26th week of 2016 patent applcation highlights part 75 |
Patent application number | Title | Published |
20160190858 | Inductive Charging Holster for Power Tools in Mobile Applications - A wireless charging system for charging a tool includes a tool holder and charging module. The tool holder includes a mounting interface, a holding portion extending from the mounting interface, and at least one surface t configured to mount the tool holder onto a support surface, such as of a mobile structure. The charging module is mounted in the mounting interface, and includes an inductive charging device that wirelessly charges a tool resting on the charging module. The holding portion is configured to at least partially engage the tool and act as a transverse support relative to the mounting interface. The at least one surface can include a base of the tool holder for horizontal mounting, a side of the tool holder for vertical mounting, or two opposite sides of the tool holder for mounting on a mounting rail. | 2016-06-30 |
20160190859 | POLICE AND SECURITY CAMERA SYSTEM UTILIZING WIRELESS ENERGY TRANSFER - Base units, sensors, cameras, and systems and methods for wireless energy transfer are described. In an example system, a firearm holster includes a wireless energy transfer base unit configured to cause a transmitter to selectively transmit power to the firearm or a component thereof (e.g., a camera connected to the firearm) when the firearm is placed in the firearm holster. | 2016-06-30 |
20160190860 | CHARGING APPARATUS AND METHODOLOGY - Disclosed herein is an integrated system charging apparatus comprising a power source, an induction energy transmitting unit, and an electrical conductor; wherein, the power source, the induction energy transmitting unit, and the electrical conductor are electrically connected with each other; and wherein at least one of the electrical conductor, and the induction energy transmitting unit, further comprises an advanced composite material. | 2016-06-30 |
20160190861 | APPARATUS AND METHOD FOR CHARGING ELECTRONIC DEVICE HAVING BATTERY - According to an embodiment of the present disclosure, a method for operating an electronic device may include receiving information related to a second battery from an external electronic device having the second battery by an electronic device having a first battery and a charger for charging the first battery; and identify at least one operation of: 1) receiving an electric power from the external electronic device to the electronic device, 2) supplying an electric power from the electronic device to the external electronic device, or 3) not transferring an electric power between the electronic device and the external electronic device, by the electronic device based at least one of the information related to the second battery or information related to the first battery. Further, various embodiments can be implemented. | 2016-06-30 |
20160190862 | Wireless Charging Method and System, Wireless Charging Device and Wearable Device - A wireless charging method and system, a wireless charging device, and a wearable device. The method includes receiving, by a charging device, electric power usage data sent by at least one wearable device, determining, by the charging device, an electric power distribution solution according to the electric power usage data, where the electric power distribution solution is used to determine a charging order and charging electric power for charging the wearable device by the charging device, and performing, by the charging device, wireless charging on the wearable device according to the electric power distribution solution where the wireless charging method disclosure may coordinate a relationship between an actual electric power requirement of a user and charging capability distribution, thereby implementing overall arrangement of electric power among multiple wearable devices and dynamic distribution of charging capabilities. | 2016-06-30 |
20160190863 | ELECTRONIC DEVICE, COMMUNICATION SYSTEM, AND METHOD OF CONTROLLING ELECTRONIC DEVICE - There are provided an electronic device, a communication system, and a method of controlling an electronic device which are capable of reducing the number of times manipulation associated with communication using a solar cell. The electronic device includes a solar cell, a secondary battery that is charged by the solar cell, and a control circuit that switches between a charging period during which the charging of the secondary battery from the solar cell is performed and a communication period during which an optical signal is received by the solar cell. | 2016-06-30 |
20160190864 | UNINTERRUPTIBLE POWER SUPPLY SYSTEM FOR PREVENTING CHARGING OF BATTERIES AND METHOD FOR CONTROLLING UNINTERRUPTIBLE POWER SUPPLY SYSTEM - An uninterruptible power supply (UPS) system for preventing charging of batteries is provided. The system includes a UPS configured to supply power from a grid to a load, a battery unit configured to be charged with the power supplied from the UPS, and a controller configured to selectively supply the power from the grid to the UPS and selectively connect or disconnect a charging path between the UPS and the battery unit. | 2016-06-30 |
20160190865 | SWITCHABLE UNINTERRUPTIBLE POWER SUPPLY SYSTEM AND BATTERY CHARGING METHOD THEREOF - A switchable uninterruptible power supply (SUPS) system is provided. The system includes a UPS configured to supply power to a load, a plurality of battery units connected in parallel, and a controller configured to selectively supply power from a grid to the UPS and to selectively connect each of the plurality of battery units the UPS or a battery charger are connected to the grid. | 2016-06-30 |
20160190866 | POWER CONTROL DEVICE - A power control device for controlling electrical power transferred between an AC power grid and a load or between the AC power grid and an auxiliary power source. For example, the power control device may be configured to monitor an electrical characteristic of electrical energy supplied by the AC power grid to the load and to adjust a consumption of the electrical energy by the load when the electrical characteristic indicates that the AC power grid is no longer in a state of balance. As another example, the power control device may be configured to control an electrical energy injection process during which an injection of electrical energy from the auxiliary power source into the AC power grid is increased in relation to a detected rate of deviation of the AC power grid frequency. As yet another example, the power control device may be configured to adjust an injection of electrical energy into the AC power grid according to a magnitude of kinetic energy bleed from the AC power grid that is derived during an occurrence of a power generation deficit within the AC power grid. | 2016-06-30 |
20160190867 | SCALABLE HYBRID BACKUP ENERGY STORAGE SYSTEM WITH INTEGRATED CONTROL FOR EXTENDED OPERATIONAL LIFE - A low-cost hybrid backup energy system that consists of (1) a battery bank that includes one or more power converters, (2) DC-link capacitors, (3) a compressed air energy storage system, that is composed of an air compressor(s), one or more gas storage tanks, one or more efficient pneumatic motors, pressure regulators, one or more electrical generators, and one or more power converters, and (4) one integrated master controller. This hybrid system is used to provide uninterrupted, immediate, and sustained DC energy supply when outages occur to feed power converters (AC) such as a UPS or similar for long or intermediate durations of time to allow uninterrupted operations in data centers, hospitals, telecommunication stations, and other critical loads. In other embodiments, this system facilitates a reliable transition to longer duration type of energy generators such as diesel, gas, fuel cells, or others. The strategy used in this system reduces the amount of batteries required and at the same time minimizes deeper battery discharges prolonging battery life in comparison to standard backup systems. As a result the whole system provides longer operational life spans. | 2016-06-30 |
20160190868 | INDIVIDUAL ANTENNA ELEMENT - An individual antenna element is described. In one embodiment, the individual antenna element is a patch antenna which has an electrically small radiating element with a U-shaped slot on an antenna substrate, with a gain greater than 2 dBi with +/−45 degree coverage. | 2016-06-30 |
20160190869 | RECONFIGURABLE RECONSTRUCTIVE ANTENNA ARRAY - A reconfigurable array antenna and system for including the same are described. In one embodiment, the antenna apparatus comprises a feeding network and an array coupled to the feeding network, wherein the array has a plurality of locations, with each location capable of having an antenna element attached thereto, and wherein the feeding network is operable to combine energy received by antenna elements in the array, and the energy is combined by the feeding network in RF. | 2016-06-30 |
20160190870 | POWER TRANSMITTING APPARATUS, POWER RECEIVING APPARATUS, CONTROL METHODS THEREFOR, PROGRAM, AND COMPUTER-READABLE STORAGE MEDIUM - A power transmitting apparatus transmits power by a first wireless power transmission method, transmits power by a second wireless power transmission method, detects a wireless power transmission method supported by a power receiving apparatus, and determines whether power is transmitted to a first power receiving apparatus by the first power transmission method or the second power transmission method, based on a detected wireless power transmission method supported by the first power receiving apparatus and a detected wireless power transmission method supported by a second power receiving apparatus. | 2016-06-30 |
20160190871 | POWER RECEIVING APPARATUS, METHOD OF CONTROLLING POWER RECEIVING APPARATUS, AND PROGRAM - The present invention relates to a wireless power transmission system in which power transmission efficiency and safety go hand in hand. A power receiving apparatus includes a requesting unit configured to request power from a power transmitting apparatus; a detection unit configured to detect that the power transmitting apparatus has started transmission of the power requested by the requesting unit, an antenna configured to receive power wirelessly transmitted from the power transmitting apparatus, a load unit configured to operate using the power received through the antenna, and a switching unit configured to switch, in accordance with detection performed by the detection unit, a disconnected state in which the antenna and the load unit are disconnected from each other to a connected state in which the antenna and the load unit are connected to each other. | 2016-06-30 |
20160190872 | WIRELESS POWER TRANSFER - A method of generating a DC power from incident RF waves, includes, in part, measuring the amount of power being received by a device generating the DC power, and controlling the phases of the RF waves being transmitted by a multitude of RF transmitters in accordance with the measured power. A programmable test load is optionally used at the device to measure the received power. The device optionally includes, an antenna, an RF-to-DC converter to generate the DC power, an impedance matching/transformation circuit, and an RF load/matching circuit. | 2016-06-30 |
20160190873 | INDUCTIVE POWER SUPPLY WITH DEVICE IDENTIFICATION - An inductive power supply system to identify remote devices using unique identification frequencies. The system includes an AIPS and a tank circuit capable of inductively providing power to a remote device at different frequencies, and a sensor for sensing the reflected impedance of the remote device at tank circuit. The system further includes a plurality of different remote devices, each having a unique resonance frequency. In operation, the AIPS is capable of identifying the type of remote device present in the inductive field by applying power to a remote device at a plurality of unique identification frequencies until the remote device establishes resonance in response to one of the identification frequencies. The AIPS includes a controller that recognizes when resonance has been established by evaluating sensor data, which is representative of the reflected impedance of the remote device. Once the identity of a remote device is determined, the AIPS may pull operating parameters for the remove device from memory to ensure efficient operation and to assist in recognizing fault conditions. | 2016-06-30 |
20160190874 | SINGLE STATOR AND MOTOR COMPRISING SAME - A single stator includes: a stator core; a bobbin wrapped on an outer circumferential surface of the stator core; and a coil wound on an outer circumferential surface of the bobbin. The stator core comprises: a plurality of integration type core portions that are integrally formed by metal powders, and on which a coil is wound; and a lamination type core portion that is formed in an annular shape by laminating a plurality of iron pieces, and that has at least one press-fit groove is formed in which each of the plurality of integration type core portions is press-fitted into and combined with the at least one press-fit groove. | 2016-06-30 |
20160190875 | SPINDLE MOTOR AND DISK DRIVE APPARATUS - A stationary portion of a spindle motor includes a stator portion and an outside surface. The stator portion includes a stator core and coils. The outside surface extends in an axial direction parallel or substantially parallel to a central axis, and is centered on the central axis. The spindle motor includes a fixing portion at which an inside surface of the stator core and the outside surface are fixed to each other. The fixing portion includes a first press fit portion, a second press fit portion, and a gap arranged therein. The gap is located between the first press fit portion and the second press fit portion. The second press fit portion is located above the first press fit portion. At least a portion of the second press fit portion is located above a middle of the stator core in the axial direction. | 2016-06-30 |
20160190876 | SUPPORTER FOR STATOR - A supporter for a stator is put on an axial end surface of a stator core of a motor. The supporter includes an outer annular portion, an inner annular portion, supporter teeth, a projection. The supporter teeth are placed between the outer annular portion and the inner annular portions. The supporter teeth are extending radially around a rotation axis of the motor, and configured to connect the outer annular portion to the inner annular portions. The projection is provided on a radially outer peripheral surface of the outer annular portion so as to project radially outwardly. The projection is an axial thickness smaller than an axial thickness of the outer annular portion. | 2016-06-30 |
20160190877 | ELECTRIC MOTOR - An electric motor includes a rotor and a wound stator structure. The stator structure includes a housing, a laminated stator core and windings wound around the stator core. The laminations of the stator core have an annular body and a plurality of teeth extending radially inwardly from the annular body. Projections and recesses are formed at the outer edge of the annular body. When assembled, the recesses of one lamination are aligned with the projections of an adjacent lamination such that when fitting the stator into the housing the projections may be deformed into an axially adjacent recess by contact with the housing. Thus the stator core contacts the housing at discrete locations. | 2016-06-30 |
20160190878 | ELECTRICAL MACHINE AND METHOD OF MANUFACTURE - An electrical rotor machine and a method of manufacturing the same are disclosed. According to at least one aspect of the present disclosure, the method includes forming a stator core from two or more subcores and inserting the separate subcores into a housing before windings are wound through and around the subcores to form a stator. In such embodiments, the housing includes a locating feature structured to position and support the subcores such that a flow channel is formed between the subcores. The locating feature enables both radial and axial cooling of the stator core while reducing pressure losses within the cooling flow path. | 2016-06-30 |
20160190879 | INTERIOR-PERMANENT-MAGNET MOTOR STRUCTURE - An interior-permanent-magnet motor structure includes an air gap having the form of an annular band. The air gap is positioned between the stator and the rotor. The width of the annular band of the air gap has a maximum value and a minimum value within each pole pitch range. Accordingly, the air gap magnetic flux is nearly in sine wave state. | 2016-06-30 |
20160190880 | MOTOR WITH PERMANENT MAGNET EMBEDDED THEREIN, AND COMPRESSOR - An interior permanent magnet motor includes: a rotator; a stator; a permanent magnet inserted into a magnet accommodating hole; and a slit formed on a radially outer side of the magnet accommodating hole. A space portion is ensured between a radially outer surface of the permanent magnet and a rotator core in each region opposed to the slit. The permanent magnet is apart from the rotator core via the space portion in the each region opposed to the slit. | 2016-06-30 |
20160190881 | MOTOR - A motor includes a stationary unit and a rotary unit arranged to rotate with respect to the stationary unit about a center axis extending in an up-down direction. The rotary unit includes a substantially cylindrical rotor holder, a plurality of magnets disposed radially inward of the rotor holder and arranged along a circumferential direction, and a non-magnetic magnet holder fixed to an inner circumferential surface of the rotor holder and arranged to hold the magnets. The magnet holder includes a plurality of pillars extending in the up-down direction and arranged to position the magnets in the circumferential direction, and a first ring and a second ring arranged to interconnect the pillars at positions spaced apart in the up-down direction. The first ring is positioned radially outward of the second ring, and the second ring is positioned radially inward of outer circumferential surfaces of the pillars. | 2016-06-30 |
20160190882 | ROTOR FOR ELECTRIC MOTOR, ELECTRIC SUPERCHARGER, AND ELECTRIC-MOTOR ASSISTED SUPERCHARGER - Embodiments of the present invention relate to a rotor for an electric motor, and an object of some embodiments is to maintain a rotor sub-assembly at an appropriate position without using a spacer and without applying excessive compressive stress to a magnet. A magnet and an end-plate are press-fitted into a ring-shaped member to form a rotor sub-assembly. A shaft is passed through the rotor sub-assembly. A nut is fastened onto the shaft, and fixes the axial position of the rotor sub-assembly with respect to the shaft. The shaft includes a step at which the shape of the shaft changes between a small-diameter portion and a large-diameter portion. An end face of the large-diameter portion that is exposed to outside of the small-diameter portion is adopted as a reference face. The end-plate is mounted to the ring-shaped member so as to oppose an axial end portion of the magnet. The end-plate includes a positioning portion that allows insertion of the small-diameter portion, contacts the reference face at an opposing face, and receives a fastening force produced by a nut at a pressure receiving face. | 2016-06-30 |
20160190883 | FIXATION SYSTEM FOR A PERMANENT MAGNET ROTOR - A fixation system that is structured to secure one or more permanent magnets to a rotor core. The fixation system may include one or more retention wedges that exert an interference or press fit against the permanent magnets to secure the permanent magnets to the rotor core. At least a portion of the retention wedges may be secured within axially extending channels in the rotor core. Additionally, the permanent magnets may be separated from each other by eddy current shields, which may also be retained in position by the retention wedges. The fixation system may also include a magnet pressure or fixation sleeve that exerts a radially inwardly directed force against the magnets and is free from direct contact with the retention wedges. According to certain embodiments, the magnet pressure or fixation sleeve may be shrink fitted onto at least a portion of the rotor core and/or the permanent magnets. | 2016-06-30 |
20160190884 | STATOR FOR ROTARY ELECTRIC MACHINE - Small coil groups are each configured by connecting a plurality of winding bodies in series by passing crossover portions that are formed by bending first conductor terminals radially outward axially outside a coil end and joining the crossover portions to second conductor terminals that are subject to joining, the first conductor terminals that constitute first ends of the small coil group are disposed so as to be spaced apart from each other circumferentially around a radially inner side of a circular arc-shaped region that extends circumferentially around the coil end, the second conductor terminals that constitute second ends of the small coil group are arranged so as to be spaced apart from each other circumferentially around a radially outer side of the circular arc-shaped region of the coil end, and a stator winding is produced by connecting the small coil groups within the circular arc-shaped region. | 2016-06-30 |
20160190885 | SPINDLE MOTOR AND DISK DRIVE APPARATUS - A spindle motor includes a stationary portion and a rotating portion arranged to rotate about a central axis extending in a vertical direction with respect to the stationary portion. The stationary portion includes a stator portion including a stator core including an annular core back and a plurality of tooth portions arranged to extend radially outward from the core back, and coils wound around the plurality of tooth portions; an outside surface press fitted to an inside surface of the core back; and a fixing member arranged at least on an upper surface of the core back. Conducting wires defining the coils include passage lines each of which is arranged to join different ones of the coils to each other; and lead wires each of which is drawn out from one of the coils, and is drawn out from an upper side of upper surfaces of the tooth portions to a lower side of lower surfaces of the tooth portions. Each of the passage lines and the lead wires is arranged radially outward of the inside surface of the core back. The fixing member is arranged to fix at least a portion of each passage line and at least a portion of each lead wire to the stator core. | 2016-06-30 |
20160190886 | ROTATING ELECTRIC MACHINE - A coil group | 2016-06-30 |
20160190887 | MOTOR AND METHOD OF MANUFACTURING THE SAME - A motor, may include a rotor having a shaft which has its center on a center axis extending in one direction; a stator which surrounds the rotor in the axial circumference, and includes a plurality of coils; and bus bars connecting coil ends extending from the coils. The bus bars may include a plate shape member bent in a thickness direction, a width direction of the bus bars being identical to an axial direction of the motor. Each of the bus bars may include a main body portion, and a coil end connection portion which extends from the main body portion and grips one of the coil ends at an opening that is open toward one direction within a plane perpendicular to the axial direction. | 2016-06-30 |
20160190888 | Stator Assembly, Motor Having the Same and Method of Manufacturing the Same - A stator assembly, a motor having the same, and a method of manufacturing a stator assembly are provided. The stator assembly includes a stator core, coils wound around the stator core, and a stator body including a first power terminal, a neutral terminal configured to connect the coils and connected to the first power terminal, and a bearing, wherein each of a connection terminal of the first power terminal and a hole of the bearing is exposed externally, thereby providing an advantage for simplifying an assembly process by reduction of the number of components and simplification of a structure. Further, a useless space is removed by the above process, thereby providing an advantage for reducing the size of a product and reducing the weight thereof. | 2016-06-30 |
20160190889 | Brushed Direct Current Motor - A brushed DC motor has a stator and a rotor. The stator has 2P magnetic poles, where P is an integer greater than 1. The rotor has a shaft, a rotor core, a commutator and a winding. The rotor core has m×P teeth, where m is an integer greater than 2. The winding includes several coil windings wound on the teeth and electrically connected to segments of the commutator. The commutator has 2m×P segments, where the 2m×P segments are divided into 2m groups, each group has P segments, the P segments are connected by an equalizer. The equalizer for at least one group of the 2m groups of segments and all the coil windings are formed by a single winding wire, wound continuously. | 2016-06-30 |
20160190890 | Brushed Direct Current Motor - A brushed DC motor has a stator and a rotor. The stator has 2P magnetic poles, where P is an integer greater than 1; the rotor includes a shaft, a rotor core, a commutator and a winding. The rotor core has m×P teeth; the commutator has n×P segments, where n is an integral multiple of m, and the winding includes several coil windings wound on the teeth and electrically connected to a respective segment. The segments are divided into n groups, each group having P segments electrically interconnected by an equalizer. An equalizer for at least one group of the n groups of segments and all the coil windings are formed by a single winding wire, continuously wound. | 2016-06-30 |
20160190891 | ROTARY ELECTRIC MACHINE STATOR AND MANUFACTURING METHOD OF SAME - A rotary electric machine stator includes: a stator core including slots; a stator coil wound around the stator core by joining end portions of a plurality of segment conductors placed to be inserted into each of the slots; and an insulating layer provided around the end portions including a joining portion at the end portions of the plurality of segment conductors. The segment conductor is constituted by an electric conductor and an insulation coating that covers the electric conductor. A conductor exposed portion in which the insulation coating is removed is formed in each of those end portions of the segment conductors which are joined to each other. The insulating layer is formed to be attached onto an insulating member that covers a stepped portion formed in a boundary between the insulation coating and the conductor exposed portion. | 2016-06-30 |
20160190892 | MOTOR CASE WITH INTEGRATED WIRE SEALING STRUCTURE - Electric motors are disclosed. The motors are preferably for use in an automated vehicle, although any one or more of a variety of motor uses are suitable. The motors include lift, turntable, and locomotion motors. | 2016-06-30 |
20160190893 | MOTOR BEARING FOR ELECTRIC SUBMERSIBLE MOTORS - A motor bearing for an electric submersible motor is described. An electric submersible motor includes a rotatable motor shaft extending longitudinally through a submersible motor, a bearing sleeve secured to the rotatable motor shaft in between two adjacent rotor sections, a motor bearing radially outward from the bearing sleeve and pressed against a stator bore, wherein the motor bearing comprises a series of magnets dispersed around an outer diameter of the motor bearing, and an insulation layer covering a surface of each magnet of the series of magnets, wherein the insulation layer faces the stator bore. A motor bearing includes a series of recessions dispersed around an outer axial surface of a motor bearing, a magnet inset in each recession of the series of recessions, and an insulation layer coating a surface of each of the magnets. | 2016-06-30 |
20160190894 | ELECTRIC COMPRESSOR - To provide an electric compressor in which a decrease in sealing performance between a housing and an inverter cover is reduced with electrical connection between the housing and the inverter cover being obtained with stability. In an inverter-integrated electric compressor, a peripheral portion of a metal inverter cover | 2016-06-30 |
20160190895 | Motor - A motor includes a motor housing, a motor body, and a damping member. The motor body includes a drive shaft. The motor body is housed in the motor housing. The damping member is disposed on an outer surface of the motor housing. The damping member includes a damping layer and a constraining layer. The damping layer is made of an organic polymeric material, and bonded to the outer surface of the motor housing. The constraining layer is made of at least one of a resin mixed with an inorganic compound and an elastomer mixed with an inorganic compound. The constraining layer is disposed on the damping layer. | 2016-06-30 |
20160190896 | METHOD FOR GENERATING ELECTRICAL ENERGY AND ENERGY GENERATION PLANT - A method for producing electrical energy in a combined energy generation plant which comprises an air treatment unit and a power station unit is proposed. In a first operating mode, air is liquefied to form an air liquefaction product (LAIR) and, in a second operating mode, an air liquefaction product is converted into a gaseous or supercritical state, in which said product is introduced into the power station unit and is used for producing electrical energy. In a third operating mode, air is condensed in the air treatment unit and used in the power station unit directly for producing electrical energy. It is envisaged that, in the first operating mode, the air is cooled to severa temperature levels by two liquid coolants and the air liquefaction product is correspondingy heated. In addition, in the first operating mode, the air is condensed stepwise over several pressure levels. | 2016-06-30 |
20160190897 | Wheel-Driven Electric Generator - An electric generator includes a wheel coupled to an axle of a vehicle which includes battery. A rotator is fixedly mounted to the wheel and includes a series of magnets positioned so that the north pole of one magnet abuts the south pole of an adjacent magnet. A stator is rotatably mounted to the axle, and includes a mass positioned off-center from the axle for biasing the stator toward a position that is generally stationary relative to the vehicle. The stator further includes a plurality of electric coils for generating electric current when the rotator is moved relative to the stator and the magnetic field of each magnet passes through the plurality of electric coils, the coils being electrically coupled to each other and to the battery of the vehicle to transmit electric current generated from the plurality of coils to the battery. | 2016-06-30 |
20160190898 | Motor Unit - A motor unit is provided which shortens an information transmission path between a detector and an arithmetic board. The motor unit includes a motor and a motor controller controlling a rotating operation of the motor based on a rotating angle of the motor such that the motor and the motor controller form a unit. The motor controller includes a resolver detecting a voltage signal corresponding to the rotating operation of the motor. The resolver outputs the voltage signal corresponding to the rotating operation of the motor, to a control board. The resolver is interposed between the motor and the control board and detects a rotating angle of a shaft end of a motor shaft extending beyond an operation performing apparatus that performs an operation of supplying driving power to the motor, to a position closer to the control board. | 2016-06-30 |
20160190899 | ELECTRIC COMPRESSOR - An electric compressor includes a hollow cylindrical housing, a compression unit that compresses refrigerant, a motor that functions as a drive source of the compression unit, an inverter that controls the motor, and a refrigerant liquid accumulation unit that accumulates refrigerant liquid in the housing. The refrigerant liquid accumulation unit is disposed at a lower portion in the housing when the electric compressor is installed on the vehicle. According to the electric compressor, the refrigerant liquid is accumulated in the refrigerant liquid accumulation portion at a long-time stop, so that degradation of insulation property in the electric compressor (especially, of the motor and the inverter) can be prevented. | 2016-06-30 |
20160190900 | Direct Current Electric Machine - The disclosure relates to a direct current electric machine comprising a housing, a rotor having coils configured as electromagnets, and a stator with stator magnets. The rotor and the stator are positioned inside the housing. The electric machine also comprises sliding contacts configured to conduct current which is to be conducted through the coils of the rotor, as a commutator. The electric machine further comprises an interference suppressor configured to suppress electrical interference that emanates from the direct current electric machine. The interference suppressor is positioned outside of the housing. | 2016-06-30 |
20160190901 | METHODS OF ASSEMBLING AN ELECTRICAL MACHINE - A method of constructing an electrical machine by assembling a first structure (one of a rotor and stator structure) and a second structure (the other of the rotor and stator structure), along with a plurality of first elements (one of a plurality of permanent magnet elements and a plurality of winding elements) and a plurality of second elements (the other plurality of the permanent magnet elements and winding elements). The first elements are attached to a rim of the first structure, and the second elements are attached to the first elements, this attachment being caused by a magnetic attraction. The first structure is assembled with the second structure such that the second elements are positioned for a posterior attachment to a rim of the second structure, and the second elements are attached to the rim of the second structure. | 2016-06-30 |
20160190902 | OSCILLATING MOTOR - An oscillating motor suitable for use with a personal care appliance is provided. The oscillating motor is configured with a reduced motor envelope as compared to conventional motors in order to be suitable for personal care appliances with smaller handles. | 2016-06-30 |
20160190903 | POWER GENERATION DEVICE - A power generation device of the present invention includes: a first magnet member; a second magnet member having its N-pole reversely disposed to an N-pole of the first magnet member; a center yoke capable of horizontally shifting and disposed between the first magnet member and the second magnet member; a coil disposed at the outer circumference of the center yoke; and a drive member horizontally shifting while holding the first magnet member and the second magnet member. The drive member and the center yoke horizontally shift in a first direction. After the horizontal shift of the center yoke in the first direction stops, the drive member further horizontally shifts in the first direction, and the center yoke horizontally shifts in a second direction opposite to the first direction. | 2016-06-30 |
20160190904 | MOVEMENT GENERATING DEVICE - A movement generating device ( | 2016-06-30 |
20160190905 | VOICE COIL MOTOR - A VCM is disclosed, the VCM including a rotor including a bobbin arranged at an upper surface of a base formed with an opening, and a driving coil wound on the bobbin, a stator including a driving magnet opposite to the driving coil, and a yoke secured by the driving magnet at an inner surface of a lateral plate, and a tilting unit including a tilt magnet arranged at an outer surface of the lateral plate, a housing fixing the tilt magnet, and a tilt coil unit opposite to the tilt magnet. | 2016-06-30 |
20160190906 | Geomagnetic Device - A portable and/or stationary device that yields enormous amount of clean energy. With a twist of the wrist the machine is capable of producing energy that will sustain the average modern household electricity needs and/or modified will be a power plant's energy source. The utility gadget is extremely cost-effective and durable as well as perdurable. A precisely leveled linear torque design maximizes energy production and efficiency of parts. | 2016-06-30 |
20160190907 | SPLIT PHASE POWER CONVERSION APPARATUSES, METHODS AND SYSTEMS - Split phase power conversion apparatuses, methods and systems are disclosed. One exemplary embodiment includes a generator, an AC/DC converter coupled with the generator, a DC bus coupled with the AC/DC converter, and an inverter coupled with the DC bus. The inverter includes first, second, and third legs each including a plurality of switches. A first controller provides a control signal to the first leg based upon a voltage between a first system output and a second system output and a first current provided to the first system output. A second controller provides a second control signal to the second leg based upon a voltage between the second system output and a third system output and a second current provided to the third system output. A third controller controls the third leg to provide an output equal to one half of the DC bus voltage. | 2016-06-30 |
20160190908 | POWER CONVERSION DEVICE AND CONTROL METHOD THEREOF - According to one embodiment, there is provided a power conversion device, including a control unit configured to control ON/OFF of a switching element of a neutral-point-clamped power conversion device unit, wherein the control unit drives the power conversion device unit by a one-pulse control, controls a phase difference of an output voltage of the power conversion device unit with respect to a reference phase of to control an active current component of an output current of the power conversion device unit, and controls ON/OFF based on: (a) a phase angle for eliminating a predetermined odd-order harmonic component of the output voltage; and (b) a sum of the reference phase and the phase difference. | 2016-06-30 |
20160190909 | POWER SUPPLY PROTECTING APPARATUS - A power supply protecting apparatus includes a first comparison unit, a second comparison unit, and a switch unit. The first comparison unit receives an input voltage from an electronic device, compares the input voltage with a first DC voltage, and outputs a first control signal. The second comparison unit receives an output voltage from an electronic device, compares the output voltage with the first DC voltage, and outputs a second control signal. The switch unit receives the first control signal and the second control signal, and outputs a first voltage level reference voltage when receiving a first voltage level first control signal from the first comparison unit or a second voltage level second control signal from the second comparison unit. A reference terminal of the electronic device receives the first voltage level reference voltage, and the electronic device stops working when receiving the first voltage level reference voltage. | 2016-06-30 |
20160190910 | SURGE CURRENT COMPENSATING CIRCUIT AND COMPARATOR MODULE - A surge current compensating circuit has a compensating current generation unit and a bias unit, for compensating a surge current drawn from a supply power after an output signal of a specific circuit transits. The compensating current generation unit electrically coupled to the output stage of the specific circuit draws a compensating current form the supply power according to the output signal. The compensating current substantially equals to the surge current, and a summation of a current flowing through the output stage of the specific circuit and the compensating current is substantially unchanged regardless whether the output signal transits or not. The bias unit electrically coupled to the compensating current generation unit provides a bias to the compensating current generation unit to receive the compensating current passed through the compensating current generation unit or output the compensating current to the compensating current generation unit. | 2016-06-30 |
20160190911 | OVERHEATING CONTROL APPARATUS AND DRIVING SYSTEM USING THE SAME - An overheating control apparatus according to examples includes an overheating detector configured to detect an overheating state, and a driving controller configured to provide a driving signal to driving circuits, and to change a duty ratio of the driving signal provided to at least a portion of the driving circuits according to the overheating state. In this manner, the overheating control apparatus helps manage problems that would otherwise occur due to overheating. | 2016-06-30 |
20160190912 | System and Method for Measuring Power in a Power Factor Converter - In accordance with an embodiment, a method of measuring an input power of a power factor converter (PFC) includes determining an average of a rectified voltage signal from an input of the PFC, determining an average of an inductor current of the PFC, and determining the input power by multiplying the average of the rectified voltage signal by the average of the inductor current. | 2016-06-30 |
20160190913 | CONSTANT-VOLTAGE DRIVE DEVICE CAPABLE OF ADJUSTING OUTPUT VOLTAGE - A constant-voltage drive device capable of adjusting output voltage includes a chopping wave structure, an AC power voltage detection module, an AC voltage signal bias module, a power factor correction controller with multiplier, a power factor correction and energy conversion and transmission module, an output control module, a reference signal generation module, an AC power phase angle detection module and a phase angle information transmission module. The output voltage can be both constant and adjustable, so that the output changes with the phase angle information of input, and also provides the chopping wave structure with current for proper functioning. The device is applicable for bigger power range with better compatibility and stronger adaptability. | 2016-06-30 |
20160190914 | Power Factor Correction Circuit and Electronic Product Including the Same - A power factor correction circuit and an electronic product including the same are disclosed. This technology configures a bridgeless circuit with no rectifier diode by using an additional switch, eliminating conduction loss due to the diode and reducing common mode EMI noise of the power factor correction circuit. A power factor correction circuit includes at least one inductor directly connected to an AC input stage, an output capacitor to smooth the output voltage, first switching elements to control current to store magnetic energy in the inductor, and a second switching element to maintain a substantially constant voltage between a ground voltage of an AC input stage and a ground voltage of an output stage. | 2016-06-30 |
20160190915 | Semiconductor power module and power conversion apparatus using the same - A semiconductor power module with which it is possible to suppress the influence of noise given from a main terminal to a control terminal is provided. At least any one of main terminals (positive electrode terminal, negative electrode terminal, alternating current terminal) is so configured that the main terminal includes two parts extended in a common direction. The two parts are, for example, formed of a single component having such as a shape that the component is bifurcated from the outside toward the inside of the semiconductor power module or two different components. The two parts are so structured that the parts are extended in a common direction. Control terminals (gate signal terminal and emitter signal terminal) are so arranged that a laminated portion of the control terminals is sandwiched between one and the other of the two parts to configure the semiconductor power module. | 2016-06-30 |
20160190916 | CONTROL CIRCUIT OF POWER CONVERTER - A control circuit of a power converter includes: an input signal detection circuit, configured to operably detect a magnitude of an input signal to generate a detection signal; a clock generation circuit, configured to operably generate a clock signal; an error detection circuit, configured to operably generate an error signal according to a reference signal and a feedback signal; a control signal generation circuit, coupled with the clock generation circuit and the error detection circuit, configured to operably control a switching frequency of a power switch according to the clock signal and the error signal; and a reverse adjusting circuit, coupled with the input signal detection circuit, configured to operably adjust the clock generation circuit or the control signal generation circuit according to the detection signal to configure the switching frequency of the power switch to be inversely proportional to the magnitude of the input signal. | 2016-06-30 |
20160190917 | COMPACT POWER CONVERSION DEVICE WITH CONTINUOUS OUTPUT REGULATION RANGE - The current invention relates to a power conversion device ( | 2016-06-30 |
20160190918 | ISOLATOR WITH REDUCED SUSCEPTIBILITY TO PARASITIC COUPLING - A capacitive isolation system, capacitive isolator, and method of operating the same are disclosed. The capacitive isolation system is described to include a first semiconductor die and a second semiconductor die each having capacitive elements established thereon and positioned in a face-to-face configuration. An isolation layer is provided between the first and second semiconductor die so as to establish an isolation boundary therebetween. Capacitive coupling is used to carry information across the isolation boundary. | 2016-06-30 |
20160190919 | High Side Switch For Selectively Supplying Power From A Power Supply To A Load - A circuit arrangement for selectively supplying power from a power supply to a load includes a semiconductor switch, such as an n-channel FET, along with a gate control and a charge pump. The circuit additionally includes a diode located in a ground path between a ground connection of the charge pump and a circuit ground, and a capacitor connected between the power supply and the diode. The added diode and capacitor allow the charge pump to maintain the FET in an ON state during a momentary voltage drop of the supply voltage. This circuit is preferably used with a high side switch integrated circuit. | 2016-06-30 |
20160190920 | Control Arrangement for a Switched Mode Power Supply - The disclosure relates to a control arrangement for a SMPS, the control arrangement comprising: an input terminal configured to receive a feedback-signal (V1) representative of an output of the SMPS; a normal-mode-processing-arrangement-configured to process the feedback-signal and provide a normal-mode-control-signal for operating the SMPS in a normal mode of operation; a burst-mode-processing-arrangement configured to process the feedback-signal and provide a burst-mode-control-signal for operating the SMPS in a burst mode of operation; and a feedback-control-processing-arrangement configured to operate the SMPS such that the feedback signal in the normal mode of operation has a predetermined relationship with the feedback signal in the burst mode of operation. | 2016-06-30 |
20160190921 | SELECTABLE-MODE VOLTAGE REGULATOR TOPOLOGY - One embodiment provides an apparatus. The apparatus includes a selectable-mode voltage regulator (VR) to implement one or more of a plurality of VR modes. The selectable-mode VR includes a plurality of switches, an inductor (L), a flying capacitor (Cf), and an output capacitor (Cout). | 2016-06-30 |
20160190922 | Feedback Scheme for Non-Isolated Power Supply - Embodiments described herein describe a switching power converter that includes a switch, an inductor, a diode, and a controller that generates a control signal to turn on and turn off the switch. The controller generates the control signal by generating a reference signal, integrating a difference between a voltage value of the generated reference signal, and a voltage difference between voltage values of the switching node and the second output terminal, and generating the control signal by processing the integrated voltage difference. | 2016-06-30 |
20160190923 | FAST MODE TRANSITIONS IN A POWER CONVERTER - A power conversion system includes, for example, a PFM controller, a PWM controller, and an auxiliary voltage output stage. The PFM controller controls a power output stage in a PFM mode in response to a power stage voltage output generated by the power output stage during a first period of time in which the power output stage is operating in the PFM mode. The PWM controller controls the power output stage in a PWM mode in response to a power stage voltage output generated by the power output stage during a second period of time in which the power output stage is operating in the PWM mode. The auxiliary voltage output stage generates an auxiliary voltage during a third period of time , where the PWM controller controls the auxiliary power output stage using the auxiliary voltage during the third period of time. | 2016-06-30 |
20160190924 | ELECTRIC POWER CONVERSION DEVICE - An electric power conversion device includes a plurality of cell converters connected in cascade and including main circuits, drive circuits, and self-feeding devices for supplying power to the drive circuits by being supplied with power from the main circuits. The drive circuit is supplied with power via a first feed line from the self-feeding device in the corresponding cell converter, and supplied with power from the self-feeding device in another cell converter via a second feed line on which an insulation input/output circuit is provided. When the self-feeding device is abnormal, the drive circuit is supplied with power from the self-feeding device in the other cell converter, whereby the electric power conversion device continuously provides a desired output. | 2016-06-30 |
20160190925 | CURRENT SENSE CONTROLLER FOR A DC-TO-DC CONVERTER - A DC-to-DC converter comprises a first switch, a second switch coupled to the first switch, an inductor, and a plurality of serially connected power transistors. The first switch is to couple an input voltage to a common node. The first and second switches to be turned on and off in a reciprocating manner so as to couple either the input voltage or ground to the common node. The inductor, connecting the common node to an output voltage node of the DC-to-DC converter, is configured to control a voltage at the output voltage node based on current flowing through the inductor. The plurality of power transistors are concurrently controlled by a first signal that is based on a value of a voltage at the common node and a supply voltage, the serially connected power transistors to control an amount of current flowing through the inductor. Moreover, the first signal is used to prevent a high voltage drop from overstressing the plurality of power transistors while the first switch is on. | 2016-06-30 |
20160190926 | INTEGRATED CIRCUIT WITH CONFIGURABLE CONTROL AND POWER SWITCHES - Disclosed examples include integrated circuits configurable according to sensed circuit conditions to provide configurable power converter topologies with externally connected circuitry to implement buck, boost, buck-boost, low dropout and/or hot-swap power converters. The ICs include one or more sets of series connected high and low side transistors connected with corresponding IC pads to allow connection to external circuitry to form a particular power converter configuration. The IC includes a control circuit and a configuration circuit to sense a circuit condition of the IC and to configure the control circuit to provide switching control signals to the transistors to implement one of a plurality of power converter topologies. | 2016-06-30 |
20160190927 | ILLUMINATION DEVICE CONTROL SYSTEMS AND METHODS - In various embodiments, a control system for an electronic circuit iteratively applies voltage to and senses current from a load to regulate operation of the load. | 2016-06-30 |
20160190928 | Voltage Division Circuit, Circuit for Controlling Operation Voltage and Storage Device - A voltage division circuit, a circuit for controlling operation voltage and a storage device are provided. The voltage division circuit includes: a receiving transistor; a transistor group including m transistors connected in series; n type-one switches, each of which includes three terminals, the first is connected with a drain of a former one and a source of a latter one of two adjacent transistors in the transistor group, the second is connected with ground, the third is adapted for receiving a timing control signal; and n+1 type-two switches, each of which includes three terminals, the first is connected with a source of a transistor in the transistor group, the second is adapted for outputting a divided voltage, and the third is adapted for receiving the timing control signal. The voltage division circuit can save chip area, and work properly under a condition that the voltage to be divided is low. | 2016-06-30 |
20160190929 | OUTPUT CIRCUIT AND CURRENT SENSOR HAVING THE SAME - If an output voltage increases higher than a first limit voltage, a first output transistor is controlled such that the output voltage approaches the first limit voltage, and if the output voltage decreases lower than a second limit voltage, a second output transistor is controlled such that the output voltage approaches the second limit voltage. As a result, it is possible to limit the range of the output voltage and to reduce power consumption, without an increase in an output current at the time of limiter operation, differently from a voltage limiter circuit of the related art. | 2016-06-30 |
20160190930 | SEMICONDUCTOR DEVICE - Provided is a semiconductor device including: a DC/DC converter circuit, wherein the DC/DC converter circuit includes a transistor of a normally-off type, having a first drain electrode connected town input terminal and a first source electrode connected to an output terminal, which is formed in a first compound semiconductor substrate having a two-dimensional electron gas layer, and a transistor having a second drain electrode connected to the first source electrode and a grounded second source electrode. | 2016-06-30 |
20160190931 | Buck-boost power converter and associated mode transition control module - A buck-boost power converter and a mode transition control module. The mode transition control module includes a buck duty cycle sensing and comparison circuit and a boost duty cycle sensing and comparison circuit. The buck duty cycle sensing and comparison circuit can provide a first mode transition control signal through comparing a first signal indicative of a buck duty cycle with a first threshold signal indicative of a buck duty threshold to regulate the buck-boost power converter to transit between a buck mode and a buck-boost mode. The boost duty cycle sensing and comparison circuit can provide a second mode transition control signal through comparing a second signal indicative of a boost duty cycle with a second threshold signal indicative of a boost duty threshold to regulate the buck-boost power converter to transit between a the buck-boost mode and a boost mode. | 2016-06-30 |
20160190932 | DC-DC CONVERTER - Embodiments of the present invention provide a DC-DC converter having a first DC voltage gate, a second DC voltage gate and a storage choke. The storage choke is coupled between the first DC voltage gate and the second DC voltage gate by means of electric switching elements. The DC-DC converter is configured such that a direction of a current flow through the storage choke is inverted at least once during a switching period of the electric switching elements. Further, the DC-DC converter is configured to track or readjust a switching frequency of the electric switching elements in case of a change of operating parameters of the DC-DC converter such that a change of direction of the current flow through the storage choke during a switching period of the electric switching elements is ensured. | 2016-06-30 |
20160190933 | HYBRID DC-DC CONVERTER WITH LLC CONVERTER AND FULL-BRIDGE CONVERTER - Disclosed is a hybrid dc-dc converter. The hybrid dc-dc converter includes: a pair of transformers configured to magnetically couple a primary side to a secondary side, a full-bridge converter including four switches constituting a full-bridge inverter circuit and a first transformer, and an LLC resonant converter including a resonant inductor, a resonant capacitor, and a second transformer, which constitute an LLC resonant circuit, wherein an output of the full-bridge converter and an output of the LLC resonant converter are connected to each other in series at the secondary side. | 2016-06-30 |
20160190934 | METHOD FOR EXTENDING POWER SUPPLY HOLD-UP TIME BY CONTROLLING A TRANSFORMER TURN RATIO - In one embodiment a method of extending power supply hold-up time by controlling a transformer turn ratio may include an input capacitor receiving an input voltage of a transformer unit. A first control transistor may switch a first transformer winding to an on state in response to the input voltage being above a voltage threshold level. The first control transistor may switch the first transformer winding to an off state in response to the input voltage being below the voltage threshold level. A second control transistor may switch a second transformer winding to an on state in response to the input voltage being below the voltage threshold level, wherein the first transformer winding and the second transformer winding may include separate windings located on a same side of a magnetic core of the transformer unit. In an embodiment the transformer unit may include a power supply unit. | 2016-06-30 |
20160190935 | Systems and Methods for Voltage Regulation of Primary Side Regulated Power Conversion Systems with Compensation Mechanisms - Systems and methods are provided for voltage regulation of power conversion systems. An example system controller includes: a first sampling component configured to sample a sensing signal and determine a compensation signal based on at least in part on the sensing signal, the sensing signal being associated with a first current flowing through a primary winding of a power conversion system; a signal processing component configured to receive a feedback signal and the compensation signal and generate a first signal based at least in part on the feedback signal and the compensation signal, the feedback signal being associated with an auxiliary winding coupled with a secondary winding of the power conversion system; an error amplifier configured to receive the first signal and a reference signal and generate an amplified signal based at least in part on the first signal and the reference signal. | 2016-06-30 |
20160190936 | FLYBACK-BASED POWER CONVERSION APPARATUS - A power conversion apparatus including a flyback power conversion circuit, a control chip and a detection auxiliary circuit is provided. The flyback power conversion circuit receives and converts an input voltage into a DC output voltage. The control chip generates a PWM signal in response to a power supplying requirement to control the operation of the flyback power conversion circuit, wherein the control chip has a single multi-function detection pin. The detection auxiliary circuit assists the control chip to obtain a first detection voltage via the multi-function detection pin, such that the control chip performs a detection of an over temperature protection (OTP) and a detection of an over voltage protection (OVP) synchronously according to the first detection voltage. The first detection voltage is related to the DC output voltage or a thermal voltage of an environment temperature. | 2016-06-30 |
20160190937 | SYSTEMS AND METHODS FOR VOLTAGE REGULATION OF PRIMARY SIDE REGULATED POWER CONVERSION SYSTEMS WITH COMPENSATION MECHANISMS - Systems and methods are provided for voltage regulation of power conversion systems. An example system controller includes: a first sampling component configured to sample a sensing signal and determine a compensation signal based on at least in part on the sensing signal, the sensing signal being associated with a first current flowing through a primary winding of a power conversion system; a signal processing component configured to receive a feedback signal and the compensation signal and generate a first signal based at least in part on the feedback signal and the compensation signal, the feedback signal being associated with an auxiliary winding coupled with a secondary winding of the power conversion system; an error amplifier configured to receive the first signal and a reference signal and generate an amplified signal based at least in part on the first signal and the reference signal. | 2016-06-30 |
20160190938 | SWITCHING MODE POWER SUPPLY WITH SELECTABLE CONSTANT-VOLTAGE CPMSTAMT-CURRENT CONTROL - A switch mode power supply (SMPS) has a primary-side controller configured to control a power switch for turning on and turning off a current flow in the primary winding. A secondary-side controller is coupled to the secondary winding for providing constant voltage (CV) and constant current (CC) control of the SMPS. The secondary-side controller is configured to receive an output selection signal and, based on the output selection signal, select a voltage reference signal from a plurality of voltage reference signals and select a current reference signal from a plurality of current reference signals. The secondary-side controller is configured to monitor an output voltage and an output current of the SMPS, and is configured to provide a turn-on signal to the primary-side controller for turning on the power switch upon determining that the output voltage is below the selected voltage reference signal and the output current is below the selected current reference signal. | 2016-06-30 |
20160190939 | Push-Pull LED Driver Circuit - Push-pull circuits are described that are suitable for the driving of LEDs and that reduce the voltage stress on the switching transistors that is caused by the output transformer. The push-pull arrangement caters to reducing the size of the transformer as it eliminates the DC magnetic bias of the transformer core and it also caters to the integration of the semiconductor content of the circuit requiring only low side DMOS to be implemented in the monolithic, junction isolated process. | 2016-06-30 |
20160190940 | RESONANT DC/DC POWER CONVERTING CIRCUIT AND METHOD FOR CONTROLLING THE SAME - A method for controlling a resonant DC/DC power converting circuit is provided. The resonant DC/DC power converting circuit having a converter output and a converter input comprises at least two converters having similar structures and outputs connected in parallel as said converter output, and a controller. Each converter comprises a full-bridge inverter unit and a resonant unit. The full-bridge inverter unit is configured with at least four switches. The resonant unit is coupled with said full-bridge inverter unit. The controller outputs two groups of driving control signals to drive four switches in said two converters respectively. The method comprises: making said two converters operate at the same frequency and interleave with preset phase shift; and making two of driving control signals in one group interleave with preset angle to reduce output current of said converter corresponding controlled thereby, when output currents of said two converters are not approximately equal. | 2016-06-30 |
20160190941 | SWITCHING POWER SUPPLY SYSTEM, AND ASSOCIATED CONTROL CIRCUIT TO ELIMINATE FLICKER OF LED - A switching power supply system has a switching circuit and a control circuit. The control circuit has an integrating circuit providing a charge signal by integrating an output current feedback signal, a charge control circuit, and a switching control circuit controlling the switching circuit based on the charge signal and a charge reference signal. The switching power supply system controls an output current stable via controlling the charge signal, so as to eliminate flicker and shimmer of a LED load with low power loss and simple circuit. | 2016-06-30 |
20160190942 | INSULATED SYNCHRONOUS RECTIFICATION DC/DC CONVERTER - When a pulse generator detects that a switching transistor on a primary side of a DC/DC converter turns off, the pulse generator sets a pulse signal S | 2016-06-30 |
20160190943 | Switched-Capacitor Split Drive Transformer Power Conversion Circuit - A split drive transformer (SDT) and use of such a transformer in a power converter is described. The power converter includes a power and distributor circuit configured to receive one or more input signals and provides multiple signals to a first side of the SDT. The SDT receives the signals provided to the first side thereof and provides signals at a second side thereof to a power combiner and rectifier circuit which is configured to provide output signals to a load. In some embodiments, the SDT may be provided as a switched-capacitor (SC) SDT. In some embodiments, the power converter may optionally include a level selection circuit (LSC) on one or both of the distributor and combiner sides. | 2016-06-30 |
20160190944 | ELECTRIC POWER CONVERSION APPARATUS AND ELECTRIC POWER CONVERSION METHOD - There is provided a electric power conversion method of an electric power conversion apparatus comprising: charging the capacitor by transmitting the electric power from the primary circuit to the secondary circuit; and determining whether a voltage across the capacitor is equal to or greater than a predetermined value; the electric power conversion method further comprising, upon determining that the voltage across the capacitor is greater than or equal to the predetermined value, stopping to drive the primary circuit; driving the first secondary upper arm or the second secondary upper arm; and detecting whether a short-circuiting failure occurs in the first secondary lower arm or in the second secondary lower arm based on a presence or absence of change in a voltage at the secondary port in response to driving the first secondary upper arm or the second secondary upper arm. | 2016-06-30 |
20160190945 | RESONANT CONVERTER WITH CAPACITIVE MODE DETECTION AND ASSOCIATED DETECTION METHOD - A method of capacitive mode detection is used in a resonant converter. The resonant converter has a square wave generator having a first switch and a second switch, a resonant network, an isolated transformer having a primary winding and a second winding, and a rectifier network providing an output DC voltage for a load. The method of capacitive mode detection includes: detecting a voltage of the secondary winding and generating a voltage detection signal; detecting an output DC voltage of the rectifier network and generating a voltage detecting threshold; comparing the voltage detection signal with the voltage detection threshold when either of the first and the second switches is turned OFF; generating a flag signal indicating whether the resonant converter enters into a capacitive mode based on the comparison result. | 2016-06-30 |
20160190946 | Resonant Converters with Synchronous Rectifier Feedback - A method comprises detecting a signal representing a drain-to-source voltage of a switch of a synchronous rectifier of an inductor-inductor-capacitor (LLC) resonant converter, comparing the signal with a predetermined threshold, generating a first logic state if the drain-to-source voltage is greater than the predetermined threshold, generating a second logic state if the drain-to-source voltage is less than the predetermined threshold and in response to the first logic state and the second logic state, adjusting a switching frequency of the LLC resonant converter such that the switching frequency moves back and forth across a boundary of body diode conduction, wherein a frequency difference between the switching frequency and a resonant frequency of the LLC resonant converter is less than or equal to one frequency adjustment step. | 2016-06-30 |
20160190947 | POWER CONVERSION APPARATUS WITH POWER SAVING AND HIGH CONVERSION EFFICIENCY MECHANISMS - A power conversion apparatus is provided. The power conversion apparatus includes a transformer, a synchronous rectification (SR) transistor and an SR control circuit. A first terminal of a primary side of the transformer receives an input voltage. A first terminal of a secondary side of the transformer provides an output voltage to a load. A first drain/source terminal of the SR transistor is coupled to a second terminal of the secondary side of the transformer. A second drain/source terminal of the SR transistor is coupled to a first ground terminal. A gate terminal of the SR transistor receives a control signal. The SR control circuit receives a signal of the first drain/source terminal of the SR transistor to determine statuses of the load and generate the control signal. When the load is a light load, the SR control circuit enters a power-saving mode and turns off the SR transistor. | 2016-06-30 |
20160190948 | SHOOT-THROUGH PREVENTION IN SWITCHED-MODE POWER SUPPLIES - The disclosed embodiments provide a system that operates a flyback converter. During activation of a synchronous rectifier (SR) controller on a secondary side of the power converter, the system temporarily disables driving of a gate of a metal-oxide-semiconductor field-effect transistor (MOSFET) by the SR controller to enable synchronization of the SR controller to a switching frequency on a primary side of the power converter. After driving of the gate of the MOSFET by the SR controller has been disabled for a pre-specified period, the system enables driving of the gate of the MOSFET by the SR controller. | 2016-06-30 |
20160190949 | SYNCHRONOUS RECTIFICATION - A controller for a use with a power converter includes a sensor coupled to sense a signal on a secondary side of the power converter. The sensor is coupled to detect a turn off of a power switch on a primary side of the power converter. A charge source is coupled to charge a control terminal of a synchronous rectifier on the secondary side of the power converter in response to said detection of the turn off of the power switch to a voltage beyond a threshold voltage of the synchronous rectifier to allow the synchronous rectifier to conduct a current of the secondary winding. A linear amplifier having an output is coupled to sink current from the control terminal of the synchronous rectifier in response to a difference between a voltage across the synchronous rectifier and an amplifier reference value. | 2016-06-30 |
20160190950 | METHODS AND SYSTEMS OF FIELD UPGRADEABLE TRANSFORMERS - Methods and systems of field upgradeable transformers are provided. Voltage transformation, intelligence, communications, and control are integrated in a flexible and cost effective manner. A field upgradeable transformer may comprise a transformer module and a cold plate. The transformer module provides voltage transformation. The transformer module is enclosed in a housing containing coolant with dielectric properties, such as mineral oil. The cold plate may be mounted to the housing and thermally coupled to the coolant. Interfaces to the primary side and/or secondary side of transformer module may be configured to be disposed on the surface of the housing. A field upgradable transformer may comprise various electronic modules that are configured to be mounted to the cold plate. An electronic module may be thermally coupled to the coolant, and may be configured to be coupled to the transformer module. An electronic module may monitor the voltage level of the primary side and/or the secondary side of the field upgradeable transformer, the current level through the field upgradeable transformer, the power factor, and/or the coolant temperature; create an outage alert; communicate with a control center; provide electromechanical tap changing; regulate line voltages, power factor, and/or harmonics; and/or mitigate voltage sags. | 2016-06-30 |
20160190951 | Digital Frequency Selective Transformer-Rectifier Unit Ripple Fault Detection - A circuit for converting variable frequency generated AC electric power to DC electric power for use on loads comprises a transformer-rectifier unit to convert a generated AC electric power to DC electric power. A tap senses the converted DC power downstream of the transformer-rectifier unit with a filter, which passes a filtered signal to a control for detecting a fault on the transformer-rectifier unit by passing a higher-order harmonic of the generated AC power as the filtered signal. A tap senses an AC frequency of the generated AC power reaching the transformer-rectifier unit. The sensed AC frequency is utilized to tune the filter, such that the filter will pass the higher order harmonic, as the higher order harmonic varies with variation in the AC frequency. A power system is also disclosed. | 2016-06-30 |
20160190952 | Power Supply Device - According to one embodiment of the present invention, when a power supply device including first and second amplification units which share an energy storage element is used, it is possible to reduce voltage stress on a semiconductor device and to consistently maintain voltages output to the first and second amplification units by independently adjusting the amplification rates of the first and second amplification units. | 2016-06-30 |
20160190953 | CAPACITIVE POWER SUPPLY DEVICE FOR A CONTROL DEVICE OF AN ELECTRICAL SWITCHING APPARATUS - A capacitive power supply device for a control device of an electrical switching apparatus, including a power supply module that has two input terminals and a power supply voltage between the two terminals, and suitable for supplying a power supply current to a control member suitable for controlling the electrical switching apparatus when the power supply voltage is below a predetermined actuation threshold, the power supply module including a first capacitor connected at the input of voltage rectifying means, the control member being connected at the output of a rectifying block, wherein a second capacitor and a first switch, suitable for connecting the second capacitor based on a comparison of the power supply voltage to a capacitor switching threshold value. | 2016-06-30 |
20160190954 | METHOD AND SYSTEM FOR BRIDGELESS AC-DC CONVERTER - An AC-DC converter configured to convert an input AC signal to an output DC signal is disclosed. The AC-DC converter includes an inductor and first and second transistors, where the inductor and first and second transistors are connected in series with one another. The input AC signal is applied across the series connected inductor and first and second transistors, and the series connected inductor and first and second transistors is configured to generate a secondary AC signal based on the AC input signal. The AC-DC converter also includes a rectifier, configured to rectify a signal based on the secondary AC signal to generate a substantially DC output signal based on the AC input signal. | 2016-06-30 |
20160190955 | DC POWER-SUPPLY DEVICE AND REFRIGERATION-CYCLE APPLICATION DEVICE INCLUDING THE SAME - To provide a DC power-supply device that can suppress voltage unbalance of a plurality of capacitors serially connected between both terminals of a load, achieve stable drive of the load and long life of the capacitors, and contribute to high reliability, in a configuration in which an alternating current is converted into a direct current and is supplied to a load, and a refrigeration-cycle application device including the DC power-supply device. The DC power-supply device includes a rectifier circuit, a reactor connected to an input or an output side of the rectifier circuit, a first capacitor and a second capacitor serially connected between output terminals to a load, a charging unit that selectively charges one or both of the first capacitor and the second capacitor, and further includes a control unit that controls the charging unit so that voltage unbalance between the first capacitor and the second capacitor is suppressed. | 2016-06-30 |
20160190956 | Method And Apparatus For Controlling A Multilevel Soft Switching Power Converter - A system for controlling a multilevel soft switching power converter including a DC bus, a pair of switching arms, and a controller is disclosed. The DC bus has a positive rail and a negative rail operable to have a voltage potential present across the DC bus. Each switching arm is connected between the positive rail and the negative rail and includes four soft switches. Each soft switch is connected between the positive rail, the negative rail, or one of three intermediate connections between the positive and negative rails. Each soft switch is also controlled by a gating signal. A flying capacitor is connected between the first intermediate connection and the third intermediate connection and an output terminal is connected at the second intermediate connection of each switching arm. A controller is operable to generate each of the gating signals utilizing at least three control routines. | 2016-06-30 |
20160190957 | DISTRIBUTED VOLTAGE SOURCE INVERTERS - Systems and methods are disclosed with multiple direct current (DC) voltage source inverters to supply power to an alternating current (AC) power system. The system includes a plurality of full bridge inverter stages, each having a primary node and a secondary node, each of said full bridge inverter stages having positive and negative node, each of said full bridge inverter stages having a voltage supporting device electrically connected in a parallel relationship between said positive node and said negative node and a direct current (DC) source connected between the positive and negative nodes; at least one stacked inverter phase, each stacked inverter phase having a plurality of said full bridge inverter stages, each of said full bridge inverter stages in each stacked inverter phase interconnected in a series relationship with said secondary node of one of said full bridge inverter stages connected to said primary node of another full bridge inverter, said series interconnection defining a first full bridge inverter stage and a last full bridge inverter stage, each phase having an input node at said primary node of said first full bridge inverter stage and an output node at said secondary node of said last full bridge inverter stage; a local controller coupled to each full bridge inverter stage providing the control signals to each full bridge inverter stage to output an approximate nearly sinusoidal voltage waveform; and a system controller which communicating with each local controller; the system controller generating system control signals for configuration, synchronization, activation, deactivation and operating mode selection of said local controller. | 2016-06-30 |