

A fluid turbine apparatus includes a fixed structure and a rotating structure supported by the fixed structure. The rotating structure includes a central shaft, and at least two wings connected to the central shaft. Each of the wings includes a wing frame, at least one door and a respective at least one door stopper. Each of the doors pivots relative to the respective wing frame between closed and open positions. In use, the door located at one side of the central shaft facing a flow of fluid is in the closed position with fluid force transferred to the door, while the door located at the opposite side of the shaft is in the open position with fluid passing through the respective wing frame. The fluid force creates a torque that rotates the central shaft. Apparatuses can extract power from wind or water current.

The present invention provides an underwater installation-type water-flow power generation system constituted such that, even if a plurality of underwater installation-type water-flow power generation units is to be installed in a deep water area, a collision between each of the plurality of underwater installation-type water-flow power generation units can be prevented, and each of the underwater installation-type water-flow power generation units can be installed under the sea simply, rapidly, and safely in the same state as the installation under the shallow sea a large power generation output can be obtained efficiently and stably by using an ocean current or a water flow which is natural energy.

Crossflow axes rotary mechanical devices with dynamic increased swept area including at least two rotors attached to a support structure having their axes of rotation parallel to each other, having at least one blade attached to each rotor via a joint where the swept areas created by the blades of each rotor intersect, having at least one rotor synchronizing component so the blades from each rotor do not collide during the rotation are described. The rotors with blades share the space, the support structure, the rotor synchronizing component, the electric machines, as well as the characteristics, parameters, and effects that the crossflow axes rotary mechanical devices with dynamic increased swept area have compare to the crossflow axes rotary mechanical devices without dynamic increased swept area.

A kinetic modular machine for producing electricity from flows, either mono or bi-directional, moving at different speeds, includes one or more turbines that are “open center” and coaxial; a floating/positioning system; and a connection between the kinetic modular machine and a docking. Each turbine has a rotor, a stator, and a synchronous generator. In different configurations, the turbines are structurally, mechanically and electrically independent. The floating/positioning system includes a floater, a wing, and a fixture linking the turbines to the floater, implementing the control of the rotational axes (roll, pitch, yaw), with the wing keeping the machine at a given distance from the shore and the fluid surface. The modular design, having independent turbines, allows for a flexible design, keeping the installation and maintenance costs low.

A water-flow power generating apparatus for generating electricity by a force of a water flow in water includes a main body including one rotor configured to rotate by a force received by blades from a water flow, a generator generating electricity by a rotation force of the rotor, and a pod accommodating the generator; a mooring cable for mooring the main body to a bottom of water; and a connecting mechanism for connecting the mooring cable to the pod. The mooring cable and the pod are relatively movable along a vertical plane orthogonal to a center axis of the rotor. A center of buoyancy of the apparatus main body is on a vertical upper side with respect to a center of gravity of the apparatus main body.

The subject-matter of the invention is an apparatus for converting energy of wind or water, it is driven by natural energy of wind or water, it is a rotating machine with either magnetic control or mechanic one where blades move along an open eccentric path with continuously changing radius in its construction; in the construction one or more sliding blocks (2) are fastened on a driven axle (1) shapes suitable for sliding are formed in the said blocks, their number depends on the number of blade arms (3) of the blades (5), there are secondary sliding blocks (4) and a power transmission system is established, which is realized by the driven axle (1) and the blades (5) led to a leading path (6) eccentric to the axle.

A turbine, in particular for harvesting energy in flowing air or flowing water, is easily adaptable to different application conditions and facilitating a comparably high degree of efficiency. This is achieved in that the basic shape of the turbine is cylindrical and is provided with blades which are parallel to an axis of the turbine. The blades are pivotally arranged in joints on the outer circumference of at least one turbine wheel. The blades are substantially L-shaped. The longer limb of the blade is curved preferably in a manner corresponding to the radius of the turbine casing, and the shorter limb lies within the surface line of the turbine.

A gulf stream electric generator including a first funnel, a second opposite funnel, a propeller, and an electric turbine. The first funnel is a funnel and is placed such that the narrow end connects to an elongated tube. The second funnel is connected to a second end of the elongated tube such that the narrow end is connected to the tube. A propeller is placed within the elongated tube. The propeller is operable coupled to an electric turbine generator. The electric turbine will create an electric charge and send it to a power station for distribution.

A floating independent X-shaped self-aligning multiple hydro-generator with maximum thrust surface that generates electrical power by using river and sea currents, regardless of the direction thereof, not requiring a supporting structure on the seabed, and enabling the maintenance thereof above the surface of the water. The hydro-generator of the present invention is formed by at least one floating X-shaped structure with four arms, there being at the end of each an electrical generator driven by a mechanism for the conversion of the linear movement of a fluid into the rotational movement of a shaft, the conversion mechanisms being arranged in a clockwise direction around the shaft of the X-shaped structure, each of these being configured for an alternating clockwise or counter-clockwise direction of rotation, having a tube attached to the lower side of the X-shaped structure with a plate attached thereto.