A rotor 16 is provided, including a vertical rotation axis 12 and at least two rotor blades 18, 20, 22 arranged on the rotation axis 12, wherein at least one rotor blade 18, 20, 22 includes an opening 60 with an openable closure element 62. Due to the design of the rotor blade 18, 20, 22, the rotor 16 has particularly high efficiency.

A vertical twin rotor water turbine apparatus and method for extracting energy from a flow of water is described herein. The described apparatus delivers favorable performance by virtue the operation of a novel configuration of a plurality of central cores with at least one blade member extending from each core and flow directors to increase the effectiveness and efficiency of said device.

According to a feature, the present invention comprises: a housing having a power generator provided therein; a rotating body coupled to the housing so as to rotate; rotary support bars coupled to the outer peripheral surface of the rotating body so as to rotate integrally with the rotating body around the housing; resistance plates formed in a plate shape, generating resistance by means of gas or fluid, and having fixing grooves formed to be recessed inwards from one side surface thereof such that the rotary support bars are rotatably inserted therein; and an angle restricting part for rotatably coupling the resistance plates to the rotary support bars such that the range of a rotational angle of the resistance plates is restricted, the resistance plates are in a vertical state so as to generate resistance in a forward direction in which the gas or fluid moves and the resistance plates are in a horizontal state so as to prevent the resistance from being generated in a reverse direction, wherein the rotating body rotates by the resistance power generated by the resistance plates and the power generator generates energy by means of the rotating power of the rotating body which rotates. The present invention as described above can provide the structure of the resistance plates of an energy generation apparatus, the structure in which the rotating body rotates by the resistance power generated by the resistance plates and the power generator can generate energy by means of the rotating power of the rotating body which rotates.

A rotor for power driving includes a hub, a plurality of first fixed jibs, a plurality of second fixed jibs, and a plurality of outer vanes. The hub is adapted to be coupled with a shaft to rotate together in a single rotational direction. The first fixed jibs are arranged around the hub circumferentially. Each second fixed jib is engaged on an end of a corresponding first fixed jib. Each outer vane is elastically fixed at a corresponding second fixed jib and extends in a direction different from the single rotation direction when not acted upon by external forces such that the plurality of outer vanes, when acted upon by external forces, are elastically movable relative to corresponding second fixed jibs to drive the shaft to rotate along the single rotational direction and can rebound after removal of the external forces.

A waterwheel assembly for a river or similar body of flowing water includes a waterwheel mounted on a support structure, and one or more buoyant members, wherein waterwheel can move up and down, and the buyout members support part of the weight of the waterwheel so that the waterwheel is able to rise and fall with any change to the river level, and the support structure is secured on land by the river or body of water by means of one or more cantilevered beams. The waterwheel has an axle secured between two vertical posts by means of salable bearings that permit the waterwheel to move up and down.

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.

A hydrodynamic power generation assembly and method of use therefor for generating electrical power from the combination of kinetic energy, hydrostatic energy, and turbulent energy of water. The power generation assembly comprises a water accelerator assembly comprising a support structure which is at least partially buoyant and a baffle panel member (or an array of baffle panel members) having an opening, inter-panel spacing, or flow passageway around the baffle panel(s). A hydropower converter is supported from, by, or on the support structure and is operatively coupled to a generator. The hydropower converter is positioned behind baffle assembly. Water flowing through or around the baffle assembly has an increased velocity relative the ambient current and therefore is capable of generating more power relative to the ambient water where power generation assembly is deployed. Particular types of hydropower converters suitable for use with the invention are turbines and water wheels.

This invention is the structure of electricity generation by ocean currents and the method of placing with three-way connection device, turbo-generator device, suspension device, and anchor device. The turbo-generator device, suspension device and anchor device are respectively connected to the three-way connection device by the cable. Also, to fix the structure of electricity generation could be only required just one anchor device, which would significantly lower the cost of construction. Throughout the method of placing, the cantilever mechanical device is as a traction for the suspension device remain on the surface of water by the cable, after which, the three-way connection device, turbo-generator device and the suspension device will be sink to the bottom of the water with the anchor device after releasing the traction with the suspension device. Therefore, the structure of electricity generation by ocean currents and the method of placing are straightforward and easy.

An electrical energy generating device (1) to transform kinetic energy of fluid passing through a pipe into electrical energy, the device may include a flow management unit (2) having a first housing (20) enclosing a plurality of tubes and a first gasket (27); a generating unit (3) having a second housing (30) with a plurality of coils (37) embedded within the second housing (30), a rotor rotatable within the second housing (30); and a connector (4) connecting the flow management unit (2) to the generating unit (3).

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.