-- A device for generating electric current in a fluid flow circuit, including a duct segment interposed in the fluid flow circuit, a rotor mounted in the duct segment and movable by the passage of a fluid through the device, and a stator or stator circuit cooperating with the rotor and producing electric current. The rotor is made up of a transverse flow turbine, the axis of rotation of which extends across the duct segment, the turbine having at the longitudinal ends of its axis of rotation means for holding against the opposite walls of the duct segment, the stator or stator circuit being positioned outside the duct segment at an end of the turbine which is able to be driven in rotation while the turbine moves, and includes structure for generating a magnetic flux for cooperating with the stator or stator circuit in order to produce the electric current.

A wave energy converter utilizes a flotation module that rises and falls with the passage of waves, a submerged tube containing a constriction which multiplies the speed of the water passing therethrough, a turbine (or other hydrokinetic apparatus) positioned so as to extract energy from the accelerated flow of water within and/or through the tube, and a submerged gas- or liquid-filled chamber housing one or more energy conversion components (e.g. generators, transformers, rectifiers, inverters). By providing a chamber in proximity to the turbine, generators can be placed in closer proximity to the turbine that turns them, and the shared shaft can be shorter than if the generators were placed in the buoy adjacent to the surface.

A fluid monitoring apparatus for deployment within a pipe arrangement, includes a measurement device configured to measure data indicative of a fluid property, and an energy harvesting system including a turbine configured to be rotated by a flow of fluid through the pipe arrangement, and a generator coupled to the turbine and configured to generate electrical energy. The fluid monitoring apparatus is configured to use the electrical energy to power the measurement device.

A containment shell for a magnetic pump, the shell comprising: a body section having a continuous side wall defining a chamber, and an end wall closing the chamber at one end, the chamber being open at the other end, wherein the body section and the end wall are integrally formed from a matrix material in which chopped carbon fibre material is distributed.

In accordance with various embodiments of the present disclosure, a hydroelectric turbine includes a stator and a rotor disposed radially outward of the stator. The rotor is rotatable around the stator about an axis of rotation. The turbine also includes a generator disposed along the axis of rotation. The generator is stationary and coupled to the stator. The turbine additionally includes a gear disposed along the axis of rotation. The gear is operably coupled to the generator. The turbine further includes a plurality of blades operably coupled to and extending radially outwardly from the gear. The plurality of blades is fixed to the rotor to rotate the rotor in response to fluid flow interacting with the blades.

This invention relates to a voluminous wind/wave turbine system, the turbine system has two wind/wave subsystems and is based on a unique volume process and optimized blades defining two power zones to harness wind and wave energy together or separately beyond the Betz limit, the vortical wind turbine subsystem has a pair of a front and back vortical blades to generate more power with satellite generators, the wave subsystem is a breakthrough for commercial applications and has a robust float vessel with toroid or polygonal pipes structure and multiple hinge mechanisms to hold multiple wave turbines against violent wave, the wave turbine has only a conversion to produce electricity constantly 24/7 with 360 degree freedom, the both subsystems are based on a shaft-less twin rotor turbomachinery and represent a new era of reliable and renewable energy at an unprecedented level of efficiency and the reliability.

A wave energy converter utilizes a flotation module that rises and falls with the passage of waves, a submerged tube containing a constriction which multiplies the speed of the water passing therethrough, a turbine (or other hydrokinetic apparatus) positioned so as to extract energy from the accelerated flow of water within and/or through the tube, and a submerged gas- or liquid-filled chamber housing one or more energy conversion components (e.g. generators, transformers, rectifiers, inverters). By providing a chamber in proximity to the turbine, generators can be placed in closer proximity to the turbine that turns them, and the shared shaft can be shorter than if the generators were placed in the buoy adjacent to the surface.

Provided is an electrical generator including a stator having a stator body extending axially between a first axial end and a second axial end, the stator body including a plurality of slots, the plurality of slots being circumferentially distributed around a longitudinal axis of the stator body. The stator includes a plurality of windings housed in the plurality of slots and a plurality of end-windings, each end winding having a curved shape and connecting the windings in two slots of the plurality of slots. The electrical generator further includes at least one air guide inside and/or outside the plurality of end-windings cool.

In accordance with various embodiments of the present disclosure, a hydroelectric turbine includes a stator and a rotor disposed radially outward of the stator. The rotor is rotatable around the stator about an axis of rotation. The turbine also includes a generator disposed along the axis of rotation. The generator is stationary and coupled to the stator. The turbine additionally includes a gear disposed along the axis of rotation. The gear is operably coupled to the generator. The turbine further includes a plurality of blades operably coupled to and extending radially outwardly from the gear. The plurality of blades is fixed to the rotor to rotate the rotor in response to fluid flow interacting with the blades.

A generator for a wind turbine comprising a generator stator having a mounting portion for fixing the generator stator to a machine carrier of the wind turbine, and a generator rotor mounted rotatably about a generator axis relative to the generator stator. The generator has a single-stage transmission which is adapted to non-rotatably cooperate at the drive side with a rotor blade hub and which is non-rotatably connected at the driven side to the generator rotor.