Undershot turbines with dynamic blades are disclosed for improving energy capture from a flowing stream. The blades are provided on respective rotatable swing arm assemblies attached to the circumference of a turbine support. In operation, the blades are uniquely adjusted as a function of rotation of the support wheel for improved efficiency and energy capture.

A Multi Axes Wind Turbine of the present invention comprises a multi axes turntable assembly in rotations with a mounted assembly of pairs of planet and sun airfoils for generating a net of substantial powers from generally straight flowing applied wind or airflow. Planet airfoils, been in a fixed rotational orientation relative to and in rotation around a stationary sun rotor, are always facing against applied wind. Different from planet airfoils, sun airfoils are in radial alignment to and in rotation around the sun rotor, and are rotated by applied wind from any direction. In combination, paired planet and sun airfoils alternate as wind shields in rotations around a stationary sun rotor to greatly enhance powers generated while greatly reduce powers lost. A Multi Axes Wind Turbine operated in reverse is a multi-axes tower fan to propel a substantial volume of generally straight flowing wind or airflow.

This invention is a method in which large waves are separated from a floating platform unit by using a partition plate unit so that the floating platform unit enclosed by the partition plate unit is in a state of almost no wave. These large waves outside the partition plate unit are to move many floating ball units up and down so that the racks provided on each of the floating ball units are capable of rotating the power gears extending from the floating platform unit, and the rotational forces of power gears are regulated through ratchets and consolidated to produce a single direction rotating power, and then to drive external generators. The racks on the floating ball units and the power gears on the floating platform unit are pulled together by using springs. The resilient force of the two springs simultaneously helps the rack's up and down in smooth reciprocating motion. Then the power gears directly and indirectly drive the multiple coaxial gear to output a single-direction spinning force to drive the external generators. The invention has the advantages of super high-efficiency, simple structure, easy to set up, able to be fixed or not fixed on the shore, and able to be set up offshore, and the size of the entire mechanism can be easily extended or adjusted linearly in terms of power demand. It can fully utilize the available sea area.

A vertical axis wind turbine includes two or more cells arranged one above the other along a vertical machine axis, wherein each of the cells includes a plurality of vertical blades which are arranged within the cell distributed on a concentric circle about the machine axis and which are connected so as to be able to move together on this circle and which are rotationally fixed with a main shaft, and wherein the blades in the cell are each individually mounted so as to be able to rotate about a vertical axis of rotation which in particular runs internally through them.

The present specification relates generally to generators and more specifically to an environmentally friendly device and method for generating electricity without a fuel source. The device, an electric generator, comprises an outer chamber filled with a first quantity of water; a lower bellows assembly, immediately below the outer chamber, filled with a second quantity of water; a support bracket fixed within the outer chamber comprising at least one post extending from a top face thereof and at least one lower electromagnet; a chain assembly; a flywheel; a generator; an inner chamber disposed within the outer chamber and having at a bottom end at least one flapper valve and at least one upper electromagnet; at least one return pipe having a first end in connection with the lower bellows assembly and a second end proximate the inner chamber; and a series of valves.

A Multi Axes Turntable, Wind Turbine, and Tower Fan of the present invention is a compilation of separate, individual, and related inventions for a Multi Axes Turntable, a Multi Axes Wind Turbine, and a Multi Axes Tower Fan, where: a Multi Axes Turntable consists of multiple (one or more) planet rotors in a fixed rotational orientation relative to and in rotation around a stationary sun rotor; and a Multi Axes Wind Turbine and Tower Fan are each a Multi Axes Turntable in rotations and reversed rotations, respectively, with mounted pairs of planet and sun airfoils. Planet airfoils, been in a fixed rotational orientation relative to and in rotation around a stationary sun rotor, are always facing against applied or toward propelled generally straight flowing wind. Different from planet airfoils, sun airfoils are in radial alignment to and in rotation around the sun rotor, and are rotated by generally straight flowing applied wind from any direction, but they rotate from been powered to propel circular swirling wind around the stationary sun rotor. In combination, paired planet and sun airfoils alternate as wind shields in rotations around a stationary sun rotor to greatly reduce power lost or lost volume of propelled wind. A Multi Axes Wind Turbine in rotation generates a net of substantially more power than power lost from generally straight flowing applied wind; while a Multi Axes Tower Fan, in reverse rotation and been powered, propels a net of substantially greater volume of generally straight flowing propelled wind than wind volume propelled in reverse. A Multi Axes Wind Turbine and Tower Fan are reversible, by having the same basic Multi Axes Turntable mounted with same paired planet and sun airfoils, but reversed in rotations, and with obvious differences in power generators, motors, and control systems. This reversible feature is unknown in current non shielded or ducted VAWTs and tower fans. Compared to current VAWTs and tower fans, a Multi Axes Wind Turbine and Tower Fan are inherently more power efficient due to planet airfoils having a fixed rotational orientation always facing against or toward generally straight flowing applied or propelled wind.

The invention discloses a heavy hammer type wave power generation method and device. According to the invention, under the action of wave power and gravity, a floating box enables driving sprockets and guiding sprockets to turn leftwards or rightwards along a chain, the driving sprockets turn leftwards or rightwards by means of a speed-increasing gear in a speed-increasing box and a transmission mechanism for converting bidirectional swinging to unidirectional rotation, a generator shaft always rotates in one direction to generate power. According to the invention, a wave energy collecting method is simple and easy, a large amount of wave energy can be collected, energy converting efficiency is high, the structure is simple, manufacturing costs are low, maintenance is avoided for a long time, service life is long, safety is good, a wave power generation station can be established by networking.

A vertical axis wind turbine includes two or more cells arranged one above the other along a vertical machine axis, in which each of the cells includes a plurality of vertical blades which are arranged within the cell distributed on a concentric circle about the machine axis and which are connected so as to be able to move together on this circle and which are rotationally fixed with a main shaft, and in which the blades in the cell are each individually mounted so as to be able to rotate about a vertical axis of rotation which in particular runs internally through them. Assigned to each of the blades are means by which the blade is made to adopt, a rotational position, about its axis of rotation, which is predetermined and can be changed at any time.

The present invention relates to a buoyancy-driven power generation apparatus using a gravity body. To achieve this, according to the present invention, a rotary module is configured with at least one rotary body mounted on a rotary shaft, a latch provided between the rotary body and the rotary shaft such that the rotary body transmits power only in one direction, and a power transmission gear mounted on one end portion of the rotary shaft. A rope is mounted on the rotary body of the rotary module to make contact with the same to move up and down. A buoyant body hangs from one end portion of the rope, and a gravity body lighter in weight than the buoyant body hangs from the other end portion of the rope. A power gear is provided on one end portion of the rotary module so as to be engaged with the power transmission gear such that the rotating force of the power gear is transmitted to a generator. Accordingly, it is possible to effectively convert a movement of the surface of the sea into a vertical up and down motion of the buoyant body.

A water-flow power device includes a carrier, a first sprocket component, a second sprocket component, a first chain, a second chain, a plurality of blade structures, and an energy conversion unit. The carrier has a first end portion and a second end portion opposite to the first end portion. The first sprocket component is disposed at the first end portion of the carrier. The second sprocket component is disposed at the second end portion of the carrier. The first chain is configured to surround the first sprocket component and the second sprocket component. The second chain is configured to surround the first sprocket component and the second sprocket component. Two ends of each of the blade structures are respectively connected to the first chain and the second chain. The energy conversion unit is connected to the first sprocket component or the second sprocket component.