The invention relates to a toroidal electric generator (100) comprising a stator (20), which includes a tubular body (21) supporting a plurality of windings (24), and a rotor (30) rotatable within the stator (20) and comprising a support element (31) and a plurality of hydraulic blades (32), each provided with a respective magnet (34) and mounted on the support element (31) integral to it. The toroidal electric generator (100) further comprises an external casing (40) and a plurality of separating elements (51, 52), each separating element being arranged between a respective pair of adjacent windings (24) of the plurality of windings (24) of the stator (20).

Systems and methods for use in capturing energy from natural resources. In one form, the systems and methods capture energy from natural resources, such as movement of fluid in a body of water, and convert it into electrical energy.

A device including a frame; an actuator attached to the frame and slidaby movable along a linear axis; a helical member positioned within the frame and rotatably movable with respect to the frame about a helical axis that is parallel to the linear axis; and an electrical generator coupled to the helical member such that rotation of the helical member about the helical axis causes the electrical generator to generate electricity, wherein the actuator and the helical member are configured to cooperate with one another such that motion of the actuator along the linear axis in a first linear direction causes corresponding rotation of the helical member about the helical axis in a first rotational direction and motion of the actuator along the linear axis in a second linear direction causes corresponding rotation of the helical member about the helical axis in a second rotational direction.

A methodology for designing a machine to generate electricity using the forces of gravity and buoyancy is provided which generates an output sufficient to sustain the machine's operation and provide a remainder amount of electricity for commercial purposes. The machine has two independent electricity generating units. Output work, U.sub.o, for each generating unit is based on the kinetic energy of a buoyant shuttle falling under the influence of gravity, and each unit's input requirement, U.sub.i is based on the work required to manipulate a volume of water during shuttle transit through water tanks of the machine. The methodology is based on a pre-selected output power P.sub.o which is used to establish machine component configurations. The shuttle's kinetic energy is then compared to U.sub.i to evaluate the machine's operational efficiency.

A wind turbine with adaptive nacelle preferably includes a geared blade shaft; and at least one reciprocating generator unit. The geared blade shaft includes a plurality of blade magnets attached to an outer perimeter of the blade shaft, which extend a portion of a length of the blade shaft. Each reciprocating generator unit preferably includes an intermediate magnetic gear, at least one magnetic generator gear, at least one electrical generator, at least one actuator and a retention frame. The intermediate magnetic gear and the at least one generator magnetic gear are pivotally retained in the retention frame. The at least one electrical generator is retained on the retention frame. The at least one actuator is used move the reciprocating generator unit to engage rotation of the geared blade shaft with the intermediate magnetic gear. Rotation of the geared blade shaft causes rotation of the electrical generator.

A system and method for a for a wave energy converter device that is an axisymmetric point absorber which operates in a tension only condition over a large stroke that can operate in the given wave environment so as to eliminate the need for end stops in normal operation whereby the wave energy converter device has a floating hull with an interior Power Take Off (PTO) that uses an impedance control scheme for impedance matching with the wave environment in which it is deployed so as to maximize electrical power output as compared with a passively operating device of similar size.

A hydro-dynamic electric Machine for generating electricity includes tandem water towers which are aligned parallel with each other. The water towers are vertically oriented and are mounted on top of a transfer tank for controlled water communication therewith. Linear generators are also positioned on top of the transfer tank, with each linear generator adjacent and parallel with a respective water tower. In accordance with the present invention, a control unit is provided to maintain predetermined separation distances between a plurality of sequential shuttles as they traverse through the machine on respective closed loop circuits for their engagement with different linear generators to sequentially generate electricity.

A linear synchronous motor-based gravitational potential energy storage system includes mass cars moving along an inclined plane between a lower and upper storage yard. The system comprises tracks guiding the mass cars, with linear synchronous motors positioned along the tracks. Electromagnetic coils interact with permanent magnets that move with the mass cars to produce a linear force. A synchronization mechanism aligns the motors with the electrical grid. Switches control electricity flow to the coils, and an electrical busbar distributes power. A cooling system manages heat. The motors draw electrical energy from the grid to move the mass cars upward, storing potential energy, and convert potential energy into electrical energy as the mass cars descend, feeding the generated energy back into the grid.

This invention introduces a kinetic energy recovery wind-wave integrated system for offshore wind power generation. The system consists of a semi-submersible platform equipped with a fan and an internal wave energy device. The device includes a shell housing a Power Take-Off (PTO) system, featuring a permanent magnet synchronous linear motor and an active controller. The motor's stator is fixed inside the shell, while its mover is connected to a counterweight block outside the stator, linked to the shell's top via a spring. Limiters are installed at both ends of the shell to restrict the counterweight block's movement. This system utilizes the wave energy device to absorb kinetic energy, which otherwise affects wind turbine stability, and converts it into usable electrical energy via the PTO system. This enhances the stability and safety of offshore wind turbine power generation.