A water wheel pet fountain includes a lower basin that holds water, a water wheel that lifts water from the lower basin and delivers it to a collector that has an outlet or spout that allows the water to exit the collector and fall back down into the lower basin in an exposed stream accessible to pets for drinking. A motor is removably carried on the basin and a removable cowl covers the water wheel. The fountain can be taken apart for cleaning and the electronics and motor can be separated from the components being cleaned. The parts that contact water have large fillets and can be made with an antimicrobial plastic.

A rotor system for generating kinetic energy by expanding an unbalanced torque by means of material energy is provided. The rotor has a horizontal rotating shaft and a plurality of sets of radiating members, and each of radiating members combines with a swingable mass and a slidable member that are combined with each other by a transmission system. The slidable member has two containers, each with an opening for holding the substances in the opposite direction, and after the substances are injected into a specific orientation, due to the total weight being greater than the swingable mass that plus the inclination and gravity, which causes the swingable mass to be swung at one hundred and eighty degrees. Therefore, an outer ring system and an inner ring system both generate the torsion toward the running direction so that the entire rotor system generates good operating kinetic energy.

A turbine has a rotatable outer casing with an inlet and an outlet therein. A casing rotation control causes the casing to rotate about a central point thereof such that the inlet consistently faces an incoming flow of ambient fluid. The casing has two spaced-apart portions in shapes of oppositely-disposed concave arcs (also referred to as “deflector plates” of a same circle. In some embodiments, each concave arc of the casing forms a unitary structure with a respective convex arc, the two spaced-apart convex arcs lying on either side of the outlet. In some embodiments, each concave arc is connected to a respective second concave arc at an endpoint thereof, the second concave arcs being rotatable about the point of connection.

A turbine has a rotatable outer casing with an inlet and an outlet therein. A casing rotation control causes the casing to rotate about a central point thereof such that the inlet consistently faces an incoming flow of ambient fluid. The casing has two spaced-apart portions in shapes of oppositely-disposed concave arcs (also referred to as “deflector plates” of a same circle. In some embodiments, each concave arc of the casing forms a unitary structure with a respective convex arc, the two spaced-apart convex arcs lying on either side of the outlet. In some embodiments, each concave arc is connected to a respective second concave arc at an endpoint thereof, the second concave arcs being rotatable about the point of connection.

A screw system including a plurality of segmented blades. Each blade segment of the plurality of blade segments including a mounting portion and a vane portion. The mounting portion, having a helical length, for removably attaching the blade segment. The vane portion extending from the mounting portion along the helical length thereof. The vane portion having a front surface that is not parallel to a back surface from the mounting portion to a tip of the blade segment, along the helical length.

A renewable energy generation system includes a drive motor, a flywheel in mechanical communication with the drive motor, a generator in mechanical communication with the flywheel, a charge controller in electrical communication with the generator, a plurality of charge controller switches in electrical communication with the charge controller, a plurality of batteries in electrical communication with a respective charge controller switch, and a power management module in electrical communication with the plurality of charge controller switches. The drive motor effectuates rotation of the flywheel to generate stored rotational energy which is transferred to the generator as a load is placed upon the generator to maintain a constant speed of the drive motor. The power management module selectively opens or closes a charge controller switch to permit or inhibit the flow of electrical energy to a respective battery to reduce the electrical load placed upon the generator and drive motor.

A renewable energy generation system includes a drive motor, a flywheel in mechanical communication with the drive motor, a generator in mechanical communication with the flywheel, a charge controller in electrical communication with the generator, a plurality of charge controller switches in electrical communication with the charge controller, a plurality of batteries in electrical communication with a respective charge controller switch, and a power management module in electrical communication with the plurality of charge controller switches. The drive motor effectuates rotation of the flywheel to generate stored rotational energy which is transferred to the generator as a load is placed upon the generator to maintain a constant speed of the drive motor. The power management module selectively opens or closes a charge controller switch to permit or inhibit the flow of electrical energy to a respective battery to reduce the electrical load placed upon the generator and drive motor.

A breastshot waterwheel is configured to extract energy from an incoming water flow. The waterwheel is rotatable about an axis and comprises a plurality of paddles, each of the said paddles being in communication with the incoming water flow for a respective water receiving portion of a rotation cycle of the waterwheel about the axis. During the water receiving portion of the rotation cycle for a said paddle, the incoming water flow flows onto a water receiving surface of the paddle. The water receiving surface extends between first and second ends of the paddle. The first end is upstream of the second end and is configured such that, during at least a portion of said water receiving portion of the rotation cycle for said paddle, the incoming water flow flows in a substantially horizontal direction across said first end of the paddle onto an upstream portion of the water receiving surface. At least a portion of the incoming water flow received by the upstream portion of the water receiving surface flows from the upstream portion onto a downstream portion of said water receiving surface, thereby changing direction and exerting a force on the paddle causing the waterwheel to rotate about the said axis in a rotational direction. The waterwheel is configured to rotate about said axis in said rotational direction such that a magnitude of a tangential velocity of the first end of the said paddle is less than a speed of the incoming water flow flowing across the said first end of the paddle during the water receiving portion of the rotation cycle for the said paddle.

A breastshot waterwheel is configured to extract energy from an incoming water flow. The waterwheel is rotatable about an axis and comprises a plurality of paddles, each of the said paddles being in communication with the incoming water flow for a respective water receiving portion of a rotation cycle of the waterwheel about the axis. During the water receiving portion of the rotation cycle for a said paddle, the incoming water flow flows onto a water receiving surface of the paddle. The water receiving surface extends between first and second ends of the paddle. The first end is upstream of the second end and is configured such that, during at least a portion of said water receiving portion of the rotation cycle for said paddle, the incoming water flow flows in a substantially horizontal direction across said first end of the paddle onto an upstream portion of the water receiving surface. At least a portion of the incoming water flow received by the upstream portion of the water receiving surface flows from the upstream portion onto a downstream portion of said water receiving surface, thereby changing direction and exerting a force on the paddle causing the waterwheel to rotate about the said axis in a rotational direction. The waterwheel is configured to rotate about said axis in said rotational direction such that a magnitude of a tangential velocity of the first end of the said paddle is less than a speed of the incoming water flow flowing across the said first end of the paddle during the water receiving portion of the rotation cycle for the said paddle.

The cyclic hydropower system includes a power generation device. The first power generation device includes a circular frame pivoted on an axle whose one end is coupled to an end of the axle. A number of basins are arranged around the circular frame. An arc trough is positioned at a distance from and along an arc section of the circular frame. A channel is formed between the arc trough and the circular frame allowing the basins to move through. The channel has inlet at an upper position and an outlet at a lower position. A tank is positioned beneath the outlet of the power generation device, a pumping element is provided inside the tank, and a pipe extended from the pumping element above the power generation device with a pipe outlet above the inlet of the power generation device.