The present disclosure provides a portable power generating system configured to utilize self-sustained energy to provide velocity and movement to turn a central tubular axle which is encompassed by two or more magnets spread evenly around the circumference of the axle to generate motion. The motion of the revolving magnets turns the armature of one or more DC power generating motors which in turn produce electricity. The central tubular axle supported by two DC power generating motors are connected to each end of the central tubular axle. One of the DC power generating motors revolves in a clockwise direction during operation and the DC power generating motor at the opposite end of the central tubular axle is configured to operate in an anti-clockwise motion during operation.

A method of heat-treating an additively-manufactured ferromagnetic component is presented. The additively-manufactured ferromagnetic component includes a metal alloy having iron and cobalt. The method of heat-treating is performed such that a saturation flux density of a heat-treated ferromagnetic component is greater than a saturation flux density of an as-formed ferromagnetic component. The heat-treated ferromagnetic component has a microstructure having an average grain size of substantially all grains in a range of about 0.1 micron to about 25 microns. A ferromagnetic component is also presented.

Provided is a toroidal continuously variable transmission that can achieve suitable oil feed both for lubrication at contact interfaces between a power roller and discs and for cooling of the power roller; and a drive mechanism-integrated electricity generation apparatus for an aircraft, the electricity generation apparatus including the toroidal continuously variable transmission. The toroidal continuously variable transmission includes at least one lubrication outlet that discharges an oil toward at least one contact interface between an input or output disc and the power roller; and at least one cooling outlet that discharges the oil toward the power roller. The cooling outlet and the lubrication outlet are arranged such that a distance between the cooling outlet and a point at which the oil discharged from the cooling outlet contacts the power roller is smaller than a distance between the lubrication outlet and the contact interface.

A permanent magnet generator for ocean energy conversion includes a stator structure and a rotor structure. The stator structure includes a stator body whereon a plurality of stator slots are formed. The rotor structure includes a rotor body whereon a plurality of rotor slots are formed. The rotor body is disposed inside the rotor body in a swinging or rotatable manner. A ratio of a number of the rotor slots to a number of the stator slots is 8 to 9. The number of the rotor slots is at least equal to 64. The number of the stator slots is at least equal to 72. The permanent magnet generator requires a low speed/angle of a swinging/rotating movement of the rotor body relative to the stator body to generate electricity, and therefore, it facilitates electricity generation from ocean energy.

A sensorized roller for a bearing includes a bore that extends through the roller, a sensor for measuring at least one physical state of the roller bore and producing a first signal indicative of the measured physical state, a wireless transmitter for receiving the first signal from the sensor and wirelessly transmitting a second signal based on the first signal, and a generator configured to be rotated by a movement of the roller, the generator being electrically connected to the sensor. The measuring unit, the wireless transmitter and the generator are located inside the bore.

An electrical generator is provided. The electrical generator can include a generator, an electric motor, and a battery. The generator has a rotatable shaft and stationary component and be operatively coupled via a drive belt to the motor, which provides torque to the rotatable shaft of the generator The battery is operatively coupled to the motor. The generator can be operatively coupled to a utility grid via a transformer/invertor that can import current from the utility grid to charge the battery when the utility grid is operating and export current from the generator to a grid connector when the utility grid is not operating. The current generated from a cooldown, powerup, or an excess of power from the generator can be stored in a current storage tank, which can include a sensor configured to signal the cooldown of the generator on detecting of load.

A method and system of power generating is provided to reduce a startup time of a genset for providing requested power to a utility grid or a load. The genset includes a generator, a turbocharger, and an energy storage. The generator includes an engine. The genset responds to a genset start signal by accelerating an engine speed of the generator to reach a synchronous speed. The engine speed is accelerated more rapidly by activating the energy storage device to supply power to at least one of the generator and the turbocharger. The generator then supplies power to the utility grid or load.

Disclosed herein a suspension system includes a damper in which a piston valve is movably provided in a chamber inside a cylinder; and an actuator coupled to a side portion of the cylinder to communicate with the chamber inside the cylinder; wherein the actuator comprises a rotating body in which a rotational drive shaft coupled to a center thereof, the rotating body configured to be rotated by working fluid transmitted from the chamber during a stroke of the piston valve; a centrifugal valve coupled to the rotational drive shaft in front of the rotating body, the centrifugal valve rotating together with the rotating body and varying an area of a flow path hole through which the working fluid passes according to a rotational speed of the rotating body; and a generator combined motor in which the rotational drive shaft is rotatably arranged at a rear of the rotating body, the generator combined motor configured to charge by generating electric energy through the rotation of the rotational drive shaft.

An electric generator comprising a rotor with permanent magnets, configured for rotating about a rotation axis; a stator comprising at least one magnetic yoke with arms extending axially inside or outside of the rotor so as to be adjacent to a radial inner or outer side, respectively, of the rotor; wherein the arms of the at least one magnetic yoke are circumferentially distributed so as to form a slot between each pair of adjacent arms, each slot and each arm showing a width. The widths of the arms and/or the widths of the slots have different values distributed along the circumference. The invention is also directed to a valve comprising the electric generator equipped with a turbine wheel for being driven by a flow of gas in the valve.

A downhole drilling system is disclosed. The downhole drilling system may include an axial-field multi-armature alternator system, mechanically driven by a turbine; a pulse-generating circuit electrically coupled to the axial-field multi-armature alternator system, the pulse-generating circuit receiving power from the axial-field multi-armature alternator system to provide an electric pulse; and a drill bit including a first electrode and a second electrode electrically coupled to the pulse-generating circuit to receive the electric pulse from the pulse-generating circuit.