04th week of 2017 patent applcation highlights part 59 |
Patent application number | Title | Published |
20170025869 | CONTROLLING CHARGING AND/OR DISCHARGING OF BATTERIES WITHIN A USER DEVICE - A user device can include a first battery to power the user device, a second battery to power the user device, and a switching logic controller. The switching logic controller can be configured to at least one of control simultaneous charging of the first and second batteries based on a temperature of at least one of the first and second batteries and control individual discharging of the first and second batteries based on the temperature of at least one of the first and second batteries. | 2017-01-26 |
20170025870 | ELECTRICAL COMBINATION - An electrical combination includes a power tool and battery pack. The battery pack includes a detection terminal and a normal terminal, two detection circuits, and a control module for respectively connecting with the two terminals. The control module can detect and compare voltage signals in the detection circuits. One detection circuit is used to provide a comparing reference and the other detection circuit is used as a circuit of the terminals and to apply the same voltage on the terminals. A difference between voltages sampled from voltage sampling points and a predetermined value is compared to determine whether the resistance of the terminals is increased. The method can help to decide whether the connection of terminals is good or not. | 2017-01-26 |
20170025871 | BATTERY PACK - A battery pack includes a battery, a terminal unit, a first current path, a second current path, and a first voltage sensing path. The battery has first and second battery terminals. The terminal unit includes a first pack terminal, a second pack terminal, and a first sensing terminal. The first current path includes charging and discharging switches and is located between the first battery terminal and the first pack terminal. A charging current and discharging current of the battery flows on the first current path. The second current path is between the second battery terminal and the second pack terminal. The first voltage sensing path includes the first sensing terminal, and voltage between the first sensing terminal and another terminal corresponds to a voltage between the first battery terminal and the first sensing terminal. | 2017-01-26 |
20170025872 | BATTERY DISCONNECT UNIT - Disclosed embodiments relate to a battery disconnect unit capable of being stably driven, and minimizing damage of a circuit, by including a means to protect the circuit at high temperatures without an additional power source. In some embodiments, the battery disconnect unit includes a first main relay electrically connected between a first pole of a battery and an inverter; a second main relay electrically connected between a second pole of the battery and the inverter; a pre-charge relay connected to the second main relay in parallel; and a to self-operating switch connected between the first pole of the battery and the second main relay, and configured to autonomously open a circuit providing an electric power from the battery when a ambient temperature is drastically increased, or when an over-current occurs. | 2017-01-26 |
20170025873 | BATTERY CASE FOR MOBILE DEVICE - A battery case for a mobile device is provided comprising a case, electrical components, a port, and an aperture size to contain at least one rechargeable battery. Also provided is a charger including a mount to receiving a rechargeable battery. The rechargeable battery may be configured to fit inside of the battery case. The charger may be figured to fit inside of the battery case. | 2017-01-26 |
20170025874 | CHARGING METHOD - A charging method is provided. The method includes: receiving a direction setting signal, and determining a charging direction according to the direction setting signal; determining a charging operation as charging a slave device with a master device when the charging direction is a first charging direction; determining the charging operation as charging the master device with the slave device when the charging direction is a second charging direction opposite to the first charging direction; and sending to a power management module of the master device and to a power management module of the slave device a charging instruction according to the charging operation determined. Accordingly, two smart devices connected through a connecting line may be charged by each other according to a user-defined charging direction. | 2017-01-26 |
20170025875 | Power Supply Apparatus - A power supply apparatus for providing electrical power, the power supply apparatus configured to be coupled to an electronic device to supply power thereto to charge a battery of the electronic device, the apparatus comprising a fuel cell configured to receive a supply of a fuel for generating said electrical power, the apparatus further including a controller configured to determine the power flow to the electronic device to interrupt the supply of power to the electronic device prior to the battery of the electronic device reaching a fully charged state. | 2017-01-26 |
20170025876 | Method and Apparatus for Intelligent Battery Control - A power control and delivery system for improving and prolonging the performance of batteries through a total power source comprised of a battery, a power controller and a power buffer. | 2017-01-26 |
20170025877 | CHARGE WAKE-UP CIRCUIT FOR BATTERY MANAGEMENT SYSTEM (BMS) WITH SAME PORT - A charge wake-up circuit for Battery Management System (BMS) with the same port. The circuit includes the charge-discharge module and charge detection module. The charge-discharge module contains Charger W, load R | 2017-01-26 |
20170025878 | POWER SUPPLY MODULE AND POWER SUPPLY METHOD USING THE SAME - The power supply module includes a switching power circuit, a switching unit, a power storage unit and a control unit. The switching power circuit is coupled between an input terminal and an output terminal, and used to convert a first voltage to a second voltage. The switching unit is connected to the switching power circuit in parallel. The power storage unit is coupled to the output terminal. The control unit is coupled to the switching unit and controls the switching unit to turn on selectively according to a detecting signal corresponding to a charging or discharging status of the power storage unit to output the first voltage to the output terminal. | 2017-01-26 |
20170025879 | INTERFACE CIRCUITRY FOR BIDIRECTIONAL POWER CONNECTOR - Interface circuits that may utilize a limited number of pins to detect a presence of an accessory, determine whether the accessory can provide or receive power, communicate with the accessory regarding at least that transfer of power, and transfer power accordingly. One example may provide detection circuitry for a host that may detect the presence of a pull-down resistor on a data pin of an accessory. The pull-down may indicate that a power consuming accessory has been connected. This example may detect the presence of power on a power pin. The presence of the power on the power pin may indicate that a power providing accessory has been connected. | 2017-01-26 |
20170025880 | APPARATUS AND METHOD FOR POWERING A MOBILE DEVICE - A system, topology, and methods for providing power or data to electronic devices are described generally herein. Other embodiments may be described and claimed. The system may include an internal power source, charging module, modem, and an external power coupling module. | 2017-01-26 |
20170025881 | WIRELESS CHARGER SYSTEM AND METHOD - A wireless charger system includes a charging module and at least one receiving module. The receiving module is configured to receive a power from the charging module wirelessly for charging a device. The charging module includes a source module, a control module, and a charging antenna. The receiving module includes a receiving antenna and a converting module. The control module is also configured to detect a perturbation of a current of the charging module. When the perturbation is detected, the control module is configured to increase a voltage outputted from the source module; when the perturbation is not detected, the control module is configured to decrease the voltage outputted from the source module. The disclosure further provides a wireless charger method. | 2017-01-26 |
20170025882 | WIRELESS CHARGER AND WIRELESS CHARGING METHOD - A wireless charger includes a wireless charging transmitter. The wireless charging transmitter includes a transmission antenna, a driving circuit, a transmission temperature sensor, and a controller. The driving circuit can output a charging signal in a fast charging mode initially. The transmission temperature sensor can detect a transmission temperature value of the transmission antenna. The controller can receive the transmission temperature value from the transmission temperature sensor. The driving circuit is can output the charging signal in a fast charging mode initially. When the transmission temperature value is greater than an overheat value, the controller can control the driving circuit to output in a slow charging mode. | 2017-01-26 |
20170025883 | MULTI-CHARGEABLE (AC/DC/SOLAR/WIRELESS, ETC) AND MULTI-FUNCTIONAL (SECURES, ORGANIZES, CHARGES, STORES, DOCKS, ETC.) ENERGY STORAGE CASE FOR INTELLIGENT, AUTOMATIC, AND SIMULTANEOSLY CHARGING OF MULTIPLE ELECTRONICS DEVICES. - A multi-chargeable and multi-functional energy storage case for intelligent, automatic, and simultaneous wireless charging of multiple electronic devices. The energy storage device utilizes the best in battery technology to maximize the usefulness of electronic devices and it can be charged in a variety of ways. It can be charged via traditional alternating current (AC), via direct current (DC) as from a cigarette lighter receptacle in an automobile, from attached solar panels, or wirelessly via inductive charging spots that are beginning to appear in coffee shops and restaurants throughout the country. In addition, the case is multi-functional. The device is capable of organizing, storing, docking, wirelessly charging multiple electronic devices, and is equipped with security sensors for the security of electronic devices. The onboard intelligent power management system automatically identifies and delivers optimal power load to multiple electronic devices simultaneously according to industry standards. | 2017-01-26 |
20170025884 | SYSTEM AND METHOD FOR PROVIDING WIRELESS POWER TRANSFER FUNCTIONALITY TO AN ELECTRICAL DEVICE - A retrofittable wireless power receiver is disclosed for providing inductive power reception functionality to at least one host device. The retrofittable wireless power receiver comprises a support platform, a secondary inductor operable to couple inductively with a primary inductor associated with a wireless power transmitter; a power reception circuit operable to control inductive power transfer from the primary inductor to the host device, a synchrorectifier, and a near field communication antenna. The retrofittable wireless power receiver further comprises an array of electrical contacts that comprises a VOUT and GND pair of terminals wired to the sychrorectifier, a DISABLE terminal wired to the power reception circuit and configured to disable power transfer, and a pair of data contacts wired to the near field communication antenna. | 2017-01-26 |
20170025885 | PROXIMITY WIRELESS POWER SYSTEM USING A BIDIRECTIONAL POWER CONVERTER - A bidirectional power converter circuit is controlled via a hysteresis loop such that the bidirectional power converter circuit can compensate in near real time for variations and even changes in transmit and receive coil locations without damaging components of the system. Because the bidirectional power converter is capable of both transmitting and receiving power (at different times), one circuit and board may be used as the main component in multiple wireless power converter designs. The bidirectional power converter circuit is used in a proximity wireless power transmitter and a proximity wireless power receiver, such that the transmitter and receiver may be misaligned in any direction while providing power from the transmitter to the receiver without damaging any circuitry of either the bidirectional power converter transmitter or the bidirectional power converter receiver. | 2017-01-26 |
20170025886 | Wireless Charger - The present invention is directed to an electrical wiring assembly that includes a plurality of line terminals configured to be coupled to a source of AC power. A circuit assembly is coupled to the plurality of line terminals. The circuit assembly includes a control circuit coupled to at least one electro-magnetic coil, the control circuit being configured to provide an electrical drive signal to the at least one electro-magnetic coil in accordance with a predetermined wireless charging regimen. The at least one electro-magnetic coil is configured to propagate a magnetic field in accordance with the electrical drive signal. A wall plate assembly is configured to accommodate the circuit assembly therewithin, the wall plate assembly including a charging interface region configured to accommodate a portable electronic device. The charging interface region is configured to position the at least one electro-magnetic coil proximate the portable electronic device so that the portable electronic device is disposed within the propagated magnetic field in accordance with the predetermined wireless charging regimen. | 2017-01-26 |
20170025887 | OPERATING METHOD OF AN ELECTRONIC DEVICE AND ELECTRONIC DEVICE SUPPORTING THE SAME - A method for operating an electronic device is provided. The method includes monitoring a noise level of a noise signal received via a panel while wireless power is transmitted and/or received at a first power level via at least a conductive pattern, and generating a signal for changing the first power level corresponding to at least a part of an input to at least a part of the panel. | 2017-01-26 |
20170025888 | FOCUSED POWER TRANSFER FOR IMPLANTABLE MEDICAL DEVICE - A rechargeable cell of an implantable medical device is recharged by an external charging unit that includes a transmitting coil configured to emit an electromagnetic field and a near-field focusing plate having a subwavelength structure pattern that focuses the emitted electromagnetic field to a focal pattern. The implantable medical device includes a housing having a window of an electromagnetically transparent material and a receiving coil enclosed by the housing. The receiving coil extends adjacent to and is aligned with the window. The rechargeable cell is enclosed by the housing and is configured to be charged by current induced in the receiving coil when the receiving coil is exposed to the focal pattern. In some examples, the near-field focusing plate is configured to produce the focal pattern to have a size that is less than an outer dimension of the window and a focal length from the near-field focusing plate that at least reaches the window. | 2017-01-26 |
20170025889 | PERSONAL WIRELESS CHARGING SYSTEMS - A wireless personal electronic charging system includes a personal storage item with a storage location for a portable electronic device, a power section, a connector, and a power controller. The power section includes a wireless induction charger receiver and a system battery configured to receive and store power from the wireless induction charger receiver. The connector extends through a lower wall of the storage location and, when a portable electronic device including a device battery is located within the storage location, is in electrical communication with the device battery and transfers power from the power section to the device battery. The power controller directs power from the wireless induction charger receiver to one of the device battery and the system battery. The power controller directs power to the device battery when the device battery is not fully charged and to the system battery when the device battery is fully charged. | 2017-01-26 |
20170025890 | POWER GENERATION FOR RADIATION SYSTEM - One or more techniques and/or systems are described for generating power on a rotating unit of a system, such as a radiation system (e.g., CT system). The rotating unit comprises a generator that comprises a drive wheel. The drive wheel interfaces with a drive mechanism of a stationary unit. As the rotating unit is moved relative to the stationary unit, the drive wheel rotates along the drive mechanism causing power to be generated by the generator. The power may be supplied to one or more electronic components of the rotating unit. | 2017-01-26 |
20170025891 | REDUNDANT RESIDENTIAL POWER SOURCES - Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for controlling a battery power source. In one aspect, a system includes a first MOSFET having a first gate, a first source, and a first drain. A second MOSFET having a second gate, a second source, and a second drain. The first source is connected to the second source, and the second drain is coupled to a ground. A control circuit connected to the first gate and the second gate and that provides control signals to the first gate and the second gate that cause the first and second MOSFETS to operate in saturation regions during a first operational state to cause the first power source to discharge and the first MOSFET operates in a linear region during a second operational state to limit a charging current that charges the first power source. | 2017-01-26 |
20170025892 | Smart Power Node - A portable electrical energy power node is provided. The power node includes first and second input power terminals and first and second output power terminals. The input power terminals are adapted for receiving a source of electrical power and the output terminals are adopted for connecting to a load. A first power line connects the first input terminal to the first output terminal, a second power line connects the second input terminal to the input side of a circuit interrupter and a third power line connects the output side of the circuit interrupter to the second output terminal. The circuit interrupter selectively interrupts the connection between the second input terminal and the second output terminal in accordance with a fault sensor and a control unit. | 2017-01-26 |
20170025893 | SYSTEM, METHOD, AND APPARATUS FOR ELECTRIC POWER GRID AND NETWORK MANAGEMENT OF GRID ELEMENTS - Systems, methods, and apparatus embodiments for electric power grid and network registration and management of active grid elements. Grid elements are transformed into active grid elements following initial registration of each grid element with the system, preferably through network-based communication between the grid elements and a coordinator, either in coordination with or outside of an IP-based communications network router. A multiplicity of active grid elements function in the grid for supply capacity, supply and/or load curtailment as supply or capacity. Also preferably, messaging is managed through a network by a Coordinator using IP messaging for communication with the grid elements, with the energy management system (EMS), and with the utilities, market participants, and/or grid operators. | 2017-01-26 |
20170025894 | MICROGRID CONTROLLER FOR DISTRIBUTED ENERGY SYSTEMS - A microgrid controller for controlling one or more edge units in a distributed energy system is presented. In some embodiments, the microgrid controller communicates with one or more network adjacent edge units, each of the one or more network adjacent edge units being coupled to a power grid, determines an instruction set to execute with the one or more network adjacent edge units, provides operating parameters for the one or more network adjacent edge units to execute the instruction set, and monitors the one or more edge units over a network that is not associated with the internet. In situations where the internet fails, microgrid controller determines a set of instructions to execute and provides instructions to the network adjacent edge units. | 2017-01-26 |
20170025895 | POSITION MISALIGNMENT DETECTION DEVICE AND ELECTRONIC APPARATUS - The position misalignment detection device includes: a comparator configured to compare an electric current induced by a receiving coil in a receiver (RX) to which an electric power is transmitted from a transmitter (TX) with a non-contact power supply transmitter method; a frequency counter connected to the comparator, the frequency counter configured to count transmit frequency fi transmitted from the transmitter; and a register configured to store a counted value F | 2017-01-26 |
20170025896 | POWER SOURCE, CHARGING SYSTEM, AND INDUCTIVE RECEIVER FOR MOBILE DEVICES - A power source, charging system, and inductive receiver for mobile devices. A pad or similar base unit comprises a primary, which creates a magnetic field by applying an alternating current to a winding, coil, or any type of current carrying wire. A receiver comprises a means for receiving the energy from the alternating magnetic field and transferring it to a mobile or other device. The receiver can also comprise electronic components or logic to set the voltage and current to the appropriate levels required by the mobile device, or to communicate information or data to and from the pad. The system may also incorporate efficiency measures that improve the efficiency of power transfer between the charger and receiver. | 2017-01-26 |
20170025897 | DEVICES, SYSTEMS, AND METHODS FOR ADJUSTING OUTPUT POWER USING SYNCHRONOUS RECTIFIER CONTROL - In one aspect, an apparatus for wireless receiving power comprises a receive circuit configured to receive wireless power via a magnetic field sufficient to power or charge a load. The apparatus further comprises a tuning circuit comprising a variable reactive element, coupled to the receive circuit, and configured to detune the receive circuit away from a resonant frequency to adjust an output power level to a first output power level. The apparatus comprises a rectifier, comprising a switch, coupled to the receive circuit and configured to rectify an alternating current to a direct current for supplying power to the load. The apparatus comprises a drive circuit configured to actuate the switch when a current through the switch satisfies a first non-zero current value and adjust the first non-zero current value to a second non-zero value to adjust the first output power level to a second output power level. | 2017-01-26 |
20170025898 | CONTACTLESS POWER TRANSMISSION DEVICE AND POWER TRANSFER SYSTEM - A power transmission device includes a power transmission unit and a voltage-source inverter. A power supply ECU executes turn-on current control for controlling a turn-on current It to a target current Itr by adjusting a drive frequency f of the inverter, turn-on current It indicating an output current of the inverter at a rising of an output voltage of the inverter. A first case is a case where transmission power Ps has a first value which is lower than target power Psr and a second case is a case where the transmission power has a second value which is closer to target power Psr than the first value. The power supply ECU makes a change rate of the drive frequency in the second case lower than in the first case. | 2017-01-26 |
20170025899 | CONTACTLESS POWER TRANSMISSION DEVICE AND POWER TRANSFER SYSTEM - A control unit executes a first control and a second control. The first control is to control transmission power to target power by adjusting a duty of an output voltage of an inverter. The second control is to control a turn-on current by adjusting the drive frequency, the turn-on current indicating an output current of the inverter at a rising of the output voltage. When the transmission power exceeds a limit value larger than the target power during adjustment of the drive frequency by the second control, the control unit decreases the target power in the first control. | 2017-01-26 |
20170025900 | POWER RECEPTION APPARATUS AND WIRELESS POWER TRANSMISSION METHOD - A power reception apparatus includes a power reception coil, a relative distance detection section, a power transmission efficiency detection section, a database, a power transmission frequency setting section, and a power transmission request section. The power transmission frequency setting section is configured to read from the database a resonance frequency corresponding to a combination of a relative distance and an initial transmission efficiency and to set the read resonance frequency as a power transmitting frequency. The power transmission request section is configured to notify the power transmission apparatus of the power transmission frequency set by the power transmission frequency setting section to request wireless power transmission with the power transmission frequency. | 2017-01-26 |
20170025901 | LOW POWER INDUCTIVE POWER RECEIVER - An inductive power receiver including a receiving coil, first capacitor and power conditioning circuitry for providing power to a load. The inductive power receiver also includes a variable capacitance and/or a variable inductance connected in parallel with at least one of the receiving coil and the first capacitor. The variable capacitance includes a variable impedance and a second capacitor having a capacitance at least twice the capacitance of the first capacitor. The variable inductance includes a variable impedance and an inductor having an inductance at least twice the inductance of the receiving coil. A control circuit controls the variable impedance based on a load voltage input and a reference voltage input so as to regulate the power provided to the load. | 2017-01-26 |
20170025902 | VEHICLE AND CONTACTLESS POWER TRANSFER SYSTEM - Provided is a vehicle including a floor panel, a power reception device including a secondary side core and a power reception coil wound around the secondary side core, and being attached to a lower surface of the floor panel to receive electric power from a power transmission device in a contactless manner while being opposed to the power transmission device, and a shield provided to cover at least a portion of the floor panel positioned around the secondary side core. | 2017-01-26 |
20170025903 | WIRELESS POWER TRANSMITTER AND METHOD FOR CONTROLLING WIRELESS POWER TRANSMITTER - Provided is a method for controlling a wireless power transmitter transmitting wireless power to at least one wireless power receiver. The method for controlling a wireless power transmitter, according to the present invention, can comprise the steps of: receiving information related to a wireless power receiver from at least one of each of the wireless power receiver; and controlling each of a plurality of power transmitting units included in the wireless power transmitter on the basis of the information related to the wireless power receiver. | 2017-01-26 |
20170025904 | FOREIGN OBJECT DETECTION IN WIRELESS ENERGY TRANSFER SYSTEMS - The disclosure features apparatus, methods, and systems for wireless power transfer that include a power source featuring at least one resonator, a power receiver featuring at least one resonator, a first detector featuring one or more loops of conductive material and configured to generate an electrical signal based on a magnetic field between the power source and the power receiver, a second detector featuring conductive material, and control electronics coupled to the first and second detectors, where during operation, the control electronics are configured to measure the electrical signal of the first detector and compare the measured electrical signal of the first detector to baseline electrical information for the first detector to determine information about whether debris is positioned between the power source and the power receiver. | 2017-01-26 |
20170025905 | Method of automatic charging - A method of realizing low battery fully automatic charging in communication equipment, includes the following steps: a) Providing a quantity of electricity detector, when quantity of electricity detector detects that the quantity of electricity of mobile communication equipment is lower than set threshold, step (b) should be started; b) the said mobile communication equipment searching and positioning one external charging device to positioning the coordinates of mobile communication equipment by taking the position where the external charging device is placed as the origin of coordinates; c) Starting the mobile communication terminal to move towards the direction of the external charging device; d) providing an interface set on the mobile communication equipment. Charging of mobile communication equipment is realized through the matching of interface and external charging device. | 2017-01-26 |
20170025906 | CORE FOR ELECTRICAL MACHINE - A transverse flux electrical machine comprising a rotor portion and a stator portion is presented, the stator portion comprising a plurality of cores for use in conjunction with the rotor, each of the plurality of cores comprising a plurality of ferromagnetic sheet material layers substantially bent in a “U” configuration and stacked one on top of the other, a surface of each sheet material layer being substantially parallel with a core axis of the “U” configuration for reducing eddy currents therein and a pair of legs including, respectively, a reduction portion along the legs, toward a pair of poles thereof. | 2017-01-26 |
20170025907 | STATOR FOR ELECTRIC ROTARY MACHINE - A stator for an electric rotary machine including a stator core and a coil, wherein: the coil has plural slot coils, each slot coil being inserted into the slot, and plural connection coils, each connection coil connecting the slot coils in a position lying further axially outwards than an axial end face of the stator core; the connection coil has an inner connection coil portion and an outer connection coil portion, the inner connection coil port on and the outer connection coil portion being disposed individually on planes that intersect an axial direction at a right angle and that lie in different axial positions, and an axial extending portion that connects the inner connection coil portion and the outer connection coil portion; and the inner connection coil portion, the outer connection coil portion, and the axial extending portion are configured by an integral conductor. | 2017-01-26 |
20170025908 | ROTOR AND MOTOR HAVING THE SAME - A rotor that may include a first rotor core, a second rotor core disposed below the first rotor core, a first insulator coupled to the first rotor core, and a second insulator coupled to the second rotor core. The first rotor core may include first teeth protruding from a first outer circumferential surface thereof, and the second rotor core may include second teeth protruding from a second outer circumferential surface thereof. The first insulator may include a body configured to surround the first teeth. A first outer guide may be formed at an outside of the body with respect to a radial direction of the first rotor core, and the second insulator may include a body configured to surround the second teeth. A second outer guide may be formed at an outside of the body with respect to a radial direction of the second rotor core. The first teeth and the second teeth may be disposed at different positions with respect to a circumferential direction. The first outer guide and the second outer guide may be configured to abut each other such that a separate member for filling a space into which a nozzle is inserted is omitted. A manufacturing time and a manufacturing process can be reduced based on such disclosure. | 2017-01-26 |
20170025909 | BRUSHLESS DC ELECTRICAL GENERATOR - The present disclosure relates to an apparatus for the generation of a unidirectional electrical signal. The apparatus may include at least one magnet defining a magnetic field, a rotor disc of substantially no magnetic permeability comprising at least one magnetic field interrupter of magnetically permeable material positioned at a first radial distance from a center axis of the rotor disc, the rotor positioned so as to, upon rotation of the rotor disc, cause the at least one interrupter to pass through the magnetic field, and an electrical conductor extending across the magnetic field, whereby as the at least one interrupter passes through the magnetic field, the magnetic field is distorted by the interrupter thereby inducing a unidirectional electric signal in the conductor. The at least one magnet may be an electromagnet or a permanent magnet. The at least one magnetic field interrupter may be made of soft iron. | 2017-01-26 |
20170025910 | DC MOTOR AND METHOD OF MANUFACTURING THE SAME - A DC motor includes a cylindrical yoke constituting a magnetic path, pole cores fixed to an inner periphery of the yoke so as to be arranged at even intervals along a circumferential direction of the yoke, and a field conductor that generates a magnetic field to magnetize the pole cores when supplied with a current. The field conductor includes inter-core conductors each of which extends in an axial direction of the yoke so as to be disposed between circumferentially adjacent pole cores. Each of the inter-core conductors is formed by integrating a first conductor part that generates a magnetic field to be applied to one of the circumferentially adjacent pole cores and a second conductor part that generates a magnetic field to be applied to the other of the circumferentially adjacent pole cores. | 2017-01-26 |
20170025911 | ELECTRICAL MACHINES - An electrical machine is disclosed comprising a stator cavity. The stator cavity is axially divided by a distribution plate into a winding chamber containing stator windings of the electrical machine and a handling chamber. The handling chamber has one of a fluid inlet and a fluid outlet and the winding chamber has the other of the fluid inlet and fluid outlet. In use fluid is passed from the fluid inlet to the fluid outlet via the handling chamber, the winding chamber and an array of fluid passages in the distribution plate providing fluid communication between the handling chamber and winding chamber. The array of fluid passages comprises passages of at least two different cross-sectional areas. | 2017-01-26 |
20170025912 | MOTOR STATOR DEVICE WITH SIMPLE COIL-WINDING STRUCTURE - A motor stator device with simple coil-winding structure is disclosed. The motor stator device includes an insulating base comprising an outer ring base, an inner ring base and a connection base, the outer ring base and the inner ring base alternatively forming outer ring openings, inner ring openings, outer ring sinks and inner ring pillars, the connection base being provided to be wound with a metal coil; a plurality of stator segments being positioned on the insulating base; and a plurality of segment connectors being positioned on the outer ring sinks between the insulating base and the stator segments and having a base part and an extension part opposite to the base part, the extension part being integrally extended from the base part and toward the motor rotor to get close to the inner ring pillar next to the motor rotor, so as to decrease the cogging torque. | 2017-01-26 |
20170025913 | STATOR FOR ELECTRIC ROTARY MACHINE AND METHOD FOR PRODUCING THE STATOR - A stator for an electric rotary machine including a stator core and a coil, wherein: the coil has plural slot coils and plural connection coils, each slot coil being inserted into the slot, each connection coil connecting the slot coils in a position lying further axially outwards than an axial end face of the stator core, and the coil being constituted in such a way that the slot coil and the connection coil are joined at an abutment portion; and in a hole portion, where the abutment portion is accommodated, of a insulation plate, the connection coil and the slot coil are spaced apart from the insulation plate in the circumferential direction to thereby form a first gap portion. | 2017-01-26 |
20170025914 | A CONDUCTOR BAR FOR AN ELECTRIC MACHINE - The present disclosure relates to an insulated conductor bar, a use of a certain material for manufacturing an insulated conductor bar, and to a method for impregnating an insulated conductor bar. An object of the invention is to provide an alternative impregnation of a conductor bar for an electric machine. The invention discloses an insulated conductor bar for an electric machine having an insulation from a tape made from mica material, mica material on a glass fabric, or mica material on a polyester film, whereas a thermoplastic material is applied to the mica material or the mica material on a glass fabric. | 2017-01-26 |
20170025915 | ELECTRIC MOTOR SYSTEMS AND METHODS - Electric motor systems and methods may provide highly efficient operation. The electric motor systems and methods discussed herein provide an oil filled motor that is low speed and utilizes permanent magnets. The electric motor may utilize a large number of poles and fractional slot design. Further, in some embodiments, the electric motor systems and methods may be suitable for use downhole. | 2017-01-26 |
20170025916 | MOTOR - A motor may include a shaft, an armature, a commutator, a bearing, a housing, a bracket, and a brush card assembly. The brush card assembly may include a brush contacting the commutator, and a brush card holding the brush. The bracket may include a bracket bottom portion covering at least a portion of a lower side of the brush card, a cylindrical bracket cylindrical portion extending upwardly from a radially outer edge of the bracket bottom portion, a bearing holding portion extending upwardly from the bracket bottom portion at a radially inner side of the bracket cylindrical portion, and holding the bearing, and a rib positioned above the bracket bottom portion, and extending radially outward from the bearing holding portion. | 2017-01-26 |
20170025917 | BRUSHED ELECTRIC MOTOR - Brushed electric motor ( | 2017-01-26 |
20170025918 | RING FOR AN ELECTRIC MACHINE - The present disclosure relates to a ring for a rotor of an electric machine as a support for a retaining ring and for cooling coils of the rotor. It is an object of the invention to provide measures for cooling coils of a rotor of an electric machine. Disclosed is a ring for an electric machine, the ring is connected between a retaining ring and coils wound around a rotor, whereas the ring is fabricated from a non-conductive material. | 2017-01-26 |
20170025919 | STATOR FOR ELECTRIC MOTOR, ELECTRIC MOTOR, AND AIR CONDITIONER - The present invention includes a stator; a substrate on which a position detection circuit for a rotor is mounted; a lead wiring part attached to one axial end of the stator and routing a sensor lead to the position detection circuit; and a housing connected to an end of the sensor lead. The substrate is attached to a first surface side of the lead wiring part, and the housing is disposed at a position that is opposed to a position at which the substrate is attached and that is on a second surface side of the lead wiring part, and the lead wiring part includes a housing contact portion provided between the position at which the substrate is attached and the position at which the housing is disposed. | 2017-01-26 |
20170025920 | FAN MOTOR SUPPORT - The present invention relates to a fan motor support for HVAC systems of motor vehicles, comprising a two-part housing ( | 2017-01-26 |
20170025921 | DRIVE MECHANISM FOR TRANSFERRING ROTATIONAL MOTION FROM AN ELECTRIC MOTOR TO AN APPLIANCE - An assembly for transmitting power to an appliance, is disclosed. The appliance is placed upon a counter top that defines an aperture. The assembly includes an electric motor, a rotatable shaft driven by the electric motor, and a drive mechanism removably coupled to the rotatable shaft. The electric motor and the rotatable shaft are located below a first side of the counter top and are hidden from view. The drive mechanism is removably coupled to the rotatable shaft. The drive mechanism includes a first portion removably coupled to the rotatable shaft and a second portion that defines a drive socket shaped to receive a male portion of the appliance. At least a portion of the drive mechanism extends through the aperture in the counter top and is located above a second side of the counter top. | 2017-01-26 |
20170025922 | FLYWHEEL ENERGY STORAGE DEVICE, WIND POWER GENERATION SYSTEM AND VEHICLE ENERGY FEEDBACK BRAKE SYSTEM - Provided is a flywheel energy storage device including a radial magnetic gear, the radial magnetic gear includes an inner rotor, an outer rotor and N | 2017-01-26 |
20170025923 | Magnetic Motor and Method of Use - Embodiments of the present invention may include a method of producing mechanical power by moving a coil coupled to a shaft partially into a magnetic cylinder having a magnetic end cap containing a plurality of stacked magnetic forces, changing the magnetic polarity of the shaft, moving the coil out of the magnetic cylinder. In other embodiments, there is an electric motor apparatus comprising a magnetic cylinder, a coil coupled to a shaft, and a means for reversing the magnetic polarity of the shaft. | 2017-01-26 |
20170025924 | Tower-Based Power Generation Method And Device Thereof - A tower-based power generation method and device, generally including two buckets that are movable up and down alternately to carry water to an upper location to allow water to rush down to impact and drive power generation units to generate electrical power thereby achieving circulative power generation. The two buckets are mounted to a tower frame and are driven by a drive unit to move. The tower frame has a bottom in which a water storage trough is formed. Rotary mechanisms are arranged above the water storage trough and the rotary mechanisms are coupled to power generation units. Two sides of the tower frame are each provided with a water storage tank. The water storage tank has a bottom from which a pipe extends to a location above the respective rotary mechanism. | 2017-01-26 |
20170025925 | POWER GENERATING SYSTEM HAVING MULTI-STAGE TRANSMISSION STRUCTURE - Disclosed is a power generating system, comprising a multi-stage transmission structure, a power generating device, a manual operation module. The multi-stage transmission structure includes a driving module and a transmission module. The driving module includes a first driving wheel and a first transmission wheel with a smaller diameter. The first driving wheel and the first transmission wheel have a plurality of guiding trenches at respective outer edges, and are linked with each other through a first transmission belt. The transmission module includes a second transmission wheel and a second driving wheel. The second transmission wheel has a greater diameter than the first transmission wheel and the second driving wheel and is coaxially disposed with the first transmission wheel. The manual operation module can enable a user to rotate the first driving wheel and thus carry the second driving wheel so that the power generating device generates power. | 2017-01-26 |
20170025926 | ROTOR AND MOTOR HAVING THE SAME - Provided is a rotor including a rotor core, a plurality of teeth disposed at an outer side of the rotor core, and an insulator configured to surround the teeth wherein the teeth are detachably coupled to the rotor core, the insulator includes a body configured to surround the teeth, and a blade configured to protrude from at least one of an upper surface and a lower surface of the body, and thereby the number of manufacturing components is reduced and manufacturing costs and the number of manufacturing processes are reduced. | 2017-01-26 |
20170025927 | STATOR PORTION FOR AN ELECTRIC MACHINE COMPRISING AN PERMANENT MAGNET ROTOR - A ferromagnetic core for a stator coil of a permanent magnet electric rotary machine, wherein the ferromagnetic core includes a compound including a polymer matrix composition and a functional filler, the functional filler including a material selected from ferromagnetic material, magnetic material, and a combination thereof. The ferromagnetic core includes at least one fluid channel extending through the core. A stator coil for an electric rotary machine, including a ferromagnetic core and at least one winding of a conductor wound around the core. A stator for an electric rotary machine, including a stator frame around a central axis, having an opening for receiving a fluid flow and stator coils. A permanent magnet electric rotary machine including a rotational shaft, a stator, a rotor connected to the rotational shaft, wherein the rotor is provided with permanent magnets, the permanent magnets facing the ferromagnetic cores of stator coils of the stator. The rotor includes ventilation means for in operation generating a fluid flow through the fluid channels of the ferromagnetic cores. | 2017-01-26 |
20170025928 | INDUCTION MOTOR - An induction motor may include a housing, a stator, a rotor, and/or cooling, fins on an outside surface of the housing. The rotor may include inner air ducts configured to allow passage of airflow therethrough The motor may include outer air ducts in fluid communication with the inner air ducts to form an air-circulation circuit. The outer air ducts may be arranged radially outside the cooling fins. | 2017-01-26 |
20170025929 | METHOD OF CONTROLLING ELECTRIC MOTORS, CORRESPONDING SYSTEM, ELECTRIC MOTOR AND COMPUTER PROGRAM PRODUCT - An electric motor is controlled by means of pulse-width modulated control signal having edge transitions occurring at certain transition count values of the pulses of a clock signal which is frequency-modulated with a step-wise frequency modulation (e.g., SSCG or Spread Spectrum Clock Generation). A frequency unmodulated clock signal is provided having a fixed period indicative of the period of the pulse-width modulated control signals. The transition count values are set as a function of a predicted count value and/or a predicted frequency value for the frequency-modulated clock signal. Prediction occurs as a function of the frequency unmodulated clock signal, so that the transition count values are compensated against the step-wise (e.g., SSCG) frequency modulation. | 2017-01-26 |
20170025930 | ROTOR ASSEMBLY INCLUDING A HOUSING FOR A SENSOR ARRAY COMPONENT AND METHODS FOR USING SAME - A rotor assembly includes a rotor plate to rotate around a first axis, a bucket attached to the rotor plate and to rotate around a second axis, and a stop plate to rotate around the first axis between an open position and a closed position. When in the closed position, the stop plate engages the bucket to fix an angular position of the bucket relative to a plane of rotation of the rotor assembly. The rotor assembly further includes a housing for a sensor array component, the housing disposed in the bucket and including a solution inlet, a solution outlet, a transfer basin, a solution retainer disposed between the solution outlet and the transfer basin, and a collection reservoir in fluid communication with the transfer basin. The solution inlet and the solution outlet to engage ports of a flow cell of a sensor array. | 2017-01-26 |
20170025931 | Motor, Rotation Period Detection Method Thereof, Motor Rotation Period Detection Sensor Assembly, And Power Generator - A motor which is capable of realizing further space saving and cost reduction. A cylindrical outer rotor | 2017-01-26 |
20170025932 | Device and Method for Bending Winding Segments to Form a Winding, Winding Carrier, Electric Machine - A device for bending a plurality of winding segments to form a winding of a winding carrier of an electric machine is provided. The device includes: a holding device designed for holding in place the winding carrier in which the winding segments are arranged; a main bending device, including a number of main locking elements, which point towards the holding device, are arranged along first sections of a circumferential line and are designed to lock exposed end sections of first winding segments; and a partial bending device, including a number of partial locking elements, which point towards the holding device, are arranged along second sections of the circumferential line and are designed to lock exposed end sections of second winding segments. The holding device on the one hand and the main bending device and the partial bending device on the other hand are rotatable relative to each other. | 2017-01-26 |
20170025933 | METHOD AND APPARATUS FOR MANUFACTURING INTERIOR PERMANENT MAGNET-TYPE INNER ROTOR - A manufacturing method for obtaining an interior permanent magnet-type inner rotor without thermal demagnetization due to shrink fitting to a rotating shaft includes: a shrink fitting step of heating a rotor core having slots and inserting a rotating shaft into a shaft hole to shrink-fit the rotor core; and a filling step of filling the rotor core slots in a residual heat state after the shrink fitting step with a flowable mixture of a binder resin heated to a flowable state and anisotropic magnet particles, in oriented magnetic fields This allows, in similar manufacturing steps, an inner rotor of which the magnetic poles are anisotropic bond magnets formed by solidifying the flowable mixture in the slots and a conventional inner rotor of which the magnetic poles are sintered magnets. This allows both the inner rotors concurrently and in parallel (mixed flow production) in an already existing IPM motor manufacturing line. | 2017-01-26 |
20170025934 | POWER TOOL WITH DIRECTION SENSING CONTROLLER - A power tool with a motor which is rotatable in a forward direction and a reverse direction. A tool holder is driven by the motor. The power tool has a user operable trigger for operating the motor, a reversing switch for choosing the direction of rotation of the motor and a controller. The controller determines a direction of rotation of the motor based on a characteristic of the motor. | 2017-01-26 |
20170025935 | ELECTROMAGNETIC FIELD GENERATOR AND METHOD TO GENERATE AN ELECTROMAGNETIC FIELD - The electromagnetic field generator includes a shell, an electrostatic generator, a power plant, a thermoelectric generator, and an electric motor. The shell has embedded polycrystalline ferroelectric ceramic material which is polarized such that the ceramic material exhibits strong Piezoelectric Effect properties thus inducing high frequency vibrations. The shell may be further doped with radioactive elements which under high frequency vibrations induce gamma ray emission. The electrostatic generator is for charging up the shell and is disposed within the shell. The power plant is to generate thermal power, and is disposed within the sphere. The thermoelectric generator is to convert the thermal power generated by the power plant to electrical energy. The electric motor powered by the electrical energy generated by the thermoelectric generator, and supplies input voltage such that the shell spins at high angular speeds, vibrates at high frequencies, and generates an electromagnetic field. | 2017-01-26 |
20170025936 | ELASTIC MEMBER AND VIBRATING MOTOR USING SAME - An elastic member is provided in the present disclosure. The elastic member includes a first elastic part for providing a first amplitude and a second elastic part connected to the first elastic part for providing a second amplitude. The first elastic part includes a first connecting part and a first connecting arm extending from the first connecting part; the second elastic part includes a second connecting arm and a second connecting part extending from the second connecting arm; the second connecting part is parallel to the first connecting part, the second connecting arm extends substantially towards the first connecting parts. A vibrating motor using the elastic member is also provided in the present disclosure. | 2017-01-26 |
20170025937 | VIBRATING MOTOR - A vibrating motor is provided in the present disclosure. The vibrating motor includes a shell, a magnetic assembly received in the shell, a pair of elastic members suspending the vibrating unit, and a coil assembly for driving the magnetic assembly to vibrate. The shell includes a main plate and a cover covering the main plate; the cover includes a bottom plate opposite to the main plate; the bottom plate includes a pair of first opening portions, and the main plate comprises a pair of second opening portions, the first opening portions and the second opening portions are arranged corresponding to each other for assembling the magnetic assembly; the magnetic assembly includes a pair of positioning grooves, the positioning grooves are aligned with the first opening portions and the second opening portions. | 2017-01-26 |
20170025938 | ELECTROMAGNETIC TOROIDAL MOTOR - The present invention is a machine in which the repulsion and attraction forces of moving electromagnets are utilized to power a series of linkages that ultimately turn a crank. The motor is controlled by an external computer system which distributes an electric current among the electromagnets. In order to reverse the polarities of the electromagnets, the direction of the current will be rapidly changing. This polarity reverse causes electromagnets to repel and attract. The magnets then oscillate along two swing arms that once swung because of both polarity attraction and repulsion, activate the linkages. | 2017-01-26 |
20170025939 | METHOD AND APPARATUS FOR POWER GENERATION - Embodiments of an electrical power generation device and methods of generating power are disclosed. One such method comprises creating magnetic flux forces generally transverse to a face of a magnet facing a center of a cylinder, moving a coil of wound conductive material partially through the center opening of the cylinder to produce the electric current and, routing resistive forces generated from the moving coil through an iron core, wherein the first coil is positioned concentrically about a first portion of the core, and further routing the resistive forces around the cylinder. | 2017-01-26 |
20170025940 | ELECTROMECHANICAL TRANSDUCER APPARATUS FOR CONVERTING BETWEEN MECHANICAL ENERGY AND ELECTRICAL ENERGY - An electromechanical transducer apparatus is disclosed and includes a housing. A static portion is substantially immobilized within the housing and includes a magnetic flux generator for generating magnetic flux, a pair of pole pieces for coupling magnetic flux through at least one of a first magnetic circuit and a second magnetic circuit, and a coil disposed to electromagnetically interact with one of the magnetic circuits. The static portion is thermally coupled to the housing via a low thermal resistance path to permit removal of heat. A movable portion includes first and second closing pieces separated from the pole pieces by first and second gaps. The closing pieces are mechanically coupled and supported for reciprocating motion about an equilibrium position which varies the gaps to cause a variation in magnetic reluctance in each of the first and second magnetic circuits. | 2017-01-26 |
20170025941 | PERMANENT MAGNET SPEED GOVERNOR WITH FIXED MAGNETIC GAP - A permanent magnet speed governor with fixed magnetic gap, including a barrel-shaped conductor rotor and a permanent magnet rotor therein, wherein the permanent magnet rotor includes a driven shaft and at least one rotatable permanent magnet circumferentially arranged around the driven shaft, the rotatable permanent magnet is cylindrical and has N and S poles in the diameter direction, magnetic conductors are wrapped at the two sides of the rotatable permanent magnet, the two magnetic conductors are separated by a non-magnetic conductor, the rotatable permanent magnet is connected to the driven shaft by the magnetic conductor at one side, and a magnetic circuit regulator is arranged at one end of the rotatable permanent magnet. Since a fixed magnetic gap structure is adopted, the engagement area of the speed governor is increased, and the assembling difficulty is reduced, thereby reducing waste of rare earth materials and increasing torque transmission capability. | 2017-01-26 |
20170025942 | Solid-State Phase SplittingTransformer - A solid state power transformer is described for converting an input power signal at a first phase or voltage to an output signal of a second voltage or opposite phase by the use of bidirectional solid state switches switched at a high carrier frequency to produce a double-sideband, suppressed-carrier representation of the input power signal, which is then synchronously demodulated using further similar switches to produce the desired output. It is further disclosed that multiple instances of the above with relative phase-staggering of the switching frequency may be operated in parallel and activated or deactivated according to output current demand to provide maximum efficiency over a wide range of current and power levels. | 2017-01-26 |
20170025943 | METHOD AND APPARATUS FOR USE WITH GRID CONNECTED INVERTERS IN DISTRIBUTED POWER GENERATION - Systems, methods, and devices relating to the controlling of a grid-connected inverter. A grid connected inverter is controlled by a proportional-resonant controller which tracks the grid current. To adjust for changes in grid conditions, an update block dynamically and continuously adjusts coefficients used by the controller to ensure high gains provided by the controller at the grid frequency. A harmonic compensator is also provided to ensure that high loop gains at harmonic frequencies of the grid frequency are also provided for. To also adjust for changing grid conditions, a second update block also continuously adjusts the coefficients used by the harmonic compensator. | 2017-01-26 |
20170025944 | METHOD FOR PERFORMING ADAPTIVE INPUT CURRENT CONTROL IN AN ELECTRONIC DEVICE WITH AID OF ADAPTOR MANAGEMENT, AND ASSOCIATED APPARATUS - A method and apparatus for performing adaptive input current control in an electronic device are provided, where the method may include the steps of: before limiting an input current of a regulator of the electronic device to a target current value, monitoring the input current of the regulator according to a reference current, and decreasing the reference current, to make the reference current change starting from one of a plurality of predetermined reference current values, wherein the input current is obtained from a power source; detecting an input voltage of the regulator to generate a detection signal, to selectively trigger limiting output power of the regulator; and at a time point when the reference current becomes smaller than the input current, limiting the input current of the regulator to the target current value with a latest reference current value of the reference current being utilized as the target current value. | 2017-01-26 |
20170025945 | INDUCTIVE-ENERGY-BASED AUTO-TUNING DC-TO-DC CONTROLLER - A method for controlling a pulse-modulated DC-to-DC converter includes: applying a control signal to a driver of an LC filter, the driver coupling power to inputs of the LC filter when the control signal is asserted and decoupling power when the control signal is de-asserted; monitoring an inductor current and an output voltage of the LC filter; calculating a goal current based at least in part on inductor energy needed to recharge an output capacitor in the LC filter; asserting the control signal when the goal current exceeds a threshold; and de-asserting the control signal when the inductor current reaches the goal current. An illustrative controller embodiment produces a trigger signal that sets a flip flop when the goal current exceeds the inductor current by more than a threshold amount; and resets the flip flop when the inductor current exceeds the goal current. | 2017-01-26 |
20170025946 | VOLTAGE GENERATORS AND SYSTEMS - In one example, a voltage generator includes a plurality of voltage pumps, a voltage detection circuit, an oscillator, and a control circuit. The plurality of voltage pumps are configured to perform voltage pumping operations in a sequence and output a pumping voltage. The voltage detection circuit is configured to detect a voltage level of the pumping voltage and output a detection signal. The control circuit is configured to output, in response to the detection signal, a plurality of divided oscillator signals based on an oscillator signal of the oscillator, to enable a different one of the voltage pumps to begin each sequence of voltage pumping operations each time the pumping voltage is less than a threshold voltage. | 2017-01-26 |
20170025947 | CIRCUITS AND METHODS FOR CONTROLLING A BOOST SWITCHING REGULATOR BASED ON INDUCTOR CURRENT - The present disclosure pertains to circuits and methods for controlling a boost switching regulator based on inductor current. An input voltage is coupled to a first terminal of an inductor and the second terminal of the inductor is alternately coupled between a reference voltage and a boosted output voltage. The input voltage is further coupled to a first terminal of an integrator circuit, and a second terminal of the integrator circuit may be alternately coupled between the reference voltage and the boosted output voltage, for example, to produce a voltage corresponding to a current in the inductor. The present circuit may be used for voltage control or current control modes, or both, in a boost switching regulator. | 2017-01-26 |
20170025948 | RESONANT VIRTUAL SUPPLY BOOSTER FOR SYNCHRONOUS DIGITAL CIRCUITS HAVING A PREDICTABLE EVALUATE TIME - A booster for a digital circuit block provides speed and reliability at lower static power supply voltages, reducing overall power consumption of the circuits. The booster includes a transistor that couples a dynamic power supply node to a static power supply and is disabled in response to a boost clock. An inductor and capacitance, which may be the block power supply shunt capacitance, coupled to the dynamic power supply resonates so that the voltage of the dynamic power supply increases in magnitude to a value greater the static power supply voltage. A boost transistor is included in some embodiments to couple an edge of the clock to the dynamic power supply, increasing the voltage rise. Another aspect of the booster includes multiple boost transistors controlled by different boost clock phases so that the resonant boost circuit is successively stimulated to increase the amount of voltage rise. | 2017-01-26 |
20170025949 | RESONANT VIRTUAL SUPPLY BOOSTER FOR SYNCHRONOUS DIGITAL CIRCUITS HAVING A PREDICTABLE EVALUATE TIME - A booster for a digital circuit block provides speed and reliability at lower static power supply voltages, reducing overall power consumption of the circuits. The booster includes a transistor that couples a dynamic power supply node to a static power supply and is disabled in response to a boost clock. An inductor and capacitance, which may be the block power supply shunt capacitance, coupled to the dynamic power supply resonates so that the voltage of the dynamic power supply increases in magnitude to a value greater the static power supply voltage. A boost transistor is included in some embodiments to couple an edge of the clock to the dynamic power supply, increasing the voltage rise. Another aspect of the booster includes multiple boost transistors controlled by different boost clock phases so that the resonant boost circuit is successively stimulated to increase the amount of voltage rise. | 2017-01-26 |
20170025950 | TIME-INTERLEAVED CURRENT FEEDBACK DROOP FUNCTION FOR MULTIPHASE BUCK CONVERTERS - Methods and apparatus for providing a time-interleaved current-feedback droop function for multiphase buck converters. An example method includes outputting a first control signal to enable a first set of switches corresponding to a first voltage of a first phase from a multiphase converter, the first phase included in a plurality of phases; enabling a first current associated with the first phase to be measured by a sample and hold circuit associated with the first phase; sampling the first current; holding the first current, the first current based on a load current for the first phase of the multiphase converter; and outputting a droop voltage based on a plurality of currents corresponding to the plurality of phases of the multiphase converter, the plurality of currents including the load current for the first phase. | 2017-01-26 |
20170025951 | Combined High Side and Low Side Current Sensing - A current sensing circuit is described. The current sensing circuit is for sensing a high side current through a high side switch and/or for sensing a low side current through a low side switch of a half bridge comprising the high side switch and the low side switch, which are arranged in series between a high side potential and a low side potential. The high side switch and the low side switch are in respective on-phases in a mutually exclusive manner. The high side sensing circuit comprises mirroring circuitry to mirror a current from a first node of the high side sensing circuit to an output node of the high side sensing circuit. The current sensing circuit comprises a low side sensing circuit to provide a sensed low side current which is indicative of the low side current during an on-phase of the low side switch. | 2017-01-26 |
20170025952 | CONSTANT ON-TIME PULSE WIDTH CONTROL-BASED SCHEME INCLUDING CAPABILITIES OF FAST TRANSIENT RESPONSE AND ADAPTIVELY ADJUSTING ON-TIME PULSE WIDTH - A constant on-time pulse width control-based apparatus capable of detecting a transient event of a voltage converter includes a specific comparator, a logic circuit, and a controller. The specific comparator generates a logic control signal to the logic circuit according to two resultant signals of the controller. The logic circuit generates a pulse control signal with an on-time pulse width to charge an output capacitor according to the logic control signal. The controller generates the two resultant signals to the specific comparator by generating a voltage ramp signal and amplifying an output voltage ripple signal based on a reference voltage, and detects the transient event to dynamically adjust the on-time pulse width of the pulse control signal according to the amplified output voltage ripple signal. | 2017-01-26 |
20170025953 | 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 second load; and a second PWM circuit to drive the second bridge, wherein the first PWM circuit is controlled by a first digital word separate from a second digital word, wherein the second PWM circuit is controlled by the second digital, and wherein the second digital word is derived from the first digital word. | 2017-01-26 |
20170025954 | Multi-Module DC-to-DC Power Transformation System - A transformation system capable of efficiently transforming electrical power from one dc voltage to a second dc voltage or of regulating power flow within a network of constant nominal voltage; in each case without intermediate magnetic transformation. The transformation system is based on periodic and resonant delivery of charge from the first of two dc nodes to a system of capacitors, electrical reconfiguration of those capacitors, then delivery of power to a second dc node. | 2017-01-26 |
20170025955 | SINGLE INDUCTOR MULTI-OUTPUT BUCK-BOOST CONVERTER AND CONTROL METHOD THEREOF - A converter can include: (i) a first switch having a first terminal for receiving an input voltage, and a second terminal coupled to a first terminal of a second switch; (ii) an inductor having a first terminal coupled to a common node of the first and second switches, and a second terminal coupled to a first terminal of a third switch, where second terminals of the second and third switches are coupled to ground; and (iii) a plurality of output channels coupled to a common node of the inductor and the third switch, where the converter operates in a buck-boost mode, a buck mode, or a boost mode based on the relationship between the input voltage and output voltages of the plurality of output channels. | 2017-01-26 |
20170025956 | POWER SUPPLY APPARATUS - A power supply apparatus includes a primary-side circuit and a secondary-side circuit magnetically coupled by a transformer. The secondary-side circuit includes: a first circuit that is connected to a secondary winding of the transformer, performs current doubler rectification, and outputs a first output voltage; a second circuit that is connected to the secondary winding of the transformer, performs a step-down chopping operation, and outputs a second output voltage; semiconductor switching elements that control the step-down chopping operation; and diodes that are shared by the first circuit and the second circuit when rectifying a direct current voltage supplied from the primary-side circuit. The first circuit includes first inductors connected in parallel. A control unit controls switching of the primary-side circuit to establish electrical continuity between the secondary winding of the transformer and the first inductors in order. | 2017-01-26 |
20170025957 | VOLTAGE SENSE CONTROL CIRCUIT, VOLTAGE SENSE CONTROL METHOD AND ISOLATED CONVERTER THEREOF - A voltage sense control circuit configured for an isolated converter can include: a current sampling and holding circuit configured to sample a current through a power switch to obtain a voltage sense signal that represents current information of the power switch, where the voltage sense signal is in proportion to a forward voltage drop of a rectifier device; a compensation signal generating circuit configured to generate a first current signal according to the voltage sense signal, and to generate a compensation signal according to the first current signal to compensate an output voltage feedback signal of the isolated converter to obtain a voltage feedback signal; and a voltage sampling and holding circuit configured to sample and hold the voltage feedback signal to regulate an output voltage of the isolated converter to be stable. | 2017-01-26 |
20170025958 | OVER CURRENT PROTECTION IN A VARIABLE OUTPUT POWER SUPPLY - In accordance with embodiments of the present disclosure, a switch mode power supply may include a transformer, a controller configured to generate a periodic switching signal, a switching transistor coupled between a sense node and the transformer, primarily configured to prevent or permit current flow in the transformer primary winding in accordance with the switching signal, a sense resistor coupled to the switching transistor at a sense node, and a limit circuit configured to obtain a voltage of the sense node at a particular point of the switching period as an indicator of the primary winding current, detect a duration of a demagnetizing interval, and generate a limit signal, based on the sense node voltage and the demagnetizing interval, indicating a power supply output current exceeding a limit threshold. | 2017-01-26 |
20170025959 | METHOD AND APPARATUS FOR DIGITAL CONTROL OF A SWITCHING REGULATOR - A circuit for regulating an output level of a power converter includes an adjustment circuit to be coupled to a receive a feedback signal representative of an output level of the power converter. The adjustment circuit is coupled to generate a comparison result signal. A control circuit is coupled to receive the comparison result signal and an oscillating signal. A switch including a first terminal, a second terminal and a control terminal is coupled to the control circuit. The control circuit is coupled to generate a control signal to control switching of the switch. The switch is operable to couple or decouple the first terminal and the second terminal in response to the control signal received at the control terminal. The control signal is responsive to the oscillating signal and to a change in the comparison result signal. | 2017-01-26 |
20170025960 | ELECTROMAGNETIC INDUCTION DEVICE, AND POWER SUPPLY APPARATUS AND DISPLAY APPARATUS HAVING THE SAME - An electromagnetic induction device, and a power supply apparatus and a display apparatus having the same are disclosed, the electromagnetic induction device comprising: a substrate layer comprising at least one substrate configured to be laid one upon another and a thin-film coil pattern, which is formed on at least one of both surfaces of the substrate and through which an electric current of a signal flows, the at least one substrate having an opening provided at an inner area of the thin-film coil pattern; a core configured to have a shape corresponding to a circulation path of magnetic flux generated by change in an electric current flowing in the thin-film coil pattern, and arranged to penetrate the inner area of the thin-film coil pattern through the opening of the substrate layer; and a heat dissipation layer disposed on one surface of the substrate, the heat dissipation layer configured to dissipate heat from at least one of the substrate layer and the core. | 2017-01-26 |
20170025961 | Hysteretic Control for Transformer Based Power Converters - Hysteretic control for power converters. In an example arrangement, an apparatus includes a converter for converting an input voltage to an output voltage including a transformer; at least one primary side driver switch coupled to supply current from an input voltage terminal to the primary side of the transformer; at least one inductor coupled between the secondary side of the transformer and the output voltage terminal; at least one secondary side switch coupled between the inductor and a ground potential; and a hysteretic controller coupled to supply a first on-time signal to the at least one primary side switch and a second on-time signal to the at least one secondary side switch, the hysteretic controller configured for sensing the output voltage and having at least one current input coupled for sensing current flowing in the inductor and generating primary side driver switch on-time pulses to control the output voltage. | 2017-01-26 |
20170025962 | SINGLE STAGE ISOLATED AC/DC POWER FACTOR CORRECTED CONVERTER - Two versions of an isolated single stage converter AC/DC Power Factor Corrected (PFC) converter topology have been invented. One is with a full bridge rectifier at its input and the other is a True Bridgeless version. The two versions of the topology feature new configurations and circuitry including a simplified damper circuit and a clamp capacitor flipping circuit and control methods that allow them to realize improved single stage isolated power factor converters which are suitable for high power operation, features Zero Voltage Switching to maximize conversion efficiency and to minimize Electro-Magnetic Interference generation, does not need an additional circuit to limit the inrush current, achieves reasonably low input current Total Harmonic Distortion (THD), and is easy to control. The second version provides a true bridgeless single stage isolated power factor converter with even higher efficiency and lower input current THD. | 2017-01-26 |
20170025963 | POWER SUPPLY DEVICE - A power supply device has resonance-type DC-DC converters of three phases connected in parallel, said converters respectively having operation phases shifted from each other by 120°. The converters include switching circuits, series resonant circuits, and rectifying smoothing circuits, respectively. The series resonant circuits include first transformers, second transformers and resonance capacitors, respectively. Each of primary winding wires of the first transformers, each of primary winding wires of the second transformers, and respective resonance capacitors are connected in series. Each of secondary winding wires of the second transformers is connected to each of the rectifying smoothing circuits. The first transformers are provided with different cores, respectively, the primary winding wires and the secondary winding wires are insulated from each other by means of dividing bobbins, and the secondary winding wires of respective phases are connected in parallel. | 2017-01-26 |
20170025964 | CONVERTER ASSEMBLY AND METHOD - A converter assembly and method are provided. The converter assembly includes a galvanic isolation device, first switching devices, and second switching devices. The switching devices are conductively coupled with each other and with opposite sides of the isolation device. The first switching devices control conduction of an input voltage, and the second switching devices control conduction of electric power. The first switching devices are configured to switch between an open state and a closed state at frequencies that are faster than frequencies at which the second switching devices switch between the open state and the closed state to control a shape of a waveform of the electric power. | 2017-01-26 |
20170025965 | CIRCUITS AND METHODS FOR SYNCHRONOUS RECTIFICATION IN RESONANT CONVERTERS - A resonant converter includes a primary stage having first and second switches coupled in series, a controller coupled to the first switch and the second switch to control operation thereof, a first transformer comprising a primary coil coupled to a node between the first and second switches, and a resonant inductor coupled to the primary coil of the first transformer. The resonant converter also includes a secondary stage having a second transformer formed of a primary coil coupled to the resonant inductor and a secondary coil comprising first and second coil sections, a third switch coupled to the first coil section of the secondary coil, and a fourth switch coupled to the second coil section of the secondary coil. A switch drive circuit is provided to drive the third and fourth switches for synchronous rectification, with the switch drive circuit comprising a secondary coil of the first transformer. | 2017-01-26 |
20170025966 | POWER CONVERTER AND CONTROL METHOD THEREFOR - A power converter and a control method therefor are provided. The power converter includes a transformer, synchronous rectifier and a control circuit. A primary side of the transformer receives an input voltage, and a secondary side of the transformer generates a sensing signal. The synchronous rectifier is coupled to the secondary side of the transformer. The control circuit receives the sensing signal and detects a changing slope of the sensing signal, and accordingly generates a control signal to control the synchronous rectifier to be turned on or turned off, so as to regulate an output voltage of the power converter. | 2017-01-26 |
20170025967 | CIRCUIT FOR DIRECT ENERGY EXTRACTION FROM A CHARGED-PARTICLE BEAM - Provided herein is a fusion energy extraction circuit (FEEC) device having a grid-tied bidirectional converter and a resonant converter. The resonant converter can include an inverse cyclotron converter with two or more or quadruple plates and a plurality of circuit switches. The bidirectional converter can include a three-phase grid-tied converter. The FEEC device is capable of decelerating plasma particle beams, thereby extracting the energy from the deceleration, converting the extracted energy to electric energy, and sending the electric energy to a power grid. | 2017-01-26 |
20170025968 | POWER SUPPLY APPARATUS WITH ACTIVE CLAMPING CIRCUIT - A power supply apparatus includes a power supply circuit and an active clamping circuit. The power supply circuit includes a secondary side rectifying unit and a voltage output side. The active clamping circuit includes a clamping energy-storing unit, a feedback control unit and a synchronous buck converter. The clamping energy-storing unit clamps and stores a voltage spike to obtain an energy-storing voltage. The feedback control unit detects the energy-storing voltage and informs the synchronous buck converter of the energy-storing voltage. The synchronous buck converter receives the energy-storing voltage and adjusts the energy-storing voltage to obtain an adjusted voltage when the energy-storing voltage is greater than a predetermined voltage. The synchronous buck converter sends the adjusted voltage to the voltage output side. | 2017-01-26 |