52results about "DC/DC convertors" patented technology

An electromagnetic apparatus has a rotating element acting as a transfer bridge between two active energetic suppliers, the rotating element providing a ferromagnetic core with plural solenoid coils having induced electric energy from external permanent magnets; the core transferring energy by induction to the inner stator's wound active permanent magnet, the energy collector and inductor acting as a generator.

A system for generating energy may comprise a power source capable of supplying energy in the form of electricity to an electric motor. The electric motor is energized by the power source and will cause a drive shaft to rotate. The drive shaft is mechanically connected to an electric generator capable of converting the rotation of the drive shaft into electrical energy. A load may be electrically connected to the electric generator, such that the load may receive the electrical energy generated by electric generator.

This invention is a back EMF permanent electromagnetic motor generator and method using a regauging process for capturing available electromagnetic energy in the system. The device is comprised of a rotor with magnets of the same polarity; a timing wheel in apposition to a magnetic Hall Effect pickup switch semiconductor; and a stator comprised of two bars connected by a permanent magnet with magnetized pole pieces at one end of each bar. There are input and output coils created by wrapping each bar with a conducting material such as copper wire. Energy from the output coils is transferred to a recovery rectifier or diode. The magnets of the rotor, which is located on a shaft along with the timing wheel, are in apposition to the magnetized pole pieces of the two bars. The invention works through a process of regauging, that is, the flux fields created by the coils is collapsed because of a reversal of the magnetic field in the magnetized pole pieces thus allowing the capture of available back EMF energy. Additional available energy may be captured and used to re-energize the battery, and/or sent in another direction to be used as work. As an alternative, the available back EMF energy may be dissipated into the system.

A charging facility collects DC power supplied from a plurality of power supply devices in a DC bus, and then uses the DC power to charge an on-board rechargeable battery for an electric vehicle. In an energy management method for a charging facility, each power supply device operates under independent automatic control according to a change in voltage in the DC bus. An upper-level control unit which collectively controls a plurality of power supply sources is not required, and a plurality of power supply devices can be combined with a simple configuration achieved by merely connecting respective output terminals to the DC bus. In addition, the entire charging facility can be operated flexibly. Thus, it is possible to achieve a simple configuration and to allow flexible operation while a plurality of power converters are combined with a system power supply.

An exemplary embodiment provides an electrical machine apparatus that includes a rotor coupled to an armature and a stator surrounding the rotor. The stator has a series of coils; the series of coils configured into a first group of coils and a second group of coils, the first group of coils electrically and magnetically isolated from the second group of coils. The electric machine is capable of simultaneously acting as an electric motor and generating electricity as an alternator.

A generator comprising a magnetic gear, the magnetic gear comprising a stationary member comprising a set of electromagnets, a first moveable member comprising a set of magnets, and a second moveable member disposed between the first moveable member and the stationary member. The second moveable member comprises a set of core members. The first and second moveable members are magnetically coupled to define a gear ratio therebetween and the electromagnets are operable to control the gear ratio. The stationary member comprises a stator of the generator and the first moveable member comprises an armature of the generator, wherein the armature is arranged to induce an electrical current in a set of generator windings disposed around the stator. The second moveable member comprises an input means arranged to receive a drive force. The gear ratio is variable, such that a variable output speed may be produced for a given input speed. In this way, the electrical output of the generator is decoupled from the input speed, so as to provide sufficient power for a range of input speeds.

The vehicle generator having a circuit protective cover of present invention comprises a housing, an electric circuit device and a protective cover. The housing encloses a stator on which an armature coil is wound and a rotor located inside the stator to face each other. The electric circuit device is located outside the housing for rectifying AC induced in the armature coil to DC. The protective cover covers the electric circuit device. The protective cover is made of a composite material including a polyamide and an elastomer. It is desirable that the protective cover has a mechanical properties including: a maximum elongation of 10% or higher; and a Charpy impact strength with notch of 78 kJ/m² or higher.

A generator including a first magnetic assembly and a second magnetic assembly wherein the first and second magnetic assemblies are arranged in parallel for the production of a magnetic field and a null magnetic field region, a rotor positioned between the first and second magnetic assemblies the rotor being coupled to a drive shaft extending through the first and second magnetic assemblies wherein a portion of the rotor is positioned in the null field region, a least one current transfer mechanism coupled to the rotor in the null field region and at least one current transfer mechanism coupled to the shaft, a drive mechanism attached to the shaft, whereby actuation of the drive mechanism causes rotation of the rotor in the magnetic field to produce a electric potential between the first and second current transfer mechanisms.

A magnetic force based automatic power generation device includes a ring body, which has an inner circumference along which spaced permanent magnets are arranged and an outer circumference along which spaced electric magnets are arranged. A driving element is coupled to a top of the ring body. A speed reduction device is coupled to a bottom of the ring body. The speed reduction device is coupled to a power generation element. By starting the ring body by means of the electric magnets and the permanent magnets, the ring body is allowed to be continuously driven by alternating magnetic attractive and repulsive forces induced between magnetic poles of the permanent magnets and the electric magnets and a driving force generated by the driving element for fast rotation, which in turn drives the speed reduction device and the power generation element, so that the power generation device is caused to generate electricity.

A self-generating power generation system is a generating system that is designed to use a portion of the incoming power to generate additional power to make the system highly efficient. The system may be used in a motor vehicle and take advantage of the available kinetic energy of the turning wheels regenerate power to multiply the efficiency. The system uses two batteries, a brushless dc motor, a generator, gearing, relays, switches, a regulator, a diode, and a controller.

An apparatus is provided and includes a hub, including first and second opposing faces, a first sidewall fixed at opposite ends thereof to the first and second opposing faces to define a first interior between the first and second opposing faces and a second sidewall fixed to one of the first and second opposing faces to define a second interior within the first interior, a first assembly, disposed within the second interior, to generate current from input mechanical energy and a second assembly, electrically coupled to the first assembly and disposed within the first interior, to generate mechanical energy from current associated with the current generated by the first assembly.