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Electric drive unit
An electric drive unit (100) of the invention includes the electric motor (1) and the control apparatus (20) that is disposed on an axis line of a rotation...
Methods and apparatus for a motor
Methods and apparatus for a motor generally comprise a motor shell, a drive unit, a motor electronics assembly configured to operate the drive unit, and a shaft...
Active cooling of a motor
A motor, comprising an electronics housing, a stator having a stator bushing, and a rotor. The motor can be fastened to a fastening wall by means of the stator...
Motor for vehicle and railway vehicle
According to one embodiment, a motor for a vehicle includes a casing accommodating a rotor and a stator iron core inside thereof, and supporting each of both...
Rotor assembly for brushless motor for a power tool
A power tool includes a brushless DC motor having a stator assembly and a rotor assembly at least a portion of which is arranged pivotably inside the stator...
Brushless DC motor power tool with combined PCB design
A power tool with a combined printed circuit board (PCB) that reduces internal wiring of the power tool and provides a large amount of air flow to internal...
Electric machine having two rotors and at least two bearings
An electric machine is provided. The electric machine includes at least one stator, a shaft, movable in rotation around an axis of rotation, two rotors, each...
An inchworm actuator which can move a movable body relative to a stationary body while selectively giving priority to displacement speed or displacement...
L-shaped sheet metal cooling jacket with baffles and integrated power
An electric machine includes a pair of substantially aligned sheet metal housing sections each including a substantially "L" shaped portion, at least one...
A replaceable motor module for a groundwater sampling device including an inner housing defined by a cylindrical shape and having a first alignment pin. A...
Stator core support system
Embodiments of the invention are related generally to electromagnetic machines and, more particularly, to a suspension system and related methods for the...
Continuous stator winding wound on bobbins
In a method for producing a stator winding of a stator, an auxiliary element is positioned with its central axis in alignment with a central axis of the stator....
Electrical collecting and distributing ring
An electrical collecting and distributing ring is composed of an annular bus ring including a plurality of terminals and a plurality of circular arc portions...
Phase winding and connection methods for three phase dynamoelectric
A stator having a first set of phase windings formed by wrapping a conducting wire in a first direction about first, second, and third teeth, a second set of...
Axial flux machine
An axial flux machine comprising a rotor mounted about an axis of rotation and having two axial faces. A first stator ring is positioned on the rotor adjacent...
Rotating electrical machine, for starter
A rotating electric machine comprising a rotor (2) comprising a body (34) on the periphery of which are installed conductors (36) forming the winding, and a...
Electric generator for a wind power installation
The invention relates to an electrical generator comprising a stator which has windings lying in grooves formed by metal sheets and which has a predetermined...
Pole shoe arrangement for a machine element of an electrical machine
A pole shoe element for an electrical machine is described. The electrical machine has a stator, a rotor and an air gap between the stator and the rotor. The...
Electric machine having a segmented stator and two-layer winding
Electric machine has a rotor movable relative to a stator divided into stator segments, each having first and second transition regions and a central region...
Spindle motor, disk drive apparatus, and method of manufacturing spindle
In a method of manufacturing a spindle motor, a sheet preferably made of a thermoplastic resin is closely adhered to an upper surface of a base portion of a...
System and method for efficient wireless power transfer to devices located
on and outside a charging base
A wireless power transmission system and method for transmitting power from a charging base to receivers located both on and outside the charging base. The...
Magnetic resonance power transmitter and magnetic resonance power receiver
A magnetic resonance power transmitter of a magnetic resonance wireless power transmission system includes a resonance coil, an alternating current power source...
Distributed intelligence architecture with dynamic reverse/forward
In one embodiment, a grid application function is hosted at a primary grid device in a utility grid, which may determine whether or not to distribute at least a...
Uninterruptible power supply system with energy feedback to chargers and
An uninterruptible power supply (UPS) system with energy feedback to chargers and sinusoidal output charges a battery pack through a first charger under a mains...
Transformer coupled current capping power supply topology
Described is a technology by which magnetic flux is used to provide backup power. A transformer has a line power source controllably coupled to a first input...
Photovoltaic generation system and power feeding system
According to one embodiment, a system includes a battery to charge power and discharge a direct-current power to a converter, the converter supplying the...
Method and apparatus for efficient fuel consumption
A method for efficient fuel consumption comprises recharging batteries or operating a device carrying out a task, with an engine through an electrical...
Antenna arrangement for pocket-forming
The present disclosure describes a plurality of antenna arrangements that may be suitable for wireless power transmission based on single or multiple...
Wireless charging device and electric energy recycling method thereof
A wireless charging device and an electric energy recycling method are provided. The wireless charging device includes a casing, a transmitter coil, a recycling...
Electronic system for notifying user of battery charging state
An electronic unit includes an electricity reception section configured to receive power transmitted using one of a magnetic field and an electric field, a...
Connector-free magnetic charger/winder
A method and apparatus for charging an electronic device include rotating a magnetically attractable element, or element, within the electronic device. Rotating...
Method and apparatus for wireless charging an electronic device
A wireless charging method for an electronic device using an electromagnetic radiation (EMR) circuit is provided. The wireless charging method includes...
A charging apparatus includes: a charging unit configured to perform a contactless charging operation for a placed external device; a detector configured to...
Management of high-voltage lithium-polymer batteries in portable
The disclosed embodiments provide a system that manages use of a battery corresponding to a high-voltage lithium-polymer battery in a portable electronic...
Converter for a battery charging station
A modular converter is disclosed for a battery charging station, having at least two charging modules connected in parallel. Each of the charging modules can be...
Mobile terminal, and device and method for charging same
A mobile terminal, and a device and method for charging the same are provided. A power input of a Voltage Bus (VBUS) of a Universal Serial Bus (USB) interface...
High capacity batteries with on-demand fast charge capability
An embodiment provides an apparatus, including: apparatus components; a battery pack comprising a high charge rate cell component, the battery pack supplying...
Secondary battery system and operating method of secondary battery
A secondary battery has a progressively deteriorating SOC in which battery performance deteriorates when the secondary battery is stored, and is charged and...
A first converter circuit 11 controls a voltage, applied between a first electrical potential point P1 and a fourth electrical potential point P4, to be within...
Capacitor circuit for arrays of power sources such as microbial fuel cells
An electronic circuit to increase voltages from one or more energy sources. The electronic circuit can include a first set of capacitors and a second set of...
Active power factor corrector circuit
In accordance with an embodiment, a circuit includes a direct current (DC) output configured to be coupled to a rechargeable battery and a power factor...
Battery charger and method utilizing alternating DC charging current
A battery charger is disclosed for use with various batteries, such as automotive- and marine-type batteries. In accordance with an aspect of the invention, the...
Energy harvesting system with selectively activatable harvesting
interface, and method of energy harvesting
An energy-harvesting system includes a transducer to convert environmental energy into a harvesting electrical signal. A storage element stores electrical...
Method and system for controlling a portable power system
A method for controlling a portable power system, comprising: using a processor, selecting an engine efficiency range for a engine of a generator set of the...
Portable mirror charger
A combined portable charger and mirror is provided that can store and deliver energy to charge portable electronic devices without accessing external power...
One embodiment of the invention is directed to a rechargeable battery pack configured to provide power to a device that also accepts at least one standard...
Mobile device mount which is wearable or may be used with a mounting
A mobile device mount includes a quadrilateral-shaped base plate having a pair of clamping sections at opposite corners. Each clamping section includes a pair...
Woman's accessory smartphone battery charger
A compact mirror for use with woman's cosmetics includes a smartphone battery charging system integrated therein. A connection interface, such as, for example,...
Package module of battery protection circuit
Disclosed is a package module of a battery protection circuit. The package module comprises: a first internal connection terminal area and a second internal...
State of charge determination for an electrical accumulator
In a method for determining the state of charge of an electrical accumulator, individual cell voltages are recorded, and the highest and/or the lowest...