| 09th week of 2016 patent applcation highlights part 72 |
| Patent application number | Title | Published |
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| 20160065028 | MOTOR AND POWER TRANSMISSION APPARATUS INCLUDING THE SAME - Disclosed is a motor including a housing, a stator arranged in the housing, a rotor unit arranged in the housing to rotate with the stator unit, and a rotating shaft rotating along with the rotor unit, wherein the housing includes a first housing in which the stator unit and the rotor unit are arranged, a second housing in which one end of the rotating shaft is arranged, and a third housing connected with the second housing. | 2016-03-03 |
| 20160065029 | OUTER ROTOR TYPE BRUSHLESS MOTOR - A brushless motor is provided with: a shaft; a rotor; a stator; a cylindrical oil-retaining bearing; a bearing holding part; an attraction magnet disposed at a position facing one end of the shaft and configured to attract the shaft by a magnetic force; and a thrust plate disposed between the attraction magnet and the one end of the shaft, wherein a magnet holder made of a magnetic material is formed integrally to the bearing holding part, the magnet holder being installed with the attraction magnet, and wherein a side of the magnet holder, on which the attraction magnet is installed, is covered by a material for forming the bearing holding part, except for an installation surface on which the attraction magnet is installed, or for a proximity of the installation surface. | 2016-03-03 |
| 20160065030 | ELECTRIC DRIVE DEVICE AND ELECTRIC POWER STEERING DEVICE - In construction of an electric drive device such as an electric power steering device or the like, there is employed a cylindrical metal housing that has therein in order first, second, third and fourth spaces coaxially arranged to respectively house therein a power circuit part, a power conversion circuit part, a control circuit part and an electric motor, a circular heat transfer metal substrate is arranged in the cylindrical metal housing between the first and second spaces and the circular heat transfer metal substrate has a cylindrical outer wall that is in contact with a cylindrical inner surface of the cylindrical metal housing, one flat surface to which a basal metal plate of the power circuit part is intimately connected and another flat surface to which a basal metal plate of the power conversion circuit part is intimately connected. | 2016-03-03 |
| 20160065031 | Motor and Female Connector - A motor is provided with a circuit board that is connected to a coil of a stator. A male connection portion is formed in part of the outer periphery of the circuit board. A casing accommodates the circuit board. The male connection portion is exposed to the outside from an opening formed in the casing. A female connector is connected to a cable and is able to engage with the male connection portion. | 2016-03-03 |
| 20160065032 | Flywheel Rotor - A solid steel flywheel rotor having improved material properties offers improved energy storage at reduced cost. A process for manufacturing the rotor is also provided. | 2016-03-03 |
| 20160065033 | GEARED MOTOR AND DAMPER DEVICE - A geared motor may include a first case member, a support member disposed on one side in a motor axial line direction with respect to the first case member and connected with the first case member, a stator in a tube shape disposed between the first case member and the support member, a rotor disposed on an inner side with respect to the stator, a rotor support shaft rotatably supporting the rotor, and a gear train structured to transmit rotation of the rotor. The first case member may be provided with a radial direction positioning part which positions the stator in a radial direction and a first support part for the rotor support shaft which supports an end part on the other side in the motor axial line direction of the rotor support shaft. | 2016-03-03 |
| 20160065034 | POWER GENERATOR UTILIZING FLUID FLOW AROUND AN AIRFOIL - A power generating apparatus may use fluid flow which may include intermittent fluid flow. Such a power generating apparatus may harness electric power from intermittent wind sources but may also be deployed in near constant winds. The apparatus includes airfoils that are pivotally attached to vertical supports. The supports are attached to power generating devices. As wind blows, the airfoils lift upward relative to the horizontal. The motion may be transferred by actuating a hydraulic cylinder. This motion pressurizes the cylinder and the pressurized hydraulic fluid may later be transferred into electric power via a hydraulic generator. The upward motion may also be transferred to a permanent magnet alternator. | 2016-03-03 |
| 20160065035 | ROTARY ELECTRIC MACHINE - A rotary electric machine is installed such that a central axis of a rotating shaft is horizontal, and coolant suction apertures are formed at positions on a cylindrical portion of a frame that are vertically above first and second coil ends, and strip-shaped insulating papers are inserted such that a thickness direction is in a radial direction between radially adjacent conductor portions of portions of the conductor wire that constitute the first and second coil ends, and are disposed so as to extend circumferentially across positions that are vertically below the coolant suction apertures inside the first and second coil ends. | 2016-03-03 |
| 20160065036 | WIND TURBINE - A wind turbine includes a generator having a generator cooling system configured for passage of a cooling fluid, and a gear unit including a gear unit cooling system configured for passage of a cooling fluid. The gear unit cooling system includes a recooling unit which is configured to transmit during normal operation of the wind turbine thermal energy from the cooling fluid of the gear unit cooling system to air inside the generator or to the cooling fluid of the generator cooling system. | 2016-03-03 |
| 20160065037 | ELECTRONIC FLUID PUMP FOR A MOTOR VEHICLE - An electronic vehicle fluid pump includes an electronically commutated drive motor. The electronically commutated drive motor includes an electronic motor control unit which includes a first main board, a second main board, at least one flexible conduction band, at least one intermediate board arranged between the first main board and the second main board and electrically connected with the first main board and the second main board via the at least one flexible conduction band, and at least one electronic component arranged on the at least one intermediate board. The first main board, the second main board, and the at least one intermediate board are respectively arranged at a different spatial level. | 2016-03-03 |
| 20160065038 | DRIVING MODULE FOR VEHICLES - A driving module for vehicles includes a vehicle driving motor, a case configured to accommodate the vehicle driving motor and a gear device transmitting rotary force of the vehicle driving motor to axles, a vehicle interior air conditioning compressor mounted on the case, and an integrated control module mounted on the case and including a first power conversion device to drive the vehicle driving motor and a second power conversion device to drive the vehicle interior air conditioning compressor, the first and second power conversion devices being integrated into the integrated control module, thus having a compact and lightweight structure and minimizing the number of parts. | 2016-03-03 |
| 20160065039 | Spring Post for Brush Card for a Power Tool - An electric motor is provided including a stator and an armature rotatably received within the stator, the armature having an armature shaft on which a commutator is mounted. The motor also includes a brush assembly having a brush card mount disposed around the commutator, a brush holder mounted on a surface of the brush card mount, and a brush disposed within the brush holder in sliding contact with the commutator to supply electric current to the commutator. A torsion spring is secured to the brush card mount adjacent the brush holder, the spring having a leg arranged to engage the back surface of the brush. A spring stop post is disposed proximate an outer periphery of the brush card mount to limit an outward movement of the leg of the spring away from the back surface of the brush. | 2016-03-03 |
| 20160065040 | METHOD AND APPARATUS FOR MANUFACTURING LAMINATED IRON CORE - A method of manufacturing a laminated iron core includes extruding resins from a plurality of plungers toward a plurality of through holes extending from an upper surface to a lower surface of a laminated body formed of a plurality of electromagnetic steel plates to fill the plurality of through holes with the resins. The plurality of plungers are mutually independent and an extrusion amount of the resin is controlled for each plunger. | 2016-03-03 |
| 20160065041 | ELECTRIC MOTOR WITH PLURAL STATOR COMPONENTS - An electric motor apparatus comprises a rotor and a stator formed of at least two stator components, each of the at least two stator components having a substantially hollow cylindrical form. The rotor is mounted within the at least two stator components on a rotational mounting such that the rotor can rotate about a longitudinal central axis with respect to the stator. Each of the at least two stator components has at least two protrusions arranged at different circumferential points on an inner surface of the at least two stator components. Each protrusion has a winding mounted thereon. Control circuitry generates control signals to control power supplied to the windings on each stator component such that power can be controlled to each stator component independently. The stator components are mounted adjacent to each other along the longitudinal central axis and rotationally offset with respect to each other such that the two protrusions on one of the stator components are offset with respect to the protrusions on an adjacently mounted stator component, such that a portion of each winding that extends beyond a longitudinal end of the protrusions on one of the stator components fits within a gap between windings mounted on the adjacently mounted stator component. | 2016-03-03 |
| 20160065042 | STEP MOTOR - Disclosed herein is a step motor. The step motor includes a casing, a stator disposed in the casing, with a coil being wound around the stator, a rotor disposed in the stator, having a rotor shaft that is rotatably supported at both ends of the casing, and rotated by interaction with the stator, a rotary sensing unit provided in the casing to detect a rotation of the rotor, and a coil connector formed on an outer surface of the stator, with an end of the coil being connected to the coil connector. | 2016-03-03 |
| 20160065043 | DISPLACEMENT DEVICES AND METHODS FOR FABRICATION, USE AND CONTROL OF SAME - Displacement devices comprise a stator and a moveable stage. The stator comprises a plurality of coils shaped to provide pluralities of generally linearly elongated coil traces in one or more layers. Layers of coils may overlap in the Z-direction. The moveable stage comprises a plurality of magnet arrays. Each magnet array may comprise a plurality of magnetization segments generally linearly elongated in a corresponding direction. Each magnetization segment has a magnetization direction generally orthogonal to the direction in which it is elongated and at least two of the magnetization directions are different from one another. One or more amplifiers may be connected to selectively drive current in the coil traces and to thereby effect relative movement between the stator and the moveable stage. | 2016-03-03 |
| 20160065044 | Method And Apparatus For Mechanical Energy Harvesting Using Combined Magnetic And Microfluidic Energy Generation - An energy harvesting system for converting mechanical energy into electrical energy uses an electrostatic arrangement based upon the interaction between conductive microfluidic droplets and dielectric-coated electrodes in combination with an electromagnetic arrangement based upon the interaction between magnetic elements and coils, with the two arrangements disposed in an interleaved configuration that provides a degree of synergy to the overall system in the form of providing spacings between adjacent elements and providing a bias voltage source for the electrostatic arrangement from the energy created by the electromagnetic arrangement. | 2016-03-03 |
| 20160065045 | FAN DEVICE - A fan device includes two magnetic members, a fan and a wire. The fan is disposed between the magnetic members, and includes a rotatable hub and a plurality of fan blades radiating from the hub. The wire is mounted on the fan, and has two electrode ends and a plurality of induction portions that are disposed between the electrode ends. Each induction portion is coupled to a respective fan blade, and is co-rotatable with the respective fan blade to intersect a magnetic field between the magnetic members to thereby generate an induced current that flows toward the electrode ends of the wire. | 2016-03-03 |
| 20160065046 | METHOD AND CIRCUITS FOR DIMINISHING DC OFFSET - A method and circuit is disclosed for diminishing the DC offset or AC unbalance in an AC load driven by a phase control switch type controller. The method consist of two parts, which may act singly or in concert. The method and circuit of the invention first reduces asymmetry between positive and negative half cycle gating and secondly obtains the amount of DC offset presented to the load, stores that information, and then utilizing the stored information adjusts the function of the controller to diminish the DC offset to a low value by causing causes positive and negative half cycles of the load power to be substantially identical positive and negative half cycles of the load power to be substantially identical. One or more circuits may be provided to reduce the asymmetry of the phase gating circuit, and one or more circuits may be provided to capture the DC offset, allowing correction of the switch output to substantially cancel the unbalance. | 2016-03-03 |
| 20160065047 | SWITCHING SCHEME TO EXTEND MAXIMUM INPUT VOLTAGE RANGE OF A DC-TO-DC VOLTAGE CONVERTER - A circuit includes a first transistor having a first current electrode coupled to a first power supply node, a second current electrode coupled to a switching node; a second transistor having a first current electrode coupled to the switching node, a second current electrode coupled to a second power supply node; an inductor having a first terminal coupled to the switching node, a second terminal coupled to an output node; a third transistor having a first current electrode coupled to the output node, a second current electrode coupled to the switching node; a driver circuit configured to transition the switching node from a first voltage to a second voltage by turning on the third transistor to couple the output node to the switching node during a first time period, turning on the first transistor to couple the first power supply node to the switching node during a second time period. | 2016-03-03 |
| 20160065048 | Split Rail PFC and AC Inverter Architecture - A power conversion system including power factor correction circuitry and power inversion circuitry. The power factor correction circuitry has a split-rail configuration and includes a bidirectional switch used to produce intermediate direct current power. The power inversion circuitry selectively operates switches to produce sinusoidal alternating current output power. The output power and the intermediate power are regulated together. | 2016-03-03 |
| 20160065049 | LCL CAPACITOR CURRENT COMPENSATION AND CONTROL METHOD BASED ON DIVISION AND SUMMATION TECHNIQUE - An LCL capacitor current compensation and control method based on division and summation technique, comprising following steps: calculating new reference current i* | 2016-03-03 |
| 20160065050 | POWER SOURCE CIRCUIT AND METHOD OF CONTROLLING POWER SOURCE CIRCUIT - A power source circuit includes a power source terminal for inputting a power source voltage; a switching regulator including a switching circuit connected to the power source terminal and a smoothing circuit connected to the switching circuit; a series regulator connected to the switching regulator in series; a switching portion; and a control portion. The smoothing circuit includes a capacitor and an inductor to output a first voltage. The series regulator is connected to the switching circuit and the smoothing circuit in series to output a second voltage. The switching portion supplies the power source voltage to the series regulator. The control portion outputs a switching signal for controlling the switching portion to turn on or off according to the power source voltage. | 2016-03-03 |
| 20160065051 | POWER SUPPLY SYSTEM WITH RIPPLE SUPPRESSION CIRCUIT AND RIPPLE SUPPRESSION METHOD THEREOF - A ripple suppression circuit has a filter circuit and a follower circuit. The filter circuit has a first input terminal coupled to a signal source to receive a ripple signal and an output terminal to output a filter signal which is the sum of the average value of the ripple signal and a positive bias signal. The follower circuit has a first input terminal, a second input terminal and an output terminal, wherein the first input terminal is coupled to the signal source to receive the ripple signal, the second input terminal is coupled to the output terminal of the filter circuit to receive the filter signal, the follower circuit provides an output signal at the output terminal, the output signal at least partially follows the filter signal. | 2016-03-03 |
| 20160065052 | PROTECTION CIRCUIT - A first detector compares an electric signal to be monitored with a first threshold. A second detector compares the electric signal with a second threshold. A first memory stores setting data of the first threshold. A second memory stores setting data of the second threshold. An interface circuit receives data from an external processor, and writes the data thus received to the first memory and the second memory. The protection circuit is configured such that data writing to the first memory is possible only when a predetermined condition is satisfied. | 2016-03-03 |
| 20160065053 | METHOD FOR STARTUP CONTROL OF PHOTOVOLTAIC INVERTER, SYSTEM THEREOF, AND PHOTOVOLTAIC POWER GENERATION SYSTEM - A method for start control of photovoltaic inverter, a system thereof, and a photovoltaic power generation system are provided. A fan of the photovoltaic inverter is controlled to operate in a case that input voltage of the photovoltaic inverter is greater than a start threshold, and the fan operation is used as a load. Input voltage drop before and after the fan operates is obtained, and in a case that the input voltage drop is less than or equal to a voltage determination threshold, the photovoltaic inverter is controlled to start a grid connection. The voltage determination threshold is changed based on a power determination threshold of the photovoltaic inverter. | 2016-03-03 |
| 20160065054 | POWER FACTOR CORRECTION IN POWER CONVERTER - Aspects of the present disclosure are directed to method, circuits, and apparatuses for power conversion. In an example embodiment, an apparatus includes a boost converter having a current loop affected by at least one compensation correction parameter and variation in an inductance of the current loop. The apparatus also includes a power factor correction means, including a circuit, configured and arranged to adaptively modify the compensation correction parameter based on variation in the inductance of the current loop. | 2016-03-03 |
| 20160065055 | CIRCUIT AND METHOD OF CORRECTING A POWER FACTOR FOR AC DIRECT LIGHTING APPARATUS - A circuit for correcting a power factor for an AC direct lighting apparatus that includes a valley signal generating unit configured to receive a full-wave rectified AC input voltage signal and configured to compare an internal reference voltage signal and the AC input voltage signal to generate a valley signal, a reference voltage control unit configured to receive the generated valley signal and count clock cycles of an internal clock to detect a frequency of the AC input voltage signal and configured to determine a frequency of a drive current to control a reference voltage signal based on the determined frequency of the drive current and a reference voltage control clock generating unit configured to generate a pulse width modulation signal associated with a pulse width of the reference voltage signal and configured to generate the reference voltage control clock signal based on the generated pulse width modulation signal and the controlled reference signal. Thus, the circuit may control a phase of a drive current and adjust a variation of the reference voltage signal to improve the power factor of the circuit. | 2016-03-03 |
| 20160065056 | DELTA CONVERSION RECTIFIER - According to one aspect, embodiments of the invention provide an AC-DC rectifier comprising an input configured to receive input AC power from an AC power source having an input AC voltage waveform, an output configured to provide output DC power to a load, an active power filter coupled to the input, an inverter coupled to the input and configured to convert the input AC voltage waveform into an output AC voltage waveform at a desired magnitude, a rectifier portion coupled between the inverter and the output and configured to convert the output AC voltage waveform into the output DC power, and a controller coupled to the active power filter and the inverter and configured to operate the active power filter to provide Power Factor Correction (PFC) at the input and to operate the inverter to provide the output AC voltage waveform at the desired magnitude to the rectifier portion. | 2016-03-03 |
| 20160065057 | FUEL CELL DC-DC CONVERTER - A method and system for supplying power to a portable electronic device includes supplying current from one or more fuel cells to a DC-DC converter and regulating a current limit of the DC-DC converter as a function of a measured temperature of at least one of the power supply system and the portable electronic device. The current limit can vary as an inverse function of the measured temperature. The current limit can be an input current limit of the DC-DC converter or an output current limit of the DC-DC converter. Current produced by the one or more fuel cells can decrease proportionally to a decrease of the current limit of the DC-DC converter, reducing the heat produced by the one or more fuel cells and thereby reducing the measured temperature. A temperature sensor can be located on or near the one or more fuel cells. A temperature sensor can be located on an internal housing of the portable electronic device. | 2016-03-03 |
| 20160065058 | TWO-STATE CHARGE-PUMP CONTROL-LOOP FOR MEMS DVC CONTROL - The present invention generally relates to a DVC having a charge-pump coupled to a MEMS device. The charge-pump is designed to control the output voltage delivered to the electrodes, such as the pull-in electrode or the pull-off electrode, that move the switching element within the MEMS device between locations spaced far from and disposed closely to the RF electrode. | 2016-03-03 |
| 20160065059 | SEMICONDUCTOR DEVICE - According to an embodiment of the present invention, a semiconductor device includes a charge pump circuit having a plurality of booster units which are connected in series between an input terminal and an output terminal, each of the plurality of booster units includes: a main transistor that is diode-connected so as to cause a forward current to flow in a direction from an internal input terminal toward an internal output terminal; a sub-transistor that is connected between a first terminal of the main transistor and a back-gate terminal of the main transistor and has a control terminal connected to a second terminal of the main transistor; a resistor that connects the second terminal of the main transistor and the back-gate terminal of the main transistor; and a capacitor that is connected between the internal output terminal and a clock wire. | 2016-03-03 |
| 20160065060 | CONTROL CIRCUIT AND CONTROL METHOD FOR CHARGE PUMP CIRCUIT - A method of controlling a charge pump circuit can include: (i) detecting a difference between an output voltage and an input voltage in real time; (ii) generating an error amplifying signal by comparing the difference between the output voltage and the input voltage against a predetermined difference; and (iii) generating a control voltage signal for controlling the charge pump circuit according to the error amplifying signal, where a frequency of the control voltage signal positively changes along with the difference between the output voltage and said input voltage when the difference between the output voltage and the input voltage is greater than the predetermined difference. | 2016-03-03 |
| 20160065061 | SYNCHRONOUS SENSING OF INDUCTOR CURRENT IN A BUCK CONVERTER CONTROL CIRCUIT - A sense resistor is placed in series with an output capacitor of a buck converter. The buck converter operates in a discontinuous mode such that there is a dead time in each switching cycle. A control circuit senses a voltage across the sense resistor and thereby generates a first signal I | 2016-03-03 |
| 20160065062 | POWER SUPPLY CIRCUIT AND CONTROL METHOD FOR THE SAME - According to an embodiment, a power supply circuit is provided. The power supply circuit includes a switching transistor which is controlled to be ON/OFF by a PWM signal, and a mode switching control circuit configured to switch a control mode between peak current mode control and valley current mode control depending on the length of an ON time of the PWM signal which drives the switching transistor. | 2016-03-03 |
| 20160065063 | METHODS OF GENERATING OUTPUT VARIABLE VOLTAGE AND SYSTEMS THEREOF - At least one example embodiment discloses a method of generating an output variable voltage. The method includes obtaining a selected mode of operation, the selected mode of operation being one of an voltage control mode and a frequency mode, determining an input voltage command based on the selected mode of operation, determining an input frequency command based on the selected mode of operation, adjusting at least one of the input frequency command and the input voltage command based on the selected mode of operation, generating a pulse width modulation reference based on the adjusted at least one of the input frequency command and the input voltage command and generating the output variable voltage based on the pulse width modulation reference. | 2016-03-03 |
| 20160065064 | System and Method for a Switch Having a Normally-on Transistor and a Normally-off Transistor - In accordance with an embodiment, a circuit includes a first driver having a first output configured to be coupled to a control node of a normally-off transistor. The first driver is configured to drive a first switching signal at the first output in a cascode mode and configured to drive a first constant voltage at the first output in a direct drive mode. The circuit further includes a second driver having a second output configured to be coupled to a control node of a normally-on transistor that has a second load path terminal coupled to a first load path terminal of the normally-off transistor. The second driver is configured to drive a second switching signal at the second output in the direct drive mode. | 2016-03-03 |
| 20160065065 | Switching Converter Control - A device and method for operating a switching power converter are disclosed. In an embodiment a circuit includes a switching power converter having a half bridge including a high-side semiconductor switch connected to a low-side semiconductor switch and an inductor coupled to a half-bridge output node. The circuit further includes a control circuit configured to generate drive signals to switch the high-side semiconductor switch and the low-side semiconductor switch on and off, wherein the drive signals are generated to ensure a dead time between a switch-off of the low-side switch and a subsequent switch-on of the high side switch, and wherein the dead time is set to a first value, when an inductor current is negative at a time of switching, and the dead time is set to a second value, which is lower than the first value, when the inductor current is positive at the time of switching. | 2016-03-03 |
| 20160065066 | BOOST CONVERTER WITH CIRCUIT TO CONTROL THE BODY OF THE BOOST OUTPUT RECTIFICATION TRANSISTOR AND METHOD - A first softstart signal indicates operation in a load phase for a boost rectifier and a second softstart signal indicates operation in a pulse drive phase which follows the load phase. A rectification transistor is actuated for the duration of the load phase in response to the first softstart circuit to generate a rising output voltage. The rectification transistor is further repeatedly actuated during the pulse drive phase in response to the second softstart circuit to generate a boosted output voltage. A first transistor coupled between a first conduction terminal and a body terminal of the rectification transistor is actuated, and a second transistor coupled between the body terminal and a second conduction terminal of the rectification transistor is deactuated, during the load phase. The first transistor is deactuated, and the second transistor is actuated, during the pulse drive phase. | 2016-03-03 |
| 20160065067 | CURRENT SENSING WITH RDSON CORRECTION - Current sensing with RDS | 2016-03-03 |
| 20160065068 | BUCK CONVERTER WITH A STABILIZED SWITCHING FREQUENCY - A switchable buck-converter with zero voltage switching capability includes a non-linear inductor having an inductance as a function of a load current to allow for a constant switching frequency operation of the switchable buck-converter. | 2016-03-03 |
| 20160065069 | POWER CONVERTER - A power converting circuit includes a converter. The converter receives and converts an input power to provide power for a load. The converter includes a power storage unit, a switch unit, a capacitor unit, and a current sampling unit. The power storage unit includes input and output terminals. The switch unit includes first and second switches, which are series connected at a common terminal, and the common terminal is coupled to the output terminal of the power storage unit. The capacitor unit includes first and second capacitors. The first capacitor and the switch unit are parallel connected to form a capacitor-switch parallel structure. The second capacitor capacitance is more than ten times larger than the first capacitor capacitance. The current sampling unit and the capacitor-switch parallel structure are series connected to form a capacitor-sampling unit series structure. The capacitor-sampling unit series structure and the second capacitor are parallel connected. | 2016-03-03 |
| 20160065070 | SEMICONDUCTOR DEVICE - According to one embodiment, a semiconductor device includes: a first switch SWx which switches whether or not to supply a first power supply voltage Vx generated by accumulating a charge outputted from a power source | 2016-03-03 |
| 20160065071 | Buck DC/DC Converter and Control IC Thereof, Communication Machine for Office, Electric Bicycle - The present invention relates to improving the reliability of the control IC of DC/DC converters. The present invention provides a control IC | 2016-03-03 |
| 20160065072 | POWER CONVERTER WITH BOOTSTRAP CIRCUIT - A power converter with bootstrap circuit, the power converter has a high side switch, a low side switch, a bootstrap circuit and a bootstrap capacitor for providing a bootstrap voltage to supply a high side driver of the high side switch. The power converter receives an input voltage and provides an output voltage based on driving the high side switch and the low side switch to switch on and off. The bootstrap circuit has a first comparing circuit, a first comparing circuit, a boost circuit and a second charging circuit. The second charging circuit charges the bootstrap capacitor when a voltage difference between the input voltage and the output voltage is smaller than a voltage threshold. | 2016-03-03 |
| 20160065073 | VOLTAGE CONVERTER CONTROL APPARATUS - A voltage converter control apparatus controls repetitive switching operations of a voltage converter, for conversion between a terminal voltage of a battery as an input-side voltage and a terminal voltage of a power inverter as an output-side voltage, by determining a command value of duty ratio of the switching in accordance with a command value of the output-side voltage. The voltage converter control apparatus sets a normal duty ratio range defining limit values of the duty ratio for normal operation of the voltage converter, with the limit values being determined based upon information including the command value of the output-side voltage. | 2016-03-03 |
| 20160065074 | DC-DC CONVERTER AND CONTROL METHOD FOR THE SAME - A DC-DC converter according to the present invention includes a power supply control circuit—that generates pulse signals, an output transistor that is controlled to be turned on and off based on the pulse signal, a rectification transistor—that is controlled to be turned on and off based on a control signal, a coil provided between a node between the output transistor and the rectification transistor, and an external output terminal, a comparator that compares a voltage of the node—with a reference voltage, a first control circuit that generates a control signal based on a comparison result of the comparator, and a second control circuit that generates the control signal based on a backward-current detection timing and a reference timing. | 2016-03-03 |
| 20160065075 | CURRENT RESONANT POWER SUPPLY DEVICE - First and second switch are connected in series to both terminals of a DC power source. A series circuit comprising a reactor, a primary winding of a transformer, and a capacitor connected in series, and is connected to a node between the first and second switches and one terminal of the DC power source. A rectifier smoothing circuit rectifies and smoothens a voltage generated across a secondary winding of the transformer and outputs a DC voltage. A control circuit alternately turns the first and second switches on and off. A voltage detection circuit detects the DC voltage from the rectifier smoothing circuit. A signal generation circuit generates a feedback signal from the DC voltage detected by the voltage detection circuit, and outputs the signal for turning the first and second switches on and off. A load current detection circuit detects load current contained in resonance current flowing through the capacitor. | 2016-03-03 |
| 20160065076 | POWER SUPPLY DEVICE, IMAGE FORMING DEVICE, AND ELECTRONIC APPLIANCE - This invention is concerning a power supply device that includes a cut-off unit configured to cut off voltage to be applied to a primary winding of a transformer and a coil added in series with the primary winding of the transformer, a first circuit configured to cause, in a case where the voltage to be applied is cut off by the cut-off unit, current to flow in such a way that energy accumulated in the transformer is led to a capacitor, and a second circuit configured to clamp, in a case where the voltage to be applied is cut off by the cut-off unit, voltage of the primary winding and the coil. | 2016-03-03 |
| 20160065077 | DC POWER SUPPLY EQUIPMENT - A power supply equipment includes a plurality of units each including a capacitor and an isolated DC-DC converter connected between the both terminals of the capacitor, wherein DC input sides of the plurality of units are connected in series and the DC output sides are connected together in parallel. The DC power supply equipment also comprises control circuits to control the isolated DC-DC converters. The control circuits generate operation commands to operate some of the plurality of units in an alternating sequence with a same time ratio in a predetermined control period in a light load condition, and the control circuits control the isolated DC-DC converters of the units according to the operation command. | 2016-03-03 |
| 20160065078 | CONTROLLER WITH LEAKAGE CURRENT PROTECTION OF A DIODE AND OPERATION METHOD THEREOF - A controller with leakage current protection of a diode includes a comparison unit, a reference voltage generation unit, a time out signal generation unit, and a gate signal generation unit, wherein the diode is applied to a secondary side of a power converter. The comparison unit outputs a corresponding selection signal according to a compensation voltage and a threshold. The reference voltage generation unit outputs a corresponding reference voltage range according to the corresponding selection signal. The time out signal generation unit determines a corresponding time out according to the corresponding selection signal, and generates a corresponding time out signal when a voltage corresponding to an auxiliary winding has no peak to cross an upper limit of the corresponding reference voltage range during the corresponding time out. The gate signal generation unit enters the leakage current protection or a quasi-resonant mode according to the corresponding time out signal. | 2016-03-03 |
| 20160065079 | POWER TRANSFER SYSTEM - A power transfer system and method are provided for transferring power from an AC supply outputting an AC voltage. The system includes a controller and a primary rectifier coupled to the controller and to the AC supply for converting the AC voltage to a DC bus voltage. An inverter is coupled with the primary rectifier and the controller for converting the DC bus voltage to a primary AC voltage. A primary coil is connected to the inverter. A secondary coil is in communication with the primary coil for producing an induced AC voltage. A secondary rectifier is connected to the secondary coil for rectifying the induced AC voltage to a secondary DC voltage. At least one sensor is connected to the secondary rectifier for outputting a signal proportional to the secondary DC voltage and the controller is configured to vary the DC bus voltage based on the signal from the sensor. | 2016-03-03 |
| 20160065080 | Measuring Input Voltages From Reference Windings Of Power Converters With Limited On-Time - The disclosed embodiments provide a system that operates switched-mode power supplies, such as flyback converters. The power supplies may comprise isolated or non-isolated power converters. During operation, the system senses an on-time of a primary switch in the power converter. Upon detecting that the on-time does not exceed an on-time threshold within a first pre-specified period that spans one or more switching cycles, the system extends the on-time during a subsequent switching cycle to at least meet the on-time threshold. The system may then measure the voltage on one or more reference windings of the power converter during the on-time of the subsequent switching cycle, wherein the reference winding may comprise, e.g., an auxiliary winding of the primary winding of the power converter or a secondary winding of the power converter (e.g., in the case of isolated power converters utilizing a transformer). | 2016-03-03 |
| 20160065081 | MULTI-LEVEL DC-DC CONVERTER WITH GALVANIC ISOLATION AND ADAPTIVE CONVERSION RATIO - A multi-level DC-DC converter includes an input side to receive a DC power having an input voltage and current, an output side to provide power to a load at a desired output voltage and current, and a plurality of tranformer-isolated DC-DC converters connected between the input and output sides, with the tranformer-isolated DC-DC converters being connected in series on one side and connected in parallel on another side. Each of the tranformer isolated DC-DC converters further includes a power transformer having a primary winding and a secondary winding, and a plurality of switching devices each selectively operable in one of an On state and an Off state. Operating the switching devices in a complementary On state and Off state alternately at a controlled switching frequency provides for engaging the tranformer isolated DC-DC converter and operating the switching devices in a simultaneously On state bypasses the transformer isolated DC-DC converter. | 2016-03-03 |
| 20160065082 | DC POWER SOURCE DEVICE AND POWER CONVERSION METHOD - A DC power supply device including a DC/DC converter having FETs each driven by a drive transformer. A voltage from a single drive power supply disposed in common for the FETs is divided into positive and negative biases to be applied to the FETs, and an operational state of the FETs is detected based on voltage signals. A sequence circuit turns on an input from a three-phase AC power supply by driving a relay circuit at a time point when it is confirmed that the FETs have normally started stable ON/OFF operation, and drives a power factor improvement circuit, which converts AC voltage from the three-phase AC power supply into a DC voltage by simultaneously performing full-wave rectification and power factor improvement. | 2016-03-03 |
| 20160065083 | POWER CONVERSION APPARATUS, POWER CONVERSION METHOD, MOTOR SYSTEM, AND THREE-PHASE MOTOR - A power conversion method including: receiving, by a pair of input terminals, an input voltage in which is a single-phase AC voltage; designating a first target voltage ref | 2016-03-03 |
| 20160065084 | ELECTRIC DEVICE AND METHOD OF CONTROLLING THE SAME - An electric device in one aspect of the present disclosure comprises a connector, a power supply unit, a connection-detection unit, and a control unit. The control unit is configured to control electric power supplied to the power supply unit from a battery so as to increase electric power supplied to the power supply unit when the connection-detection unit detects that an external device is connected to the connector. | 2016-03-03 |
| 20160065085 | POWER SUPPLY DEVICE AND ILLUMINATION DEVICE - A power supply device includes a power supply input portion, a rectification portion, a smoothing portion, a power conversion portion, a power supply output portion, a signal input portion, a control portion, a circuit substrate, and a case. The circuit substrate is formed in an elongated rectangular plate-like shape. The power supply input portion is mounted on a first end portion of the circuit substrate in a longitudinal direction. The rectification portion, the smoothing portion, the power conversion portion, the control portion, and the power supply output portion are mounted on the circuit substrate in the stated order from the first end portion toward a second end portion in the longitudinal direction. The signal input portion is mounted at a position closer to the second end portion than the rectification portion in the circuit substrate. | 2016-03-03 |
| 20160065086 | System and Method for Driving a Transistor - In accordance with an embodiment, a circuit for driving a control terminal of a switching transistor includes a driver having an output configured to be coupled to the control terminal of the switching transistor, a first power supply terminal configured to be coupled to a first terminal of a floating power supply, a second power supply terminal configured to be coupled to a second terminal of the floating power supply, and a switching input terminal configured to receive a switching signal. The circuit further includes a bias circuit having an output terminal configured to be coupled to a common-mode control terminal of the floating power supply, wherein the bias circuit is configured to provide a time dependent voltage. | 2016-03-03 |
| 20160065087 | CURRENT DETECTING CIRCUIT FOR POWER ELEMENT - A current detecting circuit includes a current detecting unit and a signal production and transmission unit, and detects a current value through a power element, in response to a pulse width modulation signal inputted from a control circuit. The current detection unit detects the current value through the power element, at the timing when a carrier of the pulse width modulation signal determined based on a signal inputted from the control circuit takes on a minimal value and/or a maximal value. The signal production and transmission unit that produces a detection signal which has a pulse width dependent on the current value detected by the current detection unit, and transmits the detection signal to the control circuit at every cycle of the carrier. | 2016-03-03 |
| 20160065088 | PUSH PULL INVERTER - The present invention discloses a push pull inverter, which includes a DC source V | 2016-03-03 |
| 20160065089 | THREE-PHASE CURRENT CONVERTER WITH VARIED INDUCTANCES AND THREE-PHASE D-SIGMA CONTROL METHOD THEREOF - A three-phase current converter and a three-phase D-Σ control method with varied inductances are provided. In this method, two current variations of a first phase current, a second phase current and a third phase current flowing through a first inductor, a second inductor and a third inductor of the three-phase current converter respectively and two phase voltages of a first phase voltage, a second phase voltage and a third phase voltage are obtained. A first calculation is executed according to inductances of the inductors, the current variations and a switching period of a vector space modulation to obtain a calculation result. A second calculation is executed according to the phase voltages and the calculation result to obtain a duty ratio of the switching period of switch sets of the three-phase current converter. The inductances vary with the phase currents respectively. | 2016-03-03 |
| 20160065090 | ROTARY SOLAR CONVERTER - An advantageous method of converting solar energy from a photovoltaic array into alternating current for feeding into the electricity grid is described based on the use of an inventive rotary machine. The inventive rotary machine has a rotor and a set of stator coils which are excited in a first mode by a polyphase current derived from the solar array and simultaneously in a second, orthogonal mode by a polyphase voltage derived from the electricity grid. | 2016-03-03 |
| 20160065091 | TRIBOELECTRIC NANOGENERATOR - A generator includes a first cylindrical member and a second cylindrical member. The first cylindrical member includes a first dielectric layer including a first material that has a first rating on a triboelectric series; and a first conductive strip disposed around an exterior surfaces of the first cylindrical member. The first conductive strip includes a second material that has a second rating on the triboelectric series that is different from the first rating. The second cylindrical member is disposed about the first cylindrical member and includes a second dielectric layer that includes the first material. The second cylindrical member also includes the second material and at least one second conductive strip disposed around an interior surface of the second cylindrical member. A sliding mechanism causes lateral relative motion between the first cylindrical member against the second cylindrical member, generating an electric potential imbalance between the first and second conductive strip. | 2016-03-03 |
| 20160065092 | LINEAR ULTRASONIC MOTOR AND LENS APPARATUS AND IMAGE PICKUP APPARATUS USING THE SAME - A linear ultrasonic motor includes a vibrator having a piezoelectric element, a movable part applying a pressing force to the vibrator and bringing the vibrator into pressed contact with a base part, a cover part being fixed to the base part, a rolling part being rollably held between a movable guide part of the movable part and a cover guide part of the cover part, and a body to be driven having a transmission member that is pivotably supported and able to move only in the movable direction. The transmission member includes a bias part that abuts on a transmission part of the movable part and applies a biasing force of biasing the movable part to the rolling part to the transmission part. The rolling part is held by a resultant force of the pressing force or a reaction force of the pressing force, and the biasing force. | 2016-03-03 |
| 20160065093 | POWER GENERATOR - A power generator | 2016-03-03 |
| 20160065094 | PIEZOELECTRIC ENERGY HARVESTER AND WIRELESS SWITCH INCLUDING THE SAME - Examples provide a piezoelectric energy harvester and a wireless switch including the same. The piezoelectric energy harvester includes a pressure transmission part situated between a pressing plate and a piezoelectric body, so as to transmit a uniform amount of pressure to the piezoelectric body, thereby generating a constant level of energy. In addition, a wireless switch uses energy generated in the piezoelectric energy harvester as its driving power, thereby transmitting radio frequency (RF) communications signals to an external electronic device to control the operation of the electronic device. | 2016-03-03 |
| 20160065095 | PIEZOELECTRIC ENERGY HARVESTER AND WIRELESS SWITCH INCLUDING THE SAME - Provided are a piezoelectric energy harvester and a wireless switch including a piezoelectric energy harvester. The piezoelectric energy harvester uses energy generated in the piezoelectric energy harvester as driving power, thereby transmitting communications signals to an external lighting device using this driving power. Furthermore, the piezoelectric energy harvester generates power having different magnitudes depending on magnitudes of external force applied to a pressing member by a user or duration of the external force. A transmitting module of the wireless switch transmits signals that may adjust intensity of light to the external lighting device depending on the magnitudes of the generated power. | 2016-03-03 |
| 20160065096 | PIEZOELECTRIC ENERGY HARVESTER AND WIRELESS SWITCH INCLUDING THE SAME - Provided are a piezoelectric energy harvester and a wireless switch including the piezoelectric energy harvester. The wireless switch uses energy generated in a piezoelectric energy harvester as a source of driving power, thereby transmitting communications signals to an external electronic device without requiring a battery. In addition, the piezoelectric energy harvester generates displacement in a piezoelectric element through a magnetic force generated in a magnet, thereby generating a constant level of energy when generating the driving power. | 2016-03-03 |
| 20160065097 | PIEZOELECTRIC ENERGY HARVESTER AND WIRELESS SWITCH INCLUDING THE SAME - A piezoelectric energy harvester includes a thin film member, a support member situated to support the center or an edge of the thin film member, a piezoelectric member situated on the thin film member, and a driving member situated on the thin film member, situated to be misaligned with the support member, and configured to press the edge or the center of the thin film member. Such a design provides improved durability and functionality for a piezoelectric | 2016-03-03 |
| 20160065098 | MAGNETIC LEVITATION DEVICE FOR PROLONGED ROTATION - Disclosed is a magnet in a high vacuum tube levitated by at least one magnet outside the tube and stabilized by at least one diamagnet inside or outside the tube. The magnet may have a rotational symmetry axis aligned with the magnetization axis and the diamagnet may be laminated to minimize eddy-current damping. The magnet or magnets outside the tube are used to control the levitation position and to temporarily bring the magnet into contact with a part of the tube structure. Contact is used in combination with a rotor to initiate the spinning motion of the magnet. The passively spinning and levitating magnet will continue to spin for an unusually long period of time due to the lack of contact and extremely low air drag and eddy-current friction. | 2016-03-03 |
| 20160065099 | MOTOR DRIVING SYSTEM, MOTOR DRIVING DEVICE, MULTI-AXIS MOTOR DRIVING SYSTEM, AND MULTI-AXIS MOTOR DRIVING DEVICE - This disclosure discloses a motor driving system including a motor with an encoder and a motor driving device configured to control and drive the motor based on a motor control command. The motor driving device includes a first position detection unit configured to perform a magnetic pole position detection process for the motor to detect a position of the motor. When determining whether miswiring is present between the motor driving device and the motor, the motor driving device controls and drives the motor using a first detection result of the first position detection unit and determines miswiring of the motor based on a second detection result that is a position detection result of the motor by the encoder. | 2016-03-03 |
| 20160065100 | MOTOR CONTROL APPARATUS - A motor control apparatus includes a counter, a margin calculation portion, and a cycle set portion. The counter counts a total number of switching the current supply phase of the coils when the rotor is rotationally driven. A rotation angle of the rotor is detected on a basis of the number of switching. The margin calculation portion calculates a torque margin that is a difference between an output torque of the motor and a load torque acting on the motor. The cycle set portion sets a current supply switching cycle to shorten as the torque margin is greater. The current supply switching cycle is a cycle switching the current supply phase of the coils. | 2016-03-03 |
| 20160065101 | BLDC MOTOR CONTROL SYSTEM AND CONTROL METHOD - Provided are a BLDC motor control system and a control method thereof. In more detail, the BLDC motor control system includes: a motor driver | 2016-03-03 |
| 20160065102 | LOW SIDE AND HIGH SIDE DRIVERS FOR A MOTOR - A driver circuit for driving a portion of a motor system is disclosed. The driver circuit may include a current reverse detector operable to detect a current direction associated with the portion of the motor system, an insulated gate bipolar transistor (“IGBT”) driver, and an IGBT. The IGBT driver may include: a first input coupled to an output of the current reverse detector and a second input coupled to an operation indication signal. | 2016-03-03 |
| 20160065103 | MOTOR CONTROL SYSTEM AND METHOD FOR PROTECTING INRUSH RESISTOR - A system for protecting an inrush resistor by determining whether an inrush relay connected in parallel with the resistor properly closes. A differential amplifier connected across the resistor produces an output signal that is proportional to the differential voltage. A control block determines whether the relay is open based on the output signal, and if the relay is open and the motor is running, takes remedial action to protect the inrush resistor. Alternatively, the amplifier is replaced with a slow response filter that produces an output signal that is a delayed version of a bus voltage. The control block determines the difference between the bus voltage and the output signal, and if it exceeds a predetermined value and the motor is running, takes remedial action to protect the inrush resistor. Remedial action may include shutting off the motor or restarting the motor to confirm improper behavior of the relay. | 2016-03-03 |
| 20160065104 | Sensorless DC Fan Speed Controller - A method of maintaining a calibrated DC fan motor is provided in which normal operation of the motor is periodically and temporarily suspended in order to calibrate the motor. During normal operation, the motor controller selects an appropriate PWM control signal to achieve the desired motor speed. This PWM control signal is later modified during the calibration process on the basis of the difference between the desired motor speed and the actual motor speed, where the actual motor speed is determined by temporarily interrupting power to the motor, measuring the back EMF of the motor, and calculating the actual motor speed based on the back EMF. When normal operation is resumed, the motor controller uses the modified PWM control signal. | 2016-03-03 |
| 20160065105 | SYSTEM AND METHOD FOR OPTIMIZING WIND TURBINE OPERATION - The present disclosure is directed to a system and method for optimizing operation of a wind turbine. The method includes providing a voltage regulator between a power grid and the wind turbine. The voltage regulator is configured to control at least one voltage condition of the wind turbine. Another step includes monitoring, via one or more sensors, at least one operating condition and at least one voltage condition of the wind turbine. The method also includes comparing, via a controller, at least one of the operating condition or the voltage condition with a predetermined threshold to determine a margin-to-threshold ratio. Thus, a further step includes controlling the voltage regulator based on the comparison so as to maximize the margin-to-threshold ratio. | 2016-03-03 |
| 20160065106 | AIRCRAFT ENGINE AND METHOD FOR OPERATING AN AIRCRAFT ENGINE - An aircraft engine includes at least one electrical apparatus, which can be driven by a driveshaft in order to generate electrical energy. A hydrodynamic torque converter, with guide blades, which can be adjusted via a mechanism, is arranged between the driveshaft and the electrical apparatus. The guide blades are adjusted as a function of a rotational speed of the driveshaft, wherein the rotational speed of a shaft of the electrical apparatus operated as a generator can be adjusted, essentially within a predefined rotational speed range, via the adjustment of the guide blades. | 2016-03-03 |
| 20160065107 | METHOD FOR STARTING AN INTERNAL COMBUSTION ENGINE WITH THE AID OF A BELT-DRIVEN STARTER GENERATOR - A method for starting an internal combustion engine using a starter generator to which the engine is connected via a belt drive, the belt drive including a belt pulley of the starter generator, a belt pulley of the internal combustion engine, and a belt connecting the belt pulleys in a torque-transmitting manner, includes operating the starter generator such that its drive torque output to the belt pulley of the starter generator is according to a drive torque curve by which an output torque generated temporarily on the belt pulley of the internal combustion engine exceeds the drive torque of the starter generator, taking a gear ratio of the belt drive into consideration. | 2016-03-03 |
| 20160065108 | Electric Motor Current Controller with Negative Sequence Harmonic Suppression - A current controller is provided having a positive sequence controller and a negative sequence controller, where error signals operated on by the positive sequence controller are transformed into a negative sequence reference frame and input to the negative sequence controller. A current controller is also provided having a positive sequence controller, a negative sequence controller, and one or more delay state feedbacks to counter control loop delays, where the delay state feedbacks provide high bandwidth, low current overshoot, small current rise time and good current stability margins. A current controller is also disclosed having a positive sequence controller, a negative sequence controller, and one or more cross coupled gains between a d-axis and a q-axis, where the cross coupled gains are proportional to the speed of a motor associated with the current controller. | 2016-03-03 |
| 20160065109 | POSITION ESTIMATION DEVICE, MOTOR DRIVE CONTROL DEVICE, POSITION ESTIMATION METHOD AND RECORDING MEDIUM - A position estimation device for estimating a position of a rotator of a motor includes an estimation unit configured to estimate a rotational position of the rotator of the motor using a magnetic flux estimation value of the motor, which is calculated by inputting an electric voltage instruction value to be inputted to the motor and a coil electric current value detected from the motor into a motor model in which the motor is identified; and a derivation unit configured to derive a magnetic flux deviation amount due to a distortion of a magnetic flux waveform of the motor according to the estimated rotational position. The estimation unit corrects the magnetic flux estimation value based on the derived magnetic flux deviation amount, modifies the estimated rotational position based on the corrected magnetic flux estimation value, and outputs the modified rotational position. | 2016-03-03 |
| 20160065110 | ACCELERATION ESTIMATOR FOR SPEED RATE CONTROL - Embodiments of the present invention are directed to a controller that is configured to limit the rate of change of speed of a motor (e.g., the acceleration or deceleration) regardless of the operating mode of the motor (e.g., speed, torque, or power control mode). The controller can include an acceleration estimator which monitors the output speed of a motor and provides an acceleration-limited speed set point. The output of the acceleration estimator may be limited to a range of acceptable acceleration values that correspond to the required limits of acceleration and deceleration. The acceleration estimator can be configured such that it causes the speed regulator to override the torque and/or power regulators when the acceleration range is exceeded. | 2016-03-03 |
| 20160065111 | VOICE COIL MOTOR DRIVING CIRCUIT - A VCM driving circuit in accord with one embodiment includes a driving block configured to generate a driving current of the VCM by receiving a reference voltage and a feedback voltage; a sensing transistor configured to generate the feedback voltage by sensing the driving current while in an on state thereof and to cut off the driving current while in an off state thereof; and a driving control block configured to control driving of the VCM through an on/off control of the sensing transistor. | 2016-03-03 |
| 20160065112 | MAGNET MANAGEMENT IN ELECTRIC MACHINES - A magnet management method of controlling a ferrite-type permanent magnet electrical machine includes receiving and/or estimating the temperature permanent magnets; determining if that temperature is below a predetermined temperature; and if so, then: selectively heating the magnets in order to prevent demagnetization and/or derating the machine. A similar method provides for controlling magnetization level by analyzing flux or magnetization level. Controllers that employ various methods are disclosed. The present invention has been described in terms of specific embodiment(s), and it is recognized that equivalents, alternatives, and modifications, aside from those expressly stated, are possible and within the scope of the appending claims. | 2016-03-03 |
| 20160065113 | Method of Diagnosing a Malfunctioning DC Fan Motor - A method of diagnosing DC fan motor performance is provided in which normal operation of the motor is periodically and temporarily suspended in order to verify that the motor is operating within an acceptable performance range. When normal fan motor operation is suspended, the back EMF of the motor is used to determine (i) whether the motor is seized and/or (ii) whether the rate of deceleration after interrupting power to the motor is indicative of a failing motor. | 2016-03-03 |
| 20160065114 | DEVICE FOR CONTROLLING A MULTI-PHASE MOTOR - An electronic device is for controlling motor drive circuits for driving a multi-phase motor in a force assisted system. Each motor drive circuit selectively permitting current to flow into or out of a respective phase of the multi-phase motor connected to the motor drive circuit in response to being driven by respective control signals. A motor control circuit generates the control signals. A fault processor detects at least one fault condition causing a fault current in a first motor drive circuit. In the event of the fault condition being detected, at least one alternative control signal is generated for at least one motor drive circuit for permitting at least one compensation current to flow for reducing a faulty force due to the fault current. | 2016-03-03 |
| 20160065115 | COMBINED SOLAR AND WIND POWER GENERATION - An apparatus, system, and method are disclosed for power generation. A wind turbine is configured to drive an electrical generator. One or more solar panels are electrically coupled to the electrical generator to provide power from the electrical generator and/or the one or more solar panels. A base is configured for mounting the wind turbine to a structure. The wind turbine may be pivotally coupled to the base such that an angle of the wind turbine is adjustable relative to the structure. | 2016-03-03 |
| 20160065116 | SOLAR ARRAY SUPPORT METHODS AND SYSTEMS - Systems and methods for disposing and supporting a solar panel array are disclosed. The embodiments comprise various combinations of cables, support columns, and pod constructions in which to support solar panels. Special installations of the system can include systems mounted over structures such as parking lots, roads, aqueducts, and other bodies of water. Simplified support systems with a minimum number of structural elements can be used to create effective support for solar panel arrays of varying size and shapes. These simplified systems minimize material requirements and labor for installation of the systems. | 2016-03-03 |
| 20160065117 | PHOTOVOLTAIC MODULE SUPPORT CLAMP ASSEMBLY - Apparatus and techniques for mounting frameless photovoltaic modules reduce module stress induced by the mounting configuration. Mounting clamps and rail/clamp spacing configured to relieve module stress by reducing or eliminating module sag are used, | 2016-03-03 |
| 20160065118 | MULTI-FUNCTIONAL PHOTOVOLTAIC SKYLIGHT AND/OR METHODS OF MAKING THE SAME - Certain examples relate to improved solar photovoltaic systems, and/or methods of making the same. Certain improved building-integrated photovoltaic systems may include concentrated photovoltaic skylights having a cylindrical lens array. The skylight may include an insulated glass unit, which may improve the solar heat gain coefficient. The photovoltaic skylight and lens arrays may be used in combination with strip solar cells and lateral displacement tracking systems. Such techniques may advantageously help to reduce cost per watt related, in part, to the potentially reduced amount of semiconductor material to be used for such example embodiments. A photovoltaic skylight may permit diffuse daylight to pass through into an interior of a building so as to provide lighting inside the building, while the strip solar cells absorb the direct sunlight and convert it to electricity. | 2016-03-03 |
| 20160065119 | LEVELER FOR SOLAR MODULE ARRAY - A leveler for a solar module can include a base, a rotatable adjuster, and a follower. The rotatable adjuster can be mounted to the base with a swaging process, or other techniques. The follower can be embedded within a coupler configured to be connectable to solar modules. Turning the rotatable height adjuster changes the relative spacing between the solar module and the base. | 2016-03-03 |
| 20160065120 | SOLAR CELL SUPPORT ASSEMBLY - A solar cell support assembly includes a plurality of support bases; swing bars; beams extended in a longitudinal direction and spaced from one another in a transverse direction, the beams connected to the plurality of the swing bars correspondingly, each of the beams rotatably supported on one of the plurality of support bases and adapted to mount solar panels, each of the beams comprising a hollow tube, and a wall thickness of each beam decreases gradually along a direction from a connecting position between the beam and the swing bar to two ends of the beam; a pushrod connected to the swing bars to drive the plurality of the swing bars to rotate the beams, respectively; and a driving device connected to the pushrod to drive the pushrod to move along the transverse direction. | 2016-03-03 |
| 20160065121 | UNIVERSAL CASSETTE - A method of installing photovoltaic modules in a solar array is provided. The method includes the steps of forming one or more universal cassettes, each having a plurality of photovoltaic modules attached to one or more rails, positioning the one or more universal cassettes in a curing apparatus, securing the curing apparatus with a vehicle, moving the curing apparatus along rows of installed mounting hardware and deploying the universal cassettes from the curing apparatus and attaching the universal cassettes to the installed mounting hardware. | 2016-03-03 |
| 20160065122 | EXPANDABLE STICKING SOLAR CELL APPARATUS AND POWER SUPPLY THEREOF - An expandable sticking solar cell apparatus includes a solar cell module, a frame protective cover, four connectors, a double-sided adhesive and four conductive wires. The frame protective cover includes a housing space to hold the solar cell module and four lateral side walls and a bottom wall to form the housing space. The four connectors are located respectively on the four lateral side walls. The solar cell module has positive and negative electrodes that are electrically connected to the four connectors through the four conductive wires. The double-sided adhesive is located on the bottom wall of the frame protective cover, through which multiple solar cell apparatus can be fixedly mounted onto a substrate in varying array fashions. The solar cell apparatus form electrical connection via parallel or serial connection through the connectors to increase voltage or current, thus can suit dimension and specification alterations of different electronic products. | 2016-03-03 |
| 20160065123 | METHOD OF OPERATING A PHOTOVOLTAIC MODULE ARRAY - A method for operating a photovoltaic module array includes identifying when an atmospheric temperature drops below a dew point. A photovoltaic module is then positioned such that a module face is oriented at a first position substantially parallel to a ground surface permitting dew to form on the module face, the dew mixing with dust present on the module face. An angular orientation of the photovoltaic module is changed after dew formation so the module face is oriented at a second position angled away from the first position facilitating the removal of the dew entrained with the dust to be removed from the module face, thereby cleaning the module face. | 2016-03-03 |
| 20160065124 | ENHANCED SOLAR PANELS, LIQUID DELIVERY SYSTEMS AND ASSOCIATED PROCESSES FOR SOLAR ENERGY SYSTEMS - Fluid delivery systems and related structures and processes are provided, such as for use with water, treated water, and/or a cleaning solution, for any of cleaning, cooling or any combination thereof, for one or more solar panels in a power generation environment. Enhanced coatings are provided for the incident surface of solar panels, such as to avoid build up of dirt, scale, or other contaminants, and/or to improve cleaning performance. Reclamation, filtration, and reuse structures are preferably provided for the delivered fluid, and seal structures may preferably be implemented between adjoining panels, to minimize loss of the delivered water or cleaning solution. The fluid delivery system may preferably be linked to an automated control system, such as but not limited to integrated DMPPT modules and related systems. | 2016-03-03 |
| 20160065125 | TRANSPARENT SOLAR-HEAT COLLECTING APPARATUS, SOLAR WATER HEATING SYSTEM, AND SOLAR COGENERATION SYSTEM - A transparent solar heat absorbing apparatus includes a transparent member allowing sunlight to pass through, a wavelength selective member disposed beneath the transparent member, a heating tank formed between the transparent member and the wavelength selective member. The wavelength selective member allows light in a transmission range including at least a visible wavelength range to pass through and reflects light in a reflection range including at least an infrared wavelength range. At least one of the transparent member and the wavelength selective member has a waveform structure on at least one of its upper surface and bottom surface. | 2016-03-03 |
| 20160065126 | METHOD FOR CONTROLLING A COOLING DEVICE FOR INCREASING THE LIFETIME OF COMPONENTS GENERATING WASTE HEAT, AND COOLING DEVICE - For controlling a cooling device with limited power during the cooling of an apparatus which generates waste heat to a variable extent over each of a plurality of operating periods, a maximum temperature is defined individually for different operating periods from among the operating periods such that a maximum power of the cooling device that occurs upon the control of the power of the cooling device, in order to limit a detected actual temperature (actT) of the apparatus to the defined maximum temperature, during the respective operating period complies with a predefined power of the cooling device. | 2016-03-03 |
| 20160065127 | ENHANCED SOLAR PANELS, LIQUID DELIVERY SYSTEMS AND ASSOCIATED PROCESSES FOR SOLAR ENERGY SYSTEMS - Fluid delivery systems and related structures and processes are provided, such as for use with water, treated water, and/or a cleaning solution, for any of cleaning, cooling or any combination thereof, for one or more solar panels in a power generation environment. Enhanced coatings are provided for the incident surface of solar panels, such as to avoid build up of dirt, scale, or other contaminants, and/or to improve cleaning performance. Reclamation, filtration, and reuse structures are preferably provided for the delivered fluid, and seal structures may preferably be implemented between adjoining panels, to minimize loss of the delivered water or cleaning solution. The fluid delivery system may preferably be linked to an automated control system, such as but not limited to integrated DMPPT modules and related systems. | 2016-03-03 |
