A floating drum turbine is used for generating the electrical energy from the kinetic energy of a water stream (sea wave or river flow) that provides the mechanical energy needed to rotate an electrical generator for generating the electricity. The drum turbine is installed on a buoyant skid anchored to the seabed by some chains/ropes to keep it in a fixed position and direction along the water stream. The turbine is coupled to an electrical generator with a power transmission system, and generates the electricity that is transferred to the coast using a cable system floated on the water surface.

An apparatus, system, and method to capture water power from head or pressure is provided utilizing pipes, inlets, and outlets. The apparatus comprises a central bore having an internal diameter suitable for a fluid flow, the fluid flow moves inside the central bore through the apparatus, and at least one outlet, the fluid flow exits the apparatus through the at least one outlet, optionally, a plurality of inlets for flowing additional fluid to the central bore mix the fluid flow with the additional fluid from the plurality of inlets. The apparatus can further mix the fluid through additional mixing devices and additional devices can be used to recapture energy such as hydroelectric power from the fluid flow. The system and method can capture water energy from the fluid flow.

A boundary layer turbomachine can include a housing (10) defining an interior space and having an inlet opening and an outlet opening to facilitate movement of a fluid through the housing (10). The boundary layer turbomachine can also include a rotor assembly (20) disposed in the rotor chamber and configured to rotate about an axis of rotation (1). The rotor assembly (20) can have a plurality of disks (21) spaced apart along the axis of rotation (1) to provide gaps (54) between the disks (21). The plurality of disks (21) can also define an interior opening (26) along the axis of rotation (1). The rotor assembly (20) can have a disk carrier (46) disposed at least partially in the interior opening (26) in support of the plurality of disks (21). The disk carrier (46) can have a fluid passageway (47) exposed to two or more of the gaps (54) between the disks (21). The fluid can pass through gaps (54) between the disks (21) and the interior opening (26) as the fluid moves through the housing (10).

The invention concerns an inter-blade profile (14) for a turbine runner blade, said inter-blade profile (14) comprising a profile (16), and a plug (18), forming a basis of the profile (16) and intended for being inserted into a corresponding hole (21) made in a blade.

A power generator or sensor apparatus is provided. In another aspect, a power generator is used for water wave energy harvesting. A further aspect provides a power generator including a buoyant, waterproof and/or enclosed outer shell, at least one enclosed inner shell located within the outer shell, a first plurality of balls located between the outer and inner shells, a second plurality of balls located within the inner shell, and spaced apart electrodes affixed to an interior surface of the outer shell. Moreover, an aspect of the present power generator uses fluid, such as water wave movement and wind blowing, to cause nested shells to move which moves multiple balls therein between spaced apart electrodes to generate triboelectric charges or energy for a variety of applications.

A floating power-generation group comprises a floating hub such as a spar buoy that is anchored to subsea foundations by anchor lines. Floating power producer units such as wind turbines are connected electrically and mechanically to the hub. The power producer units are each moored by mooring lines. At least one mooring line extends inwardly toward the hub to effect mechanical connection to the hub and at least one other mooring line extends outwardly toward a subsea foundation. The groups are combined as a set whose hubs are connected electrically to each other via subsea energy storage units. Anchor lines of different groups can share subsea foundations. The storage units comprise pumping machinery to expel water from an elongate storage volume and generating machinery to generate electricity from a flow of water entering the storage volume. The pumping machinery may be in deeper water than the generating machinery.

A high performance hybrid turbine is provided which has an impeller towards which a fluid flow of water, air, or other fluid is conveyed for rotation of the impeller around an axis of rotation. The impeller exploits the thrusts that the fluid flow exerts on the elements constituting the impeller and the thrusts generated by a certain number of airfoils provided inside the elements of the impeller. The high performance hybrid turbine, if used as a wind turbine, can operate at much higher wind speeds than conventional wind turbines.

The energy conversion device 1 consists of a liquid tank 11 in which liquid 10 is stored, a plurality of gas receiving sections 12 that are installed vertically in the liquid tank 11 and can rotate or move vertically. The energy conversion device 1 consists of a liquid tank 11 in which liquid 10 is stored, multiple gas receiving sections 12 installed vertically in the liquid tank 11 that can be rotated or moved vertically, nozzles 13 that blow compressed gas from below the gas receiving section 12 located at the bottom in the liquid tank 11, and nozzles 14 that store compressed gas as a primary energy source and blow compressed gas from below the gas receiving section 12. In the liquid tank 11, there is a nozzle 13 that ejects compressed gas from below the gas receiving section 12 located at the bottom, a gas cylinder 14 that stores compressed gas as a primary energy source and delivers compressed gas to the nozzle 13, and a gas receiving section 12 that receives compressed gas from the nozzle 13. The gas receiving section 12 receives compressed gas ejected from the nozzle 13, and the buoyancy force generated in the gas receiving section 1 2 by the buoyancy force generated when the gas receiving section 12 receives compressed gas from the nozzle 13, and the output means 3 that outputs the kinetic energy of rotation or upward movement to the outside of the liquid tank 11 as secondary energy. 1 1, and a recovery device 4 that returns the gas from the liquid tank 1 1 to the gas cylinder 14.

A hydraulic turbine unit, comprising: an evaporator, a main body, and a retractable liner. The liner is arranged within the main body and communicates with the evaporator. The main body contains an energy liquid. The main body is connected with a hydraulic turbine. A water tank is arranged at a water outlet of the hydraulic turbine. The water tank is arranged higher than the main body. The evaporator is configured to continuously absorb heat and evaporate a liquid working medium to enter the liner, such that a volume expansion of the liner pressurizes the energy liquid in the main body, and a pressurized energy liquid flows into the hydraulic turbine to output a mechanical energy. The energy liquid is configured to flow back to the main body due to a gravity thereof and compress a gaseous working medium for liquefaction, when an ambient temperature meets a liquefaction temperature.

The present invention discloses a light-emitting water outlet structure, and relates to the technical field of bathroom accessories. The light-emitting water outlet structure provided by the present invention can stabilize the water flow, so that the water outflow is mild and stable; the emitted light is totally reflected in the water flow, so that the emitted light flows with the water flow, thus the length of the propagation path of the light in the water flow is increased, and a better visual effect is achieved.