51st week of 2014 patent applcation highlights part 19 |
Patent application number | Title | Published |
20140368039 | METHOD FOR PROVIDING CONTROL POWER, TAKING INTO ACCOUNT A VARIABLE TARGET FREQUENCY - A method for producing control power for stabilizing an AC electrical grid, wherein the AC electrical grid operates at a variable desired frequency and the AC electrical grid comprises at least one control power supplier which is controlled in a decentralized manner and which controls the grid frequency to a predefined frequency, wherein the predefined frequency is adapted to the desired frequency. | 2014-12-18 |
20140368040 | VOLTAGE-STACKED SYSTEM FOR MANAGING STACKED VOLTAGE SOURCES BY USING MULTIPLE MONITORING CIRCUITS - A voltage-stacked system includes a first voltage source, at least one second voltage source, a master monitoring circuit and at least one slave monitoring circuit. The first voltage source and the at least one second voltage source are coupled in series. The master monitoring circuit is coupled to the first voltage source, and arranged for monitoring and controlling the first voltage source and transmitting a monitoring signal. The at least one slave monitoring circuit is respectively coupled to the at least one second voltage source and the master monitoring circuit for monitoring and controlling the at least one second voltage source, and accordingly sending a response signal to the master monitoring circuit. | 2014-12-18 |
20140368041 | RECONFIGURABLE HYBRID ENERGY STORAGE SYSTEM FOR ELECTRIFIED VEHICLES - The embodiments described herein relate to a reconfigurable energy storage system. In one embodiment, the reconfigurable energy storage system comprises a first energy storage system, a second energy storage system and a power converter. The power converter determines a first power level, a second power level and a load coupled to the power converter and manipulates the power transfer between the energy storage systems based on the first power level, the second power level and the load. In another embodiment, the reconfigurable energy storage system also comprises a third energy storage system. In this embodiment, the power converter determines a third power level corresponding to the third energy storage system and manipulates the power transfer between the energy storage systems based also on the third power level. The third power level may correspond to a state of charge of the third energy storage element or amount of power generated by the third energy storage system. | 2014-12-18 |
20140368042 | SYSTEMS AND METHODS FOR MULTI-USE MULTI-MODE UPS - A multi-mode uninterruptible power supply (UPS) is provided. The multi-mode UPS includes a first path including a rectifier and an inverter, and a second path in parallel with the first path, wherein the multi-mode UPS is operable in an economy mode in which power flows from a utility to a load through the second path while at least one of the rectifier and the inverter is activated, the at least one of the rectifier and the inverter operable to perform at least one of DC voltage regulation, reactive power compensation, and active damping. | 2014-12-18 |
20140368043 | SYSTEMS AND METHODS FOR GRID INTERACTIVE UPS - A grid interactive uninterruptible power supply (UPS) is provided. The grid interactive UPS includes a first path including a rectifier, an inverter coupled in series with the rectifier, and a battery coupled in parallel with the inverter. The grid interactive UPS further includes a second path in parallel with the first path, wherein the grid interactive UPS is operable to supply power from the battery to a grid coupled to an input of the grid interactive UPS. | 2014-12-18 |
20140368044 | RAIL INTEGRATED ENERGY SYSTEM - An energy management system using renewable energy resources to power an electric railcar along a rail and to distribute and store energy along a rail system is disclosed. The energy management system includes a power supply structured to generate electricity from renewable energy resources. A rail tie assembly, with a rail tie member, is positioned to support the rail and encloses a battery therein. The battery is electrically connected to the power supply. The rail tie assembly also includes at least one electricity transmission line, which is electrically connected to the battery and a railcar power transmission assembly. More specifically, the energy management system is structured to conduct electricity between the power supply and the battery, and to distribute power to a battery of an adjoining rail tie assembly. | 2014-12-18 |
20140368045 | Power Management and Energy Storage Method - A method for improving grid power quality despite the presence of rapidly changing loads and a rapidly changing supply. The inventive method includes an energy generation mode that is used when grid demand is relatively high and an energy storage mode that is used when the energy supply exceeds the grid demand. The method is able to rapidly switch between the two modes. In the energy storage mode some of the energy available from a source is transferred to a storage unit. In the energy generation mode, available energy and stored energy is transferred to the grid. | 2014-12-18 |
20140368046 | TECHNIQUES AND SYSTEMS FOR GENERATING POWER USING MULTI-SPECTRUM ENERGY - The present invention is directed to techniques and apparatus for generating power using multi-spectrum energy. An apparatus includes an electrical device and a power source, the power source comprising a multi-spectrum power generation system in electrical communication with the mobile electrical device, the multi-spectrum power generation system including a photovoltaic electrical power generator, and a microelectromechanical power generator; a primary power storage system in electrical communication with the electrical device; and a controller system in data communication with the multi-spectrum energy power generator systems to regulate electrical communication between the power storage system and the power generation system. In an alternative embodiment, the multi-spectrum power generation system may further a thermoelectric power generator. | 2014-12-18 |
20140368047 | POWER LINE COMMUNICATION ROUTING SYSTEM AND METHOD OF OPERATING THE SAME - A power line communication (PLC) routing system includes a plurality of micro inverters and a data collection apparatus connected to the micro inverters through a power line. After being installed in the building, the micro inverters are registered to the data collection apparatus. When submitting a connection request to the micro inverters but cannot receive the corresponding response, the data collection apparatus commands a micro inverter which has responded the request to transmit the request to another micro inverter which is out of time to response, and re-transmits data from the another micro inverter to the data collection apparatus. | 2014-12-18 |
20140368048 | WIRELESS CHARGING WITH REFLECTORS - A wireless power transmission method may employ pocket forming in combination with one or more reflectors for redirecting the formation of pockets of energy towards one or more locations or electronic devices of interest. A transmitter can be purposely aimed at the reflector which can then redirect the transmitted RF waves towards a receiver embedded or operatively coupled to the electronic device. These reflectors can be installed in the room ceiling, walls, or floor, in relation to the position of the transmitter and the electronic device. Reflectors can be made of metallic materials capable of reflecting RF waves and can exhibit various configurations, shapes, sizes and surface textures, according to the application. | 2014-12-18 |
20140368049 | Induction of Force performed by the Semiconductor Laser Diodes - Until now, the laser beam light is the main feature to be provided by semiconductor laser diodes. The highly ordered direct current of charge carriers injected into the active region of these electronic components above the lasing threshold can be used in innovative ways. This attribute is associated with a new theoretical concept when all particles which are part of macroscopic objects are widely coupled to each other via quantum entanglements—it can generate a distance force induction and a self-induction of force. Considering this, a force can be inducted in the external objects—thrusting them—and a force can be inducted in the own semiconductor laser diode structure for its self propulsion. | 2014-12-18 |
20140368050 | SYSTEM AND METHOD FOR DELAYED APPLICATION PROCESSOR INITIALIZATION - A system and method providing for delayed initialization of a device in a wireless charging environment. In certain aspects, a device is configured to detect power wirelessly received from a power transmitter. The device may further wirelessly transmit a message to the power transmitter in response to the received power, further determining that a power level of the received power has been adjusted in response to the message. In response to the determining the power level has been adjusted, a controller that is powered by the adjusted power level may be initialized. | 2014-12-18 |
20140368051 | CORDLESS EXTENSION CORD - A cordless extension cord for providing access to electrical power wirelessly to one or more corded electrical devices situated remotely from a power source. The cordless extension cord comprises a male plug and a female plug socket, wherein the male plug is configured to connect to a conventional power source and convert electrical energy into electromagnetic waves to be sent to the female plug socket and the female plug socket is configured to convert electromagnetic waves received from the male plug into electricity while physically engaged to conventional electrical plugs of electrical devices so as to provide such electricity through the conventional electrical plugs to the electrical devices. In this manner, the cordless extension cord allows electrical devices to receive electricity through their existing cord/plug structure without placement location being limited the length of the cord. | 2014-12-18 |
20140368052 | WIRELESS POWER RECEIVER SYSTEM - A wireless power receiver capable of receiving wireless power from close-coupled and mid-range wireless power supplies. The wireless power receiver includes a principal and supplemental receiver circuits. The principle receiver circuit is adjustable to operate in a close-coupled mode or a resonator mode. In close-coupled mode, the principle receiver circuit is coupled to the power input of a remote device and functions as the principle power source. In resonator-mode, the principle power circuit is electrically disconnected/isolated from the remote device and forms a closed resonant loop to function as a resonator that amplifies an electromagnetic field from a mid-range wireless power supply. The supplemental receiver circuit is coupled to the power input of the remote device and is configured to receive wireless power from the resonator and function as the power source when the principle receiver circuit is in the resonator mode. | 2014-12-18 |
20140368053 | METHOD AND APPARATUS FOR SETTING FREQUENCY OF WIRELESS POWER TRANSMISSION - The present disclosure relates to a method and apparatus for setting the frequency of wireless power transmission. To this end, the method for setting the frequency of a wireless power transmission apparatus can include the steps of: obtaining power transmission information from the wireless power receiving apparatus receiving a wireless power signal; and setting the transmission frequency of the wireless power signal on the basis of the obtained power transmission information. | 2014-12-18 |
20140368054 | ADAPTIVE INDUCTIVE POWER SUPPLY WITH COMMUNICATION - An adaptive inductive ballast is provided with the capability to communicate with a remote device powered by the ballast. To improve the operation of the ballast, the ballast changes its operating characteristics based upon information received from the remote device. Further, the ballast may provide a path for the remote device to communicate with device other than the adaptive inductive ballast. | 2014-12-18 |
20140368055 | POWER SUPPLY DEVICE, COMMUNICATION TERMINAL DEVICE, AND NON-CONTACT POWER TRANSMISSION METHOD - A power supply apparatus including a near-field wireless communication unit that wirelessly communicates with a plurality of communication terminals, a power transmission unit that sets a plurality of resonance frequencies to transfer power in a non-contact manner to each of the plurality of communication terminals, and a control unit that determines a priority level of each of the communication terminals based on identification information received from the communication terminals and determines an amount of power transmitted at each of the resonance frequencies based on the determined priority levels. | 2014-12-18 |
20140368056 | POWER TRANSMISSION SYSTEM - A power transmitting unit-side resonance circuit including a resonance capacitor connected in series to a power transmitting coil and a power receiving unit-side resonance circuit including a resonance capacitor connected in series to a power receiving coil are caused to resonate with each other so that each resonance circuit resonates. With this, power is transmitted between the power transmitting coil and the power receiving unit making use of magnetic field resonance coupling and electric field resonance coupling. By making use of resonance, only effective power is transmitted from the power transmitting unit side to the power receiving unit side, while reactive power that is reflected is reserved as resonance energy in each resonance circuit. | 2014-12-18 |
20140368057 | WIRELESS ENERGY TRANSFER - A system includes at least one active energy transfer coil and a first passive energy transfer coil. The active energy transfer coil is configured to couple with a power supply. The at least one active energy transfer coil has an active coupling range. The first passive energy transfer coil is magnetically coupled to the active energy transfer coil and is located within the active coupling range. The first passive energy transfer coil has a passive coupling range. The first passive energy transfer coil is configured to provide energy to a first device located within the passive coupling range and based on energy received from the at least one active energy transfer coil. | 2014-12-18 |
20140368058 | PHOTOVOLTAIC BYPASS AND OUTPUT SWITCHING - A PhotoVoltaic (PV) panel switching arrangement includes a first switch and a second switch, which in some embodiments are in a DC converter. The first switch is to be coupled between a power system and a first end of a circuit path of the PV panel, and the second switch is to be coupled between (i) a point between the first switch and the power system and (ii) a point between a second end of the circuit path and the power system. The switches are controlled for DC conversion of PV panel output where the circuit path of the PV panel is not to be bypassed, and to disconnect the first end of the circuit path from the power system and to close a bypass circuit path that bypasses the circuit path on a determination that the circuit path of the PV panel is to be bypassed. | 2014-12-18 |
20140368059 | TRANSFORMER, ELECTRONIC APPARATUS, AND METHOD FOR CONTROLLING TRANSFORMER - A transformer includes a core, a coil wound around the core, and a heat sink coupled to the coil. An electronic apparatus includes: a transformer that includes a core, a coil wound around the core, and a heat sink coupled to the coil; a temperature sensor that measures a temperature of the heat sink; and a controller that controls power to be supplied to the coil based on the temperature measured by the temperature sensor. | 2014-12-18 |
20140368060 | SAMPLE COOLING DEVICE FOR HISTOLOGICAL SAMPLES - A sample cooling device for histological samples is connectable to a power network for supplying electrical voltage to the device. The sample cooling device comprises a measuring apparatus for measuring a magnitude of an input line voltage present at the sample cooling device, and a transformer having a primary coil that comprises at least three coil pickoffs, and a secondary coil. The sample cooling device further comprises a switching means that connects two of the coil pickoffs to the power network as a function of the magnitude of the input line voltage, so that a magnitude of an output voltage present at the secondary coil has a predefined or predefinable voltage value irrespective of the magnitude of the input voltage. A corresponding method for supplying electrical power to a sample cooling device for histological samples is also disclosed. | 2014-12-18 |
20140368061 | MULTILAYER CASING DEVICE FOR ATTENUATING ELECTROMAGNETIC WAVES - A multilayer casing device for attenuating electromagnetic waves is made of at least one textile material, at least one metal material. The device is made up of a stack provided with at least, consecutively from the inside to the outside: a first diamagnetic metal material layer at least partially made of copper, a second textile layer at least partially made of wool or cotton, a third layer made of a ferromagnetic material, and a fourth textile layer at least partially made of wool and cotton. The device is also made up of a complementary stack of identical layers (the second textile layer, the third ferromagnetic layer and the fourth textile layer) extending symmetrically in relation to the first copper layer. | 2014-12-18 |
20140368062 | LINEAR SYNCHRONOUS MOTOR - Disclosed is a linear synchronous motor comprising an elongate stator extending in a longitudinal direction and having a plurality of coil windings, and a runner having a multiplicity of successive magnets disposed along the length thereof the longitudinal direction. The elongate stator has a plurality of elongate-stator segments arranged successively in the longitudinal direction, with each elongate-stator segment separated from the next successive elongate-stator segment by a gap. A total section length of one elongate-stator segment and an adjacent gap is a constant value over a plurality of successive elongate-stator segments, wherein a runner length measured in the longitudinal direction across all magnets successively disposed on the runner, is an integer multiple of the total section length. | 2014-12-18 |
20140368063 | MOTOR - A motor may include a rotor having a permanent magnet on an outer peripheral face of a rotation shaft and a fixed body having a stator, an opposite-to-output side radial bearing member, and an opposite-to-output side end plate. The opposite-to-output side radial bearing member may be formed with a bearing part, a flange part, and a recessed part recessed toward an output side. An end part on the output side of the bearing part may be located on the output side relative to the end part on the opposite-to-output side of the stator, and an end part on the opposite-to-output side of the rotation shaft protruded toward the opposite-to-output side from the shaft hole may be accommodated in an inside of the recessed part and is located on the output side relative to the end part on the opposite-to-output side of the fixed body in the axial line direction. | 2014-12-18 |
20140368064 | Rotor Assembly with Heat Pipe Cooling System - An electric motor cooling system is provided in which at least one heat pipe is captured within at least one hollow region within the motor's rotor shaft. An end of the heat pipe that extends out and away from the end of the rotor shaft is coupled to a heat exchanger, for example a heat sink in which the fins of the heat sink are shaped as fan blades. During motor operation, as the rotor heats up thermal energy is absorbed by the heat pipe within the rotor shaft and transferred to the heat sink for efficient removal. | 2014-12-18 |
20140368065 | Stator/rotor lamination sheet for stator/rotor laminations of generators and electric motors, stator/rotor lamination with such a stator/rotor lamination sheet as well as method for manufacturing a stator/rotor lamination sheet - A stator/rotor lamination sheet for a stator/rotor lamination of generators and electric motors has spacers, wherein the spacers are monolithic lamination sections that are bent out of a lamination sheet plane about a bending edge and create corresponding recesses in the lamination sheet, wherein the spacers transversely protrude from the lamination sheet plane. A method for manufacturing the stator/rotor lamination sheet provides that a stator/rotor lamination sheet is punched out of a metal sheet; lamination sections are partially punched out out of the metal sheet; and the partially punched-out lamination sections are bent out of a lamination sheet plane of the lamination sheet to form spacers of the lamination sheet. | 2014-12-18 |
20140368066 | AIR COOLING OF A MOTOR USING RADIALLY MOUNTED FAN - A motor cooling system is provided comprising an electric motor including a rotor having first and second axial ends, and a stator having first and second axial ends, a motor housing surrounding the motor including an air chamber extending around the motor and axially along the motor length, a motor enclosure enveloping the motor housing, and a cooling fan radially mounted to the motor enclosure and adapted to operatively cool said electric motor. | 2014-12-18 |
20140368067 | ROTOR FOR ROTATING ELECTRIC MACHINE - A rotor is provided for a rotating electric machine. The rotor includes a magnetic pole core and a cooling fan. The cooling fan includes a base plate laser-welded to an axial end face of the magnetic pole core and a plurality of fan blades extending from the base plate. Further, in the rotor, a weld formed between the base plate of the cooling fan and the magnetic pole core has a pair of open ends. | 2014-12-18 |
20140368068 | DEVICE FOR GUIDING A SET OF ELECTRICAL WIRES FOR ELECTRIC MOTOR ROTOR - A guiding device for coiling electrically conducting wires around an electrically conducting block of a rotor of an electric motor including a shaft extending axially in the rotor, the electrically conducting block including at least four notches for receiving wires. The guiding device includes at least two branches extending radially away from the shaft and disposed at 90° to one another, the branches being connected by an elastic linking mechanism. | 2014-12-18 |
20140368069 | ELECTRIC CONNECTOR CAPABLE OF SELECTING A TYPE OF ENGAGEMENT, AND ELECTRIC MOTOR INCLUDING THE SAME - An electric connector that is connectable to other connectors by many types of connection while waterproofing of the electric connector is maintained. The electric connector includes a connection holding part configured to hold a connection state with another connector by each of a plurality of types of engagement. The connection holding part includes a plurality of sections sectionalized in a relative moving direction for electrically connecting the electric connector to another connector. Each of the plurality of sections includes an engaging part corresponding to one of the types of engagement different from one another. | 2014-12-18 |
20140368070 | COIL WINDING STRUCTURE OF STATOR CORE - Disclosed herein is a coil winding structure of a stator core including: the stator core; an insulator covering the stator core and provided with a coil coupling part; and a coil wound around the stator core and connected to the coil coupling part of the insulator, wherein a solder is injected into the coil coupling part, such that the coil is electrically connected to an external connecting line. | 2014-12-18 |
20140368071 | HIGH EFFICIENCY ACCEL/DECEL SERVO DEVICE AND SYSTEM - A servo system for driving a load having a servo motor, a servo drive operatively coupled to the servo motor and a cyclic force convertor operatively coupled to the load is disclosed. | 2014-12-18 |
20140368072 | WINDSCREEN WIPER MOTOR - The invention relates to a windscreen wiper motor ( | 2014-12-18 |
20140368073 | Method For Producing A Housing Assembly, Housing Assembly And Ram Device - The invention relates to a method for producing a housing assembly ( | 2014-12-18 |
20140368074 | MOTOR INCLUDING FLEXIBLE PRINTED CIRCUIT BOARD STATOR - A motor having a compact and lightweight design may include a stator provided by a flexible printed circuit (flex circuit). The flex circuit may include a plurality of etched windings that provide coils for a plurality of motor phases. A printed circuit board of the motor may provide various device functions such as electrical commutation. The motor may be used in various applications such as a cooling fan for device electronics and gyroscopic applications. | 2014-12-18 |
20140368075 | PERMANENT MAGNET SYNCHRONOUS MACHINES WITH MAGNETIC FLUX REGULATION - An electrical machine has a permanent magnet component and a winding armature. The permanent magnet component is spaced apart for the winding armature. The winding armature includes a field excitation winding operative connected to the permanent magnet component. The field excitation winding is configured to selectively intensify and de-intensify the magnetic field of the permanent magnet for control of magnetic flux in the electrical machine. | 2014-12-18 |
20140368076 | Electric Motor - An electric motor includes a stator having multiple magnetic poles and a rotor rotatably mounted to the stator. The rotor includes a shaft, a commutator and a rotor core fixed to the shaft; and windings wound on the rotor core and electrically connected to the commutator. The rotor core is formed by stacking a plurality of laminations. Each lamination includes an inner ring having a hole for fixing the shaft; an outer ring radially spaced from the inner ring; multiple teeth extending outwardly from the outer ring, and multiple ribs connecting the inner ring to the outer ring. Each rib has a width w measured in a circumferential direction of the lamination. The number of ribs is n. The width w and the number n satisfy the formula: 0.75≦n×w | 2014-12-18 |
20140368077 | HYBRID EXCITATION ROTATING ELECTRICAL MACHINE - A hybrid excitation rotating electrical machine configured with a rotor having a shaft extended on at least one side in an axial direction, and first and second cores that are separated in the axial direction with a gap between the cores. First magnetic poles that are excited by a permanent magnet and second magnetic poles that are not excited by the permanent magnet are alternately arranged in a circumferential direction in each of the first and second cores. The first magnetic poles of the first core have a different polarity from that of the first magnetic poles of the second core, and the first magnetic poles of one of the first and second cores are placed so as to face the second magnetic poles of the other of the first and second cores in the axial direction with the gap between the magnetic poles. | 2014-12-18 |
20140368078 | ARMATURE AND ARMATURE MANUFACTURING METHOD - An armature including a core that includes plural teeth extending in a radial shape, and that has a slot formed between each of the plural teeth; a plurality of first winding coil sections formed by winding coil wire plural times spanning different respective sets of least two of the teeth, while shifting by one slot each time toward one side in the circumferential direction of the core; and a plurality of second winding coil sections formed by winding coil wire plural times spanning different respective sets of least two of the teeth, while shifting by one slot each time toward the other side in the circumferential direction of the core. | 2014-12-18 |
20140368079 | MOTOR AND METHOD FOR ASSEMBLING THE SAME - Embodiments provide a method for assembling a motor. The method may include providing a first rotor, a second rotor and a stator; and assembling the first rotor, the second rotor and the stator such that the stator is arranged between the first rotor and the second rotor. | 2014-12-18 |
20140368080 | STATOR CORE FOR ROTATING ELECTRIC MACHINE - A stator core for a rotating electric machine includes a plurality of split cores. Each of the plurality of split cores includes a back yoke, a tooth, and a single caulking portion. When each of the plurality of split cores is seen in an axial direction, two inner circumferential-side intersections and two outer circumferential-side intersections are defined, both circumferential-end surfaces of the tooth intersect an inner circumferential surface of the back yoke at the two inner circumferential-side intersections, virtual lines drawn by extending both the circumferential-end surfaces of the tooth intersect an outer circumferential surface of the back yoke at the two outer circumferential-side intersections, a central position of the caulking portion is disposed in an opposing angular region on a radially outer side out of four opposing angular regions defined by lines diagonally connecting the two inner circumferential-side intersections to the respective two outer circumferential-side intersections. | 2014-12-18 |
20140368081 | ROTOR OF PERMANENT-MAGNET EMBEDDED MOTOR, AND COMPRESSOR, BLOWER, AND REFRIGERATING/AIR CONDITIONING DEVICE USING THE ROTOR - A rotor of a permanent-magnet embedded motor includes a rotor core having magnet insertion holes along a circumferential direction and a magnet inserted into each of the holes, wherein a gap is formed at opposite ends of a hole at a time of inserting the magnet therein, an outer peripheral face of the core is formed by a first curved surface formed from a magnetic pole center to between poles, with a radial distance from a shaft center of the core being largest at the pole center on the peripheral face, and a second curved surface formed from an interpolar portion toward the pole center to intersect with the first curved surface, with the radial distance from the shaft center being smallest in the interpolar portion on the peripheral face, and wherein a length of the first curved surface is larger than a length of the second curved surface. | 2014-12-18 |
20140368082 | LIMITING RADIAL EXPANSION IN ROTOR BALANCING - A rotor including: a shaft; a structure comprising at least one end ring and rotor bars, wherein at least the end ring comprises a material subject to expansion or movement radially outward from the shaft upon a rotor balancing process that involves spinning of the structure; a core that at least partially encloses the rotor bars; and means for limiting the expansion or movement of the structure radially outward. A method including: providing a structure comprising at least one end ring and rotor bars, wherein at least the end ring comprises a material subject to expansion or movement radially outward from the shaft upon spinning of the structure; assembling a rotor from the structure and a core, the core at least partially enclosing the rotor bars; spinning the rotor in a rotor balancing process; and limiting the expansion or movement of the structure radially outward in the rotor balancing process. | 2014-12-18 |
20140368083 | PIEZOELECTRIC ELEMENT - Poly(α-amino acid) which contain: (A) a glutamic acid γ-ester unit represented by formula (I): and (B) one or more kinds of units selected from a glutamic acid γ-ester unit represented by formula (II), an alanine unit, a phenylalanine unit and an N | 2014-12-18 |
20140368084 | Acoustic Wave Device and Method for Manufacturing Same - An SAW device ( | 2014-12-18 |
20140368085 | Piezoelectric Component and Method for Producing a Piezoelectric Component - A piezoelectric component includes a main body, which is surrounded at least in part by an enclosure for protecting the main body. The enclosure includes a structured foil. A method for producing a component of this type is also specified, in which a main body of the component and a structured foil are provided. The structured foil is then wound around the main body. | 2014-12-18 |
20140368086 | ACTUATOR MODULE HAVING A MULTI-LAYER ACTUATOR ARRANGED IN A HOUSING AND A CONTINUOUSLY EXTREMELY LOW LEAKAGE CURRENT AT THE ACTUATOR SURFACE - The invention relates to actuator module ( | 2014-12-18 |
20140368087 | PIEZOELECTRIC ACTUATOR DEVICE AND METHOD FOR MANUFACTURING SAME - A piezoelectric actuator device includes a vibrator and a driver to vibrate the vibrator. The vibrator includes a lower vibration layer configured to vibrate and an upper vibration layer coupled to an upper surface of the lower vibration layer and configured to vibrate together with the lower vibration layer. The driver includes an upper electrode layer on a lower surface of the lower vibration layer, a piezoelectric layer on a lower surface of the upper electrode layer, and a lower electrode layer on a lower surface of the piezoelectric layer. The lower vibration layer of the vibrator is made of organic material. The upper vibration layer is mainly made of inorganic material. The lower vibration layer has a smaller longitudinal elastic modulus than the upper vibration layer. The piezoelectric actuator device has a large resistance to disturbance vibrations and a large warping amount of the vibrator without increasing power consumption. | 2014-12-18 |
20140368088 | PIEZOELECTRIC DEVICE AND ELECTRONIC APPARATUS - A piezoelectric device includes a vibrator, a piezoelectric drive unit, and a first piezoelectric detector. The vibrator includes a first surface, a first groove formed along a first axis direction, and a second groove formed to be parallel to the first groove. The piezoelectric drive unit includes a first electrode pair provided in the first groove and opposed to each other in a second axis direction orthogonal to the first axis direction and parallel to the first surface, and a first piezoelectric body provided between the first electrode pair, and is capable of vibrating the vibrator. The first piezoelectric detector includes a second electrode pair provided in the second groove and opposed to each other in the second axis direction, and a second piezoelectric body provided between the second electrode pair, and is capable of detecting a vibration of the vibrator. | 2014-12-18 |
20140368089 | PIEZOELECTRIC VIBRATING PIECE, PIEZOELECTRIC DEVICE, AND METHOD FOR FABRICATING THE PIEZOELECTRIC DEVICE - A piezoelectric vibrating piece includes an excitation electrode and an extraction electrode. The excitation electrode is formed in a vibrating portion. The extraction electrode is extracted from the excitation electrode to one side portion. The piezoelectric vibrating piece includes a front surface and a back surface. At least one of the front surface and the back surface includes an index mark formed in a region. The region includes at least a part of a side portion on an opposite side of the one side portion. The region allows application of an adhesive. | 2014-12-18 |
20140368090 | PIEZOELECTRIC DEVICE AND PIEZOELECTRIC CERAMIC COMPOSITION - A piezoelectric device is provided with: a piezoelectric ceramic layer that is obtained by firing a piezoelectric ceramic composition which contains a perovskite composition and an Ag component; and a conductor layer that sandwiches the piezoelectric ceramic layer, wherein Ag is segregated in voids in a sintered body of the perovskite composition in the piezoelectric ceramic layer. The piezoelectric ceramic composition preferably contains a perovskite composition which is represented by (Pba.Rex){Zr | 2014-12-18 |
20140368091 | INTERNAL ELECTRODE FOR PIEZOELECTRIC DEVICE, PIEZOELECTRIC DEVICE INCLUDING THE SAME, AND METHOD FOR MANUFACTURING PIEZOELECTRIC DEVICE - There is provided a piezoelectric device, including: a multilayered body in which a piezoelectric layer having a first internal electrode formed thereon and a piezoelectric layer having a second internal electrode formed thereon are alternately formed; a first insulating via formed in the first internal electrode layer; a second insulating via formed in the second internal electrode layer; a first conductive via formed in the multilayered body and penetrating through the first insulating via; and a second conductive via formed in the multilayered body and penetrating through the second insulating via, wherein a diameter of the first insulating via is larger than a diameter of the first conductive via, and a diameter of the second insulating via is larger than a diameter of the second conductive via. | 2014-12-18 |
20140368092 | IN-WHEEL MOTOR AND ELECTRICALLY DRIVEN VEHICLE - The in-wheel motor for installation inside a wheel disk of a wheel includes: a cylindrical coil body; a coil body support member fixed to a shaft; an outer yoke that is disposed on an outer circumferential side of the coil body, and is fixed to a wheel disk; a cylindrical inner yoke that is disposed on an inner circumferential side of the coil body, and is rotatable around the shaft; and a magnet that is fixed on one of an inner circumferential face of the outer yoke and an outer circumferential face of the inner yoke, the magnet disposed to face a circumferential face of the coil body. | 2014-12-18 |
20140368093 | Multiple Field Motor Controller - An electric motor including a first conductive winding, a second conductive winding, a rotor, and a controller is disclosed. When energized by an AC source, the first conductive winding generates a first magnetic field. The second conductive winding, which is configured to be selectively energized by the AC source via one or more switches, is arranged so as to generate a second magnetic field superimposed with the first magnetic field when so energized. The rotor magnetically interacts with the first magnetic field, or the superimposed first magnetic field and second magnetic field, such that a torque is applied on the rotor. The controller is configured to: (i) obtain a measurement of a voltage of the AC source; (ii) make a determination, based on the measurement, whether to energize the second conductive winding; and (iii) energize the second conductive winding in accordance with the determination. | 2014-12-18 |
20140368094 | AC GENERATOR - In an AC generator, a protective cover includes a locking claw provided so as to extend outward in an axial direction from an open-side end surface of a peripheral wall portion. The locking claw includes an axial portion and a claw portion provided so as to project radially from an end portion of the axial portion. The locking claw is configured to be locked to a casing. The protective cover also includes a locking-claw restricting portion formed on an outer peripheral edge portion of a bottom portion. | 2014-12-18 |
20140368095 | ENERGY CONVERSION DEVICE - [Problem] To allow for an increase in the output of an energy conversion device having a plurality of permanent magnets arranged in a ring shape. [Solution] A cover ( | 2014-12-18 |
20140368096 | FLAT PANEL CONSOLE/CABINET ENTERTAINMENT CENTER - A slim profile wall mounted cabinet used in conjunction with a wall hanging flat panel television set having a door or doors opening downward at 90 degrees from the frame of the unit becoming a shelf upon which various electronic devices and other arc safely secured and contained within the unit. | 2014-12-18 |
20140368097 | DISPLAY DEVICE - A display device includes: a display portion; and a storage member configured to house the display portion and including an opening through which the display portion passes, wherein the display device further includes: a plurality of cover members configured to cover the opening and to travel from the opening to a region of the storage member adjacent to the opening so as to be folded up and overlapped with each other at the region; travel control means configured to cause the plurality of cover members to transfer to a first condition in which the opening is closed by the plurality of cover members, and also to a second condition in which the plurality of cover members are folded up and overlapped with each other, and configured to cause the display portion to transfer to rise-up and storage conditions; and only one drive source configured to drive the travel control means. | 2014-12-18 |
20140368098 | LAUNDRY TREATING APPLIANCE - A laundry treating appliance for treating a load of laundry according to an automatic cycle of operation includes a cabinet and a vessel, such as a tub or drum, suspended within the cabinet. An embossed pattern is provided on at least one wall or panel of the cabinet to complement the outer peripheral shape of the vessel. | 2014-12-18 |
20140368099 | COOLED ELECTRONIC PART ENCLOSURE - A case assembly encloses heat generating electronic components. The case includes first and second housing parts which can be cast from the same mold. Covers are mounted to the housings to form coolant passages. The housing parts include built-in the connecting parts which are coupled together to form additional coolant passages. One of the connecting parts has a lip which sealingly receives an end of another connecting part. The lip is received by a slot adjacent to the other connecting part. The slot communicates with an exterior of the housing. | 2014-12-18 |
20140368100 | LOCATION AND SUPPORT SYSTEM FOR AIRCRAFT GALLEY APPLIANCE INSERTS - A location and support system for installation of an aircraft galley insert case for location and attachment of an aircraft galley insert in an aircraft galley monument includes a floating stabilizer connector fixedly mounted to an upper surface of the aircraft galley insert case, and a floating receiver shelf engagement insert fixedly mounted to an attachment slot in an upper portion of a compartment in the aircraft galley monument for receiving the aircraft galley insert case. The floating receiver shelf engagement insert includes a slotted portion configured to removably receive the floating stabilizer connector. The aircraft galley insert may also include a plurality of ceramic spacers embedded in formed insulation. | 2014-12-18 |
20140368101 | AIRCRAFT GALLEY WITH APPLIANCE INSERTS - An aircraft galley with appliance inserts includes a system for locating and attaching an aircraft monument such as a galley insert or a galley appliance, a single line replaceable unit, or part of a componentized system, within an aircraft galley to provide primary structural support for functional components of the aircraft monument required for normal operation. The system includes an inner liner with upper and lower fixed, sliding or floating connectors, which can include thermal insulators. | 2014-12-18 |
20140368102 | CASH BOX WITH A PARTIALLY PLATE-SHAPED CLOSING UNIT AND DEVICE FOR HANDLING NOTES OF VALUE - The invention relates to a cash box ( | 2014-12-18 |
20140368103 | REFRIGERATOR - A refrigerator is disclosed. The refrigerator is able to store food at a low temperature and to effectively remove bacteria of the food stored in a storage room, to maintain the storage room clean. | 2014-12-18 |
20140368104 | SLIDING DRAWER STORAGE RACK FOR COLD STORAGE UNITS - A sliding drawer storage rack for cold storage units includes a rack body and a plurality of shelves operatively coupled to the rack body. A drawer defines a storage cavity and is configured to be supported for sliding movement by at least one of the plurality of shelves. A plurality of divider lips extends upwardly from the drawer to divide the storage cavity into a plurality of box receptacles sized to receive a storage box. At least some of the plurality of shelves are defined by opposing first and second L-shaped supports laterally spaced from each other and coupled to the rack body, thereby reducing material use and weight of the storage rack. | 2014-12-18 |
20140368105 | SPARK PLUG - A spark plug has a metal shell and a ground electrode joined at a base end portion thereof to the metal shell and includes a surface layer and a core higher in thermal conductivity than the surface layer. The surface layer has a thickness of 0.2 to 0.4 mm at a specific position that is located 1 mm from the base end portion. The spark plug satisfies the following condition: W1≧W2×1.55−(W3+0.25) where W1 (mm) is a width of the metal shell at a weld region of the metal shell joined with the base end portion in a specific direction that extends perpendicular to the axis direction through a center line of the ground electrode; W2 (mm) is a thickness of the ground electrode at the specific position in the specific direction; and W3 (mm) is a thickness of the surface layer at the specific position in the specific direction. | 2014-12-18 |
20140368106 | LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS - A light-emitting device is equipped with a first light-emitting element and a second light-emitting element that are formed above a base, and a sealing layer that coats the first light-emitting element and the second light-emitting element. At least one of an interval between the first light-emitting element and the second light-emitting element, a pitch between the first light-emitting element and the second light-emitting element, or a width of the light-emitting elements is less than or equal to a film thickness of the sealing layer. | 2014-12-18 |
20140368107 | ORGANIC ELECTROLUMINESCENT DEVICE DISPLAY AND METHOD FOR MANUFACTURING THE SAME - Disclosed is a light emitting device. More specifically, disclosed are an organic electroluminescent device display and a method for manufacturing the same. The organic electroluminescent device display includes a substrate, an organic electroluminescent device disposed on the substrate, a sealing cap for sealing the organic electroluminescent device, and a getter disposed inside the sealing cap, the getter comprising a graphene layer. | 2014-12-18 |
20140368108 | LASER ACTIVATED MAGNETIC FIELD MANIPULATION OF LASER DRIVEN ION BEAMS - A system for generating pulses of charged particles, comprising a high intensity pulsed laser emitting laser pulses which, when impacting a target, generate pulses of charged particles. The particles passes through an electromagnet energized by a low inductance current feed incorporating a light activated switch to turn the energizing current on and off. Part of the light of the laser pulse is directed onto the light activated switch, such that the magnetic field is optically synchronized with the generated pulses of charged particles. This enables energizing the magnet only during passage of the pulses, such that it is lighter and more energy efficient than prior art systems using CW electromagnets. Synchronization also enables selection of charged particles having a predetermined range of particle energy, by timing activation of the magnetic field such that it diverts onto a selected beam path only the particles having the predetermined range of energies. | 2014-12-18 |
20140368109 | INDUCTION RF FLUORESCENT LAMP WITH PROCESSOR-BASED EXTERNAL DIMMER LOAD CONTROL - A processor controlled induction RF fluorescent lamp, where the control processor runs a load control algorithm at least for switching the electrical load for connection to an external dimming device, the lamp comprising a vitreous envelope filled with an ionizable gas mixture; a power coupler comprising at least one winding of an electrical conductor; and an electronic ballast providing appropriate voltage and current to the power coupler. | 2014-12-18 |
20140368110 | PLASMA PROCESSING APPARATUS AND PLASMA PROCESSING METHOD - There is provided a plasma processing apparatus which can improve density uniformity of plasma excited by a high frequency wave as in the VHF frequency band for a substrate having a large size. The plasma processing apparatus includes a waveguide member defining a waveguide, a coaxial tube supplying electromagnetic energy from a predetermined power supply position in the longitudinal direction of the waveguide into the waveguide, first and second electrodes for electric field formation disposed so as to face a plasma formation space, and a coil member disposed in the waveguide so as to generate a voltage by electromagnetic induction due to a magnetic field and also electrically connected to the first and second electrodes. | 2014-12-18 |
20140368111 | LONG LIFE, FAIL SAFE TRAFFIC LIGHT - The present disclosure is directed to a method for detecting a failure in a signal light. In one embodiment, the method includes monitoring operation of one or more light emitting diodes (LEDs) of the signal light coupled to a constant current driver, detecting a short circuit in at least one of the one or more LEDs and signaling a failure in the signal light when the short circuit is detected. | 2014-12-18 |
20140368112 | ILLUMINATED MAKEUP MIRROR SET AND METHOD OF CONTROLLING LIGHT SOURCE - An illuminated makeup mirror set includes: a mirror unit; a surface light source for illumination with adjustable color and adjustable brightness; a memory unit in which illumination conditions corresponding to a plurality of scenes are stored; a detection unit for detecting the color and brightness of ambient light at an installation position of the makeup mirror set; a selection unit for selecting one of the plurality of scenes according to an input operation; an acquisition unit for acquiring, from the memory unit, illumination conditions corresponding to the scene selected through the selection unit; and an adjustment unit for adjusting the color and brightness of the surface light source according to the color and brightness of the ambient light detected by the detection unit and the illumination conditions acquired by the acquisition unit. | 2014-12-18 |
20140368113 | Twin Aisle Light Architecture - A lighting system includes a base unit and a first modular light. The first modular light includes a first light unit, and a first lighting technology module. The first light unit includes a first light element that emits light, and a first mechanical, electrical, and control signal physical light unit interface that is removably coupled to a first mating light unit interface on the base unit. The first lighting technology module is physically separate from the first light unit and includes a first light driver that drives the first light element, a first light engine that is coupled to the first light driver, and a first mechanical, electrical, and control signal physical light technology module interface that is removably coupled to a first mating light technology module interface on the base unit. | 2014-12-18 |
20140368114 | LIGHTING SYSTEM WITH THERMAL MANAGEMENT SYSTEM - Lighting systems having unique configurations are provided. For instance, the lighting system may include a light source, a thermal management system and driver electronics, each contained within a housing structure. The light source is configured to provide illumination visible through an opening in the housing structure. The thermal management system is configured to provide an air flow, such as a unidirectional air flow, through the housing structure in order to cool the light source. The driver electronics are configured to provide power to each of the light source and the thermal management system. | 2014-12-18 |
20140368115 | LIGHTING DEVICE, METHOD OF CONTROLLING THE SAME, AND LIGHTING SYSTEM - A lighting device which includes: a light source; a receiving unit which receives a control signal from outside the lighting device via wireless communication; and a control unit which causes the light source to emit light according to the control signal received by the receiving unit. When the receiving unit receives, from the outside the lighting device via the wireless communication, a test signal different from the control signal and for determining a state of the wireless communication, the control unit calculates a packet error rate of the test signal received by the receiving unit and causes the light source to emit light such that an emission state is changed according to a communication quality of the wireless communication determined based on at least the calculated packet error rate. | 2014-12-18 |
20140368116 | WIRELESS LIGHTING CONTROL - In a group of associated luminaires, a master luminaire may receive control signals from an external controller, such as over a set (pair) of wires (input leads), and will pass these signals wirelessly (via signaling LEDs and phototransistors) to slave luminaires. Hence, the slave luminaires need not have input leads or control wires extending therefrom. Eliminating wires extending from luminaires may increase the reliability and longevity of the luminaires. Various modulation schemes may be applied to address individual slave luminaires or groups thereof. Method and Apparatus are disclosed. | 2014-12-18 |
20140368117 | SOLID STATE LIGHTING DEVICES AND METHODS OF MANUFACTURING THE SAME - Lighting devices comprising first, second and third strings of solid state lighting devices. One aspect further comprises means for supplying first fixed current through the first string, means for supplying second fixed current through the second string, and means for supplying current through the third string. In a second aspect, the first and second strings emit light within a specific area on a 1931 CIE Chromaticity Diagram, and the third string emits light of dominant wavelength 600-640 nm. A third aspect further comprises a power line and a power supply configured to supply a first and second fixed currents through the first and second strings, respectively, and supply a current to the third string. A method of making a lighting device, comprising measuring color output, adjusting current to first, second and/or third strings, and permanently setting currents to the first and second strings. | 2014-12-18 |
20140368118 | DUAL POWER SMPS FOR A MODULAR LIGHTING SYSTEM - Methods and systems described herein provide efficient lighting where electric grid systems are unreliable. One as-peel includes a light assembly that includes an input to receive power from a power source, a controllable power supply having a control input, a power input coupled to the first input, and an output to provide a voltage level controllable based on a control signal received at the control input, a light circuit coupled to the output of the controllable power supply and configured to provide output light in response to the output voltage, a feedback circuit configured to detect a current to a battery and a voltage across the battery and having an output coupled to the control input of the controllable power supply to provide the control signal to the controllable power supply based on at least one of the current to the battery input and the voltage across the battery. | 2014-12-18 |
20140368119 | LIGHT EMITTING DIODE LIGHTING APPARATUS AND DRIVING METHOD THEREOF - There is provide a light emitting diode lighting apparatus capable of being generally used in various kinds of dimmer, the apparatus including: a dimmer varying waveforms of input power according to a dimming signal; a bleeder adjusting a bleeding current under control; a controller comparing a latching current of the dimmer with the bleeding current of the bleeder to control the amount of the bleeding current; and an LED driver receiving a current other than the bleeding current flowing through the bleeder from among the currents from the dimmer to driver a light emitting diode (LED). | 2014-12-18 |
20140368120 | BALLAST WITH ANTI-STRIATION CIRCUIT - A ballast comprises an inverter circuit for providing an oscillating current signal for energizing the at least one lamp. The inverter circuit comprises a first switching component and a second switching component each having a collector terminal, a base terminal, and an emitter terminal. And, each switching component is configured for alternately operating between a conductive state and a non-conductive state. A first collector-emitter circuit is connected between the collector terminal and the emitter terminal of the first switching component, wherein the first collector-emitter circuit has a first resistance of zero or more Ohms. A second collector-emitter circuit is connected between the collector terminal and the emitter terminal of the second switching component, wherein the second collector-emitter circuit has a second resistance of zero or more Ohms and the first resistance and the second resistance are unequal. | 2014-12-18 |
20140368121 | SYSTEM AND APPARATUS FOR APPLYING AN ELECTRIC FIELD TO A COMBUSTION VOLUME - A combustion system is provided, in which respective waveforms are applied to each of a plurality of electrodes positioned in a combustion volume, producing periodic electric fields between pairs of the electrodes. A safety circuit is configured to reduce or eliminate danger by grounding each of the plurality of electrodes or otherwise driving each of the electrodes to a safe state upon detection of a safety condition. | 2014-12-18 |
20140368122 | METHOD AND CIRCUIT ARRANGEMENT FOR OPERATING LIGHT-EMITTING MEANS, WITH BEAT AVOIDANCE - The invention relates to an operating circuit for illuminants, in particular one or more LED sections ( | 2014-12-18 |
20140368123 | LIGHT-EMITTING METAL-OXIDE-SEMICONDUCTOR DEVICES AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS - Various embodiments of solid state transducer (“SST”) devices are disclosed. In several embodiments, a light emitter device includes a metal-oxide-semiconductor (MOS) capacitor, an active region operably coupled to the MOS capacitor, and a bulk semiconductor material operably coupled to the active region. The active region can include at least one quantum well configured to store first charge carriers under a first bias. The bulk semiconductor material is arranged to provide second charge carriers to the active region under the second bias such that the active region emits UV light. | 2014-12-18 |
20140368124 | DRIVER WITH ISOLATION AND SURGE SIGNAL PROTECTION | 2014-12-18 |
20140368125 | LIGHTING PANEL WITH DISTRIBUTED CAPACITANCE - A system for capacitively transferring power to LEDs using intrinsic circuit board capacitance is disclosed. The plates of the capacitor are foil on either side of an insulating substrate. An AC source may deliver energy to a circuit, featuring an intrinsic circuit board capacitor in series with an LED. | 2014-12-18 |
20140368126 | LED LAMP - An LED lamp comprises: a first LED part, a second LED part that is connected to the first LED part in parallel and is configured to emit a light with a color temperature lower than that of a light to be emitted from the first LED part, and an impedance circuit that is connected to the first LED part in parallel while being connected to the second LED part in series. | 2014-12-18 |
20140368127 | FIELD CONFIGURABLE LED DRIVERS FOR LIGHTING - Computerized methods are provided herein for remotely configuring a driver operable to power an illumination system, over a wide area network. A configuration request is received by a configuration server over the wide area network to configure the driver. The configuration request is from a configuration client operatively attached over the wide area network to the configuration server. The driver is configured by transmitting instructions from the configuration server to the configuration client to produce a driver configuration. A data base attached to the configuration server is updated based on the driver configuration. | 2014-12-18 |
20140368128 | ACTIVE CAPACITOR CIRCUIT - The present invention relates to an active capacitor circuit ( | 2014-12-18 |
20140368129 | LED LIGHTING DEVICE - This LED lighting device makes a maximum current to minimum current flowing in an LED a target proportion regardless of LED driving circuit performance and without erroneous operation. An LED lighting device ( | 2014-12-18 |
20140368130 | SYSTEMS AND METHODS FOR PROVIDING THERMAL FOLD-BACK TO LED LIGHTS - In various embodiments, a module for providing thermal fold-back protection to an illumination device includes a housing, at least one temperature sensor, and thermal fold-back circuitry. | 2014-12-18 |
20140368131 | MOTOR DRIVE DEVICE - A motor drive device includes a bridge circuit | 2014-12-18 |
20140368132 | Converter Unit for an Asynchronous Machine - A converter unit having at least one output. The at least one output is configured to be connected to a coil of an asynchronous machine. The converter unit is configured to provide several voltage levels at the at least one output. | 2014-12-18 |
20140368133 | ELECTRIC WORKING MACHINE - An electric working machine including: a motor; a driving unit configured to be driven by the motor; a trigger switch configured to allow rotation of the motor; a power supply unit configured to supply electric power to the motor; and a control unit configured to control rotation of the motor, characterized in that: the electric working machine further comprises a switching element configured to perform short-circuiting between terminals of the motor to apply electronic braking, wherein the control unit is configured to perform adjustment of the braking by controlling the switching element when stopping the motor. | 2014-12-18 |
20140368134 | ELECTRIC VEHICLE DRIVE SYSTEM - An electric vehicle drive system includes an electric-vehicle power conversion device, and an earth ground switch that is a triple-pole single-throw switch having a switching contact unit. The electric-vehicle power conversion device includes a smoothing circuit unit that includes a filter capacitor that receives and stores therein power supplied from an overhead wire, an inverter that converts a DC voltage of the smoothing circuit unit into an AC voltage to drive an electric motor, and a brake chopper circuit that consumes excess power, which cannot be returned toward the overhead wire. A brake resistance in the brake chopper circuit is connected to the switching contact unit. When the switching contact unit is closed, the brake resistance is electrically connected between the positive electrode and the negative electrode of the filter capacitor. | 2014-12-18 |
20140368135 | CONTROL DEVICE FOR ALTERNATING CURRENT ROTARY MACHINE - A control device for AC rotary machine includes a current vector detection section ( | 2014-12-18 |
20140368136 | REDUCING THE POWER CONSUMPTION OF A BRUSHLESS MOTOR - A method of controlling a brushless motor. The method includes measuring a temperature of the motor, adjusting a control value in the event that the measured temperature is lower than a threshold, and exciting a winding of the motor. The control value is then used to define an attribute of excitation, and the adjustment to the control value reduces the input power of the motor. | 2014-12-18 |
20140368137 | MOTOR CONTROL DEVICE AND CONTROL METHOD THEREOF - A rail vehicle comprises: a permanent magnet synchronous motor; an inverter for driving the permanent magnet synchronous motor; and a vehicle speed sensor for detecting the vehicle speed VTcar. The initial rotational speed ωest0 is estimated based on the vehicle speed VTcar; the angular velocity (ωest) is estimated, taking the initial rotational speed (ωest0) as the initial value; the rotational phase angle (θest) is estimated based on the angular velocity (ωest); and the inverter ( | 2014-12-18 |
20140368138 | METHOD OF CONTROLLING A BRUSHLESS PERMANENT-MAGNET MOTOR - A method of controlling a brushless permanent-magnet motor. The method includes dividing each half of an electrical cycle of the motor into a conduction period followed by a primary freewheel period. The conduction period is then divided into a first excitation period, a secondary freewheel period, and a second excitation period. The method then involves exciting a winding of the motor during each excitation period and freewheeling the winding during each freewheel period. The secondary freewheel period has a position and length within the conduction period that acts to reduce the harmonic content of current in the winding relative to back EMF in the winding. As a result, the efficiency of the motor is improved. | 2014-12-18 |