A method for obtaining fluid gravitational potential energy and buoyant potential energy by utilizing an internal space of a rotor on turbine engine is provided. The method includes allowing fluid to act on the outer space of the rotor to form a reciprocating power with the interior of the rotor through utilizing a spatial structure of the rotor. The method further includes the rotor on the turbine obtaining a rotational torque of the turbine engine in response to fluid transient action at the desired location.

An accelerated and/or redirected flow arrangement, optimally serving as a wildlife and/or debris excluder (WDE), is used in combination with a turbine-like device having an inlet end and an outlet end for fluid flowing therethrough, e.g., a hydro-turbine. The arrangement includes at least a forward part designed to be placed in front of a fluid inlet of a turbine-like device and configured to produce at least one of the following effects on the fluid: (a) imparting a re-direction of the fluid; and/or (b) accelerating the flow velocity of the fluid, as it flows through the forward part. Turbine-like devices having both a forward part and a rearward part of flow arrangement are disclosed, as well as a method of enhancing turbine performance.

The application relates to unidirectional hydrokinetic turbines having an improved flow acceleration system that uses asymmetrical hydrofoil shapes on some or all of the key components of the turbine. These components that may be hydrofoil shaped include, e.g., the rotor blades (34), the center hub (36), the rotor blade shroud (38), the accelerator shroud (20), annular diffuser(s) (40), the wildlife and debris excluder (10, 18) and the tail rudder (60). The fabrication method designs various components to cooperate in optimizing the extraction of energy, while other components reduce or eliminate turbulence that could negatively affect other component(s).

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 light-emitting assembly with a micro hydraulic power generator includes a power generation module and a light-emitting module. The power generation module includes a housing, a coil module and an impeller. An accommodating space inside the housing is divided by a transverse baffle therein into two cavities, respectively a coil cavity and an impeller cavity. A side wall of the impeller cavity is provided with at least one water inlet. At least one internally recessed portion is provided at a connection portion between the transverse baffle and an outer wall of the coil cavity, and the transverse baffle defines a water outlet at a portion positionally corresponding to the internally recessed portion. The coil module is arranged in the coil cavity in a sealed manner by a colloidal material. The impeller is placed in the impeller cavity, the impeller can be rotated by an external force.

A light-emitting assembly with a micro hydraulic power generator includes a power generation module and a light-emitting module. The power generation module includes a housing, a coil module and an impeller. An accommodating space inside the housing is divided by a transverse baffle therein into two cavities, respectively a coil cavity and an impeller cavity. A side wall of the impeller cavity is provided with at least one water inlet. At least one internally recessed portion is provided at a connection portion between the transverse baffle and an outer wall of the coil cavity, and the transverse baffle defines a water outlet at a portion positionally corresponding to the internally recessed portion. The coil module is arranged in the coil cavity in a sealed manner by a colloidal material. The impeller is placed in the impeller cavity, the impeller can be rotated by an external force.

The present disclosure discloses a horizontal-axis ocean current power generation device for an underwater vehicle. The power generation device is disposed in a groove of a rotary body of the underwater vehicle, and includes an undercarriage unit, a yawing unit, and a power generation unit. The undercarriage unit can realize elevation and descent of the entire power generation device, and the power generation unit is capable of realizing arbitrary rotation within 360° in a horizontal plane through the yawing unit. The power generation device can actively yaw based on change of an ocean current direction to perform an incident flowing function. The power generation unit respectively drives an outer shaft and an inner shaft to rotate through a front blade and a rear blade that rotate in opposite directions, so as to drive inner and outer rotors of a motor, thereby cutting magnetic induction to generate electric power.

This invention regards a hydraulic turbine (1) to operate in pressure circuits, where there is a flow of a fluid, to control the flow and pressure downstream the installation point. Even so, said turbine (1) can generate power for itself based on the difference of pressure and flow, as the remaining power can be used in public power networks or isolated. Its application field comprises sanitation companies, beverage industries, paper and cellulose industries, petrochemical companies or any places, where it is needed to control the flow and pressure in supply networks.

A toroidal lift force engine is provided. Illustratively, the toroidal lift force engine operates in an enclosed environment without heat and/or expelling particles of any kind, utilizing asymmetric pressure distribution on lift turbine blades solely to generate thrust with the normal component of this lift force, while using the tangential component of this lift force to drive accessories, provide control to the fluid velocity, and/or provide motivation of the fluid's flow. The toroidal lift force engine may be utilized to generate thrust, heat and/or electricity for powering vehicles, homes, etc.

A toroidal lift force engine is provided. Illustratively, the toroidal lift force engine operates in an enclosed environment without heat and/or expelling particles of any kind, utilizing asymmetric pressure distribution on lift turbine blades solely to generate thrust with the normal component of this lift force, while using the tangential component of this lift force to drive accessories, provide control to the fluid velocity, and/or provide motivation of the fluid's flow. The toroidal lift force engine may be utilized to generate thrust, heat and/or electricity for powering vehicles, homes, etc.