37th week of 2015 patent applcation highlights part 60 |
Patent application number | Title | Published |
20150255997 | SYSTEM OF COMMUNICATION BETWEEN STACKED INTEGRATED CIRCUITS POWERED BY DIFFERENT VOLTAGE SUPPLY LEVELS IN MULTIPLE CELL-STACKED BATTERY PACK - A system of communication between stacked integrated circuits powered by different voltage supply levels in a multiple cell-stacked battery pack is disclosed. The system includes a number of battery cells and a number of integrated circuits. Each integrated circuit includes a battery detecting unit, a data transceiving unit and a power acquiring unit. Since the data transceiving unit transmits signals by toggling voltage level, current flow which causes higher power consumption can be avoided. Meanwhile, the system of communication can therefore be applied to many internal communicating protocols. | 2015-09-10 |
20150255998 | CONTROL DEVICE OF BATTERY CHARGING - A main object of the present invention is to provide a control device of battery charging capable of quickly charging a battery to an intended capacity while inhibiting occurrence of defect in the battery, the control device including a first output unit outputting a heating signal to heat a battery, a second output unit outputting a charging signal to charge the battery heated according to the heating signal, and a controller judging whether or not a degree of degradation of the battery is a first value or more, wherein where the controller judges the degree of degradation to be the first value or more, the controller controls the heating signal to make the charging rate of the battery whose degree of degradation is the first value or more equal to or closer to a charging rate of the battery when the degree of degradation is less than the first value. | 2015-09-10 |
20150255999 | ENERGY STORAGE SYSTEM AND CONTROLLING METHOD THEREOF - An energy storage system includes a power conversion system configured to produce a control signal for regulating a frequency of power flowing from a power generation system to an electric-power system, and a battery system including a first battery rack, a second battery rack, a charger/discharger configured to perform a charging/discharging operation of the second battery rack, and a rack BMS configured to control the charging/discharging operation of the first and second battery racks using the control signal, and to control the charger/discharger, thus controlling a state of charge (SOC) of the second battery rack. | 2015-09-10 |
20150256000 | METHOD OF CONTROLLING SWITCH CIRCUIT, STORAGE STATUS ADJUSTING CIRCUIT, AND STORAGE BATTERY PACK - A method of controlling a switch circuit which includes n (n is a natural number greater than or equal to 3) switching units configured to respectively connect n storage batteries, which are connected in series, with n coils, wherein the n storage batteries have respective potential differences between opposite ends thereof, the method includes the step of: controlling the switching units corresponding to k (k is a natural number wherein 12015-09-10 | |
20150256001 | VOLTAGE EQUALIZATION APPARATUS AND ELECTRICITY STORAGE APPARATUS - A voltage equalization apparatus includes a switch controller controlling a first switch that is configured to provide a first voltage to a first rectifier element group corresponding to a first electricity storage member and controlling a second switch that is configured to provide a second voltage to a second rectifier element group corresponding to a second electricity storage member, and the switch controller is configured to individually control the first switch and the second switch based on voltage measurement signals of the first electricity storage member and the second electricity storage member. | 2015-09-10 |
20150256002 | SYSTEMS AND METHODS OF CONTROLLING BATTERY DETERIORATION BY CONTROLLING BATTERY TEMPERATURE DURING POWER EXCHANGE - A power exchange controller adjusts a power exchange between a plurality of batteries and an upper authority to control deterioration of a state-of-health of each of the plurality of batteries at an equivalent rate. The power exchange controller is operable to receive a total power demand from the upper authority and each of the plurality of batteries connected to a charging station and adjust the power exchange between the upper authority and each of the plurality of batteries by detecting a battery temperature of each of the plurality of batteries and determining the power exchange with each of the plurality of batteries based on the total power demand and an equalized temperature determined from each battery temperature. Each power exchange is determined so that the battery temperature of each of the plurality of batteries during the power exchange is adjusted to the equalized temperature. | 2015-09-10 |
20150256003 | SYSTEMS AND METHODS OF CONTROLLING BATTERY DETERIORATION BY CONTROLLING BATTERY STATE-OF-HEALTH DURING POWER EXCHANGE - A power exchange controller adjusts a power exchange rate between a plurality of batteries and an upper authority to modify a state-of-health of each of the plurality of batteries over time. The power exchange controller is operable to receive a total power demand from an upper authority and each of the plurality of batteries connected to a charging station and adjust the power exchange between the upper authority and each of the plurality of batteries by detecting a battery state-of-health of each of the plurality of batteries, determining the target state-of-health for the plurality of batteries based on the state-of-health of each of the plurality of batteries and determining a power exchange with each of the plurality of batteries based on the total power demand and a difference between the target state-of-health and the state-of-health of each battery. | 2015-09-10 |
20150256004 | BATTERY MANAGEMENT SYSTEM AND METHOD FOR CHARGING LITHIUM-ION BATTERY CELLS IN AN INFORMATION HANDLING SYSTEM - A computer-implemented method enables capacity based pre-charging and age based permanent failure detection in a battery. The method comprises detecting, via a controller, a real time cell voltage for at least one cell in the battery. The controller determines if the real time cell voltage is less than a normal operating cell voltage. In response to the real time cell voltage being less than the normal operating cell voltage, a capacity based pre-charge value is calculated based on a full charge capacity and at least one cell parameter of the cell. A pre-charge time is calculated based on the capacity based pre-charge value. A pre-charge voltage is identified. The battery management controller is triggered to pre-charge the battery using the calculated pre-charge time and the identified pre-charge voltage. | 2015-09-10 |
20150256005 | ENHANCED BATTERY MANAGEMENT SYSTEM - A battery management system and a method for enhanced battery management of a battery containing a number of cells. The method and system measures the cell capacity of two or more of said cells, ranks the cells in order of their cell capacity values and calculates a value for a cell specific supporting current for the measured cell, for a given load, based upon the ranked cell capacity values. Calculated cell specific currents are then provided to the cells. | 2015-09-10 |
20150256006 | BATTERY PACK PROTECTION DEVICE AND METHOD - Disclosed are a battery pack protection device and method. The battery pack protection device includes: a sensing unit configured to sense an overcharging state or an overdischarging state of a battery; a plurality of switches installed on a charging path and a discharging path of the battery; a control unit configured to control the plurality of switches so that the battery is both chargeable and dischargeable when the battery is not in the overcharging state or the overdischarging state and control the plurality of switches so that the battery is only dischargeable during overcharging or only chargeable during overdischarging by an output signal of the sensing unit; and a display unit configured to display the charging state or the discharging state of the battery. | 2015-09-10 |
20150256007 | ELECTRONIC DEVICE AND CHARGING DEVICE FOR ELECTRONIC DEVICE - An electronic device. The electronic device may include a battery, and a charging system in electronic communication with the battery. The charging system may be configured to charge at least a partially-depleted battery to a threshold charge value, discontinue the charging in response to the battery being charged to the threshold charge value, and monitor the function of the electronic device to detect at least one of an anticipated event, and an unanticipated event of the electronic device. Additionally the charging system may be configured to recharge the battery in response to detecting one of: the anticipated event occurring a predetermined time subsequent to the recharging of the battery, or the unanticipated event occurring immediately before the recharging of the battery. | 2015-09-10 |
20150256008 | LIGHTWEIGHT, WALLET-SIZED PORTABLE POWER CHARGER KIT WITH REMOVABLE CHARGING CABLE - A portable power charger kit is provided for charging electronic devices from a rechargeable internal battery. The portable charger kit comprises a wallet, a charger unit, and one or more interchangeable charging cables, each having a first end connection interface and a second end connection interface. The ends of the charging cable are storable within respective first and second cavities formed in the charger unit. A power connection port is provided in the charger unit in operative communication with the internal battery. The connection port is disposed within the first cavity for engagement with the first connection interface of the charging cable. The second end of the charging cable may be removed from its storage cavity and flexed out and away from the charger housing for engagement with a portable electronic device or an external power source while the first end remains in engagement with the power connection port. | 2015-09-10 |
20150256009 | RECHARGEABLE FLAMELESS CANDLE SYSTEMS AND METHODS - According to an embodiment of the present invention, a recharging device includes a recharging port that receives a flameless candle and recharges a battery in the candle. The recharging device includes a first stacking structure that has a top portion and a bottom portion. There is a top stacking contact on the top portion. An electrical power bus is connected with the top stacking contact. The electrical power bus is also configured to provide electrical power to the flameless candle through the recharging port. The top portion of the first stacking structure is configured to mate with a bottom portion of a first stacking structure of another recharging device. | 2015-09-10 |
20150256010 | PORTABLE ELECTRONIC DEVICE AND ASSOCIATED DOCKING ASSEMBLY WITH MAGNETIC CHARGING, SWITCHING AND DATA TRANSFER - A portable electronic device comprises at least one low-profile electrically conductive magnets, each working as an electrical contact and a mechanical locking element requiring no additional parts such as pins or springs. The magnets can be located anywhere—and independently of each other—on the external housing of the portable device. By virtue of the magnetic attractive force, they attach firmly to an associated docking assembly with mating magnets of opposite polarity. The docking assembly can be a power cable, a desktop charging station or another portable device such as a tablet or smart phone. When mating magnets come into contact the device is mechanically secured to the docking assembly and transfer of electrical charge and data can be enabled. A simple optional circuitry coupled to the magnets enables power on/off switching functions without mechanical push buttons. | 2015-09-10 |
20150256011 | Battery Fuel Gauge Apparatus - A battery fuel gauge apparatus comprises a protection device coupled to a battery pack, a current mirror device, wherein a first terminal of the current mirror device is connected to a first terminal of the protection device through a first switch and a second terminal of the current mirror device is connected to a second terminal of the protection device through a second switch, a sensing device coupled to the current mirror device, a transistor coupled to the sensing device and an operational amplifier comprising a first input coupled to the protection device, a second input coupled to the current mirror device and an output coupled to the transistor. | 2015-09-10 |
20150256012 | BATTERY CHARGER NOISE REDUCTION BY VARIABLE FREQUENCY - A method of charging a battery in a charging system having a power convertor that converts AC electrical power to DC electrical power, the method comprising generating a carrier signal having a carrier frequency that continuously varies between a minimum carrier frequency value and a maximum carrier frequency value, and operating a switching component of the power convertor using the carrier signal. | 2015-09-10 |
20150256013 | PORTABLE POWER SUPPLY - The present disclosure presents a portable power supply, which comprising an input interface, a charging and discharging control circuit, a microprocessor, a battery and an output interface. The input interface is coupled to the charging and discharging control circuit, the microprocessor, respectively. The input interface is configured to be supplied power by an external power source and transmit the power to both the charging and discharging control circuit and the microprocessor. The charging and discharging control circuit is coupled to the microprocessor, the battery and the output interface, respectively. The charging and discharging control circuit is configured to choose the charging control mode or the discharging control mode according to the charging control signal or the discharging control signal from the microprocessor, for controlling the battery to be charged or to discharge. | 2015-09-10 |
20150256014 | Circuit Arrangement and a Method for Charging a DC Link Capacitor, as well as a Battery and Motor Vehicle Comprising such a Circuit Arrangement - A circuit arrangement for charging a DC link capacitor with electrical energy from a charging battery includes a first switching element. The first switching element can optionally electrically connect a first connection contact of the circuit arrangement for the charging battery to a second connection contact of the circuit arrangement for the DC link capacitor. The circuit arrangement also includes an electrical pre-charging resistor that can connect in parallel with the first switching element. The circuit arrangement also includes two second switching elements that can be connected in series with the pre-charging resistor and in parallel with the first switching element. | 2015-09-10 |
20150256015 | BATTERY CHARGER - A battery charger for charging a battery is disclosed. In one embodiment, the battery charger comprises an input for receiving a first voltage and for coupling to a positive terminal of the battery; a first transistor having a first gate, a first drain and a first source, wherein the first gate is for coupling to a charging signal for the battery and the first drain is coupled to the battery negative terminal and, the first transistor to cause energy to be transferred from the input into the battery when turned on; and a group of transistors coupled to the first transistor and the input to control when the first transistor is turned on, wherein the group of transistors comprises a second transistor having a second gate coupled to the input and coupled to a third transistor to turn off the third transistor after a delay occurs after the voltage on the input reaches a predetermined level, and further herein the third transistor causes the first transistor to turn on when the third transistor is turned off. | 2015-09-10 |
20150256016 | Charging Method and Charger - A charging method and a charger are provided that relate to the field of electronics, and can adjust a charging current of the charger in real time and avoid a short circuit of the charger. The method in the present invention includes setting a multi-level charging current; when a terminal is charged at a present charging current, acquiring a real-time charging voltage corresponding to the present charging current; determining whether a difference between the real-time charging voltage corresponding to the present charging current and an ideal charging voltage exceeds a voltage drop threshold; when the difference does not exceed the voltage drop threshold, boosting a charging current to a next-level charging current; and when the difference exceeds the voltage drop threshold, reducing the charging current to a previous-level charging current, so as to select an appropriate charging current to charge the terminal. | 2015-09-10 |
20150256017 | ENERGY TRANSFER MECHANISM - A device and method of transferring energy between peer devices includes determining an amount of energy to transfer from a provider battery powered peer device to a consumer battery powered peer device, selecting an energy transfer connection between the provider device and the consumer device, and initiating transfer of energy via the energy transfer connection. | 2015-09-10 |
20150256018 | Mobile terminal, master data communication device and mobile terminal charging system and method - A mobile terminal, a master data communication device and a mobile terminal charging system and method are provided. The method includes that: a mobile terminal determines whether or not a power supply device is a master data communication device and, if so, determines an appropriate charging mode for charging the mobile terminal. The disclosure not only enables a mobile terminal to select a plurality of adjustable charging modes to charge the mobile terminal but also enables the terminal to select a most appropriate charging mode to charging the mobile terminal, thus improving the charging efficiency. | 2015-09-10 |
20150256019 | KINETIC ENERGY CAPTURE APPARATUS AND SYSTEM - A novel method, apparatus, and system are disclosed for a kinetic energy capture and dispensing system. The kinetic energy capture and dispensing system comprises a mechanical motion source interface member, a switching circuit element, and a microprocessor, adapted to power either an AC powered device and/or a DC powered device. The kinetic energy capture and dispensing system is further adapted to supplement power to the external powered device via a household AC power supply. | 2015-09-10 |
20150256020 | STORAGE STATUS ADJUSTING CIRCUIT, STORAGE STATUS ADJUSTING DEVICE, STORAGE BATTERY PACK AND SWITCH CIRCUIT CONTROLLING METHOD - A storage status adjusting circuit includes a first switching unit configured to switch between energy accumulation in a first coil and energy release from the first coil to any one of electric storage devices in a first assembled electric storage device having a plurality of the electric storage devices, a second switching unit configured to switch between energy accumulation in a second coil and energy release from the second coil to any one of the electric storage devices in a second assembled electric storage device having a plurality of the electric storage devices, and a changing unit configured to change a potential difference between both ends of the first coil and a potential difference between both ends of the second coil based on storage statuses of the first assembled electric storage device and the second assembled electric storage device, when energy is accumulated in the first coil and the second coil. | 2015-09-10 |
20150256021 | COVER MEMBER, ELECTRONIC DEVICE, AND METHOD FOR WIRELESS CHARGING - A cover member of an electronic device is provided. The cover member includes covers hingedly connected, wherein each cover includes a power receiving member configured to wirelessly receive power. | 2015-09-10 |
20150256022 | NON-CONTACT TYPE POWER CHARGING APPARATUS AND NON-CONTACT TYPE BATTERY APPARATUS - A non-contact type power charging apparatus and a non-contact type battery apparatus may transmit power to each of a plurality of battery cells in a capacitive coupling scheme. The non-contact type power charging apparatus may include a power transmitting apparatus transmitting power in a capacitive coupling scheme, and a power receiving apparatus receiving the power transmitted from the power transmitting apparatus to charge each of a plurality of battery cells with the power. The non-contact type battery apparatus may include a plurality of power receiving electrodes each receiving power transmitted in a capacitive coupling scheme, and a plurality of battery cells each charged with the power transmitted to the plurality of power receiving electrodes. | 2015-09-10 |
20150256023 | WIRELESS CHARGING AND COMMUNICATION BOARD AND WIRELESS CHARGING AND COMMUNICATION DEVICE - Provided are a wireless charging and communication board, and a wireless charging and communication device, the wireless charging and communication board including: a soft magnetic layer; a polymeric material layer arranged on one surface and the other surface of the soft magnetic layer and extending longer than an exposed portion of the soft magnetic layer; and a coil pattern arranged on the polymeric material layer. | 2015-09-10 |
20150256024 | BATTERY CHARGER NOISE REDUCTION BY FREQUENCY SWITCHING - A method of charging a battery in a charging system having a power convertor that coverts AC electrical power to DC electrical power includes operating the power convertor at a first frequency during a first charging phase of the charging system; ending the first charging phase upon determining that a predetermined criterion is satisfied; and subsequent to ending the first charging phase, operating the power convertor at a second frequency during a second charging phase of the charging system, wherein the first frequency is different than the second frequency. | 2015-09-10 |
20150256025 | DC Power Server For A DC Microgrid - A direct current power server configured to serve a direct current microgrid of a building. The direct current power server includes a direct current bus having branch circuits that extend from the direct current power server to provide direct current power to direct current loads of the building. The direct current power server directly integrates a local energy source and local energy storage into the direct current microgrid without attachment to the alternating current electrical grid. | 2015-09-10 |
20150256026 | Solar Powered Case for Charging Electronic Devices - A solar powered case for charging electronic devices is provided. The solar powered case includes a housing having a body, a back panel and a front panel. The back panel and the front panel include apertures that define interactive members of an electronic device. Solar panels are incorporated into the body of the housing. A circuit board is coupled to the solar panel. The circuit board is incorporated into the body of the housing and is integrally attached to the solar panel. An output jack extending from the circuit board is removably attached to the electronic device. A Meter Light is disposed on the surface of the housing. The Meter Light indicates the strength of a light source used to power the solar panels. | 2015-09-10 |
20150256027 | DEVICE AND METHOD FOR POWER DISTURBANCE DETECTION - An energy supply device with connection portion for an energy source and an energy consumer. The energy supply device is arranged to feed energy from an energy source to an energy consumer, and also comprises energy storage for supplying a connected energy consumer with energy in the event of an interruption of energy supply. There is also a control unit and sensing portion for sensing an energy flow to and/or from the energy storage portion. The sensing portion is connected to the control unit which detects a power disturbance if there is an energy flow from the energy storage portion during a predefined length of time. | 2015-09-10 |
20150256028 | Intui-Network - In the field of appliances connected to the power grid, it is sometimes desirable for such appliances to function even in the absence of grid power. Example applications include emergency lighting or public address systems. It is sometimes further desirable that such appliances be controllable in the absence of grid power, for example responding to commands to turn on or off. Appliances are described that can function in the absence of grid power, yet remain under control of a switch, actuator, or other control device. A control device may be local or remote. Appliances may be controlled via power-line communication. Appliances may sense the state of a switch even where other appliances are connected on a local circuit. | 2015-09-10 |
20150256029 | System And Method For Uninterruptible Power Supply Intelligent Transfer - A method is disclosed which makes use of an intelligent transfer algorithm for a UPS when the UPS is required to switch from a high efficiency mode of operation (VFD or VI) to an independent mode of operation (VFI), as a result of an under voltage condition occurring on the bypass line of the UPS. The method involves performing successive voltage measurements at a plurality of points during a first half cycle of an AC mains (Vout) signal to integrate the Vout signal until a zero crossing of the Vout signal is detected. Successive voltage measurements are used to detect the disruption of the Vout signal and a percentage of missing voltage area from the Vout signal during the disruption. The UPS then supplies a compensation voltage (Vcomp) which is added to the Vout signal to restore the Vout signal to a level at least approximately equal to a nominal AC mains voltage output signal (Vout | 2015-09-10 |
20150256030 | METHOD FOR OPERATING AN ENERGY INSTALLATION, AND AN ENERGY SYSTEM HAVING SUCH ENERGY INSTALLATIONS - A method is disclosed for operating an energy installation having a wind turbine or water turbine connected to a generator, a converter unit connected on the generator side to the generator, and an auxiliary energy unit for providing electrical energy to cover an intrinsic energy demand of the energy installation. The converter unit is connected to an electric power grid and feeds electrical energy generated by the generator into the electric power grid via the converter unit. The auxiliary energy unit is connected to the electric power grid for drawing electrical energy. In the event of a separation of the converter unit and of the auxiliary energy unit from the electric power grid, the auxiliary energy unit draws electrical energy from an energy storage unit for an adjustable period of time, and the auxiliary energy unit then draws electrical energy generated by the generator via the converter unit. | 2015-09-10 |
20150256031 | SYSTEM AND METHOD FOR STORING AND DISTRIBUTING DC POWER - A system and method for storing and distributing DC power, comprising: a first desk with a horizontal desktop surface and vertical support surfaces, batteries, a charging circuit with an AC to DC power converter, one AC power input channel, one DC power input channel, and DC power output channels; a second desk with a horizontal desktop surface and vertical support surfaces, batteries, a charging circuit with an AC to DC power converter, one AC power input channel, one DC power input channel, and DC power output channels; and electrical information processors adapted to the charging circuits to regulate and allocate DC power between batteries and DC power output channels within a chain of electrically connected desks by measuring and controlling charges and electric currents from charging circuits to batteries, from charging circuits to DC power output channels, and from batteries to DC output channels. | 2015-09-10 |
20150256032 | LOAD CONTROL SYSTEM - An energy management system controls electrical load operation to maintain the loads' energy usage below a maximum energy limit. An OFF priority list specifies enabled loads that can be disabled, with an enabled load having higher priority if further from the load's action threshold (such as a desired operating temperature). An ON priority list specifies disabled loads that can be enabled, with a disabled load having higher priority if closer to the load's action threshold. If the collective loads' energy consumption is below a control energy level set below the maximum energy limit (preferably by an amount approximating the projected consumption of the largest disabled load), the load atop the ON priority list is enabled and moved to the OFF priority list. If the collective loads' energy consumption is above the control energy level, the load atop the OFF priority list is disabled and moved to the ON priority list. | 2015-09-10 |
20150256033 | Optical Energy Transfer and Conversion System - An optical power transfer system for launching a spacecraft into low Earth orbit comprising a ground-based laser power generation station and a launch vehicle optically connected thereto. The generation station is capable of generating high optical power in the range of kilowatts to tens of megawatts and transferring the optical power generated to a launch vehicle to generate thrust. The generation station comprises a high power source, a chilling station, a laser, optical fiber, and at least one coupler. The launch vehicle comprises an actively cooled fiber spooler mounted thereon with a length of fiber for transmission of high optical energy circumscribing at least part thereof. The launch vehicle also contains a working fluid and fluid reservoir, a thruster assembly, an air intake and a storage chamber. In alternative embodiments, the launch vehicle may contain a beam switch assembly, multiple fiber spoolers and multiple thruster assemblies wherein at least one thruster assembly is gimbaled. | 2015-09-10 |
20150256034 | Optical Power Transfer System for Powering a Remote Mobility System for Multiple Missions - An optical power transfer system for powering a remote mobility system for multiple missions comprising a high power source and a chilling station connected to a laser source. The laser source transmits a high optical energy to a beam switch assembly via an optical fiber. The beam switch assembly is optically connected to actively cooled fiber spoolers. Docking stations are adapted for securing the fiber spoolers until alternatively ready for use by a remote mobility system. The remote mobility system is optically connected to the fiber spoolers and has a receiving port adapted for securing the fiber spoolers thereon. The fiber spooler transmits the optical energy to a power conversion system which converts the optical energy received to another usable form of energy. More than one power source may be used where the remote mobility system transfers from one source to another while maintaining an operational radius to each source. | 2015-09-10 |
20150256035 | STATOR FOR ELECTRIC ROTATING MACHINE - A stator for an electric rotating machine includes an annular stator core, an outer cylinder fitted on a radially outer surface of the stator core, and a stator coil mounted on the stator core. The stator core is comprised of a plurality of stator core segments that are arranged in a circumferential direction of the stator core so as to adjoin one another in the circumferential direction. The stator coil is fixed to the stator core by a thermosetting resin that is set by induction-heating the stator core. Each of the stator core segments is formed by laminating, in an axial direction of the stator core, at least two types of steel sheets having different thicknesses. | 2015-09-10 |
20150256036 | LAMINATED IRON CORE AND MANUFACTURING METHOD FOR LAMINATED IRON CORE - There is provided a laminated iron core including a plurality of piled iron core pieces, each piled iron core pieces being blanked from at least two piled sheet materials and sequentially laminated on other piled iron core pieces, wherein the piled iron core pieces adjacent in a direction of lamination are interlocked together by a plurality of caulking parts provided in each piled iron core pieces. Each of the plurality of caulking parts includes a caulking protrusion formed in one side and a caulking fitting groove formed in the other side to which the caulking protrusion is fitted, and the caulking protrusion is allowed to protrude to the caulking fitting groove of the piled iron core pieces adjacent thereto in the direction of lamination, and a width of the caulking protrusion is larger than an inner width of the caulking fitting groove. | 2015-09-10 |
20150256037 | STATOR FOR ELECTRIC ROTATING MACHINE - A stator for an electric rotating machine includes an annular stator core, an outer cylinder fitted on a radially outer surface of the stator core, and a stator coil mounted on the stator core. The stator core is comprised of a plurality of stator core segments that are arranged in a circumferential direction of the stator core so as to adjoin one another in the circumferential direction. The stator coil is fixed to the stator core by a thermosetting resin that is set by induction-heating the stator core. Each of the stator core segments is formed by laminating a plurality of steel sheets in an axial direction of the stator core and fixing at least some of the steel sheets by staking. The number of staking portions formed in one of the steel sheets is different from the number of staking portions formed in another one of the steel sheets. | 2015-09-10 |
20150256038 | ELECTRIC MOTOR WITH EMBEDDED PERMANENT MAGNET, AND REFRIGERATING AIR CONDITIONING EQUIPMENT EQUIPPED WITH SAME - A permanent magnet embedded electric motor includes a slit and a flux barrier. A hole defining portion of a magnet insertion hole includes an extended portion. The extended portion projects toward an interpolar core portion in a rotor core in an area positioned further on an outer side of a circumferential direction with respect to a width-direction end surface of a permanent magnet. (Lb) is larger than (La), and (Lc) is smaller than (Ld), where the (La) represents a distance between the slit and the core outer peripheral surface; the (Lb) represents a distance between the slit and an outer peripheral-side surface of the permanent magnet; the (Lc) represents a shortest distance between the extended portion and the interpolar core portion; and the (Ld) represents a thickness of the permanent magnet. | 2015-09-10 |
20150256039 | OUTER STRUCTURE OF A GENERATOR - An outer structure of a generator is provided. A generator includes a rotor and a stator, whereby the generator is a radial flux electrical machine. An outer part of the generator is the stator or the rotor, whereby the outer part of the generator includes a support structure. The support structure is modular and the modules are arranged in rows. The modules are arranged in a staggered manner, so that a module in a first row of modules is connected to two modules of a second row abutting on the first row. | 2015-09-10 |
20150256040 | ELECTRIC MACHINE HAVING ELECTRICAL BUSS AND MANUFACTURING METHOD THEREFOR - An electric machine including a stator, a rotor surrounded by and rotatable relative to the stator, a supply terminal assembly, and an electronic module electrically connected to the stator. The electronic module includes a terminal having at least one bonding region. An electrical buss is attached to the supply terminal assembly, and includes a first and second conductor portions each having a connection region joined to a bonding region of the terminal of the electronic module. The terminal of the electronic module is electrically connected to the supply terminal assembly by the first and second conductor portions. Also disclosed is a method for manufacturing such an electric machine. | 2015-09-10 |
20150256041 | STATOR OF HEAT DISSIPATION FAN - A stator includes a stator core, two insulation frames, and a plurality of coils. The stator core includes a plurality of yokes stacked one on the other along an axial direction of the stator core. The stator core has a larger outer size at one end thereof than the other end thereof. The insulation frames respectively cover the one end and the other end of the stator core. Each coils wounds around the insulation frames and corresponding portions of the stack of yoke. Each of the yokes includes an annular plate and a plurality of arms extending outwardly from an outer periphery of the annular plate, outer edges of the arms of each yoke are located on a same imaginary circle which has a common center with the annular plate, and diameters of the imaginary circles of the yokes are different from each other. | 2015-09-10 |
20150256042 | MICRO MOTOR ROTOR SUPPORT - Disclosed is a micro motor rotor support, which comprises a support frame, a shaft sleeve and a fastening ring, said support frame comprising a top plate which has an accepting hole, said shaft sleeve being mounted in the accepting hole, said fastening ring being mounted on the shaft sleeve and fixed on the top plate and its opening having at least one inclined spring sheet formed on an inner edge thereof, said spring sheet contacting with and applying pressing force to an outer surface of said shaft sleeve. The outer surface of said shaft sleeve has at least one groove, and said fastening ring or top plate has at least one projection which is locked into the groove. In the present invention, the shaft sleeve can be prevented from rotating with the rotor effectively and can be adjusted freely to keep coaxial with the rotation axis of the rotor. | 2015-09-10 |
20150256043 | Systems and Methods for Preventing Rotation of Rotor Bearings in a Stator - Systems and methods for preventing rotation of rotor bearings in electric motors which enable retrofitting of conventionally designed bearings to use spring-loaded keys instead of elastomeric T-rings to prevent rotation while allowing axial movement of the bearings within a stator bore. An elongated, curved spring arm is positioned in the nesting groove at the outer periphery of the bearing. One end of the spring may be secured to the bearing by positioning an S-shaped bend in the spring arm through a hole in the floor of the nesting groove. A key at the opposite end of the spring arm is urged radially outward by the spring arm. The key may be positioned in a slot in the outer portion of the bearing, and the spring arm may be retained in the groove by a retaining pin installed in the groove. | 2015-09-10 |
20150256044 | SPINDLE MOTOR AND HARD DISK DRIVE INCLUDING THE SAME - There are provided a spindle motor and a hard disk drive including the same. The spindle motor includes: a lower thrust member fixed to a base member; a shaft fixed to the base member; a sleeve rotatably installed on the shaft; a rotor hub coupled to the sleeve; and an upper thrust member fixed to an upper end portion of the shaft, wherein the sleeve includes a circulation hole formed therein, an upper auxiliary pressure bearing is formed between the upper thrust member and the rotor hub facing each other in a radial direction, a lower auxiliary pressure bearing is formed between the lower thrust member and the sleeve facing each other in the axial direction, and pressure formed in the lubricating fluid by the upper auxiliary pressure bearing is higher than pressure formed in the lubricating fluid by the lower auxiliary pressure bearing. | 2015-09-10 |
20150256045 | MULTI-DIRECTIONAL AIR COOLING OF A MOTOR USING RADIALLY MOUNTED FAN - An airflow system may comprise a fan radially mounted on a motor with a first plurality of fins surrounding the motor disposed to provide airflow in a first direction, and a second plurality of fins surrounding the motor disposed to provide airflow in a second direction. A housing may surround the plurality of fins. | 2015-09-10 |
20150256046 | Inhibiting Rocking of Loads Driven By Plural Levers - An apparatus includes a load and a first armature. A first lever mechanically couples the first armature and the load. Motion of the first armature causes the first lever to pivot about a first pivot axis. The apparatus also includes a second armature and a second lever that mechanically couples the second armature and the load. Motion of the second armature causes the second lever to pivot about a second pivot axis. At least one stator is provided for creating magnetic flux for the first and second armatures to interact with, thereby to drive motion of the load. The apparatus also includes a coupling mechanism that couples the first lever and the second lever. The coupling mechanism is arranged to encourage common mode oscillation of the first and second levers and inhibit differential mode oscillation of the first and second levers, thereby to inhibit rocking of the load. | 2015-09-10 |
20150256047 | MOTOR INCLUDING REMOVABLE WEIGHTS FOR BALANCING - An electric motor includes a stator, a rotor, and weights removably attached to the rotor shell for use in balancing the rotor. The removable weights may be integrally formed with a rotor shell such that the weights and the rotor shell form a unitary, one-piece construction. The removable weights may be substantially uniformly spaced apart around an entirety of the outer perimeter of the rotor shell. In a method of making an electric motor, the stator is coupled to the rotor such that the weights are accessible for selective removal during balancing of the rotor. | 2015-09-10 |
20150256048 | OPENING/CLOSING BODY OPERATION DEVICE - An opening/closing body operation device for operating an opening/closing body, which swings up and down, so as to open and close, has a driving unit, a slider which is moved up and down by the driving force from the driving unit and is linked to the opening/closing body and a guide member having the slider slidably disposed in the interior. The slider includes a main slider body, a sliding member that slides on the guide member, and an elastic member between the main slider body and the sliding member to support the load applied to the slider when the opening/closing body is opened or closed. The slider has a deformation allowance space for allowing elastic deformation of the elastic member caused when the slider is pressed into the guide member. Thus, the load applied to the slider to open or close the opening/closing body is reliably supported. | 2015-09-10 |
20150256049 | DRIVE UNIT FOR CHAIN DRIVES IN MINING - The present disclosure refers to a drive unit for chain drives in mining. The drive unit may comprise at least one drive motor, a gearing unit coupleable to the drive motor, and a power supply housing provided with flange connections on its right and left sides. The at least one drive motor and the gearing unit both may be configured to be both connectable optionally on the right hand side or left hand side flange connection of the power supply housing. Further, a power supply unit housing supply assemblies for the drive motor and/or the gearing unit may be provided. The power supply unit may be mounted in the power supply housing. | 2015-09-10 |
20150256050 | GENERATOR FOR A WIND TURBINE - It comprises a rotor and a stator that they both may be formed of a single piece or they may be formed of a number of sectors. The generator further comprises at least one active module unit as an independent unit from both the rotor and the stator. The active module unit includes at least one permanent magnet, a magnet support structure attached thereto, a first attaching mechanism to removably attach the magnet support structure to the rotor or the stator, at least one coil module comprising at least one coil winding and a magnetic core, and a second attaching mechanism to removably attach the coil module to the other of the rotor or the stator. The coil module is spaced apart from the permanent magnet a predetermined distance. | 2015-09-10 |
20150256051 | INSULATION IN AN ELECTRIC MACHINE - It is common in electric machines to use the housing as a heat sink to remove energy from the electric machine. In some applications, however, the housing receives energy from a hot element. For example, in an electronically controlled turbocharger, the very hot turbine housing radiates and conducts energy to the electric machine housing exacerbating the heating within the electric machine. To reduce the heat transfer into the electric machine, a gap is provided between the stator and the housing outside the stator. In one alternative, the gap is filled with an insulating material. In another embodiment, the gap is an air gap with the stator located within the housing by circumferential rings or axial rods in corresponding grooves. In yet another embodiment, coolant is provided to the gap at the top and drained away at the bottom under the action of gravity. | 2015-09-10 |
20150256052 | ARMATURE OF ROTATING ELECTRICAL MACHINE AND METHOD FOR MANUFACTURING SAME - Provided is an armature for a rotating electrical machine, which is capable of improving heat dissipation performance of an edgewise coil to enhance efficiency of the rotating electrical machine. The armature for a rotating electrical machine includes: a core including a yoke section and a tooth section that protrudes from the yoke section; an edgewise coil to be inserted onto the tooth section through intermediation of an insulating member, the edgewise coil being formed by winding a rectangular wire having a rectangular conductor cross-section through edgewise bending; and a heat transfer member filled into a gap between the tooth section and the edgewise coil. The armature has different gaps formed at two regions between the tooth section and a long side of the edgewise coil. | 2015-09-10 |
20150256053 | Brush-less Motor - A brush-less motor is disclosed, comprising a stator, a rotor, a plurality of field-effect tubes, a commutation circuit board, a control circuit board and a motor end cap, wherein the motor end cap comprises a front end cap and a rear end cap which are mutually fixedly connected to form an integrated motor; the plurality of field-effect tubes is directly fixed at the motor front end cap; the commutation circuit board and the control circuit board are both connected to the motor front end cap. The field-effect tubes of the brush-less motor are directly installed on a housing of the motor, ensuring good heat dissipation, saving heat sinks and cost; the integrated brush-less motor runs more smoothly and imposes requirements which are not as high as those imposed by the split brush-less motor on the accuracy of the housing. Thus, the reject ratio of products during batch production is reduced. | 2015-09-10 |
20150256054 | Ground Ring And Enclosure In An Electric Motor - An enclosure for a ground ring includes an enclosure housing configured to accept a ground ring and hold the ground ring in a predetermined position around a shaft that is electrically connected to a drive shaft of an electric motor. The ground ring having a first opening for the drive shaft and the enclosure housing has a second opening for the drive shaft. The enclosure includes an attachment configured to hold the enclosure housing around the shaft to dissipate an electrical charge and to form a cavity that contains the ground ring and includes a predetermined gap between a perimeter of the second opening of the enclosure and a surface of the drive shaft. | 2015-09-10 |
20150256055 | METHOD FOR PRODUCING STATOR - A method that can produce a high-performance stator by providing only an upper or lower fixed piece for latching a coil on an insulator and thus effectively suppressing loosening of the coil winding wire when resin is injected while improving the production efficiency of the insulator. The method includes producing an intermediate by disposing a coil around an insulator, which includes a tubular portion, a flange at one end thereof, and a fixed piece that, when the insulator is loosely fit around the tooth, extends in the radial direction of the tooth from an end side of the flange corresponding to an upper or lower end face of the tooth, and has a coil latching claw, and loosely fitting the insulator with the coil around the tooth; and placing the intermediate in a die and injecting resin from around a region where the coil is latched by the fixed piece. | 2015-09-10 |
20150256056 | WASHING MACHINE DRIVING APPARATUS AND WASHING MACHINE COMPRISING SAME - A washing machine driving apparatus includes: an outer shaft connected with a washing tub; an inner shaft rotatably arranged inside the outer shaft and connected with a pulsator; an inner rotor connected with the outer shaft; an outer rotor connected to the inner shaft; and a stator disposed with an air gap between the inner rotor and the outer rotor, The stator comprises: stator cores; a bobbin wrapped on the outer surface of each of the stator cores; a first coil wound on one side of each of the stator cores; and a second coil wound on the other side of each of the stator cores A first bearing and a second bearing are disposed on the outer circumferential surface of the outer shaft. The first bearing and the second bearing are mounted in a first bearing housing and a second bearing housing fixed to an outer tub. | 2015-09-10 |
20150256057 | Vibration Exciter - A vibration exciter is disclosed which includes a movable unit on which a test object is mounted and a fixed unit that has a flux path element, wherein the flux path element has a magnet and a yoke that has magnetic permeability, and the flux path element is disposed to produce a static magnetic field in a gap in the flux path element, the movable unit has a driving coil and is disposed with the driving coil being inserted in the gap. The vibration exciter further includes a cooling blower for cooling at least any one of the magnet and the driving coil, a controller for controlling the rate of rotation of the cooling blower, and a temperature gauge for measuring the temperature of at least any one of the magnet and the driving coil. | 2015-09-10 |
20150256058 | Linear Motor and Lithography Arrangement Including Linear Motor - A lithographic apparatus including a uniformity correction system is disclosed. The lithographic apparatus comprises an illumination system configured to condition a beam of radiation. The illumination system comprises a uniformity correction system located at a plane configured to receive a substantially constant pupil when illuminated with the beam of radiation. The uniformity correction system includes fingers configured to be movable into and out of intersection with a radiation beam so as to correct an intensity of respective portions of the radiation beam. A linear motor actuator arrangement drives the fingers to their respective appropriate positions to compensate for non-uniform illumination. Control is provided by a control system that precisely manipulates carriers of the fingers. | 2015-09-10 |
20150256059 | METHOD AND APPARATUS FOR IMPLEMENTING A POWER CONVERTER INPUT TERMINAL VOLTAGE DISCHARGE CIRCUIT - A circuit for use in a power converter includes a control circuit coupled to detect whether an electrical energy source is coupled to an input of the power converter. A switch is coupled to the control circuit, and is coupled to transfer energy from the input of the power converter to an output of the power converter during a first operating mode. The control circuit is coupled to drive the switch in the first operating mode when the electrical energy source is coupled to the input of the power converter. The control circuit is coupled to drive the switch in a second operating mode when the electrical energy source is uncoupled from the input of the power converter to drive the switch to discharge a capacitance coupled between input terminals of the power converter to a threshold voltage in less than a maximum period of time. | 2015-09-10 |
20150256060 | Soft-Start Circuit For Switching Regulator - A soft-start circuit for a switching regulator (e.g., a buck converter) in which the soft-start circuit supplies a DC ramp voltage to the switch regulator's pre-driver such that the pulsed gate voltage supplied to power switch during the initial soft-start operating phase includes a series of pulses having amplitudes that respectively gradually change (e.g., sequentially increase from 0V to the system operating voltage), whereby the regulated output voltage passed from the power switch to the load is gradually increased at a rate that prevents voltage overshoot and inrush current. The DC ramp voltage is generated, for example, by a current source that begins charging a capacitor at the beginning of the initial soft-start operating phase. This arrangement allows a constant-frequency ramp signal generated by a single oscillator to be shared by multiple switch regulators that are fabricated on an IC chip. | 2015-09-10 |
20150256061 | INVERTER DEVICE, TRANSFORMER, AND TRANSFORMER MANUFACTURING METHOD - Provided is an inverter device that can reduce high-frequency noise. The inverter device includes a transformer for converting the voltage of the AC power output from an inverter circuit and outputting the resulting power. Each of first to third coil sections for converting the voltage of the AC power output from the inverter circuit and outputting the resulting power includes an inner coil respectively wound around first to third core sections and an outer coil. The first to third core sections are each column shaped having an axis in the Y direction, and are arranged in the Z direction. Non-magnetic pressing members are provided between the adjacent coil sections and between the adjacent coil sections. The pressing members press against the adjacent coil sections and the adjacent coil sections respectively. | 2015-09-10 |
20150256062 | POWER SOURCE CONTROL DEVICE AND METHOD FOR CONTROLLING POWER SOURCE CONTROL DEVICE - A DC-DC converter | 2015-09-10 |
20150256063 | CHARGE PUMP CIRCUIT - A charge pump circuit is disclosed. The charge pump circuit includes a first circuit powered by a first supply voltage and configured to adjust a voltage of an output in response to first and second sets of control signals. The first circuit includes a set of transistors having respective switching voltages. A control circuit powered by a second voltage, less than the first supply voltage, is configured to generate the first and second sets of control signals. A voltage shifting circuit is configured to bias voltages of the first and second sets of control signals relative to the switching voltages. | 2015-09-10 |
20150256064 | METHOD, APPARATUS AND SYSTEM FOR A CHARGE PUMP WITH A SINGLE CAPACITOR AND MULTIPLE OUTPUTS - A circuit with a single capacitor and multiple outputs. The circuit reuses the same flying capacitor to charge multiple rails by timing the charging cycle sequentially, where the one rail is charged and then the charge pump switches to deliver power to the second rail. | 2015-09-10 |
20150256065 | PWM GENERATION FOR DC/DC CONVERTERS WITH FREQUENCY SWITCHING - A method for generating a pulse width modulation (PWM) control signal includes generating a sawtooth ramp signal at a first frequency under standard operating conditions using a ramp generator, generating a PWM square wave having a rising edge at a falling edge of the sawtooth ramp signal and a falling edge when the sawtooth ramp signal exceeds an error threshold, adjusting the frequency of the sawtooth ramp in response to a changed operating parameter of the ramp generator, and adjusting a peak input voltage of the ramp generator simultaneous with adjusting the frequency of the sawtooth ramp, thereby preventing one of a voltage overshoot and a voltage undershoot. | 2015-09-10 |
20150256066 | DC-DC CONVERTER AND SEMICONDUCTOR INTEGRATED CIRCUIT - In a mode comparator of the DC-DC converter, a threshold input to the mode comparator is switched to a first threshold, if a mode signal prescribes an active mode, on the other hand, the threshold input to the mode comparator is switched to a second threshold, which is higher than the first threshold, if the mode signal prescribes an inactive mode. A lower limit value to a lower limit value setting circuit of the DC-DC converter is switched to a first lower limit value, if the mode signal prescribes the active mode, on the other hand, the lower limit is switched to a second lower limit value, which is higher than the first lower limit value, if the mode signal prescribes an inactive mode. | 2015-09-10 |
20150256067 | SYSTEM AND METHOD FOR SINGLE PHASE TRANSITION FOR MULTIPHASE DCDC CONVERTERS - A DCDC converter includes a controller, an up/down counter, a first power stage and a second power stage. The controller generates an up/down control signal. The up/down counter generates a first power stage control signal and a second power stage control signal based on the up/down control signal. The first power stage generates a first output current at a first phase and at a first voltage based an the first power stage control signal. The second power stage generates a second output current at a second phase based on the second power stage control signal. The up/down counter modifies the first power stage control signal to control the first power stage such that the first output current attenuates from a first power stage output to a secondary first power stage output. The controller can further output a control signal to modify the first voltage of the first power stage | 2015-09-10 |
20150256068 | SWITCH CONTROL CIRCUIT, SWITCH CONTROL METHOD AND CONVERTER USING THE SAME - Provided is a switch control circuit for controlling a current control switch of a power supply, the power supply including a load, an inductor and the current control switch that are series-coupled to an input power. The switch control circuit includes a current measuring unit configured to measure a current flowing into the load, a current integral unit configured to integrate the measured current, a comparison unit configured to compare the integrated current value and a reference value and a control unit coupled to the current control switch, the control unit being configured to turn off the current control switch when the integrated current is substantially the same as the reference value and turn on the current control switch when a predefined off-time elapses from a time when the current control switch is turned off. The switch control circuit may quickly and accurately control an average current. | 2015-09-10 |
20150256069 | POWER SUPPLY THAT MAINTAINS AUXILIARY BIAS WITHIN TARGET RANGE - A power supply includes a switch configured to control flow of current output from an inductor to an output of the power supply. The switch receives a switching signal from a control circuit. An auxiliary bias is generated to power the control circuit. A bias circuit outputs a bias signal that is used to generate the auxiliary bias. The bias circuit senses a level of the auxiliary bias to control output of the bias signal. Output of the bias signal may be controlled to maintain the level of the auxiliary bias at a target level or within a target range. | 2015-09-10 |
20150256070 | SWITCH RELAY DEVICE - The present invention relates to a switch relay device, and more particularly, to a switch relay device which is used as an electronic relay that drives electronic components mounted on an automobile. The switch relay device includes: a switching control unit for determining a duty value depending on the kind of a control input signal inputted thereto and generating a first switching control signal and a second switching control signal whose phases are opposite to each other; a switching drive signal generation unit for generating a switching drive signal through R-C charge and discharge in response to the first switching control signal and the second switching control signal applied thereto from the switching control unit; a load output signal generation unit for receiving the switching drive signal from the switching drive signal generation unit and outputting a load output signal; and a constant voltage unit connected to a battery disposed in a vehicle to supply power to the switching drive signal generation unit and the load output signal generation unit and configured to provide a constant voltage to the switching control unit. | 2015-09-10 |
20150256071 | BUCK-BOOST CONVERTER WITH ACTIVE OUTPUT VOLTAGE DISCHARGE - Methods, devices, and integrated circuits are disclosed for applying an active output voltage discharge for a buck-boost converter. One example is directed to a method of operating a buck-boost converter that comprises an inductor, an output capacitor, and an output. The method includes receiving an indication of an altered output voltage requirement in the buck-boost converter. The method further includes deactivating a control loop in the buck-boost converter. The method further includes applying an active discharge of voltage from the output capacitor through the inductor to ground, thereby altering the voltage at the output of the buck-boost converter from a first output voltage to a second output voltage that corresponds to the altered output voltage requirement. The method further includes reactivating the control loop. | 2015-09-10 |
20150256072 | SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE AND POWER SUPPLY SYSTEM - A semiconductor integrated circuit device includes a first voltage terminal, a second voltage terminal, an output terminal, a high-side MOSFET connected between the first voltage terminal and the output terminal, a low-side MOSFET connected between the output terminal and the second voltage terminal and having first and second gate electrodes, a drive circuit that complementally switches on and off the high-side MOSFET and low-side MOSFET, and a second gate electrode control circuit that generates a second gate control signal supplied to the second gate electrode of the low-side MOSFET. The second gate electrode control circuit has a voltage generating circuit that supplies a negative voltage negative in polarity relative to a voltage at the source of the low-side MOSFET, to the second gate electrode of the low-side MOSFET. | 2015-09-10 |
20150256073 | POWER CONVERSION ARRANGEMENT AND METHOD FOR POWER CONVERSION - In one embodiment a power conversion arrangement comprises a switching converter (DC) with an input which is supplied with an input voltage (Vin) and a first output (Out | 2015-09-10 |
20150256074 | ADAPTIVE DEAD TIME CONTROL - A dead time detector detects when a dead time occurs in a switching regulator comprising a high-side switch and a low-side switch and generates an output signal based on a duration of the dead time. A first circuit generates a first turn-on signal to turn on the high-side switch and a first turn-off signal to turn off the low-side switch based on the output signal in response to a first edge of a pulse width modulated pulse. A second circuit generates a second turn-on signal to turn on the low-side switch and a second turn-off signal to turn off the high-side switch based on the output signal in response to a second edge of the pulse width modulated pulse. A controller generates drive signals to drive the high-side and low-side switches based on the first and second turn-on and turn-off signals. | 2015-09-10 |
20150256075 | DC voltage generation circuit and pulse generation circuit thereof - A pulse generation circuit, for outputting a pulse signal at an output terminal, comprises a PMOS, an NMOS and a logic circuit. The PMOS has a source coupled to a first reference voltage level, a drain coupled to the output terminal, and a gate coupled to a first gate control signal. The NMOS has a source coupled to a second reference voltage level, a drain coupled to the output terminal, and a gate coupled to a second gate control signal. The logic circuit generates the first gate control signal according to a control signal and a first logic signal, relating to the second gate control signal and a delay signal of the second gate control signal, and generates the second gate control signal according to the control signal and a second logic signal, relating to the first gate control signal and a delay signal of the first control signal. | 2015-09-10 |
20150256076 | DC voltage generation circuit and pulse generation circuit thereof - A pulse generation circuit for outputting a pulse signal at an output terminal, including: a PMOS, an NMOS, and a logic circuit. The PMOS has a source coupled to a first reference voltage level, a drain coupled to the output terminal, and a gate that receives a first gate control signal. The NMOS has a source coupled to a second reference voltage level, a drain coupled to the output terminal, and a gate that receives a second gate control signal. The logic circuit generates the first gate control signal according to a control signal and a first delay signal and generates the second gate control signal according to the control signal and a second delay signal. The first delay signal is relevant to the second gate control signal and the control signal. The second delay signal is relevant to the first gate control signal and the control signal. | 2015-09-10 |
20150256077 | Switching Circuits For Extracting Power From An Electric Power Source And Associated Methods - A switching circuit for extracting power from an electric power source includes (1) an input port for electrically coupling to the electric power source, (2) an output port for electrically coupling to a load, (3) a first switching device configured to switch between its conductive state and its non-conductive state to transfer power from the input port to the output port, (4) an intermediate switching node that transitions between at least two different voltage levels at least in part due to the first switching device switching between its conductive state and its non-conductive state, and (5) a controller for controlling the first switching device to maximize an average value of a voltage at the intermediate switching node. | 2015-09-10 |
20150256078 | WINDOWLESS H-BRIDGE BUCK-BOOST SWITCHING CONVERTER - A “windowless” H-bridge buck-boost switching converter includes a regulation circuit with an error amplifier which produces a ‘comp’ signal, a comparison circuit which compares ‘comp’ with a ‘ramp’ signal, and logic circuitry which receives the comparison circuit output and a mode control signal indicating whether the converter is to operate in buck mode or boost mode and operates the primary or secondary switching elements to produce the desired output voltage in buck or boost mode, respectively. A ‘ramp’ signal generation circuit operates to shift the ‘ramp’ signal up by a voltage Vslp(p−p)+Vhys when transitioning from buck to boost mode, and to shift ‘ramp’ back down by Vslp(p−p)+Vhys when transitioning from boost to buck mode, thereby enabling the converter to operate in buck mode or boost mode only, with no need for an intermediate buck-boost region. | 2015-09-10 |
20150256079 | ELECTRIC POWER SUPPLY CONTROL DEVICE WHICH CAN LOWER POWER CONSUMPTION - An electric power supply control device comprises AC/DC converter, DC/DC converters, and an output electrical voltage monitor unit of the AC/DC converter. When output electrical voltage of the AC/DC converter increases to the first preset value P | 2015-09-10 |
20150256080 | SYSTEM AND METHOD FOR POWER TRANSFER CONTROL - The present invention employs system and method in for distinguishing between power capabilities of various external power sources and a system that can communicate the identified power capabilities to the secondary side of the wireless power transfer system. Once the secondary side of the wireless power transfer system receives the power capability information, it adjusts the current available for a payload in accordance with the information received on power source capabilities. | 2015-09-10 |
20150256081 | MODULAR MULTILEVEL DC/DC CONVERTER FOR HVDC APPLICATIONS - A DC converter is suitable for continuous operation for connecting high-voltage DC networks having different voltages. The DC converter has a first partial converter and a second partial converter, which are connected in series with each other, forming a converter series circuit. The converter series circuit extends between the DC terminals of a DC connection. The second partial converter extends between the DC terminals of a second DC connection. The first partial converter and the second partial converter are connected to each other via a power exchange device, such that the exchange of electrical power between the first partial converter and the second partial converter is made possible via the power exchange device. | 2015-09-10 |
20150256082 | DC-DC BOOST CONVERTER - A DC-DC boost converter and apparatus including the same are disclosed. In one embodiment, the DC-DC converter comprises an input for receiving a first voltage at a first level, where the first voltage is negative; a transformer coupled to the input to convert the first voltage to a second voltage at a second level, where the second level is higher than the first level and the second voltage is positive; and an output connected to the transformer to output the second voltage. | 2015-09-10 |
20150256083 | INVERTER DEVICE AND AIR CONDITIONER - An inverter device includes: a rectifier circuit that converts an AC power supply into a DC power supply; a smoothing unit that is connected to a subsequent stage of the rectifier circuit; a short-circuit unit that short-circuits the AC power supply via a reactor that improves a power factor of the AC power supply; an inverter unit that converts a direct current from the smoothing unit into an alternating current; and a control unit that controls the inverter unit, wherein a gate drive circuit is connected to a gate terminal of each switching element in the inverter unit, the gate drive circuit includes a first gate voltage line and a second gate voltage line having a voltage value larger than a voltage value of the first gate voltage line, and the voltage value of the first gate voltage line is variable even during an operation of the inverter device. | 2015-09-10 |
20150256084 | CONVERTER CIRCUITRY - Disclosed is a DC-DC converter with a converter bridge, tank circuitry, and rectifier circuitry. In one embodiment, the converter bridge includes multiple switch circuits, which are formed with silicon carbide MOSFETs (metal on semiconductor field effect transistors), and are configured to provide a primary current. The tank circuitry includes a resonant capacitance, a resonant inductance, and a transformer with a primary, a first secondary, and a second secondary. The tank circuitry is configured to receive the primary current, and the transformer is associated with a magnetizing inductance. The resonant frequency of the tank circuitry is greater than about 225 kilohertz as essentially defined by the magnetizing inductance, the resonant capacitance, and the resonant inductance. The rectifier circuitry is coupled to the first secondary and the second secondary coil, and is adapted to provide a rectified output current. | 2015-09-10 |
20150256085 | METHOD AND APPARATUS FOR INTEGRATED CABLE DROP COMPENSATION OF A POWER CONVERTER - An integrated circuit controller includes a switching control circuit coupled to output a drive signal to control switching of a switch to regulate an output power of a power converter to be coupled to a distribution network. An oscillator is coupled to output a clock signal coupled to be received by the switching control circuit. The switching control circuit is coupled to output the drive signal in response to the clock signal. A cable drop compensator is coupled to output a compensated reference voltage signal coupled to be received by the switching control circuit in response to a switching signal from the switching control circuit. The switching signal is representative of the drive signal. The cable drop compensator is coupled to adjust the compensated reference voltage signal proportionately to a load current to compensate for a distribution voltage across the distribution network. | 2015-09-10 |
20150256086 | GALVANICALLY ISOLATED OUTPUT VARIABLE PULSE GENERATOR DISCLOSURE - A pulse generator is disclosed that includes at least the following stages a driver stage, a transformer stage, a rectifier stage, and an output stage. The driver stage may include at least one solid state switch such as, for example, of one or more IGBTs and/or one or more MOSFETs. The driver stage may also have a stray inductance less than 1,000 nH. The transformer stage may be coupled with the driver stage and/or with a balance stage and may include one or more transformers. The rectifier stage may be coupled with the transformer stage and may have a stray inductance less than 1,000 nH. The output stage may be coupled with the rectifier stage. The output stage may output a signal pulse with a voltage greater than 2 kilovolts and a frequency greater than 5 kHz. In some embodiments, the output stage may be galvanically isolated from a reference potential. | 2015-09-10 |
20150256087 | Soft Switching Converter with Dual Transformer by Steering the Magnetizing Current - A design and control method is shown to create soft transition in dual transformer half bridge or full bridge topology by controlling the magnetizing current in both transformers to cross zero level and allows soft switching on all the switching elements. | 2015-09-10 |
20150256088 | CURRENT RESONANT POWER SOURCE APPARATUS - A current resonant power source apparatus includes a series circuit (Lr, P, C | 2015-09-10 |
20150256089 | POWER CONVERSION APPARATUS - A power conversion apparatus according to one aspect of the present disclosure comprises a bridge circuit including a first switch and a second switch, a first auxiliary switch, a first auxiliary inductor, a control device, a transformer, a secondary-side inductor, a rectifier circuit, a smoothing circuit, and an output detection circuit. The control device performs an on/off operation on the first auxiliary switch if a value detected by the output detection circuit is smaller than or equal to a setting value, and maintains the first auxiliary switch in an off state if the detected value exceeds the setting value. | 2015-09-10 |
20150256090 | Systems for reducing electrical consumption using triple core iterative transformers - A system for reducing electrical consumption includes a connection to an incoming power supply of a facility, in parallel, including a hot line, and a neutral line, a ground. Components are connected between the hot line and the neutral line in this order: front capacitors front arc suppressors, at least one front metal oxide varistor line transient voltage surge suppressor having a predetermined capability to suppress undesired power spikes, at least two inductor/metal oxide varistor iterative transformers, at least one of these being a three component iterative transformer with three distinct windings, followed by other components. | 2015-09-10 |
20150256091 | DIMMER OUTPUT EMULATION WITH NON-ZERO GLUE VOLTAGE - An apparatus may include a dimmer output voltage emulator for causing a power converter interface circuit to draw current from a capacitor in the power converter interface during a period of time when a dimmer coupled to the power converter interface circuit is non-conducting to generate an emulated dimmer output voltage. The emulated dimmer output voltage may emulate part of a cycle of a non-zero AC dimmer output voltage of the dimmer after a triac of the dimmer prematurely stops conducting that would occur if the triac continued conducting during the part of the cycle. The dimmer output voltage emulator may include a pull-down circuit to pull down current of the interface circuit and generally decrease the emulated dimmer output voltage during a first period of time and a hold circuit to maintain the emulated dimmer output voltage below a substantially non-zero threshold value during a second period of time. | 2015-09-10 |
20150256092 | SOLAR PHOTOVOLTAIC POWER CONDITIONING UNITS - We describe a photovoltaic power conditioning unit comprising: both dc and ac power inputs; a dc link; at least one dc-to-dc converter coupled between dc input and dc link; and a dc-to-ac converter coupled between dc link and ac output. The dc-to-dc converter comprises: a transformer having input and output windings; an input dc-to-ac converter coupled between dc input and input winding; and an ac-to-dc converter coupled between output winding the dc link. The output winding has a winding tap between the first and second portions. The ac-to-dc converter comprises: first and second rectifiers, each connected to a respective first and second portion of the output winding, to the dc link and winding tap; and a series inductor connected to the winding tap. Rectifiers are connected to the winding tap of the output winding via the series inductor wherein the series inductor is shared between the first and second rectifiers. | 2015-09-10 |
20150256093 | HYBRID HIGH VOLTAGE DIRECT CURRENT CONVERTER SYSTEMS - A hybrid HVDC converter system includes at least one alternating current (AC) conduit, at least one transformer coupled to said at least one AC conduit, and at least one direct current (DC) conduit. The hybrid HVDC converter system also includes at least one capacitor commutated converter (CCC) configured to convert AC voltages and AC currents to a DC voltage and DC current. The at least one CCC is coupled to the at least one AC conduit through the at least one transformer. The hybrid HVDC converter system further includes at least one self-commutated converter (SCC) configured to convert AC voltages and AC currents to a regulated DC voltage and DC current. The at least one SCC includes at least one AC/DC stage and at least one DC/DC stage coupled to the at least one AC/DC stage. | 2015-09-10 |
20150256094 | HYBRID HIGH VOLTAGE DIRECT CURRENT CONVERTER SYSTEM AND METHOD OF OPERATING THE SAME - A hybrid HVDC converter system includes a DC bus, at least one capacitor commutated converter (CCC) and at least one self-commutated converter (SCC) coupled in series through the DC bus. The CCC induces a first voltage on the DC buses, the SCC induces a second voltage on the DC bus, the first voltage and the second voltage are summed to define a total DC voltage. The method includes at least one of regulating the total DC voltage induced on the DC buses including regulating the first DC voltage through the CCC and regulating the second DC voltage through the SCC substantially simultaneously, regulating the total DC voltage induced on the DC bus including regulating the second DC voltage through the SCC, and regulating the total DC voltage induced on the DC bus including regulating the first DC voltage through the CCC. | 2015-09-10 |
20150256095 | METHOD OF CONTROLLING POWER CONVERSION APPARATUS - A voltage of a reactor is detected. a correction is made on the basis of the voltage of the reactor so that a first voltage control rate command which is a ratio of an amplitude of an AC voltage to an average value of a DC voltage increases as a harmonic component of the DC voltage becomes higher and the first voltage control rate command decreases as an amplitude of an alternating current outputted from the power converter becomes larger, to generate a second voltage control rate command. A switching signal which is generated on the basis of the second voltage control rate command is given to the power converter. | 2015-09-10 |
20150256096 | Capacitor Module and Power Conversion Device - In a power conversion device according to the present invention, a capacitor module, includes a first capacitor element; a second capacitor element; a positive pole-side bus bar; and a negative pole-side bus bar disposed in a laminated state, in which the positive pole-side bus bar and the negative pole-side bus bar are laminated via an insulating member. The first capacitor element includes a first body portion, a first positive pole-side electrode, and a first negative pole-side electrode. The second capacitor element includes a second body portion, a second positive pole-side electrode, and a second negative pole-side electrode. The first capacitor element is disposed so that the first positive pole-side electrode assumes a position closer to the second negative pole-side electrode than to the second positive pole-side electrode and faces the second negative pole-side electrode; and a laminate portion formed with the positive pole-side bus bar and the negative pole-side bus bar continues up to a point over a space where the first positive pole-side electrode and the second negative pole-side electrode face each other. | 2015-09-10 |