04th week of 2020 patent applcation highlights part 61 |
Patent application number | Title | Published |
20200028310 | Power busbar connection tool - The invention relates to an electric device, especially to a power busbar connection tool, said tool comprises an hydraulic cylinder drive unit and an electric control unit, a stationary portion removably connected to a busbar, a movable portion removably connected to a busbar and a loading portion for clamping connecting rods. Said movable portion is movably connected to a first and second stationary shaft of said stationary portion, said movable portion is fixedly connected to said hydraulic cylinder drive unit by a movable shaft, said movable shaft is driven to slide axially with respect to said first and second stationary shaft by said hydraulic cylinder drive unit, said loading portion is movably connected to said second stationary shaft and slides between a body of said stationary portion and a body of said movable portion, said loading portion rotates around said second stationary shaft. It is achieved that a plurality of connecting rods are simultaneously mounted to busbars and that two busbars are connected in a form of butt-and-butt connecting. | 2020-01-23 |
20200028311 | LASER CAVITY OPTICAL ALIGNMENT - The disclosure describes aspects of laser cavity optical alignment, and more particularly, in situ alignment of optical devices in an optical system for replacement or upgrade. In one aspect, a method for optical alignment in an optical system is described that includes providing, via a positioning system, an optical beam to measure surface features and position of a first device under test (DUT), removing the first DUT from the optical system, placing a second DUT in the optical system at substantially the same position from which the first DUT was removed, providing, via the positioning system, an optical beam to measure surface features and position of the second DUT, aligning the second DUT based on the measurements made of the first DUT and the second DUT, and verifying operation of the second DUT in the optical system. The DUT can be an optical device such as an output optical coupler. | 2020-01-23 |
20200028312 | LASER CAVITY REPETITION RATE TUNING AND HIGH-BANDWIDTH STABILIZATION - The disclosure describes aspects of laser cavity repetition rate tuning and high-bandwidth stabilization of pulsed lasers. In one aspect, an output optical coupler is described that includes a cavity output coupler mirror, a piezoelectric actuator coupled to the cavity output coupler mirror, a locking assembly within which the cavity output coupler mirror and the piezoelectric actuator are positioned, and one or more components coupled to the locking assembly. The components are configured to provide multiple positional degrees of freedom for tuning a frequency comb spectrum of the pulsed laser (e.g., tuning a repetition rate) by adjusting at least one position of the locking assembly with the cavity output coupler mirror. A method of adjusting an output optical coupler in a pulsed laser is also described. These techniques may be used in different applications, including quantum information processing. | 2020-01-23 |
20200028313 | Arrangement of Expanding Optical Flows for Efficient Laser Extraction - A set of optical elements for optical extraction composed of packed expanding optical cross sections to efficiently extract from a large gain region. The elements are rectangular shaped concave small expansion lenses matched to rectangular convex collimating lenses. Absorbing sheets divide an overall large volume up into smaller volumes to minimize losses due to amplified spontaneous emission. This arrangement has various applications, particularly in inertial confinement technology, where it may be used to extract energy from KrF laser media energized by electron beams. For certain applications, this regime of the gain medium may have zones at the absorbing sheets where this is no gain. | 2020-01-23 |
20200028314 | AMPLIFICATION OPTICAL FIBER, FIBER LASER DEVICE, AND OPTICAL RESONATOR - An amplification optical fiber includes: a core; an inner cladding having a refractive index lower than a refractive index of the core, wherein an active element pumped by pumping light is entirely doped to the core, and a relative effective refractive index difference of light in an LP01 mode is greater than or equal to 0.05% and a relative effective refractive index difference of light in an LP21 mode is less than 0.05% in light propagating through the core. | 2020-01-23 |
20200028315 | SYSTEM AND METHOD FOR PLASMONIC CONTROL OF SHORT PULSES IN OPTICAL FIBERS - The present disclosure relates to an optical waveguide system. The system may include a first waveguide having a core-guide and a material portion surrounding and encasing the core-guide. The core-guide enables a core-guide mode for an optical signal travelling through the core-guide. A second waveguide forms a lossy waveguide on an outer surface of the first waveguide. The construction of the second waveguide is such as to achieve a desired coupling between the core-guide mode and the lossy waveguide to control an energy level of the optical signal travelling through the core-guide. | 2020-01-23 |
20200028316 | LASER SOURCE FOR EMITTING A GROUP OF PULSES - A laser source for emitting a group of pulses, includes a primary laser source suitable for emitting at least one primary laser pulse; at least one interferometer suitable for forming, from the primary laser pulse, a plurality of secondary laser pulses, each interferometer comprising at least one delay line allowing two secondary laser pulses to be temporally separated, by a delay comprised between 50 ps and 10 ns; and a single-mode amplifying optical fiber intended to receive the secondary laser pulses, in order to form as output a group of spatially superposed pulses. | 2020-01-23 |
20200028317 | SEMICONDUCTOR DEVICE AND FABRICATION METHOD - Disclosed herein is a semiconductor device comprising: a silicon substrate; a germanium layer; and a buffer layer comprised of at least one layer of III-V compound, formed directly on silicon; at least one layer containing III-V compound quantum dots wherein one or more facets are formed using focused ion beam etching such that the angle between the plane of the facet is normal to the plane of growth. | 2020-01-23 |
20200028318 | SELF-ALIGNMENT FEATURES FOR III-V RIDGE PROCESS AND ANGLED FACET DIE - A method of forming a laser including device is provided that in one embodiment includes providing a laser chip including at least one ridge structure that provides an alignment features. The method further includes bonding a type IV photonics chip to the laser chip, wherein a vertical alignment feature from the type IV photonics chip is inserted in a recess relative to the at least one ridge structure that provides the alignment features of the laser structure. | 2020-01-23 |
20200028319 | OPTICAL MODULE - An optical module including: light emitting elements; mirrors each having a reflection surface that reflects each light emitted from each of the light emitting elements; and a mount on which the light emitting elements are disposed. The light emitting elements are disposed on a side of one surface of the mount. When the one surface is viewed in a plan view of the optical module, a certain number of mirrors among the mirrors are disposed at a position overlapping reflected light that is reflected by another mirror among the mirrors. Each of the certain number of mirrors has a fixed surface fixed to the mount with an adhesive. The fixed surface is perpendicular to the reflection surface. | 2020-01-23 |
20200028320 | HIGH POWER CAVITY PACKAGE FOR LIGHT EMITTERS - An emitter package can include: a body having a bottom member, side members extending from the bottom member, and a top surface, wherein the body defines a cavity formed into the top surface and located between the bottom member and side members; the cavity having top side walls extending from the top surface to optic shelves, middle side walls extending from the optic shelves to contact shelves, and bottom side walls extending from the contact shelves to a base surface; electrical conductive pads on the base surface in the cavity; emitter chips on the electrical conductive pads, each emitter chip having one or more light emitters; shelf contact pads on the contact shelves; and electrical connector wires connected to and extending between the emitter chips and the shelf contact pads. | 2020-01-23 |
20200028321 | REFRIGERATION STRUCTURE OF SEMICONDUCTOR LASER, AND SEMICONDUCTOR LASER AND STACK THEREOF - The invention provides a cooler of the semiconductor laser, a semiconductor laser comprising the cooler, and a stack of the semiconductor lasers, all of which can be applied to high power devices, and have high environmental adaptability and reliability. The cooler of a semiconductor laser includes: a heat sink including a liquid cooling circuit and an upper surface, a first insulation layer disposed on the upper surface of the heat sink, and a first electrical and thermal conductive layer disposed on the first insulation layer; a laser chip and a negative conductive layer are disposed on different positions of the first electrical and thermal conductive layer; a positive surface of the laser chip is directly bonded on the first electrical and thermal conductive layer; an insulating interlayer is disposed between the negative conductive layer and a surface of the first electrical and thermal conductive layer; and the negative conductive layer is connected to a negative surface of the laser chip; or, the first electrical and thermal conductive layer includes a positive area and a negative area which are insulated from each other; the laser chip includes a positive surface and a negative surface, the positive surface is bonded to the positive area, and the negative surface is connected to the negative area. | 2020-01-23 |
20200028322 | PHOTONIC CRYSTAL LASER - A photonic crystal laser | 2020-01-23 |
20200028323 | QUANTUM-DOT PHOTONICS - Examples disclosed herein relate to quantum-dot (QD) photonics. In accordance with some of the examples disclosed herein, a QD semiconductor optical amplifier (SOA) may include a silicon substrate and a QD layer above the silicon substrate. The QD layer may include an active gain region to amplify a lasing mode received from an optical signal generator. The QD layer may have a gain recovery time such that the active gain region amplifies the received lasing mode without pattern effects. A waveguide may be included in an upper silicon layer of the silicon substrate. The waveguide may include a mode converter to facilitate optical coupling of the received lasing mode between the QD layer and the waveguide. | 2020-01-23 |
20200028324 | OPTICAL APPARATUS, MANUFACTURING METHOD OF DISTRIBUTED BRAGG REFLECTOR LASER DIODE AND MANUFACTURING METHOD OF OPTICAL APPARATUS - Provided are an optical apparatus, a manufacturing method of a distributed Bragg reflector laser diode, and a manufacturing method of the optical apparatus, the an optical apparatus including a cooling device, a distributed Bragg reflector laser diode having a lower clad including a recess region on one side of the cooling device and connected to another side of the cooling device, and an air gap between the cooling device and the distributed Bragg reflector laser diode, wherein the air gap is defined by a bottom surface of the lower clad in the recess region and a top surface of the cooling device. | 2020-01-23 |
20200028325 | LIGHT-EMITTING DEVICE AND LIGHT-EMITTING APPARATUS - A light-emitting device according to an embodiment of the present disclosure includes a laminate. The laminate includes an active layer, a first semiconductor layer, and a second semiconductor layer. The first semiconductor layer and the second semiconductor layer sandwich the active layer in between. The light-emitting device further includes a current confining layer, a concave-shaped first reflecting mirror provided on side of the first semiconductor layer, and a second reflecting mirror provided on side of the second semiconductor layer. The current confining layer has an opening. The first reflecting mirror and the second reflecting mirror sandwich the laminate and the opening in between. The light-emitting device further includes a first reflecting layer and a phosphor layer. The first reflecting layer is disposed at a position opposed to the first reflecting mirror with a predetermined gap in between. The phosphor layer is disposed between the first reflecting mirror and the first reflecting layer, and performs wavelength conversion on light leaking from the first reflecting mirror. | 2020-01-23 |
20200028326 | WAVELENGTH-TUNABLE LIGHT SOURCE AND WAVELENGTH CONTROL METHOD FOR THE SAME - A wavelength-tunable light source includes a wavelength-tunable laser including a first region and a second region each of which includes at least one of heaters, a frequency locker configured to receive output light of the wavelength-tunable laser and output two electric control signals whose phases are mutually different by 90° and having frequency period with respect to frequency of the output light, a thermal electric cooler on which the wavelength-tunable laser and the frequency locker are mounted, and a controller configured to control temperature of the heaters, and the thermal electric cooler on the basis of any one of the two electric control signals. | 2020-01-23 |
20200028327 | TWO-DIMENSIONAL PHOTONIC CRYSTAL SURFACE EMITTING LASER - To provide a two-dimensional photonic crystal surface emitting laser capable of improving characteristics of light to be emitted, in particular, optical output power. The two-dimensional photonic crystal surface emitting laser includes: a two-dimensional photonic crystal including a plate-shaped base member and modified refractive index regions where the modified refractive index regions have a refractive index different from that of the plate-shaped base member and are two-dimensionally and periodically arranged in the base member; an active layer provided on one side of the two-dimensional photonic crystal; and a first electrode and a second electrode provided sandwiching the two-dimensional photonic crystal and the active layer for supplying current to the active layer, where the second electrode covers a region equal to or wider than the first electrode. | 2020-01-23 |
20200028328 | VERTICAL CAVITY SURFACE EMITTING LASER - A vertical cavity surface emitting laser includes an active layer having a quantum well structure, a first laminate for a first distributed Bragg reflector, and a first spacer region provided between the active layer and the first laminate. A barrier layer of the quantum well structure includes a first compound semiconductor containing aluminum as a group m constituent element. The first spacer region includes a second compound semiconductor having a larger aluminum composition than the first compound semiconductor. A concentration of first dopant in the first laminate is larger than a concentration of the first dopant in the first portion of the first spacer region. The concentration of the first dopant in the first portion of the first spacer region is larger than a concentration of the first dopant in the second portion of the first spacer region. | 2020-01-23 |
20200028329 | INHERENTLY SAFE LASER ARRANGEMENT COMPRISING A VERTICAL CAVITY SURFACE EMITTING LASER - A laser arrangement has an array of Vertical Cavity Surface Emitting Lasers (VCSELs) and an optical structure. The VCSELs are on a semiconductor substrate and have: first and second electrodes, first and second Bragg reflectors, and an active layer between the Bragg reflectors. The electrodes provide an electrical current across the active layer. The VCSELs are bottom emitters and emit laser light through the semiconductor substrate. The optical structure increases a laser emission angle of the laser light for eye safety. The optical structure includes a surface structure of the semiconductor substrate. A thickness of the semiconductor substrate is arranged such that laser light emitted by neighboring VCSELs intersect with each other in a plane of the surface structure. The surface structure is arranged such that a homogeneous emission of an emission surface of the semiconductor substrate is enabled. | 2020-01-23 |
20200028330 | VERTICALLY-COUPLED SURFACE-ETCHED GRATING DFB LASER - A VCSEG-DFB laser, fully compatible with MGVI design and manufacturing methodologies, for single growth monolithic integration in multi-functional PICs is presented. It comprises a laser PIN structure, in mesa form, etched from upper emitter layer top surface through the active, presumably MQW, gain region, down to the top surface of the lower emitter. Lower electrical contacts sit adjacent the mesa disposed on the lower emitter layer with upper strip contacts disposed atop the upper emitter layer on the mesa top. An SEG is defined/etched from mesa top surface, between the upper strip contacts, through upper emitter layer down to or into the SCH layers. Vertical confinement is provided by the SCH structure and the lateral profile in the bottom portion of the mesa provides lateral confinement. The guided mode interacts with the SEG by the vertical tail penetrating the SEG and evanescent field coupling to the SEG. | 2020-01-23 |
20200028331 | CURRENT-INJECTION ORGANIC SEMICONDUCTOR LASER DIODE, METHOD FOR PRODUCING SAME AND PROGRAM - Disclosed is a current-injection organic semiconductor laser diode comprising a pair of electrodes, an optical resonator structure, and one or more organic layers including a light amplification layer composed of an organic semiconductor, which has a sufficient overlap between the distribution of exciton density and the electric field intensity distribution of the resonant optical mode during current injection to emit laser light. | 2020-01-23 |
20200028332 | WAVELENGTH COMBINING LASER APPARATUS - A wavelength combining laser apparatus includes: a semiconductor laser emitting laser beams in an optical-axial direction perpendicular to a laser beam combining direction; a wavelength combining element combining the laser beams in the laser beam combining direction into a single laser beam; a cross-coupling reduction optical system having positive power in the laser beam combining direction perpendicular to an optical axis of the single laser beam output from the wavelength combining element; and a partially-reflective mirror reflecting the single laser beam having passed through the cross-coupling reduction optical system and also allowing the single laser beam to transmit through and exit the partially-reflective mirror. The cross-coupling reduction optical system is disposed to image the light emitting end face on the partially-reflective mirror by causing the light emitting end face to be conjugate to the partially-reflective mirror in a plane formed by the optical axis and the laser beam combining direction. | 2020-01-23 |
20200028333 | SPARK PLUG FOR INTERNAL COMBUSTION ENGINE - A spark plug has a tubular ground electrode, an insulator, and a center electrode. The insulator has an insulator protruding portion protruding to a tip end side in a plug axial direction with respect to the ground electrode. The center electrode | 2020-01-23 |
20200028334 | SPARK PLUG WITH POLYMER SEALING RING - A spark plug is specified, having a metal shell with an axial bore and a threaded section, having an insulator with an axial bore that is located at least partially inside the axial bore of the metal shell; a center electrode that is accommodated at least partially inside the axial bore of the insulator; a ground electrode that is held by the metal shell, wherein an end region of the ground electrode forms, together with the center electrode, an ignition gap, and having a sealing ring that extends at least between an outside shoulder of the insulator and an inside shoulder of the metal shell, wherein the sealing ring has polyaryl ether ketone (PAEK), preferably polyether ether ketone (PEEK). | 2020-01-23 |
20200028335 | MOUNTING DEVICE WITH FASTENER RECEIVING STRUCTURE - A mounting device includes a panel portion, and a fastener receiving structure provided within a perimeter of the panel portion. The fastener receiving structure can include an aperture to receive an insertive fastener, and a flexure mechanism to enable at least a portion of the fastener receiving structure that includes the aperture to flex with insertion of the fastener in the aperture that attaches the panel portion against an underlying surface. | 2020-01-23 |
20200028336 | MONITORING SYSTEM OF CABLE LAYING STATE - The present invention discloses a monitoring system of a cable laying state, comprising: a rotary connector, a composite steel cable and a monitoring system. Both ends of the rotary connector are respectively connected with a laid cable and the composite steel cable, wherein the rotary connector is provided with a tension sensor, a video sensor and an inertial navigation measurement module; and tensile force, video, and inertial navigation information are transmitted to the monitoring system through the composite steel cable. The monitoring system of the cable laying state disclosed by the present invention combines a video technology, a measurement technology and an inertial navigation technology and can monitor an environment in a pipeline, a cable core stress state and a three-dimensional coordinate of an actual path during a cable laying process in real time. | 2020-01-23 |
20200028337 | Ladder Rack with Integral Cable Cleat - A cable management assembly designed to maintain cables during a short circuit event. The cable management assembly includes a ladder rack having a first side, a second side, and a plurality of ladder rungs extending from the first side to the second side. The plurality of ladder rungs include receptacles to receive the cables. Each side of the ladder rack has a plurality of holes extending a length of the ladder rack. A clamping frame is positioned over and secured to the ladder rack thereby maintaining the cables positioned in the ladder rungs. | 2020-01-23 |
20200028338 | Cable Cleat Assembly - A cable cleat assembly secures a bundle of cables to a ladder rack. The cable cleat assembly includes a base and two side bodies. Each side body is pivotally mounted to one of the ends of the base. Each side body has a first end, a middle section, and a second end. The first end of each side body includes a mounting member. The mounting member has a peg extending from each side of the mounting member and a circumferential rib. The pegs are mounted in the base with the circumferential rib positioned between alignment ribs extending from the base to enable the side bodies to pivot from an open position to a closed position. | 2020-01-23 |
20200028339 | Flexible Conduit Systems For Routing Cables - A conduit for routing connectivity cables. The conduit including a bottom including consecutively connected bottom members extending a longitudinal length of the conduit. A first side and a second side are connected to the bottom. The first side including consecutively connected first side members extending the longitudinal length and the second side including consecutively connected second side members extending the longitudinal length. The bottom, the first side, and the second side extend along a center axis of the conduit, the center axis extending the longitudinal length of the conduit. | 2020-01-23 |
20200028340 | COVER PLATE WITH CIRCUIT LABEL OPENING - A plate for covering an electrical box comprising a face larger in height and width than the electrical box, an opening in the face capable of having an insert slidably placed into the opening, wherein the insert is at least partially obscured when placed into the opening, and the insert has thereon printed indicia that specify a device to which the electrical box is associated or color information of an adjacent surface. | 2020-01-23 |
20200028341 | ELECTRONIC SYSTEM, OUTLET STRUCTURE AND CABLE - An electronic system, an outlet structure and a cable are provided. The outlet structure includes a housing, a cable and a positioning member. The housing has a through hole and a receiving slot. The receiving slot is disposed on a second side of the housing. The through hole extends to a first side of the housing from the receiving slot. The cable includes a wire and an annulus annularly disposed on the wire, and has a groove set on one side of the annulus against the wire which passes though the through hole. The annulus is disposed in the receiving slot of the housing and on the through hole. The positioning member engages in the groove and is fixed on the second side of the housing. The outlet structure not only reduces overall material cost, but also simplifies overall assembly difficulty. | 2020-01-23 |
20200028342 | LOW VOLTAGE DC ELECTRICAL OUTLETS - A low voltage power outlet assembly is adapted for providing access to low voltage power in compact spaces. The low voltage power outlet assembly includes a circuit subassembly that is operable to transform a line voltage input, such as about 110V to 220V AC, to a lower voltage output, such as about 2V to 12V DC. Electrical input conductors receive and convey the line voltage from a power source to the circuit subassembly, while electrical conductors convey the lower voltage output from the circuit subassembly to a low voltage power receptacle that is arranged in a same housing as the circuit subassembly. The low voltage power outlet is mountable in different housings, faceplates, and the like, to accommodate different mounting styles and locations. The low voltage power receptacle includes at least two different receptacles, such as a USB Type-A outlet and a USB Type-C outlet. | 2020-01-23 |
20200028343 | INSULATING STRUCTURE - A structure for supporting a wire includes a first portion including a body portion, and an alignment portion. The alignment portion defines a first alignment opening through which the alignment portion receives a first fastener. The first alignment opening extends along a first alignment axis between. A second portion defines a second alignment opening, extending along a second alignment axis, through which the second portion receives the first fastener. The second portion is spaced a distance from the body portion to define a wire opening into which the wire is received for support by the structure. The alignment portion is movable relative to the body portion between a first position, in which the first alignment axis and the second alignment axis are coaxial, and a second position, in which the first alignment axis and the second alignment axis are non-coaxial. | 2020-01-23 |
20200028344 | Power busbar connection tool - The invention relates to an electric device, especially to a power busbar connection tool, said tool comprises an electric motor drive unit, an electric control unit, a stationary portion removably connects to a busbar, a movable portion removably connects to a busbar and a loading portion for clamping connecting rods. Said movable portion is movably connected to a first and second stationary shaft of said stationary portion, said movable portion is connected to a movable shaft by a screw pair, said movable portion is fixedly connected to said electric motor drive unit, said movable shaft is driven to rotate around its axis by said electric motor drive unit, said loading portion is movably connected to said second stationary shaft and slides between a body of said stationary portion and a body of said movable portion, said loading portion rotates around said second stationary shaft. It is achieved that a plurality of connecting rods are simultaneously mounted to busbars and that two busbars are connected in a form of butt-and-butt connecting. | 2020-01-23 |
20200028345 | METHODS AND APPARATUS TO PREVENT UNDESIRED TRIGGERING OF SHORT CIRCUIT OR OVER CURRENT PROTECTION - Methods, apparatus, systems and articles of manufacture are disclosed for preventing undesired triggering of short circuit or over current protection. An example apparatus includes an output terminal; a voltage detection device coupled to a voltage detection input terminal and the output terminal and including a voltage detection output coupled to a logic gate first input terminal; a pulse extender coupled between a logic gate output and a selecting node; a multiplexer coupled to the selecting node and configured to be coupled to a first protection circuit, a second protection circuit, and a driver; and a switch coupled between an input terminal and the output terminal and including a switch gate terminal coupled to the driver. | 2020-01-23 |
20200028346 | CONFIGURABLE RETRY FOR SYSTEM OPERATIONS - The present disclosure relates to configuring parameters of a system. In some examples, a timer duration circuit can be configured to output a timer duration signal defining a time duration for a retry signal based on an impedance of a first circuit coupled at a first node. A logic circuit can be configured to control an output of the retry signal to at least one integrator circuit to control a current to a second node based on one of the timer duration signal and a retry timer signal, and a combination thereof. An output circuit can be configured to output a stop retry signal based on a voltage established by a second circuit at the second node based on its impedance and the current. The stop retry signal can indicate a number of retries that have occurred and can be based on the capacitances of the first and second circuits. | 2020-01-23 |
20200028347 | SELF-TEST AUTO MONITOR GROUND FAULT CIRCUIT INTERRUPTER (GFCI) WITH POWER DENIAL - A circuit interrupting device including one or more line terminals for connecting to an external power supply, one or more load terminals for connecting to an external load, one or more contacts electrically connecting one or more line terminals to one or more load terminals; and an auto-monitoring circuit. The auto-monitoring circuit continuously monitoring one or more signals to determine an operating state of said circuit interrupting device. Wherein if said auto-monitoring circuit determines that said circuit interrupting device has reached its end-of-life and it is determined that the contacts have not failed, then a signal is driven to a first level to actuate a switch and open the contacts. Wherein said signal is further driven to a second level to inhibit said circuit interrupting device from resetting when it is determined that contacts of said interrupting device have failed. Wherein the second level has a voltage greater than zero volts. | 2020-01-23 |
20200028348 | VEHICLE ELECTRONIC CONTROL APPARATUS - There is obtained an inexpensive vehicle electronic control apparatus that is shared by a plurality of inductive loads and performs rapid cutoff of a driving current with low power consumption. On/off operation of a load current preliminarily charges a surge suppression capacitor, which is connected with each of the upstream points of individual opening/closing devices, that are connected in series with each corresponding one of a plurality of inductive loads, by way of discharging diodes, respectively, up to a predetermined limit voltage V | 2020-01-23 |
20200028349 | SYSTEM AND METHOD FOR DETECTING ARC FAULTS - A system and method for detecting arc faults includes receiving, by a controller module, a first sensed power characteristic from a first power characteristic sensor at an output of an upstream electrical component, receiving, by the controller module, a second sensed power characteristic from the second power characteristic sensor at an input of a downstream electrical component, the input and output connected by a conductor, determining, by the controller module, a difference between the first and second sensed power characteristics, and providing indication of an arc fault at the conductor. | 2020-01-23 |
20200028350 | DC OVERVOLTAGE PROTECTION FOR AN ENERGY SYSTEM - A DC overvoltage protection device for an energy storage system and/or an energy generating system has at least one auxiliary release on an AC-switch and the at least one auxiliary release interrupts the AC switch. The DC overvoltage protection device further has at least one electrical energy store and/or at least one photovoltaic installation and a plurality of converters each having a power section having a DC voltage measurement system and an interface. | 2020-01-23 |
20200028351 | VOLTAGE HARVESTER FOR POWER DISTRIBUTION SYSTEM DEVICES - The present disclosure provides exemplary embodiments of voltage harvesting devices used in power distribution systems, and provides power distribution system architectures utilizing the voltage harvesting devices. Generally, the voltage harvesting devices transform distribution line AC voltages to produce a low wattage output for distribution system communication and control type devices. The voltage harvesting device can operate whether irrespective of the presence of load current. | 2020-01-23 |
20200028352 | DC-DC Converters Having DIN Rail Mounts - Example DC-DC power distribution systems include electronic communication device(s), a circuit breaker DIN rail adapted to receive a circuit breaker for providing electrical protection to the one or more electronic communication devices, and a DC-DC converter including a housing having a DIN rail mount, a voltage input and a voltage output. The DC-DC converter includes a DC-DC voltage converter circuit coupled between the voltage input and the voltage output, and a controller electrically coupled with the DC-DC voltage converter circuit. The DC-DC converter is mounted on the circuit breaker DIN rail via the DIN rail mount of the DC-DC converter housing, and the controller is configured to control the DC-DC voltage converter circuit to convert a DC voltage at the voltage input to a different DC voltage at the voltage output to supply power to the one or more electronic communication devices. | 2020-01-23 |
20200028353 | Inrush Current Limiter Circuits And Methods Of Limiting Inrush Current In A Circuit - A DC-DC power converter includes an input, an output, a power circuit coupled between the input and the output to convert a voltage of a DC power received at the input to a different voltage of a DC power supplied at the output, and a control circuit. The DC-DC power converter also includes a resistor coupled in an input current path to receive an inrush current from the input, a switch coupled in parallel with the resistor to selectively bypass the resistor, and a transistor coupled to control the switch in response to a voltage across the resistor. The transistor is coupled to open the switch when the voltage across the resistor is above a specified inrush threshold to permit current flow through the resistor, and to close the switch when the voltage across the resistor is below the specified inrush threshold to bypass the resistor. | 2020-01-23 |
20200028354 | HYBRID OVERVOLTAGE PROTECTION DEVICE AND ASSEMBLY - In one embodiment, an overvoltage protection device ( | 2020-01-23 |
20200028355 | ACTIVE SURGE PROTECTION STRUCTURE AND SURGE-TO-DIGITAL CONVERTER THEREOF - An active surge protection structure is provided between a power line and a core circuit, comprising a surge-to-digital converter and a clamp circuit. The surge-to-digital converter comprises a plurality of surge detection circuit. Each surge detection circuit detects a surge event occurring on the power line and generates a digital signal. The clamp circuit is disposed adjacent to the core circuit and electrically connected with the surge-to-digital converter and the power line where the core circuit is connected for dissipating surge energy. The clamp circuit receives and is driven by the digital signals from the surge-to-digital converter such that its protection flexibility can be achieved according to the digital signals. By employing the present invention, it is extraordinarily advantageous of improving system stability and achieving comprehensive surge protection with configuration of driving capability dependent on surge levels. | 2020-01-23 |
20200028356 | ESD Suppression Using Light Emissions - A protected electric circuit, and method of protecting a protected circuit is provided. The circuit comprises at least one sensitive device wherein the sensitive device operates at a device voltage and has a maximum voltage capability. At least one light emitting diode electrically connected with the sensitive device wherein the light emitting diode has a first trigger voltage wherein the first trigger voltage is above the device voltage and below the maximum voltage capability. When any said extraneous energy above the first trigger energy is experienced the light emitting diode emits photons thereby converting at least some of the extraneous energy to photon energy. | 2020-01-23 |
20200028357 | SIGNAL SWITCHING APPARATUS - A signal switching apparatus includes a signal control switch, a switch circuit, a blocking capacitor and a surge current dissipating circuit. The signal control switch coupled between a first signal transceiving end and a second signal transceiving end is turned on or turned off according to a first control signal. The switch circuit having at least one first transistor is controlled by a second control signal to be turned on or off, and a first end of the switch circuit is coupled to the first signal transceiving end. The blocking capacitor is coupled between a second end of the switch circuit and a reference voltage terminal. The surge current dissipating circuit having at least one second transistor is coupled between the second end of the switch circuit and the reference voltage terminal. The second transistor is configured to dissipate a surge current and also turned off when operated normally. | 2020-01-23 |
20200028358 | ELECTRONIC DEVICE - An electronic device according to the present invention includes a power supply unit and a load, the power supply unit including a ground terminal, a rectifier circuit, a circuit section connected to a DC output of the rectifier circuit, the circuit section supplying electric power to the load, a first varistor connected at one end thereof to one input end of the rectifier circuit, a second varistor connected at one end thereof to another input end of the rectifier circuit and connected at another end thereof to another end of the first varistor and an arrester connected at one end thereof to the another end of the second varistor and connected at another end thereof to the ground terminal, wherein an electrostatic capacity of each of the first and second varistors is 40% or more of a sum of earth capacitances of the power supply unit and the load. | 2020-01-23 |
20200028359 | AC SWITCHING ARRANGEMENT - An AC switching arrangement is provided with an energy transfer arrangement connected in parallel with a switching mechanism. The energy transfer arrangement comprises a capacitance arrangement and a diode arrangement. The switching mechanism normally closed in a first state, and on reception of a signal indicating the second state, the switching mechanism is arranged to open. When the switching mechanism is in the second state, the diode arrangement is arranged in each AC half cycle to enable energy (source energy, stored inductance energy, etc.) to transfer from the grid to the capacitance arrangement but to prevent energy transfer from the capacitance arrangement back to the grid. | 2020-01-23 |
20200028360 | Method of Operating An Electrical Grid - Embodiments of a method of operating an electrical grid having at least one electrical consumer and a plurality of electrical producers are disclosed. In the method, a consumption prediction for the electrical consumer is provided, and production predictions for each electrical producer of a plurality of electrical producers are provided. The respective distances between the electrical consumer and each electrical producer of the plurality of electrical producers are determined. An electrical producer of the electrical producers is allocated to the electrical consumer in a first allocating step such that the provided consumption prediction of the electrical consumer matches to the provided production prediction of the at least one electrical producer and such that the determined distance between the electrical consumer and the at least one electrical producer is at least smaller than at least one first distance limit. | 2020-01-23 |
20200028361 | POWER SWITCHING DEVICE FOR AN ELECTRICAL POWER DISTRIBUTION SYSTEM, IN PARTICULAR FOR AN AIRCRAFT, WITH METERING OF THE CONSUMED ELECTRICAL POWER - A power switching device for an electrical power distribution system. The power switching device is configured for supplying an electrical load with power, having switching means and means for protecting the loads. The device includes current measurement means and voltage measurement means delivering current and voltage measurement signals to a driver stage of the device. The device includes processing means that are capable of formulating information relating to the electrical power consumed by the loads on the basis of the voltage and current measurement signals. | 2020-01-23 |
20200028362 | METHOD AND APPARATUS FOR INCREASED ENERGY HARVEST IN A MICROGRID - A method and apparatus for power converter current control. In one embodiment, the method comprises controlling an instantaneous current generated by a power converter that is part of an AC battery such that the power converter appears, from the perspective of an AC line coupled to the power converter, as a virtual AC voltage source in series with a virtual impedance, wherein real and reactive phasor currents for the power converter are indirectly controlled by modifying amplitude and phase of a virtual AC voltage waveform that defines the virtual AC voltage source. | 2020-01-23 |
20200028363 | SYSTEM AND METHOD FOR FLUCTUATING RENEWABLE ENERGY-BATTERY OPTIMIZATION TO IMPROVE BATTERY LIFE-TIME - A system and method for energy optimization is disclosed. The system may collect information from an information collector data including energy usage and storage data of at least one renewable energy generation system and battery energy storage system (BESS). The system may identify historical events that result in curtailment of renewable energy production, determine whether there is a curtailment of renewable energy production based at least on one historical event supervise the charge and discharge cycles of the at least one BESS; and ensuring that the diesel generators minimum up/down time is satisfied based on controlling at least one parameter of the BESS. | 2020-01-23 |
20200028364 | ENERGY GENERATION LOAD COMPENSATION - An inverter energy system supplies power to a site. The inverter energy system comprises a number of solar strings, each solar string including a solar panel(s) as a renewable energy source and an inverter. The inverter energy system is connected to a mains power supply (grid) and to a site load (sub circuits). The forward or reverse power flow into or out of the mains power supply is monitored at a monitoring point at the site. A rate limit is set for power flow into and/or or out of the mains power supply. The supply of power from the inverter energy system is controlled so that the power flow into or out of the mains power supply is within the set rate limit. | 2020-01-23 |
20200028365 | POWER GENERATION ELEMENT, POWER GENERATION MODULE, POWER GENERATION DEVICE, AND POWER GENERATION SYSTEM - According to one embodiment, a power generation element includes a first conductive layer, a second conductive layer, a first member provided between the first conductive layer and the second conductive layer, and a second member separated from the first member and provided between the first member and the second conductive layer. The first member includes a first region including Al | 2020-01-23 |
20200028366 | Power System Stabilizer for Voltage Source Converters - Devices and methods for mechanism-based feedback controller employed in a wind powered power system are provided. A controller can include a vector control-based voltage source converter with feedback control circuitry. The feedback control circuitry is configured to modulate either a power order or a dc-link voltage order to control coupling between voltage and power. The controller can be connected to a wind-based turbine generator of a wind farm and regulate power deployed to a power grid. | 2020-01-23 |
20200028367 | METHOD FOR OPERATING A WIND FARM - Provided is a method for operating a wind farm having a plurality of wind energy installations or a wind energy installation for feeding electrical power into an electrical supply grid, comprising the steps of: feeding electrical power into the electrical supply grid, identifying a forecast power, which describes a power that can be fed in in a predetermined, future forecast period by the wind farm or the wind power installation, determining a reduction forecast power, which denotes, for the forecast period, a power by which the power fed in in the forecast period can be reduced, and supplying the reduction forecast power as negative control power, wherein the reduction forecast power is determined depending on the forecast power and depending on a controllable consumption power, wherein the controllable consumption power describes a power that can be consumed on demand in the forecast period by controllable consumers present in the wind farm or in the wind power installation. | 2020-01-23 |
20200028368 | PORTABLE OR HAND HELD VEHICLE BATTERY JUMP STARTING APPARATUS WITH BATTERY CELL EQUALIZATION CIRCUIT - A portable or handheld device or apparatus for jump starting a vehicle engine having a depleted or discharged starting battery. The portable or handheld device or apparatus for jump starting a vehicle engine includes a rechargeable lithium-ion (Li-ion) battery pack and a battery cell equalization circuit configured to prevent overcharging of one or more individual lithium-ion battery cells, which can cause fire, damage to the battery pack and device or apparatus for jump starting a vehicle, or personal injury to a user. | 2020-01-23 |
20200028369 | BATTERY STACK MONITORING AND BALANCING CIRCUIT - A method and apparatus for battery stack monitoring and balancing. In one embodiment the apparatus includes a first low-pass filter (LPF) coupled between a first terminal and a first input node of a circuit that comprises a plurality of input nodes, wherein the first terminal is configured to be coupled to a positive terminal of a battery cell. A second LPF is coupled between the first terminal and a second input node of the circuit. A first circuit is coupled between the first terminal and a second terminal, wherein the first circuit is configured to transmit current between the first and second terminals when activated, and wherein the second terminal is configured to be coupled to a negative terminal of the battery cell. A second circuit is coupled between the second and third input nodes, wherein the second circuit is configured to activate the first circuit in response to the second circuit receiving a control signal. | 2020-01-23 |
20200028370 | BATTERY PROTECTION CIRCUIT - A battery protection system with a voltage sensing circuit for sensing the voltage of a battery and disconnecting all loads from the battery, including the voltage sensing circuit itself, when the voltage of the battery drops below a preset limit or when a battery charger is connected to the battery. The battery protection system reconnects the voltage sensing circuit upon disconnection of the battery charger. | 2020-01-23 |
20200028371 | Female Connecting Member, Male Connecting Member, and Mobile Terminal - The present disclosure relates to a female connecting member and a male connecting member, a connector, a mobile terminal and an electronic equipment, wherein the female connecting member includes a first end face, the first end face has a first groove, the first groove is defined by a first side face and a first bottom face encompassed by the first side face, the first side face is provided with N*M contacts, the contacts are arranged in N rows along a depth direction of the first groove, N is an integer greater than or equal to 2, each row includes M contacts distributed along a circumferential direction of the first side face, and M is an integer greater than or equal to 2. In this way, enough contacts can be provided to improve the transmission efficiency of current or data, thus meeting the needs of fast charging or large-flow data transmission. | 2020-01-23 |
20200028372 | CHARGING DEVICE FOR ELECTRONIC CIGARETTE - The present disclosure provides a charging device for an electronic cigarette. The charging device comprises a body having a generally rectangular shaped recess which is adapted, at least partially, to accommodate the electronic cigarette inside thereof. The charging device also comprises an electronic circuit located inside the body. The electronic circuit may have one or more pogo pins projecting out therefrom, which are adapted to be in contact with one or more types of charging ports of the electronic cigarette, when the electronic cigarette is accommodated inside the rectangular shaped recess of the body. The charging device further comprises a battery electrically connected to the electronic circuit so as to supply electric power to the electronic cigarette via the one or more pogo pins in contact with the one or more types of charging ports of the electronic cigarette, when the electronic cigarette is accommodated inside the rectangular shaped recess of the body. | 2020-01-23 |
20200028373 | REVERSE CHARGING DEVICE, AND METHOD AND DEVICE FOR REGULATING REVERSE CHARGING CURRENT - A reverse charging device includes a processor, a standard downstream port (SDP) and a first link on which a charging downstream port (CDP) interface chip is arranged. When it is detected that an adapter is plugged into the SDP, the processor is connected with the SDP through the first link, and the processor, the CDP interface chip, and the SDP form a CDP to perform reverse charging through the CDP and the adapter, wherein the CDP has a current transmission capability higher than the SDP. | 2020-01-23 |
20200028374 | DEVICE AND METHOD FOR CHARGING A TERMINAL DEVICE - The invention relates to a device, in particular a power bank ( | 2020-01-23 |
20200028375 | Battery System - A battery system includes a battery circuit group in which a plurality of battery circuits, each including a plurality of battery units including a battery and a switching unit connected in series, are connected in parallel, and a control unit that controls the switching unit. The switching unit switches a state of the battery unit between a first state, in which the battery is connected between a positive electrode end and a negative electrode end of the battery unit, and a second state, in which the positive electrode end and the negative electrode end are connected without the battery. When discharging, the control unit controls the switching unit such that the state of the battery unit including the battery determined to be not fully discharged becomes the first state, and the state of the battery unit including the battery determined to be fully discharged becomes the second state. | 2020-01-23 |
20200028376 | DEVICE FOR PERFORMING WIRELESS CHARGING AND METHOD THEREOF - An electronic device is disclosed. The disclosed electronic device includes a display, a charging circuit that transmits and receives power to and from an external electronic device, a sensor circuit that senses a spatial relationship of the electronic device with the external electronic device, a processor that is electrically connected with the display, the charging circuit, and the sensor circuit. When wirelessly transmitting or receiving power to or from the external electronic device using the charging circuit, the processor may transmit and receive information associated with the wireless transmission or reception of power and display the information based on the spatial relationship. | 2020-01-23 |
20200028377 | LOW-COST TASK SPECIFIC DEVICE SCHEDULING SYSTEM - A low-cost task specific device system for scheduling tasks that are performed by one or more devices is described. After a preceding task is performed, the performance of a successive task is delayed for a task-specific recharge interval associated with the preceding task. The successive task is performed after the task-specific recharge interval has expired. | 2020-01-23 |
20200028378 | EMERGENCY LIGHTING CONVERTER - The invention is in the field of emergency lighting devices and power supply of emergency lighting devices. A LED converter for an emergency lighting unit comprises a LED driver for supplying a current to a LED lighting device, an energy storage interface for connecting an energy storage device, a charging circuit for charging the energy storage, and a control circuit. The energy storage interface is configured to connect at least two different types of energy storage devices. The charging circuit sets at least one energy storage management parameter according to the type of energy storage device connected by the energy storage interface. The control circuit determines the type of energy storage device connected by the energy storage interface and controls the charging circuit to set the energy storage management parameter according to the determined type of energy storage device. | 2020-01-23 |
20200028379 | ENERGY STORAGE SYSTEM AND METHOD - A an energy storage system includes a crane and a plurality of blocks, where the crane is operable to move blocks from a lower elevation to a higher elevation (via stacking of the blocks) to store electrical energy as potential energy of the blocks, and then operable to move blocks from a higher elevation to a lower elevation (via unstacking of the blocks) to generate electricity based on the kinetic energy of the block when lowered (e.g., by gravity). The energy storage system can, for example, store electricity generated from solar power as potential energy in the stacked blocks during daytime hours when solar power is available, and can convert the potential energy in the stacked blocks into electricity during nighttime hours when solar energy is not available, and deliver the converted electricity to the power grid. | 2020-01-23 |
20200028380 | ENERGY STORAGE BARGE - An Energy Storage Barge provides supplemental energy for a power system when renewable energy sources fail to provide enough hour at peak times. In an embodiment, the Energy Storage Barge is further provided a freeze chamber for pure water and mineral collection. In another embodiment, the Energy Storage barge produces super-chilled air to conduct freeze processing or maintain temperature of a cold storage facility. | 2020-01-23 |
20200028381 | Current Sense Apparatus and Method - A device includes a positive current sense amplifier having two inputs connected to a drain and a source of a power switch respectively through a plurality of positive current sense switches, and a negative current sense amplifier having two inputs connected to the drain and the source of the power switch respectively through a plurality of negative current sense switches. | 2020-01-23 |
20200028382 | POWER RECEIVING UNIT, POWER RECEIVING CONTROL METHOD, WIRELESS POWER TRANSFER SYSTEM, AND ELECTRONIC APPARATUS - A power receiving unit of the disclosure includes: a power receiving section that receives power transferred from a power transfer unit in a contactless manner; a protection circuit section that varies a receiving power voltage of the power received by the power receiving section; and a control section that controls an operational state of the protection circuit section to a plurality of statuses on the basis of a plurality of thresholds. | 2020-01-23 |
20200028383 | INTEGRATED WIRELESS RESONANT POWER CHARGING AND COMMUNICATION CHANNEL - A wireless powering device for providing directional wireless power to a target device. The wireless powering device includes a power source and communication circuitry configured to receive a communication signal from the target device. The wireless powering device further includes source power manager circuitry configured to determine (e.g., based on the communication signal) a location of the target device relative to the wireless powering device. Resonant coupling circuitry is coupled to the power source and the source power manager circuitry, the resonant coupling circuitry configured to generate a directional wireless power transmission, based on the location of the target device, to transfer wireless power to the target device. In an embodiment, the directional wireless power transmission is via non-radiated magnetic field. In another embodiment, the direction wireless power transmission is via a radiated magnetic field. | 2020-01-23 |
20200028384 | WIRELESS POWER-TRANSMISSION APPARATUS AND WIRELESS POWER-TRANSMISSION METHOD - A wireless power-transmission apparatus includes at least one antenna element disposed at a specific position in a three-dimensional space having a predetermined shape and size, to transmit a power transmission beam, an acquirer to acquire an inclination angle of the antenna element to a plane direction of a reference plane and a height of the antenna element to the reference plane, and a controller to control at least one of antenna power and a power transmission direction of the power transmission beam so that interference power of the power transmission beam toward an outside of the three-dimensional space becomes equal to or smaller than a predetermined allowable value when the antenna element is disposed at the acquired inclination angle and height. | 2020-01-23 |
20200028385 | RECEIVER FOR WIRELESS CHARGING SYSTEM - A receiver for a wireless charging system, capable of receiving power energy using non-contact type magnetic induction, includes a coil capable of receiving the power energy and a part for generating a predetermined output power from the power energy received by the coil, a portable terminal, an NFC coil further provided outside of the coil, and a ferrite sheet further provided at the coil and the NFC coil. | 2020-01-23 |
20200028386 | ENERGY HARVESTING FROM CURRENT LOOPS - A system includes a two-conductor loop in which the loop current or current signal is controlled by a loop current controller to be proportional to a signal output from a sensor. The system further includes energy harvesting circuitry in electrical connection with the two-conductor loop which includes a second current controller in parallel electrical connection with the loop current controller and a power converter in electrical connection with the second current controller. The second current controls a portion of current drawn from the two-conductor loop and delivered to the power converter from an output port thereof. The portion of the current drawn from the two-conductor loop is returned to the loop current controller from the energy harvesting circuit. Noise in the portion of the current drawn from the two-conductor loop by the second current controller is controlled by the second current controller to be below a predetermined threshold. | 2020-01-23 |
20200028387 | WIRELESS POWER RECEIVER AND CONTROLLING METHOD THEREOF - A method for controlling a wireless power receiver including a charging unit and a wireless power receiver are provided. The method includes receiving wireless power; rectifying the received wireless power and outputting Direct Current (DC) wireless power; and determining whether a voltage of the rectified wireless power is equal to or higher than an allowable voltage of the charging unit. | 2020-01-23 |
20200028388 | MOTOR WITH INTERNAL CLAW POLE STATOR - A claw pole motor is provided including a rotor rotatable about an axis; and a stator assembly. The stator assembly includes a plurality of stator elements having one or more claw pole teeth such that when said plurality of stator elements is assembled, the claw pole teeth extend between a first end and a second end of said stator assembly. At stator assembly additionally includes at least one coil winding positioned between said plurality of stator elements. | 2020-01-23 |
20200028389 | MODULAR MOTOR ASSEMBLY - Embodiments of a modular motor assembly are disclosed. In some embodiments, a motor comprises a plurality of modular magnetic units, where each of the modular magnetic units includes at least one rotor and at least one stator. The motor further comprises a plurality of structural segments each adapted to support a stator of a corresponding one of the modular magnetic units, where each of the structural segments interlocks with a next structural segment to form a stack. A method of manufacturing a motor includes arranging a selected number of modular magnetic units, coupling the selected number of modular magnetic units to a shaft, coupling the selected number of modular magnetic units to respective structural segments, and forming electrical connections to apply three-phase voltage to stator windings of the modular magnetic units. | 2020-01-23 |
20200028390 | ELECTRIC MACHINE - An electric motor has a first carrier having an array of electromagnetic elements and a second carrier having electromagnetic elements defining magnetic poles. The first and second carriers each define an axis. An airgap is formed between the first and second carriers when in an operational position. An inner thrust bearing connects the first and second carriers and is arranged to allow relative rotary motion of the carriers. An outer thrust bearing connects the first and second carriers and is arranged to allow relative rotary motion of the carriers. The electromagnetic elements of each of the first and second carriers are arranged radially inward of the outer thrust bearing and radially outward of the inner thrust bearing. The inner thrust bearing and the outer thrust bearing are arranged to maintain the airgap against a magnetic attraction of the electromagnetic elements of the first and second carriers. | 2020-01-23 |
20200028391 | PERMANENT MAGNET, METHOD FOR MANUFACTURING SAME, AND MOTOR COMPRISING SAME - A permanent magnet of an embodiment comprises: a base magnet represented by a-b-c (a includes a rare earth-based element, b includes a transition element, and c includes boron (B)); and a coating layer coated on a surface of the base magnet, wherein the coating layer comprises a compound containing a metal having magnetism, the compound including: a phosphor (P); and a metal belonging to the fourth period in the periodic table. | 2020-01-23 |
20200028392 | ELECTRIC MOTOR AND ROTOR THEREOF - An electric motor and a rotor thereof are provided. The rotor includes a shaft, a housing, a rotor core fixed to the shaft and received in the housing, and a plurality of permanent magnets placed between an outer surface of the rotor core and an inner surface of the housing. The housing comprises a metal skeleton and a holding frame integral with and molded to the metal skeleton. | 2020-01-23 |
20200028393 | ELECTROMAGNETIC MOTOR OR GENERATOR COMPRISING A ROTOR WITH MAGNETIZED STRUCTURES COMPRISING INDIVIDUAL MAGNETS AND A STATOR WITH CONCENTRIC WINDINGS - A motor or electromagnetic generator with a rotor ( | 2020-01-23 |
20200028394 | ROTOR UNIT - A rotor unit includes a rotor core, a magnet provided in the rotor core and extending in an axial direction, a rotating shaft inserted through a center of the rotor core, and an endplate provided on an end face in the axial direction of the rotor core. The end plate includes an end face pressing part arranged on an outer peripheral side of the rotor core and facing the magnet, and a press-fit holding part arranged on an inner peripheral side of the rotor core and press-fitted to the rotating shaft, and the end face pressing part and the press-fit holding part are combined together by casting. | 2020-01-23 |
20200028395 | MOTOR - A cooling structure is provided that cools a rotor in a motor. The motor includes a shaft that is rotatably supported on a case and a rotor having a rotor core to which a plurality of magnets are provided on an outer periphery of the shaft and which is disposed to face a stator. Flow passages are formed on the shaft and the rotor and cooling oil passes through a core flow passage inside the rotor core from an introduction flow passage on a first side in an axial direction of the shaft and flows to the introduction flow passage on a second side in the axial direction of the shaft. An inlet communicating with the introduction flow passage and an outlet communicating with the introduction flow passage are formed in the case. | 2020-01-23 |
20200028396 | ELECTRIC MOTOR WITH MAGNETIC GEAR ARRANGEMENT - The invention refers to an electric machine ( | 2020-01-23 |
20200028397 | ROTATING ELECTRICAL MACHINE - A rotating electrical machine includes a stator including a plurality of slots on which conductive wire is wound, and a rotor facing the stator and including a plurality of magnetic poles, wherein the rotating electrical machine is configured of fractional slot in which a denominator of an irreducible fraction obtained by dividing a number of the slots of the stator by a number of phases and a number of the magnetic poles of the rotor is equal to or greater than four, and ratio of magnitude of magnetomotive force of each phase is even in respective poles of the magnetic poles of the rotor. | 2020-01-23 |
20200028398 | BRUSHLESS MOTOR AND STATOR THEREOF - A stator of a brushless motor includes a stator core including a plurality of teeth arranged in a circumferential direction thereof, a slot being formed between any adjacent two teeth; and a plurality of phases of windings wound on the teeth and received in the corresponding slots. Each phase of winding includes two leading terminals, adjacent leading terminals of any adjacent two phases of windings extending out of the same slot, which simplifies the winding structure of the stator winding and reduces the short circuit risk between turns of coils of the winding. The windings can be formed by winding a single conductive wire uninterruptedly on the stator teeth. It is easily automated. | 2020-01-23 |
20200028399 | POLYMERIC MATERIALS - A submersible component can include a conductor; and a polymeric material disposed about at least a portion of the conductor where the polymeric material includes at least approximately 50 percent by weight polyether ether ketone (PEEK) and at least 5 percent by weight perfluoroalkoxy alkanes (PFA). A submersible electrical unit can include an electrically conductive winding; and a polymeric composite material disposed about at least a portion of the electrically conductive winding where the polymeric composite material includes polymeric material at at least approximately 40 percent by volume and one or more fillers at at least approximately 10 percent by volume. | 2020-01-23 |
20200028400 | COIL WIRING UNIT OF DRIVE MOTOR FOR VEHICLE AND MANUFACTURING METHOD THEREOF - A coil wiring unit of a drive motor for a vehicle is provided. The unit includes a bus bar assembly that has a plurality of bus bars for connecting coils of the drive motor to each phases stacked in a longitudinal direction. A plurality of insulating sheets are disposed between each of the bus bars and correspond to the shape of each of the bus bars. | 2020-01-23 |
20200028401 | ROTARY ELECTRIC MACHINE AND TURBINE SYSTEM - A rotary electric machine and a turbine system including a housing, and a hydrogen generator arranged into or on the housing. The hydrogen generator electrolytically generates hydrogen from water. The hydrogen generator supplies the hydrogen into the housing. | 2020-01-23 |
20200028402 | ELECTRICAL MACHINE AND ROTOR FOR AN ELECTRICAL MACHINE - An electrical machine includes a stator with a stator body supporting an electrical stator and a rotor. The rotor is supported by a bearing having a radial bearing section forming a radial gas bearing and an axial bearing section forming an axial gas bearing, the stator side parts of these bearing sections being a stator side radial bearing part and a stator side axial bearing part that are rigidly connected to one another and together form a stator bearing structure. The stator bearing structure is mounted to the other parts of the stator by either the stator side radial or axial bearing part being rigidly mounted to these other parts, and the other bearing part are connected to these other parts by an elastic support or not at all. | 2020-01-23 |
20200028403 | Electrical Device Having Compact Connector Assembly Suited For High Power Applications - An electrical device with a conductor assembly having a conductor member and a nut. The conductor member has a wire cradle, a conductor body and a plurality of tab members. The wire cradle has a wire support portion and at least one crimp member extending from the wire support portion. The conductor body defines a terminal with a terminal face having a first hole formed therethrough. The wire cradle and the terminal face are disposed on opposite ends of the conductor body. Each of the tab members has a first portion, which is fixedly coupled to the conductor body, and a second portion that is coupled to the first portion and being spaced apart from the terminal. The tab members and the terminal form a cage. The nut is received in the cage and has a threaded aperture that is aligned to the first hole in the terminal face. | 2020-01-23 |
20200028404 | ELECTRIC MOTOR AND ELECTRIC MOTOR MANUFACTURING METHOD - An electric motor includes: a stator that has a stator core and has coils that are formed of an electric wire wound on the stator core and form a plurality of phases; a resin covering the stator; and a wire break facilitator that facilitates the electric wire to break at a time of abnormality. In the electric motor having the stator in which the coils are covered with molding resin, the wire break facilitator is attached to at least one of: a transition wire part between the coils wound on the stator core; a connection part at a neutral point; and a connection part of a lead wire. | 2020-01-23 |
20200028405 | MOTOR DEVICE - Provided is a motor device capable of detecting entry of water into a housing before a control circuit is submerged. A first motor bus bar includes a first U-phase motor bus bar, a first V-phase motor bus bar, and a first W-phase motor bus bar. A first control circuit is connected to the first motor bus bar. The first U-phase motor bus bar, the first V-phase motor bus bar, and the first W-phase motor bus bar are disposed on the lower side with respect to the first control circuit in a gravity direction. The first control circuit detects entry of water into a motor housing of the motor device, based on the status of power supply to the first U-phase motor bus bar, the first V-phase motor bus bar, and the first W-phase motor bus bar. | 2020-01-23 |
20200028406 | LINEAR ACTUATOR - A linear actuator comprises a housing, inside which a spindle assembly, a push rod assembly driven by the spindle assembly, a limit switch for limiting stroke of the push rod assembly, and a motor for driving the spindle assembly are mounted. A connecting seat is disposed on the circuit board for centralizing connection terminals. The motor is electrically connected to the connection terminals. The housing is provided with a plug-in window aligned to the connecting seat. An electric plug of the linear actuator passes through the plug-in window and is plugged into the connecting seat. The electric plug and the housing are fastened together via a mounting component. | 2020-01-23 |
20200028407 | DRIVING SYSTEM HAVING REDUCED VIBRATION TRANSMISSION - A driving system has a driving motor body operative to produce a driving force for driving an object to move in reciprocating directions. A pivotal support is located between the driving motor body and a machine base for supporting the driving motor body on the machine base. The pivotal support causes at least a portion of the driving motor body to rotate relative to the machine base in an opposite direction to a direction of the driving force produced by the driving motor body to drive the object, so as to reduce vibration transmission to the machine base. | 2020-01-23 |
20200028408 | MAGNETIC ENERGY CONVERSION SYSTEM - Some implementations include a magnetic energy conversion system comprising a magnet rotor assembly having one or more magnets radially spaced apart, wherein the magnet rotor assembly is configured to be attached to a driveshaft of a vehicle, and a stator assembly having one or more electrical coils, wherein the stator assembly includes a housing and one or more electrical coils, wherein the housing is configured to be placed around the driveshaft of the vehicle and around the magnet rotor assembly attached to the driveshaft so that the one or more electrical coils are in the field of the one or more magnets at least temporarily when the magnet rotor assembly rotates when the driveshaft of the vehicle turns. | 2020-01-23 |
20200028409 | A CONTROL DEVICE AND A METHOD FOR CONTROLLING AN ELECTRIC DRIVE - An electric drive comprises a bearingless electric machine, a converter, and a control device. The stator of the electric machine has a cage winding including bars connected to a conductor ring. The control device controls the converter to supply torque generating current components to the bars so that torque is generated in accordance with electric machine control and to supply levitation current components to the bars so that the rotor of the bearingless electric machine is levitated in accordance with levitation control. The cage winding allows the currents of the bars to be controlled so that different current sheet distributions can be generated so as to generate desired torque and magnetic force. | 2020-01-23 |