Match Document Document Title
US20150270778 Adaptive Pre-Charge Voltage Converter  
A voltage converting device includes a feedback module, for generating a comparing signal according to a feedback voltage and a reference voltage; a pulse-width-modulation module, for generating a...
US20150270777 MASTER-SLAVE DIGITAL VOLTAGE REGULATORS  
Described is an apparatus which comprises: a first bridge to be coupled to a first load; a first Pulse Width Modulation (PWM) circuit to drive the first bridge; a second bridge to be coupled to a...
US20150270776 Power Management System and Method of Use Thereof  
One embodiment of a power management system includes a reservoir configured to collect energy. The system also includes a voltage regulator coupled to the reservoir via an input terminal and...
US20150270775 FAST STARTUP CHARGE PUMP  
A charge pump is designed to be capable of quick start up. When the enable signal of the charge pump is arrived, the pump capacitor and the load capacitor of the charge pump can be charged in a...
US20150270774 POWER SUPPLY CIRCUIT  
In a power supply circuit having input and output terminals, an error amplifier has first and second paths independent of each other to output a control voltage, a first MOS transistor is...
US20150270773 CONTROL CIRCUIT FOR MULTIPHASE SWITCHING CONVERTER TO REDUCE OVERSHOOT AND ASSOCIATED CONTROL METHOD  
A multiphase switching converter having a plurality of switching circuits and a control circuit, the plurality of switching circuits provide an output voltage, the control circuit provides a...
US20150270772 System for Improving Power Factor in an AC Power System  
Disclosed is a system for improving power factor in an AC power system. The power system has an AC power source and an electrical load that are interconnected by at least one power conveying line....
US20150270771 Bidirectional Two-Base Bipolar Junction Transistor Operation, Circuits, and Systems with Collector-Side Base Driven  
Methods, systems, circuits, and devices for power-packet-switching power converters using bidirectional bipolar transistors (BTRANs) for switching. Four-terminal three-layer BTRANs provide...
US20150270770 SYSTEMS AND METHODS FOR MITIGATION OF RESISTOR NONLINEARITY ERRORS IN SINGLE OR MULTIPHASE SWITCHING VOLTAGE REGULATORS EMPLOYING INDUCTOR DCR CURRENT SENSING  
Systems and methods for mitigation of resistor nonlinearity errors in a power converter are provided. In at least one embodiment, the power converter comprises at least one power switch coupled to...
US20150270769 FIELD ROTOR OF SUPERCONDUCTING ROTATING MACHINE  
A field rotor of a superconducting rotating machine including: a rotation shaft; a supply shaft that supplies a refrigerant to the rotation shaft at one end of the rotation shaft; an input/output...
US20150270768 Sealed Magnetic Drive for Rotary Machine  
A rotary machine is disclosed which is coupled to a motor by a magnetic coupling. An outer magnet drives an inner magnet which is fixed to a rotary shaft which turns a rotor of the machine. The...
US20150270767 MOVER AND LINEAR MOTOR EQUIPPED WITH THE MOVER  
An object is to provide a mover that holds magnets and that achieves weight reduction and has reliability of strength. The present invention relates to the mover of a linear motor. The mover...
US20150270766 Scalable, Highly Dynamic Electromagnetic Linear Drive With Limited Travel And Low Transverse Forces  
A scalable, highly dynamic electromagnetic linear drive with limited travel. The linear actuator is distinguished by low transverse forces. The linear actuator comprises a stator comprising two...
US20150270765 VIBRATION ELECTRICITY GENERATION DEVICE  
A vibration electricity generation device according to an embodiment of the present invention includes a fixed unit provided with a coil and a movable unit provided with a magnet. The movable unit...
US20150270764 OSCILLATING TYPE ACTUATOR  
To provide a novel oscillating type actuator capable of securing a stoppage and holding when not energized, and producing a stable, responsive and highly durable oscillating arm even using a...
US20150270763 METHOD FOR WINDING EDGEWISE COIL AND WINDING DEVICE  
Provided is a method for winding an edgewise coil and a winding device capable of saving time and labor when changing a guide. A guide bar is disposed in contact with the side face of the...
US20150270762 PRODUCTION METHOD FOR LAMINATED IRON CORE  
A production method for the laminated iron core includes a first process that segment iron core pieces which respectively have circular arc angles obtained by dividing 360° as an angle of...
US20150270761 GROUNDING DEVICE FOR ELECTRIC MACHINE AND METHODS OF ASSEMBLING THE SAME  
A grounding device for an electric machine, having a rotating component and a stationary component, includes a core fabricated from a non-conductive material and a plurality of conductive fibers...
US20150270760 AXIAL FLUX ELECTRIC MACHINE INCLUDING AN INTEGRAL BRAKE AND METHODS OF ASSEMBLING THE SAME  
An axial flux electric machine has a rotatable shaft, a fixed stator core comprising a ferromagnetic material and defining an axis of rotation, and a rotor assembly comprising a plurality of...
US20150270759 Systems and Methods for Driving a Plurality of Motors  
Systems and methods for driving a plurality of permanent magnet synchronous motors are provided. An embodiment of the system can include a first permanent magnet synchronous motor coupled to a...
US20150270758 ELECTRIC MOTOR  
The electric motor is the electric motor that includes a shaft part that rotates around a rotation shaft and a casing that accommodates at least part of the shaft part. A through hole is formed in...
US20150270757 FAN MOTOR  
The present invention relates to a fan motor having a stator core, a rotor and a rotary shaft rotatably coupled to the rotor, the fan motor including: a PCB cover having a bottom portion, an...
US20150270756 TOOTH FOR AN ELECTRIC MOTOR OR GENERATOR  
A stator or rotor for an electric motor or generator comprising a plurality of teeth for receiving coil windings, wherein each tooth has an injection moulded plastic layer formed on a plurality of...
US20150270755 ROTOR FOR GENERATOR  
In a rotor for a generator in which a rotor core is fixed to a rotary shaft rotatably supported by a housing, and field coils are wound on a bobbin installed in the rotor core, so as to be...
US20150270754 DUAL-ROTOR ELECTRIC ROTATING MACHINE  
A dual-rotor electric rotating machine includes a stator and first and second rotors that are arranged with the stator interposed therebetween. The stator includes a stator core, at least one...
US20150270753 MOTOR  
A motor includes magnets arranged in a circumferential direction and a rotor core holding the magnets. The magnets include two or more magnet pairs with a pair of long sides and a pair of short...
US20150270752 PERMANENT-MAGNET-TYPE ROTATING ELECTRIC MECHANISM  
A rotor core includes low permeability areas having lower permeability than that of a material of the rotor core, between an outer circumference of each magnetic pole and a side surface of each...
US20150270751 ROTORS WITH SEGMENTED MAGNET CONFIGURATIONS AND RELATED DYNAMOELECTRIC MACHINES AND COMPRESSORS  
A rotor for a dynamoelectric machine includes a rotor core having an outer periphery and at least a first set of magnets positioned within the outer periphery of the rotor core. The first set of...
US20150270750 PERMANENT MAGNET TYPE ROTATING ELECTRIC MACHINE  
In conventional rotors having a shape in which permanent magnets are skewed, a configuration in which, for example, the thicknesses of both ends of each magnet are increased is used in order to...
US20150270749 EMBEDDED PERMANENT MAGNET TYPE ROTATING ELECTRIC MACHINE  
An embedded permanent magnet type motor, which has one pole configured of two permanent magnets and has a plurality of poles of permanent magnets embedded in a rotor, includes a rotor whose magnet...
US20150270748 SERVO VALVE TORQUE MOTOR  
A servo valve torque motor apparatus including a pair of pole pieces; one or more permanent magnet(s) held between the pole pieces an armature supported between the pole pieces for rotation about...
US20150270747 SYSTEM AND METHOD FOR CONTROLLING MULTIPHASE ELECTRIC MOTORS  
A multiphase electric motor for a down-hole electrical submersible pump having a rotor having a first set of rotor voids filled or partially filled with permanent magnetic material. The electric...
US20150270746 MOTOR AND MANUFACTURING METHOD THEREOF  
A motor of the present invention is configured in such a way that a side surface of a teeth portion and a side surface, which is faced to the side surface, of a neighboring teeth portion, in which...
US20150270745 POWER-SUPPLY CONTROL SYSTEM, CONTROL DEVICE AND CONTROL METHOD  
Asynchronous operation of an external power-supply device activated in blackout with an internal power-source device placed in a house or a plant is ensured. A commercial power-source system and...
US20150270744 CIRCUIT AND METHOD FOR PROVIDING AN UNINTERRUPTIBLE POWER SUPPLY  
An uninterruptible power supply operates between a main supply input, a battery and a load, and comprises an input converter and an output converter. In a first mode of operation, AC mains power...
US20150270743 System and Methods for Controlling a Supply of Electric Energy  
A system and methods for controlling the supply and distribution of backup electrical power determine when backup power is needed and allocates available backup power among connected devices in a...
US20150270742 TECHNIQUES AND SYSTEMS FOR CHARGING ELECTRONIC DEVICES  
The present invention is directed to a charging system for charging an electrical device coupled to a photovoltaic electrical power generator and one or more of a microelectromechanical power...
US20150270741 WIRELESS CHARGING AND POWERING OF ELECTRONIC DEVICES IN A VEHICLE  
Configurations and methods of wireless power transmission for charging or powering one or more electronic devices inside a vehicle are disclosed. A transmitter capable of single or multiple...
US20150270740 METHOD FOR PREVENTING CROSS CONNECTION IN WIRELESS CHARGING  
A method of preventing cross connection in wireless charging is provided. The method includes determining whether a load variation is sensed in a wireless power transmitter, transmitting a signal...
US20150270739 SYSTEM AND METHOD FOR FREQUENCY PROTECTION IN WIRELESS CHARGING  
This disclosure provides systems, methods, and apparatuses for controlling wireless charging between a first entity and a second entity. For example, the apparatus may include a receiver...
US20150270738 MAINTAINING CONTINUOUS POWER CHARGE IN AN INDUCTIVE-COUPLING SYSTEM  
Maintaining continuous wireless charging of a device includes various elements. Events that may disrupt wireless charging are detected and the disruption circumvented by adjusting functions of an...
US20150270737 TERMINAL DEVICE COVER AND A TERMINAL DEVICE FOR CONTACTLESS CHARGING  
A terminal device cover having a front surface part, a lateral surface part, and a rear surface part. The terminal device cover is arranged so as to accommodate a terminal device. The front...
US20150270736 SELF-CONFIGURING CHARGING TECHNIQUES FOR ELECTRONIC DEVICES  
The present invention is directed to a method and system for charging an electrical device having a photovoltaic electrical power generator that includes a photovoltaic sensor. The includes...
US20150270735 PRE-CHARGING AND VOLTAGE SUPPLY SYSTEM FOR A DC-AC INVERTER  
A pre-charging and voltage supply system for a DC-AC inverter is provided. The system includes a first battery having a first anode and a first cathode, and a second battery having a second anode...
US20150270734 POWERED CASE FOR PORTABLE ELECTRONIC DEVICE  
A case for an electronic device includes a front member having an aperture for interacting with a touchscreen of the electronic device and a back member that includes a rechargeable power cell, a...
US20150270733 DEVICE TO DEVICE CHARGING VIA USB TYPE-C INTERFACES  
Methods and apparatus, including computer program products, are provided for device charging. In some example embodiments, there may be provided a method, which may include receiving, at a device,...
US20150270732 SYSTEM FOR CHARGING BATTERY OF ENERGY STORAGE SYSTEM USING PCS  
A system for charging a battery of an energy storage system using a photovoltaic inverter, includes: a photovoltaic inverter configured to convert a DC power generated from a photovoltaic module...
US20150270731 TOPOLOGY AND CONTROL STRATEGY FOR HYBRID STORAGE SYSTEMS  
A hybrid battery charging device includes: input terminals for connecting a photovoltaic panel or other current sources; first battery connections for connecting a lead-acid battery; second...
US20150270730 METHOD AND APPARATUS FOR PROVIDING CHARGING ALERTS  
A method and apparatus for providing charging alerts includes an electronic device detecting an indication of an event and determining that the event makes a charging opportunity at least...
US20150270729 BATTERY CHARGER  
A battery charger is provided which is capable of absorbing a position error of a moving body when the moving body is charged in a compact configuration. The battery charger according to one...