23rd week of 2016 patent applcation highlights part 70 |
Patent application number | Title | Published |
20160164326 | CHARGING DEVICE - The present invention provides a charging device fixed or placed on a table or a wall to serve as a signage, the charging device includes a display unit for displaying information, a power supply unit for providing power to the charging device, and a charge connector, wherein when an external electronic device is connected to the charge connector, the power supply unit charges the external electronic device via the charge connector. | 2016-06-09 |
20160164327 | METHOD FOR DETECTING A TYPE OF CHARGER COUPLED TO AN INPUT-OUTPUT CIRCUIT AND INPUT-OUTPUT CIRCUIT THEREFOR - A power supply detection circuit detects power feeding to a VBUS terminal from the outside. A charger detection circuit detects the kind of charger by monitoring voltages of a DP terminal and a DM terminal. A control unit adjusts timing and instructs the charger detection circuit to start a charger kind detection process after a notification of detection of power feeding is received from the power supply detection circuit. | 2016-06-09 |
20160164328 | BATTERY PACK - A battery pack includes a battery, main switch, controller, and driving voltage supply source. The battery has at least one battery cell. The main switch is connected between a first node and a second node, the battery is connected to the first node and an external terminal, and the external terminal connected to the second node. The controller manages the battery and to control the main switch. The driving voltage supply source generates a driving voltage based on a voltage of a third node and to supply the driving voltage to the controller. The third node is diode-connected to the first node and the second node. | 2016-06-09 |
20160164329 | POWER CONTROL SYSTEM, POWER CONTROL METHOD AND RECORDING MEDIUM - In order to solve the problem of a power grid becoming unstable due to a sharp increase in demand for electric power, the present invention provides a power control system to control the supply of electric power to a load or a storage battery in which the time period for supplying electric power is regulated. A power control system ( | 2016-06-09 |
20160164330 | ELECTRONIC APPARATUS AND METHOD - An electronic apparatus includes a first switch unit being connected between an electrical load and a battery, a second switch unit being connected between the electrical load and the battery, and being connected in parallel with the first switch unit, a first control unit that controls the first switch unit so as to control supplying power from an external apparatus to the electrical load and charging the battery with power supplied from the external apparatus to the electronic apparatus, and a second control unit that controls the second switch unit based on whether power is supplied from the external apparatus to the electronic apparatus. In a case where power is not supplied from the external apparatus to the electronic apparatus, the second control unit controls the second switch unit to supply power from the battery to the electrical load via the second switch unit. | 2016-06-09 |
20160164331 | SYSTEM, APPARATUS AND METHOD FOR SUPPLYING ELECTRIC POWER, APPARATUS AND METHOD FOR RECEIVING ELECTRIC POWER, STORAGE MEDIUM AND PROGRAM - An electric power supply system includes an electric power reception apparatus and an electric power supply apparatus adapted to supply electric power to the electric power reception apparatus when the electric power reception apparatus is placed on the electric power supply apparatus. The electric power supply apparatus includes a plurality of electric power supply units adapted to supply electric power by electromagnetic induction to the electric power reception apparatus. A selection unit of the electric power supply apparatus selects, from the total plurality of electric power supply units, a plurality of electric power supply units whose location corresponds to a position where the electric power reception apparatus is placed, and a control unit controls the supply of electric power such that electric power is supplied to the electric power reception apparatus from the selected plurality of electric power supply units. | 2016-06-09 |
20160164332 | TILED WIRELESS CHARGING COIL SOLUTION FOR EXTENDED ACTIVE AREA - The disclosure generally relates to as method and apparatus for wireless charging station. In one embodiment, the disclosure provides an overlapping (or tiled) layout of a plurality of coils. Each coil may have a symmetric or an asymmetric turn layout. The disclosure also provides, design optimization techniques configured to determine the optimal tile overlap distance and/or coil, size to provide a substantially uniform electro-magnetic field over the surface of the wireless charging station. | 2016-06-09 |
20160164333 | CONTACTLESS CHARGER, PROGRAM THEREFOR, AND AUTOMOBILE EQUIPPED WITH SAME - A position detection coil ( | 2016-06-09 |
20160164334 | Wireless Charging Device and Method - Disclosed are a wireless charging apparatus and method, wherein the device includes: a receiving coil, connected to a dynamic matching circuit, and the dynamic matching circuit includes a control circuit and at least one kind of matching circuit; the control circuit is connected to the at least one kind of matching circuit; the control circuit is configured to: transmit a control signal for controlling ON and OFF of the at least one kind of matching circuit. The apparatus and method solve the problem of using different wireless charging standards to perform wireless charging and realize a flexible wireless charging mechanism. | 2016-06-09 |
20160164335 | NON-CONTACT CHARGER - A non-contact charger includes a position detector, a determination unit, a primary coil, a coil moving unit, and a controller. The position detector detects placement of an electronic device, which incorporates a secondary coil, onto a top plate of the non-contact charger. The determination unit determines whether the electronic device is placed onto the top plate of the non-contact charger from a lateral direction. When the determination unit determines that the electronic device is placed onto the top plate from the lateral direction, the controller instructs the coil moving unit to wait for a predetermined period of time in moving the primary coil. After the waiting for the predetermined period of time to delay the movement of the primary coil, the controller moves the primary coil toward a position of the secondary coil of the electronic device. | 2016-06-09 |
20160164336 | POWER FEEDING UNIT, POWER FEEDING SYSTEM, AND ELECTRONIC UNIT - A power feeding unit includes an electricity transmission section configured to perform electricity transmission using one of a magnetic field and an electric field to a power-feeding objective unit having a secondary battery, and an electricity transmission control section configured to control electricity transmission operation of the electricity transmission section. The electricity transmission control section allows the electricity transmission operation to be suspended when charge of the secondary battery is completed based on power provided through the electricity transmission, and allows the electricity transmission operation to be restarted when a predetermined condition is satisfied after completion of the charge. | 2016-06-09 |
20160164337 | FAR FIELD TELEMETRY OPERATIONS BETWEEN AN EXTERNAL DEVICE AND AN IMPLANTABLE MEDICAL DEVICE DURING RECHARGE OF THE IMPLANTABLE MEDICAL DEVICE VIA A PROXIMITY COUPLING - Far field telemetry operations are conducted between an external device and an implantable medical device while power is being transferred to the implantable medical device for purposes of recharging a battery of the implantable medical device. The far field operations may include exchanging recharge information that has been collected by the implantable medical device which allows the external device to exercise control over the recharge process. The far field operations may include suspending far field telemetry communications for periods of time while power continues to be transferred where suspending far field telemetry communications may include powering down far field telemetry communication circuits of the implantable medical device for periods of time which may conserve energy. The far field operations may further include transferring programming instructions to the implantable medical device. | 2016-06-09 |
20160164338 | WIRELESS POWER CHARGING SYSTEM - A wireless power charging system has a wireless power transmission apparatus formed to charge a plurality of wireless power receiving apparatuses located in a short distance therefrom, wherein the total charging time for the wireless power receiving apparatuses is saved. The wireless power transmission apparatus has a main control unit and a resonant converter unit, which transmit the electric signal to the wireless power receiving apparatus via the resonance signal generated from a primary charge core in order to charge the wireless power receiving apparatuses. The wireless power transmission apparatus also includes an output signal conversion module for transmitting a converted electric signal to the resonant converter unit and a received signal process module for processing a signal transmitted from the wireless power receiving apparatus. | 2016-06-09 |
20160164339 | CHARGING MECHANISM WITH GROUND CONTACT AND NON-CONTACT COUPLING - The embodiments provide a device including an enclosure having circuitry associated with the device and a battery configured to power the circuitry, and a power plug receiving unit configured to receive a power plug of a power charger to charge the battery. The power plug receiving unit includes a ground contact that is exposed through the enclosure for contact with a secondary ground contact of the power plug, and an active electrode configured to receive alternating current (AC) energy from the power charger for charging the battery or powering the circuitry via non-contact coupling. | 2016-06-09 |
20160164340 | CHARGING SYSTEM HAVING AN ACCUMULATOR, USE OF AN MPP TRACKING METHOD FOR CHARGING AN ACCUMULATOR, AND METHOD FOR CHARGING AN ACCUMULATOR WITH THE AID OF A CHARGING SYSTEM - A charging system including an accumulator, a use of an MPP tracking method for charging an accumulator, and a method for charging an accumulator with the aid of a charging system, the charging system including a voltage source, a converter, and a rectifier, the current supplied and/or driven by the voltage source being supplied to the DC-voltage-side terminal of a converter, the converter having semiconductor switches, which are controllable in a pulse-width modulated manner, in order to generate an output-side AC voltage, the output-side AC voltage feeding a rectifier, whose output-side voltage, especially rectified voltage, functioning and/or acting as charging voltage for the accumulator, an arrangement for detecting the output current of the inverter being situated in the converter, the effective value of the output current in particular corresponding to the charge current of the converter, a current limiting arrangement of the converter limiting the output current of the inverter to a current value such that the charging power, i.e., the product of charging voltage and charge current, is controlled toward a maximum value. | 2016-06-09 |
20160164341 | UNINTERRUPTIBLE POWER SUPPLY CONTROL - Systems and methods of controlling an uninterruptible power supply are provided. The uninterruptible power supply includes an input configured to receive input power having three phases, an output configured to provide output power, a power conversion circuit coupled with the input and the output, one or more sensors configured to monitor one or more parameters related to the output power, and a controller coupled with the power conversion circuit and the one or more sensors. The controller is con figured to receive, from the one or more sensors, values for the one or more parameters, and based on the values for the one or more parameters, select a number of phases of the input power for receiving power for the power conversion circuit. | 2016-06-09 |
20160164342 | VBUS POWER SWITCH - This document discusses, among other things, an electronic circuit and method for defaulting to a valid battery supply to power an electronic device. In an example, an electronic circuit can be configured to receive information about the battery supply (e.g., an internal battery), such as the battery supply voltage (V | 2016-06-09 |
20160164343 | Power Transmission Device - A power transmission device has a short height and a small size and is capable of transmitting high power with high efficiency. The power transmission device includes first resonators, second resonators coupled to the first resonators via electromagnetic waves, a primary circuit connected to an input end of the first resonator, and a secondary circuit connected to an output end of the second resonator. The first resonator is insulated from the second resonator. Output impedance of the primary circuit is different from input impedance of the secondary circuit. Impedance matching is performed between the output impedance of the primary circuit and impedance in the case of viewing the first resonator side from the input end of the first resonator, and impedance matching is performed between the input impedance of the secondary circuit and impedance in the case of viewing the second resonator side from the output end of the second resonator. | 2016-06-09 |
20160164344 | METHOD AND APPARATUS FOR CONTROLLING WIRELESS POWER TRANSMISSION - A method and apparatus for controlling wireless power transmission are provided. An output power of a source device may be wirelessly transmitted to a target device via a resonator. The source device may detect a change in a current of the output power, and may request the target device to verify a state of the target device. The source device may determine a state of a wireless power transmission based on the change in the current and the state of the target device. The source device may control wireless power transmission based on the determined state of the wireless power transmission. | 2016-06-09 |
20160164345 | MULTI-PROTOCOL UBIQUITOUS WIRELESS POWER TRANSMITTER - A multi-mode multi-coupling multi-protocol wireless power transmitter (WPT) and its embodiments transmit power to a wireless power receiver (WPR) in a power transfer mode (PTM) and a wireless power protocol (WPP) of the WPR. A first circuit of the WPT includes inductors or capacitors emanating power via a magnetic field or electric field PTM respectively. The WPT sequentially parses a test condition to identify a PTM, a power coupling linkage (PCL) between the WPT and the WPR, and a WPP of the WPR. The WPT identifies a match if the PTM of the first circuit and the WPP of the switch network, the variable matching circuit, a modulator/demodulator block or an out-of-band communication block, and a control logic circuit of the WPT match the PTM and the WPP of the WPR to transmit power to the WPR based on the match. | 2016-06-09 |
20160164346 | SOFT SWITCHED SINGLE STAGE WIRELESS POWER TRANSFER - A control scheme and architecture for a wireless electrical energy transmission circuit employs two solid-state switches and a zero voltage switching (ZVS) topology to power an antenna network. The switches drive the antenna network at its resonant frequency and simultaneously energize a separate resonant circuit that has a resonant frequency lower than the antenna circuit. The resonant circuit creates out of phase voltage and current waveforms that enable the switches to operate with (ZVS). | 2016-06-09 |
20160164347 | WIRELESS POWER SUPPLY SYSTEM - A wireless power supply system has a power sending resonance coil, a power receiving resonance coil, and a relay resonance coil. The power sending resonance coil has a predetermined resonance frequency characteristic, and transmits power wirelessly. The power receiving resonance coil has the same resonance frequency characteristic as the power sending resonance coil, and receives power wirelessly with a magnetic field resonance mode generated by synchronization of the resonance frequency. The relay resonance coil has the same resonance frequency characteristic as the power sending resonance coil and the power receiving resonance coil, and relay power from the power sending resonance coil to the power receiving resonance coil wirelessly with the magnetic field resonance mode generated by synchronization of the resonance frequency with them. | 2016-06-09 |
20160164348 | ELECTROMAGNETIC ACTUATOR IN PARTICULAR INTENDED TO DRIVE A TURBOCOMPRESSOR RELIEF VALVE - An electromagnetic actuator is intended in particular to drive a relief valve for a turbo-compressor, the actuator including a fixed member formed by a first magnetic stator circuit made from a material with high magnetic permeability excited by at least one excitation coil, and a moving member made up of a thin part, the magnetised thin part being alongside a second magnetic circuit made from a material with a high magnetic permeability, the moving member being provided with a coupling axle, the fixed and moving members being attracted against one another under the combined magnetic effect of the magnetised part and the excitation coil, the fixed member and the moving member being connected by a mechanical connector with friction of the pure sliding type, the connector being a system, directly incorporated into the actuator, for mechanical damping of the outside disturbances applied to the valve, and the connector having a mechanical friction characteristic of the glued-sliding type dependent on the relative position of the moving and fixed members and on the current flowing in the coil. | 2016-06-09 |
20160164349 | OUTER-ROTOR PERMANENT MAGNET BRUSHLESS MOTOR - An outer-rotor permanent magnet brushless motor is disclosed, which comprises an outer-rotor and an inner-stator. The outer-rotor configured with P poles, P is a natural number and denotes a multiple of 4. The inner-stator has a stator axle, and S teeth which configured on outer surface of stator, S=P−1, S is a natural number. A circle is formed about a center of the stator axle from the center of the outer end surface. A correction angle a1 and an original angle a are defined from the center of the outer end surface. T The ratio of a1/a is defined by the following formula: | 2016-06-09 |
20160164350 | LAMINATE AND METHOD FOR MANUFACTURING THE SAME AND METHOD FOR MANUFACTURING LAMINATED CORE - This disclosure relates to a method for manufacturing a laminate used for manufacturing a laminated core including a circumferential yoke part and a plurality of magnetic pole parts radially extending from the yoke part. This method includes: feeding a metal sheet drawn from a roll thereof to a progressive die; stamping out a plurality of workpieces from the metal sheet in the progressive die, wherein each of the workpiece comprises a temporarily-interlocking portion between adjacent magnetic pole portions; and stacking the workpieces to integrate these workpieces together by the temporarily-interlocking portion to obtain the laminate. | 2016-06-09 |
20160164351 | STATOR CORE FOR AN ELECTRONICALLY COMMUTATED DIRECT CURRENT MOTOR AND METHOD FOR PRODUCING A STATOR - A stator core for an electronically commutated DC motor with an internal rotor having a plurality of radially inwardly directed pole cores which at their periphery are integral with back iron segments and the back iron segments are integral with adjacent back iron segments via webs, wherein the back iron segments alternate with the webs and jointly form a seamless closed one-piece ring. A method of ensuring that in the case of a stator core of this class, upon a reduction of the stator diameter and reduction of the pole distances after winding, a clearly defined end position of the adjoining regions can be assumed, and that for this process, only minimal forces are necessary, in which damage to the stator core is not to be expected, and that at the end of the process only a very small and uniform air gap remains at a lowest possible spring-back. | 2016-06-09 |
20160164352 | ELECTRIC APPARATUS INCLUDING ROTOR, STATOR, AND SHAFT - A generator includes a plurality of magnets defining one of a rotor and a stator, a conductor including a core and a coil, the conductor defining the other of the rotor and the stator, and a shaft to which the stator is fixable. The core has a width inwardly narrowed from an outer edge toward an inner edge along a longitudinal direction of the core. | 2016-06-09 |
20160164353 | Halbach Array Electric Motor with Substantially Contiguous Electromagnetic Cores - Halbach array electric motor with substantially contiguous electromagnetic cores, comprised of rotors and stators usually configured as permanent magnet and electromagnetic Halbach arrays respectively, wherein the enhanced magnetic forces of said Halbach arrays are focused between said rotors and stators. | 2016-06-09 |
20160164354 | Electric Machine with Q-Offset Grooved Interior-Magnet Rotor and Vehicle - A rotating electric machine includes a stator having a stator coil and a rotor provided rotatably around a specific rotation axis with respect to the stator. The rotor includes a plurality of magnets, a plurality of magnetically-assisted salient pole members provided between poles of any adjacent two magnets from among the plurality of magnets, and a magnetoresistance variation unit provided in the magnetically-assisted salient pole member along an axial direction of the rotation axis at a position offset in a circumferential direction of the rotation axis from a q-axis passing through a salient pole center of the magnetically-assisted salient pole member. The amount of offset of the magnetoresistance variation unit from the q-axis varies depending on positions of the magnetically-assisted salient pole members so that torque fluctuations cancel each other when power is applied. | 2016-06-09 |
20160164355 | MULTI-POLE COMPONENT FOR AN ELECTRIC MACHINE - A multi-pole component for an electric machine includes an upper side, a lower side, a first magnetic pole having a surface on the upper side, a second magnetic pole having a surface in a tangential direction adjacent to the first magnetic pole on the upper side and a soft-magnetic device. The soft-magnetic device has a recess between the first magnetic pole and the second magnetic pole. A vertical direction is directed from the upper side to the lower side at right angle to a tangential direction. The first magnetic pole has a permanent magnet with a magnetization in one direction, and the second magnetic pole does not have a permanent magnet. | 2016-06-09 |
20160164356 | A Rotor For An Electric Motor - A rotor suitable for use in an electric motor or generator. The rotor comprises a hub having a central axis, a plurality of rotor segments and permanent magnets, and an assembly for retaining the segments on the hub. The segments are arranged around the hub to define at least two rings, which are adjacent to each other in the axial direction with a permanent magnet disposed between each of the segments in each ring. The assembly includes a plurality of rods which extend in an axial direction to retain the rotor segments. An intermediate plate is located between each ring of segments through which the rods pass, wherein the intermediate plates and the outer circumferential surface of the hub engage with each other in such a way as to allow the intermediate plates to move axially along the hub. | 2016-06-09 |
20160164357 | ROTOR STRUCTURE OF WOUND ROTOR DRIVING MOTOR - A rotor of a wound rotor driving motor is provided. The rotor includes a rotor body that is rotatably installed with a predetermined air gap within a stator and in which a rotor coil is wound in a plurality of rotor teeth. A bobbin is fixed to the rotor body by the rotor coil disposed at opposing sides of an axial direction of the rotor body and supports the rotor coil. The rotor body forms a plurality of air movement passages that are opened to the exterior in an axial direction therein, and the bobbin forms a plurality of connection passage that are coupled to the air movement passages. | 2016-06-09 |
20160164358 | WINDING FOR A ROTATING ELECTRICAL MACHINE AND METHOD FOR DESIGNING SUCH A WINDING - The invention provides a winding ( | 2016-06-09 |
20160164359 | STATOR WINDING PATTERN FOR HAIRPIN DRIVE MOTOR - A stator winding pattern of a hairpin drive motor includes a stator with 8 poles and 48 slots of a distribution winding where a hairpintype of flat coil is inserted into a slot of a stator core and configured by a full pitch winding implementing 6 pitches of 3 phases and 2 in parallel, the pitch being a distance between adjacent slots, characterized in that: first to fourth layers are formed in the slot of the stator core in a radial direction of the stator core; and when a first layer or a fourth layer is set as a draw out part of one phase in an optional reference slot, a first draw out part of a different phase is formed in a draw out slot having 28 pitches in a slot forward direction in a same layer based on the reference slot, and a second draw out part of the different phase is formed in a draw out slot having 20 pitches in a slot reverse direction in the same layer based on the reference slot. | 2016-06-09 |
20160164360 | STATOR WINDING PATTERN FOR HAIRPIN DRIVE MOTOR - A stator winding pattern of a hairpin drive motor includes a stator with 8 poles and 48 slots of a distribution winding where a hairpin-type of flat coil is inserted into a slot of a stator core and configured by a full pitch winding implementing 6 pitches of 3 phases and 2 in parallel, the pitch being a distance between adjacent slots, characterized in that: first to fourth layers are formed in the slot of the stator core in a radial direction of the stator core; and when a first layer or a fourth layer is set as a draw out part of one phase in an optional reference slot, a first draw out of a different phase is formed in a draw out slot having 16 pitches in a slot forward direction in a same layer based on the reference slot, and a second draw out of the different phase is formed in a draw out slot having 32 pitches in the slot forward direction in the same layer based on the reference slot. | 2016-06-09 |
20160164361 | LARGE OUTPUT, HIGH EFFICIENCY, SINGLE PHASE, MULTI-POLAR POWER GENERATOR - Provided is a large output, high efficiency, single phase, multi-polar power generator, the output of which can be increased and the material of which can be reduced in amount, with a simple structure. The power generator has a rotor having m or 2·m (m: an even integer not smaller than 2) magnetic pole portions arranged so as to alternately have different polarities in a circumferential direction, and a stator having m·n (n: 3 or 4) teeth-projecting in such a direction as to be opposed to the rotor, the teeth being formed at equal spaces in a circumferential direction. The stator has m stator coils wound around the teeth at equal intervals in a circumferential direction. Each of the stator coils is wound around adjacent n−1 ones of the teeth. With this structure, the output of the power generator is increased and the material thereof is reduced in amount. | 2016-06-09 |
20160164362 | COIL FOR A COMPRESSOR WHICH CAN BE ELECTRICALLY DRIVEN, AND CORRESPONDING PRODUCTION METHOD - A method for producing a coil of a compressor ( | 2016-06-09 |
20160164363 | CONNECTING DEVICE BETWEEN STATOR WINDING AND CONTROL DEVICE OF AN ELECTRICAL MACHINE - A connecting device having current rails ( | 2016-06-09 |
20160164364 | SPINDLE MOTOR AND DISK DRIVE APPARATUS - A base portion of a spindle motor includes a base portion through hole passing therethrough from an upper surface to a lower surface thereof. Coils include a lead wire drawn out from above the upper surface downwardly from the lower surface through the base portion through hole. A circuit board includes a land portion to which the lead wire is connected. The spindle motor includes an insulation sheet portion configured to cover at least a portion of the base portion through hole and with which the lead wire is arranged to be in contact. A thickness of the insulation sheet portion is greater than a thickness of the land portion. | 2016-06-09 |
20160164365 | SPINDLE MOTOR AND DISK DRIVE APPARATUS - A base portion made of a metal includes an upper surface, a lower surface, and a base portion through hole. An insulation sheet portion is located on the lower surface, and covers at least a portion of the base portion through hole. A lead wire is in contact with the insulation sheet portion. A spindle motor includes a first sealant located in the base portion through hole, and a second sealant which covers at least a portion of the base portion through hole. The first sealant has a coefficient of linear expansion greater than a coefficient of linear expansion of the base portion and smaller than a coefficient of linear expansion of the second sealant. | 2016-06-09 |
20160164366 | Electric Machine - Electric machine having a rotor and a stator with stator coils arranged thereon, a wiring arrangement with a conductor support element and with connection conductors arranged at the latter, which connection conductors are connected to winding ends of the stator coils inside a wiring area. The wiring area is filled with an insulating potting material. The potting material has a cable feedthrough structure in the form of a free space forming a passage through the potting material. | 2016-06-09 |
20160164367 | CLAW ROTOR COMPRISING A CLIP FOR SECURING AN END WIRE OF THE WINDING, AND ASSOCIATED ELECTRICAL MACHINE - A claw pole rotor comprises a shaft, first and second polar wheels fastened to the shaft, a winding provided with a winding insulator and surrounded by the first and second polar wheels, a commutator provided with at least one commutator ring, a fan fastened to the first polar wheel and disposed between the winding and the at least one commutator ring, at least one end-of-winding wire being linked to one of the at least one commutator rings, passing through a radial cavity provided between the fan and the first polar wheel. The winding insulator comprises a clip retaining the one end-of-winding wire. The retaining clip is fastened to the winding insulator and comprising crimping means intended to be disposed in the radial cavity to crimp the part of the end-of-winding wire extending into the radial cavity. | 2016-06-09 |
20160164368 | ELECTRONIC PUMP - An electronic pump includes a second housing, a rotor part, a stator part and a circuit board. A pump chamber is separated by a partition into a wet chamber allowing a working medium to pass through and at least one dry chamber where there is no working medium passing through, and the rotor part is arranged in the wet chamber. The electronic pump further includes a shaft, a sunken portion is formed at a top portion of the partition, and the shaft and a bottom of the sunken portion are fixed by injection molding. A portion where the rotor part is in contact with the shaft is a cooperation portion of the rotor part, and the cooperation portion is arranged in a cavity of the sunken portion. | 2016-06-09 |
20160164369 | MOTOR MOUNTING DEVICE - A motor mounting device having a motor adapter that is formed substantially ring-shaped or pot-shaped and is used to receive a motor, and having a motor mount, which is used to hold the motor adapter, whereby elastic damping elements are disposed between the motor adapter and the motor mount, whereby the damping elements are formed as extruded profiles. | 2016-06-09 |
20160164370 | STEP ACTUATOR - The invention relates generally to a step actuator, in which a lead screw coupled with a screw thread formed in a nut member is installed in a rotor magnet and moves back and forth in an axial direction responding to a rotation of the rotor to transmit power in an axial direction. A cylindrical bearing for rotatably supporting the nut member is disposed at an upper part of the nut member and integrally formed therewith, to fundamentally remove a gap in the axial direction in the coupled area between the cylindrical bearing and the nut member, thereby significantly reducing the feeding error of a rotator in the axial direction when the lead screw moves back and forth in the axial direction, and reducing the number of parts to be assembled to lower the material cost and the labor cost for assembly. | 2016-06-09 |
20160164371 | REDUCING BEARING FORCES IN AN ELECTRICAL MACHINE - A rotary coupling ( | 2016-06-09 |
20160164372 | CONCENTRIC RING GENERATORS - A concentric generator usable with a gas turbine engine having a shaft. Disclosed embodiments include a generator with a rotor integral with the gas turbine shaft and a stator mounted concentrically with respect to the rotor. The stator may be mounted inside the turbine engine housing, or outside the turbine housing. In some embodiments, both the rotor and stator are mounted outside the turbine housing and rotation of the turbine shaft is translated to the rotor via a transmission. | 2016-06-09 |
20160164373 | AUTOMOBILE ROLLER-TYPE POWER GENERATING DEVICE - An automobile roller-type power generating device installed at the bottom of a vehicle body includes: a roller pivotally coupled to a camshaft and having a notch; a push slider having an arc bottom and installed in the notch of the roller, and the notch being in a shape corresponsive to the push slider and slightly greater than the push slider to allow the push slider to slide up and down; and a power generating mechanism installed above the pushrod. When the motor vehicle moves to roll the roller, the arc bottom presses the ground and slides into the roller to allow the push slider to slide up and down to transmit kinetic energy to the power generating mechanism, and the power generating mechanism converts the kinetic energy into electric energy to achieve the effect of generating power generation and storing electric energy into the battery. | 2016-06-09 |
20160164374 | ROTOR OF WOUND ROTOR DRIVING MOTOR - A rotor of a wound rotor driving motor includes: a rotor body that is rotatably installed at a predetermined air gap at an inside of a stator and in which a rotor coil is wound in a plurality of rotor teeth; and an end coil cover that is mounted at each of both sides of an axial direction of the rotor body in order to prevent the rotor coil from separating, where the rotor body forms a plurality of air movement passages that are open to the outside in an axial direction, and the end coil cover forms a plurality of connection passages that are connected to the air movement passage. | 2016-06-09 |
20160164375 | Air Flow System For An Enclosed Portable Generator - An airflow system for an enclosed portable generator is provided that efficiently cools internal components by collecting an airflow and directing the entire airflow past a heat generating component such as an inverter module assembly before releasing the airflow in an unrestricted manner into an open interior space of the portable inverter generator. The airflow system includes an intake plenum system with a plenum body configured to collect and concentrate a volume of air as an intake airflow and to damp sound emission from a front side of housing of the generator. | 2016-06-09 |
20160164376 | COOLING SYSTEM OF ELECTRIC MOTOR WITH FAN - A cooling system of an electric motor with a fan, including a fan configured to generate fluid flow for cooling the electric motor, and a duct forming a flow channel for guiding a fluid flow generated by the fan, includes at least one hole provided in the duct. | 2016-06-09 |
20160164377 | Motor Cooling System - A motor assembly with an integrated cooling system is provided in which a coolant (e.g., oil) is injected into a hollow region of the rotor shaft. The coolant is expelled out of the rotor shaft and into the motor enclosure via multiple thru-holes, thereby allowing efficient cooling of both the stator and the rotor assemblies. | 2016-06-09 |
20160164378 | Motor Cooling System - A motor assembly with an integrated cooling system is provided in which a coolant (e.g., oil) is injected into a hollow region of the rotor shaft. The coolant is expelled out of the rotor shaft and into the motor enclosure via multiple thru-holes, thereby allowing efficient cooling of both the stator and the rotor assemblies. | 2016-06-09 |
20160164379 | Magnetostatic Voltage/Current Limiting System for Wind Turbine Generator Comprising the Same - A magnetic voltage/current limiting system is mounted in conjunction with a main coil, in a coil assembly of a wind turbine generator, for limiting the outputted voltage (or current) to a predetermined upper value. The limiting system generally comprises at least one limiting coil and a control circuit connected to the main coil. The limiting system is configured to be activated when the voltage (or current) outputted by the main coil increases beyond the predetermined upper value. Once activated, the limiting system diverts a portion of the outputted current to the limiting coil such as to generate a magnetic field in the limiting coil. This additional magnetic field generally limits the amount magnetic field generated by passing magnets to flow through the main coil, thereby limiting the outputted voltage. | 2016-06-09 |
20160164380 | ELECTRIC MACHINE HAVING A POTENTIAL EQUALIZATION DEVICE - An electric machine having a stator ( | 2016-06-09 |
20160164381 | DYNAMIC SEALING ENCODER ASSEMBLY - 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. | 2016-06-09 |
20160164382 | POSITION FEEDBACK FOR SEALED ENVIRONMENTS - A transport apparatus including a housing, a drive mounted to the housing, and at least one transport arm connected to the drive, where the drive includes at least one rotor having at least one salient pole of magnetic permeable material and disposed in an isolated environment, at least one stator having at least one salient pole with corresponding coil units and disposed outside the isolated environment where the at least one salient pole of the at least one stator and the at least one salient pole of the rotor form a closed magnetic flux circuit between the at least one rotor and the at least one stator, at least one seal partition configured to isolate the isolated environment, and at least one sensor including a magnetic sensor member connected to the housing, at least one sensor track connected to the at least one rotor where the at least one seal partition is disposed between and separates the magnetic sensor member and the at least one sensor track so that the at least one sensor track is disposed in the isolated environment and the magnetic sensor member is disposed outside the isolated environment. | 2016-06-09 |
20160164383 | ENCODER AND MOTOR WITH ENCODER - An encoder includes an absolute pattern, a light source, and a plurality of light reception elements. The absolute pattern is disposed in a measurement direction. The light source is configured to emit light to the absolute pattern. The plurality of light reception elements are arranged in the measurement direction and configured to receive the light emitted from the light source and transmitted through or reflected by the absolute pattern. The plurality of light reception elements include at least one first light reception element having an edge in the measurement direction. The edge is inclined relative to a width direction perpendicular to the measurement direction. | 2016-06-09 |
20160164384 | STATOR WINDING THERMAL PROTECTOR SUPPORT - 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. | 2016-06-09 |
20160164385 | TOOL FOR MAKING GENERATOR BARS - A tool for shaping generator bars for large power generators. In particular, a tool for shaping a stator bar out of a straight unprocessed bar. | 2016-06-09 |
20160164386 | DOUBLE-STATOR ROTATING ELECTRIC MACHINE - A double-stator rotating electric machine includes a rotor, an outer stator having an outer multi-phase coil wound thereon, and an inner stator having an inner multi-phase coil wound thereon. Each corresponding pair of phase windings of the outer and inner multi-phase coils are formed of at least one common electric conductor wire. The electric conductor wire includes a bridging portion that bridges the corresponding pair of phase windings of the outer and inner multi-phase coils across the rotor. The bridging portion extends obliquely with respect to both radial and circumferential directions of the rotor so that radially outer and radially inner ends of the bridging portion, which are respectively connected to the corresponding pair of phase windings of the outer and inner multi-phase coils, are circumferentially offset from each other by an offset angle θ. The offset angle θ is greater than 0° and less than 180° in electrical angle. | 2016-06-09 |
20160164387 | BASKET-TYPE ROTOR PRODUCTION METHOD AND BASKET-TYPE ROTOR - A squirrel-cage rotor manufacturing method capable of suppressing, at the time of performing die-casting, formation of gaps between closing portions and a rotor core at radially outer parts of rotor slots, or generation of a thermal stress in the rotor core as a result of expansion of the closing portions. The squirrel-cage rotor manufacturing method includes: arranging, through die-casting, conductors into rotor slots that are formed along a radially outer part of a rotor core; and performing the die-casting under a state in which radially outer parts of the rotor slots are closed with closing portions made of the same material as a material of the rotor core. | 2016-06-09 |
20160164388 | BRUSH-COMMUNICATED DIRECT-CURRENT MOTOR - A brush-commutated direct-current motor comprises a stator which is fitted with a plurality of field poles, a rotor which can rotate in relation to the stator about a rotation axis and which has a plurality of pole teeth, a plurality of windings, wherein a plurality of windings are arranged on each pole tooth, a commutator which is arranged on the rotor and has a plurality of lamellas, wherein each winding is connected to one of the lamellas by means of a first winding arm and is connected to another of the lamellas by means of a second winding arm, and a plurality of short-circuiting links which each electrically connect two windings to one another and to this end are each arranged on at least two lamellas of the commutator. The plurality of windings of the plurality of pole teeth are formed by a plurality of wire turns. | 2016-06-09 |
20160164389 | ELECTRIC MOTOR COMBINED WITH POWER GENERATOR USING COIL PLATE HAVING SEPARATE COIL BODIES AND RECIPROCATING MAGNET PLATE HAVING SEPARATE MAGNETS - Provided is an electric motor combined with a power generator comprising: a fixed coil plate in which separate coil bodies are uniformly arranged; and a reciprocating magnet plate in which separate magnets are uniformly arranged. The installation location of the electric motor combined with a power generator is not restricted by linearly or rotationally moving equipment. In addition, the electric motor combined with a power generator enables coils and magnets to be regularly and closely arranged in the coil plate and the magnet plate, thereby minimizing loss of the locomotive force. Furthermore, when performing a reciprocating movement to which an inertial force is added, the electric motor combined with a power generator enables electric current to be instantly broken and converted and supplied by sensing of sensors, while implementing a strong reciprocating movement due to an increase of speed by means of the compression and repulsive force of a spring. | 2016-06-09 |
20160164390 | POWER GENERATOR, POWER GENERATOR SET AND POWER GENERATION SYSTEM - A power generator | 2016-06-09 |
20160164391 | LINEAR MOTOR - A linear motor includes a base, a stator positioned on the base, a mover positioned in the stator and configured to move relative to the stator. The base defines a cooling passage being air communicating with outer environment for flowing fluid. | 2016-06-09 |
20160164392 | LINEAR MOTOR - A linear motor includes a base, a stator positioned on the base, a mover positioned in the stator and configured to move relative to the stator, and two air guiding devices. The stator has two opposite openings. Each air guiding device is positioned adjacent to one respective opening to speed up an air circulation in the stator for cooling. | 2016-06-09 |
20160164393 | LINEAR MOTOR - A linear motor includes a stator and a mover coupled to the stator. The stator includes a stator body and at least one guiding portion protruding from the stator body. The mover includes a mover body and at least one sliding portion protruding from the mover body. The at least one sliding portion defines a receiving groove. The at least one guiding portion is received in the receiving groove. A gap is defined between the at least one guiding portion and the at least one sliding portion. The mover defines at least one air inlet hole communicating with the gap and configured to inject air into the gap. | 2016-06-09 |
20160164394 | Electropermanent Magnet-based Motors - An electropermanent linear actuator has a stator, forcer, drive circuitry, and feedback control mechanism. The stator includes at least one electropermanent magnet with a coil that passes current pulses that change the magnetization of the magnet, which change persists after current is removed. The forcer moves with respect to the stator in response to the persistent changes in magnetization. Drive circuitry controls the position or speed of the actuator by controlling the timing, magnitude, and/or shape of the current pulses. The voltage and duration of pulses are of sufficient magnitude to cause the magnetization change to persist after cessation of current, with voltage and current returning substantially to zero between pulses. The feedback control mechanism determines, based on actuator velocity or position, when the next current pulse should be issued, pulse issuance being timed so that the actuator will continue to move throughout the absence of applied current between pulses. | 2016-06-09 |
20160164395 | CONTROLLED MOTION SYSTEM HAVING END TEETH TO FACILITATE THE FORMATION OF A MAGNETIC FLUX BRIDGE JOINING LINEAR MOTOR SECTIONS - A linear controlled motion system include a track formed from one or more track sections and having at least one mover mounted to the track and effective for receiving articles at one location and transporting the articles to another location. The system includes at least one magnetic linear motion motor for providing a magnetic field effective for moving each mover in a controlled motion along the track and a magnetic flux bridge for reducing changes in the magnetic flux that reduces the efficiency or interferes with the operation of the controlled motion system. The ends of each track section of the magnetic linear motion motor may include end teeth that have a small recess in the top portion thereof. The recesses may be sized to fit the lip of a cover placed over the track section so that the ends of each track section form substantially smooth and planar surfaces that may be joined together to substantially eliminate any air gap between the joined track sections. | 2016-06-09 |
20160164396 | ADAPTIVE CONTROLLER BASED ON TRANSIENT NORMALIZATION - A controller is provided for controlling a power stage of a power converter according to a control law, the control law implementing a specific type of compensator and being pre-designed to generate an objective response of a default power converter for a default parameter value of a component of the power stage. The controller is further configured to determine an actual response for an actual parameter value of the component of the power stage and to alter the control law for the actual parameter value of the component of the power stage such that the actual response matches the objective response. The controller determines a degree of matching between the actual response and the objective response by filtering the actual response to generate a filtered actual response and integrating a product of the filtered actual response and a delayed actual response. | 2016-06-09 |
20160164397 | ADAPTIVE BJT DRIVER FOR SWITCHING POWER CONVERTER - A flyback converter is provided that includes a base driver for driving a base current into a base of a BJT power switch. The base driver is controlled so as to adaptively vary the base current across at least some of the pulses. | 2016-06-09 |
20160164398 | SEMICONDUCTOR DEVICE - A method of controlling a power supply to a semiconductor device including a first region having a high-side drive circuit, a second region having a signal processing circuit, a low-side drive circuit and a voltage control circuit, and a separation region formed between the first and second regions and having a rectifying element, includes turning on a first control signal to the voltage control circuit, turning off the first control signal to the voltage control circuit, and repeating the turning on of the first control signal and the turning off the first control signal. | 2016-06-09 |
20160164399 | MULTILEVEL CONVERTER FOR POWER FACTOR CORRECTION AND ASSOCIATED OPERATING METHOD - A method operates a multilevel converter for power factor correction of a polyphase mains voltage. Each phase of the polyphase main has an associated phase module with a plurality of sub modules which are connected in series and each have an electrical energy store. Each sub module can be connected to the phase of the mains voltage or disconnected there from by an electronic switch. A circuit breaker is provided for disconnecting the converter from the mains voltage. The converter has a regulation system by which the voltages of the phase modules are balanced when the circuit breaker is open. | 2016-06-09 |
20160164400 | DIGITAL STRESS SHARE AUTO-ZERO SCHEME - The present application relates to power converters, particularly switch mode power converters sharing a load in which the converters are operated to share stresses between them. The application provides a controller ( | 2016-06-09 |
20160164401 | CHARGE PUMP CIRCUIT FOR PROVIDING VOLTAGES TO MULTIPLE SWITCH CIRCUITS - A charge pump circuit generates a charge pump voltage that powers a bias circuit. The bias circuit generates a reference current and generates switch currents from the reference current. Gate-source voltages are generated from the switch currents and applied to switching components of switch circuits to connect two nodes. The gate-source voltages can be generated in the bias circuit and provided to the switch circuits. The gate-source voltages can also be generated in the switch circuits. | 2016-06-09 |
20160164402 | FAIL-SAFE INTERFACE - A fail-safe interface circuit arranged to provide an inverter enable input to drive an inverter, the circuit being supplied by a first voltage and comprising: a charge pump comprising a charge pump input and a charge pump output, the charge pump output being coupled to a circuit output; and a pulsed input arranged to supply pulsed power to the charge pump input; wherein the charge pump output is arranged to produce a second voltage distinct from the first voltage only when the pulsed input is supplying pulsed power to the charge pump input, and wherein the circuit output is arranged to provide the inverter enable input when the second voltage is produced at the charge pump output. | 2016-06-09 |
20160164403 | CHARGE PUMP CIRCUIT - A charge pump circuit includes a sub-circuit, which is a pumping stage circuit or an output stage circuit. The sub-circuit includes an input terminal, an output terminal, a transistor, a first capacitive device, a first diode device, and a second diode device. The transistor has a first source/drain (S/D) terminal coupled with the input terminal, a second S/D terminal coupled with the output terminal, and a gate terminal. The first capacitive device has a first end coupled with the gate terminal of the transistor and a second end configured to receive a first driving signal. The first diode device has a cathode coupled with the second S/D terminal of the transistor and an anode coupled with the gate terminal of the transistor. The second diode device has a cathode coupled with the gate terminal of the transistor and an anode coupled with the second S/D terminal of the transistor. | 2016-06-09 |
20160164404 | COLD START DC/DC CONVERTER - A DC/DC converter comprising a first charge pump circuit including first MOS transistors including first depletion MOS transistors, an oscillating circuit connected to the charge pump circuit only at the gates of some at least of the first MOS transistors, including the first depletion MOS transistors. | 2016-06-09 |
20160164405 | HIGH-SPEED RESISTOR-BASED CHARGE PUMP FOR ACTIVE LOOP FILTER-BASED PHASE-LOCKED LOOPS - Techniques are described for increasing the speed of a resistor-based charge pump for an active loop filter-based phase-locked loop (PLL). The techniques may include placing a low-resistance discharge path between respective nodes of a current source and sink in a charge pump, and selectively activating the low-resistance discharge path when the charge pump is turned off. The low-resistance discharge path may have a resistance that is lower than the resistance of other current paths between the respective nodes in the charge pump (e.g., current paths formed by the resistors included in the current source and sink of the charge pump), thereby reducing the amount of time needed to reset the charge on the respective nodes when the charge pump is turned off. In this way, the speed of a resistor-based charge pump may be increased, thereby allowing the overall speed of an active filter-based PLL to be increased. | 2016-06-09 |
20160164406 | VOLTAGE PROTECTING CIRCUIT - Voltage protecting circuit includes a sensing unit coupled to a power adaptor, a control circuit board for controlling the power adaptor, and a switching unit coupled to the sensing unit and the control circuit board. The sensing unit senses a current voltage of the power adaptor; the control circuit board receives the current voltage of the power adaptor when the switching module is switched on. The control circuit board controls the power adaptor to supply a power voltage when the current voltage of the power adaptor is less than a reference voltage. When the sensing unit receives the power voltage, the switching unit is switched off for preventing the power voltage from flowing into the control circuit board. | 2016-06-09 |
20160164407 | Method of Current Compensation Based on Division-Sigma Control for DC/DC Converter - A method is provided for current compensation. The method is based on division-sigma (D-Σ) control for a DC/DC converter. Inductance changes are allowed with D-Σ digital control achieved. Loop gain can be quickly adjusted. The disadvantage of average current-mode control (ACMC) is solved, where the disadvantage is a reduction of the response speed caused by the filter within the current loop. The present invention uses midpoint current sampling to ensure taking an average inductor current value in each switching cycle. By doing so, a lack of fidelity of peak current-mode control (PCMC) is solved, where the lack of fidelity is due to the amount of error value between the peak value and the average value. Besides, the present invention uses a table of the inductance following current changes to achieve compensation of duty cycle ratio, where the table is built in a single chip. | 2016-06-09 |
20160164408 | CONSTANT-VOLTAGE AND CONSTANT-CURRENT BUCK CONVERTER AND CONTROL CIRCUIT - A control circuit is provided for a buck converter that includes at least an inductor coupled to an output of the buck converter. The control circuit includes a power switch configured for coupling to a line voltage and configured for charging the inductor, an input line voltage sampling circuit, and a constant-voltage (CV) and constant-current (CC) control module coupled to the power switch. During a charging period of the inductor, the CV and CC control module is configured to control the power switch to provide a constant output current by maintaining a constant peak inductor current, even when the input line voltage changes. During a discharging period of the inductor, the CV and CC control module is configured to monitor the sensed output voltage to control the power switch to provide a constant output voltage. | 2016-06-09 |
20160164409 | CURRENT FEEDBACK AND OFFSET VOLTAGE CANCELLATION FOR DC-DC CONVERTER - Embodiments of current feedback circuits for Direct Current (DC)-DC converters and methods for operating current feedback circuits for DC-DC converters are described. In one embodiment, a current feedback circuit for a DC-DC converter includes a current replication circuit configured to provide current feedback to the DC-DC converter based on an on-time of the DC-DC converter and an alternating current (AC)-coupling circuit configured to add the current feedback to a regulation circuit of the current feedback circuit and to remove a DC voltage from the current replication circuit. The regulation circuit includes a filter circuit configured to compensate for an offset of an output voltage of the DC-DC converter caused by the current feedback. Other embodiments are also described. | 2016-06-09 |
20160164410 | HIGH EFFICIENCY DC-TO-DC CONVERTER - A power converter is described herein. The power converter may be configured to enable a high-side switch when a resonating voltage at a switching net coupled between the high-side switch and a low-side switch reaches a maximum voltage while the power converter operates in a discontinuous current mode. The power converter may sample the resonating voltage at the switching net at a time when the high-side switch is enabled and compare the sampled voltage with a previously-sampled voltage of the switching net. A frequency of an oscillating signal that drives the activation of the high-side switch is periodically adjusted based on the comparison, which causes the high-side switch to be enabled at different times with respect to the resonating voltage. The frequency of the oscillating signal is continuously adjusted such that the high-side switch is enabled at time(s) where the resonating voltage reaches (or is near) its maximum voltage. | 2016-06-09 |
20160164411 | PEAK-BUCK PEAK-BOOST CURRENT-MODE CONTROL FOR SWITCHED STEP-UP STEP-DOWN REGULATORS - A peak-buck peak-boost current mode control structure and scheme for a synchronous four-switch and non-synchronous two-switch buck-boost regulators sense input and output voltages to smoothly transition between buck mode, buck-boost mode, and boost mode for high power efficiency and low output ripples. With the inductor current sensing, the control scheme achieves the best performance in continuous conduction and discontinuous condition mode operations. | 2016-06-09 |
20160164412 | CURRENT MODE SWITCHING POWER SUPPLY HAVING SEPARATE AC AND DC CURRENT SENSING PATHS - In a current mode switching power supply, current through the inductor needs to be sensed to control the peak current. The inductor current includes a DC component and an AC component containing switching noise. To reduce the switching noise, the actual inductor current is sensed to generate a signal, and a first AC component is attenuated by a first RC circuit while not attenuating a first DC component. A second AC component is derived by applying the rectangular wave switch voltage, which is at the duty cycle of the regulator, to a second RC filter, which blocks a second DC component. The second AC component is much larger than the first AC component and does not contain switching noise. The large second AC component, the smaller “noisy” first AC component, and the first DC component are applied to the first RC circuit to create a low-noise inductor current signal. | 2016-06-09 |
20160164413 | SEMICONDUCTOR DEVICE AND POWER CONVERSION DEVICE - Provided is a semiconductor device which drives a power semiconductor device, in which dead times generated when switch elements of upper and lower arms are turned on and off are minimized, and a loss of a power conversion device is reduced. A semiconductor device used in a power conversion device that includes a first switch element of which the drain is connected to a first power source voltage and a second switch element of which the source is connected to a second power source voltage includes a first drive circuit that drives the first switch element, a second drive circuit that drives the second switch element, a first level shift circuit, and a second level shift circuit. The first drive circuit is connected to a third power source voltage higher by a predetermined potential with respect to a source potential of the first switch element and the source potential of the first switch element. The second drive circuit is connected to a fourth power source voltage higher by a predetermined potential with respect to the second power source voltage and the second power source voltage. Power source potentials input to the first level shift circuit and the second level shift circuit are the third power source voltage and the second power source voltage. | 2016-06-09 |
20160164414 | MULTI-PHASE INTERLEAVED CONVERTER WITH AUTOMATIC CURRENT-SHARING FUNCTION AND CONTROL METHOD THEREFOR - A multi-phase interleaved converter can include: (i) a plurality of phases, where each phase of the multi-phase interleaved converter includes a buck-type power stage having a power switch, a freewheeling switch and an inductor, a switching control circuit and a reference signal generator, and where each switching control circuit includes: (ii) an adder that receives a ramp signal and a feedback signal that represents an output voltage, and generates a feedback voltage signal; (iii) a comparator that receives the feedback voltage signal and a reference voltage signal, and generates a comparator output signal; and (iv) a logic circuit that receives the comparator output signal and an output from an on time control circuit, and controls a switching operation of the power switch. | 2016-06-09 |
20160164415 | SWITCHING POWER SUPPLY DEVICE - A switching power supply device includes a slope compensation circuit configured to start slope compensation for suppressing subharmonic oscillation in accordance with a timing signal from an oscillation circuit. The oscillation circuit is provided with a first circuit, which generates a signal of a fundamental oscillation frequency, and a second circuit, which applies logic processing to the signal of the fundamental oscillation frequency to form the timing signal. Thus, it is possible to provide a switching power supply device in which a variation in a start timing of slope compensation can be suppressed. | 2016-06-09 |
20160164416 | CONSTANT ON TIME SWITCHING CONVERTER WITH DC CALIBRATION - A reference compensating circuit used in a COT control circuit. The reference compensating circuit has an error amplifier, a first current sink, a resistor, a second current sink, a current source and a capacitor. The error amplifier amplifies the difference between a reference signal and a feedback signal and generates an error signal. Based on the error signal, the first current sink generates a current flowing out from a node of the reference compensating circuit. The resistor receives the reference signal at one terminal. The other terminal of the resistor is coupled to the node. The second current sink sinks a current from the node intermittently. The current source sources a current into the node. The capacitor is coupled between the node and a ground to provide a calibrated compensation reference signal to the COT control circuit. | 2016-06-09 |
20160164417 | DC-DC CONVERTER MODULE - A DC-DC converter module includes a module substrate on which switching transistors and a controller IC chip are mounted, stud terminals mounted on a surface of the module substrate, and an inductor attached to the stud terminals such that the inductor faces the module substrate. In a plan view, the switching transistors are arranged within an area where the inductor overlaps the module substrate, whereas at least a portion of the controller IC chip is arranged outside the area. | 2016-06-09 |
20160164418 | LLC BALANCING - A converter arrangement with at least two single LLC converters, a pulse generator per single LLC converter wherein each pulse generator is configured to supply switching pulses to one single LLC converter and an output controller configured to use switching frequency control and/or phase-shift control to control the pulse generators comprises a load balancing control for overcoming unbalanced loading of the converter arrangement. | 2016-06-09 |
20160164419 | PROGRAMMING OF A TWO TERMINAL DEVICE - A two-terminal device that is configured to respond to a voltage modulation of an input signal received through the two terminals by triggering an action. The two-terminal device is further configured to verify a result of the triggered action by modulating a current driven through the two termi+6nals. | 2016-06-09 |
20160164420 | ADAPTIVE REFERENCE VOLTAGE FOR SWITCHING POWER CONVERTERS - A switching power converter is provided that detects an activity signal generated in response to load activity using an adaptively-declining threshold. | 2016-06-09 |
20160164421 | REGULATION OF THE POWER SUPPLY VOLTAGE FOR A FLYBACK CONVERTER CONTROLLER - A switching power converter is provided that includes a detector to detect whether a controller power supply voltage has fallen below a threshold voltage during a dormant period in which a power switch is no longer cycling to deliver power to a load. In response to a detection of such a threshold crossing by the detector, a controller powered by the controller power supply voltage is configured to cycle the power switch to replenish the controller power supply voltage. | 2016-06-09 |
20160164422 | MAGNETIC SENSING TECHNIQUE FOR POWER SUPPLY SYSTEMS - One embodiment includes a power supply system including a transformer comprising a primary, secondary, and auxiliary winding that are magnetically coupled. The system also includes a switch stage that generates a current through the primary winding in response to activation of a switch based on a control signal that is generated based on a feedback voltage associated with the auxiliary winding. The current can be induced in the secondary winding. The system also includes an output stage coupled to the secondary winding and that generates an output voltage based on the current induced in the secondary winding. The system further includes a feedback stage coupled to the auxiliary winding and comprising a discriminator configured to determine a zero-current condition associated with the current induced in the auxiliary winding based on monitoring a change in slope of the feedback voltage and to measure the feedback voltage during the zero-current condition. | 2016-06-09 |
20160164423 | Quasi-Resonant Magnetron Power Supply - A power supply comprises at least one input to couple the power supply to a power source. The power supply also comprises at least one switched-mode power circuit configured to extract electrical energy from the power source, the electrical energy to be transferred to a load. The power supply additionally comprises at least one control module coupled between the at least one input and the at least one switched-mode power circuit. The control module is configured to control operation of the switched-mode power circuit to regulate a voltage-to-current ratio at the at least one input of the power supply. | 2016-06-09 |
20160164424 | METHOD AND APPARATUS FOR INTEGRATED CABLE DROP COMPENSATION OF A POWER CONVERTER - A controller for a power converter includes a switching control circuit to output a drive signal to control switching of a switch to regulate the output power of the power converter, and output a switching signal representative of the drive signal. A cable drop compensator receives the switching signal, and outputs a compensated reference voltage signal to the switching control circuit. The cable drop compensator further includes a switching coefficient calculator to output a switching coefficient signal in response to the switching signal. The switching coefficient signal is representative of a ratio of a load current to a maximum deliverable load current. A voltage compensation calculator outputs the compensated reference voltage signal in response to the switching coefficient signal. The switching control circuit outputs the drive signal in response to the compensated reference voltage signal. | 2016-06-09 |
20160164425 | SWITCHING POWER SOURCE DEVICE, METHOD OF CONTROLLING SWITCHING POWER SOURCE DEVICE, AND CIRCUIT FOR CONTROLLING SWITCHING POWER SOURCE DEVICE - A switching power source device according to one aspect of the present invention is a current-resonant DC-DC converter, and includes a control integrated circuit having an oscillation circuit that determines a switching frequency of switching elements and a burst control circuit that controls a burst operation in the standby mode, as well as an output voltage detecting unit connected to a secondary side of a transformer to detect an output voltage. The switching frequency of the switching element is determined by the oscillation circuit by the smaller of a first frequency control voltage generated from a voltage of an auxiliary coil disposed in the primary side of the transformer and a second frequency control voltage corresponding to the output voltage, and the burst control circuit generates the first frequency control voltage that gradually increases or decreases in accordance with the voltage of the auxiliary coil. | 2016-06-09 |