51st week of 2021 patent applcation highlights part 68 |
Patent application number | Title | Published |
20210399518 | METHOD FOR PRODUCING SEMICONDUCTOR LASERS AND SEMICONDUCTOR LASERS - In one embodiment, the method serves for producing semiconductor lasers and includes the following steps in the order indicated: A) applying a multiplicity of edge emitting laser diodes on a mounting substrate, B) applying an encapsulation element, such that the laser diodes are applied in each case in a cavity between the mounting substrate and the associated encapsulation element, C) operating the laser diodes and determining emission directions of the laser diodes, D) producing material damage in partial regions of the encapsulation element, wherein the partial regions are uniquely assigned to the laser diodes, E) collectively removing material of the encapsulation element, said material being affected by the material damage, with the result that individual optical surfaces for beam shaping arise for the laser diodes in the partial regions, and F) singulating to form the semiconductor lasers. | 2021-12-23 |
20210399519 | Long Lifetime Laser Diode Packaging - There are provided high power, high brightness solid-state laser systems that maintain initial beam properties, including power levels, and do not have degradation of performance or beam quality, for at least 10,000 hours of operation. There are provided high power, high brightness solid-state laser systems containing Oxygen in their internal environments and which are free from siloxanes. | 2021-12-23 |
20210399520 | SUBSTRATE FOR MOUNTING A LIGHT-EMITTING ELEMENT, ARRAY SUBSTRATE, AND LIGHT-EMITTING DEVICE - A substrate for mounting a light-emitting element includes a base and a dam part. The base includes a front surface and a back surface that are principal surfaces thereof where the front surface includes a mounting part that is capable of mounting a light-emitting element thereon. The dam part is arranged on a peripheral part of the front surface to surround the mounting part. The front surface is inclined relative to the back surface at a predetermined angle. The dam part is provided with an opening part at a site where the front surface is inclined to decrease a thickness of the base, in the peripheral part of the front surface. A site of the dam part where the opening part is provided is inclined relative to the back surface in a direction of the front surface. | 2021-12-23 |
20210399521 | QCL WITH BRANCH STRUCTURE AND RELATED METHODS - A QCL may include a substrate, and a semiconductor layer adjacent the substrate. The semiconductor layer may define branch active regions, and a stem region coupled to output ends of the branch active regions. Each branch active region may have a number of stages less than 30. | 2021-12-23 |
20210399522 | COUPLED-CAVITY VCSELS FOR ENHANCED MODULATION BANDWIDTH - Coupled-cavity vertical cavity surface emitting lasers (VCSELs) are provided by the present disclosure. The coupled-cavity VCSEL can comprise a VCSEL having a first mirror, a gain medium disposed above the first mirror, and a second mirror disposed above the gain medium, wherein a first cavity is formed by the first mirror and the second mirror. A second cavity is optically coupled to the VCSEL and configured to reflect light emitted from the VCSEL back into the first cavity of the VCSEL. In some embodiments, the second cavity can be an external cavity optically coupled to the VCSEL through a coupling component. In some embodiments, the second cavity can be integrated with the VCSEL to form a monolithic coupled-cavity VCSEL. A feedback circuit can control operation of the coupled-cavity VCSEL so the output comprises a target high frequency signal. | 2021-12-23 |
20210399523 | SURFACE EMITTING LASER MODULE, OPTICAL DEVICE, AND SURFACE EMITTING LASER SUBSTRATE - A surface emitting laser module includes a base substrate, a surface emitting laser substrate mounted on the base substrate, the surface emitting laser substrate including a surface emitting laser element, and the surface emitting laser substrate having a first face facing the base substrate and a second face facing away from the base substrate, and an optical member facing the second face and including an optical element configured to receive light emitted from the second face of the surface emitting laser element. The surface emitting laser element includes a first semiconductor layer, a second semiconductor layer, a first electrode provided on the first face and connected to the first semiconductor layer, and a second electrode provided on the first face and connected to the second semiconductor layer. The base substrate includes a third electrode connected to the first electrode and a fourth electrode connected to the second electrode. | 2021-12-23 |
20210399524 | VERTICAL CAVITY SURFACE EMITTING LASER AND METHOD OF PRODUCING SAME - A Vertical Cavity Surface Emitting Laser (VCSEL) includes a layer stack of semiconductor layers having a first layer sub-stack forming a mesa, and a second layer sub-stack adjacent to the mesa in a stacking direction. Layers of the second layer sub-stack extend beyond layers of the first sub-stack in a direction perpendicular to the stacking direction. The semiconductor layers of the layer stack form an optical resonator having a first mirror, a second mirror, an active region between the first and second mirrors for laser light generation, and an oxide aperture layer forming a current aperture. The oxide aperture layer is made from Al | 2021-12-23 |
20210399525 | VERTICAL-CAVITY SURFACE-EMITTING LASER ARRAY WITH ISOLATED CATHODES AND A COMMON ANODE - A vertical-cavity surface-emitting laser (VCSEL) array may include an n-type substrate layer and an n-type metal on a bottom surface of the n-type substrate layer. The n-type metal may form a common anode for a group of VCSEL. The VCSEL array may include a bottom mirror structure on a top surface of the n-type substrate layer. The bottom mirror structure may include one or more bottom mirror sections and a tunnel junction to reverse a carrier type within the bottom mirror structure. The VCSEL array may include an active region on the bottom mirror structure and an oxidation layer to provide optical and electrical confinement. The VCSEL array may include an n-type top mirror on the active region, a top contact layer over the n-type top mirror, and a top metal on the top contact layer. The top metal may form an isolated cathode for the VCSEL array. | 2021-12-23 |
20210399526 | SURFACE-EMITTING QUANTUM CASCADE LASER - According to one embodiment, a surface-emitting quantum cascade laser includes a substrate; a mesa portion of a semiconductor stacked body located on the substrate, and a reflective film located at a sidewall of the mesa portion. The mesa portion includes a light-emitting layer emitting light due to an intersubband transition of a carrier, and a photonic crystal layer including a two-dimensional diffraction grating. | 2021-12-23 |
20210399527 | QCL WITH BRANCH STRUCTURE AND RELATED METHODS - A QCL may include a substrate, and a semiconductor layer adjacent the substrate. The semiconductor layer may define branch active regions, and a stem region coupled to output ends of the branch active regions. Each branch active region may have a number of stages less than 30. | 2021-12-23 |
20210399528 | A SURFACE EMITTING LASER DEVICE AND LIGHT EMITTING DEVICE INCLUDING THE SAME - An embodiment relates to a surface emitting laser device and a light emitting device including the same. A surface emitting laser device according to the embodiment may include a first reflective layer; an active layer disposed on the first reflective layer; an aperture area disposed on the active layer and including an aperture and an insulating region; and a second reflective layer disposed in the aperture area. The active layer may comprise a plurality of quantum wells, quantum barriers, and intermediate layers disposed between the quantum wells and the quantum barriers. The quantum wells and the quantum barriers may include a ternary material, and the intermediate layers may comprise a binary material. | 2021-12-23 |
20210399529 | SEMICONDUCTOR LASER - A semiconductor laser includes an edge-emitting laser diode, which has an active zone for generating laser radiation and a facet having a radiation exit region, and at least one photodiode. The facet is arranged on a main emission side of the laser diode. The photodiode is arranged in such a way that at least part of the laser radiation exiting at the facet reaches the photodiode. The laser diode and the photodiode are not connected to each other in a non-destructively detachable manner, and a non-destructively detachable connection is formed with a joining partner | 2021-12-23 |
20210399530 | VERTICAL-CAVITY SURFACE-EMITTING LASER ARRAY WITH A TILTED EMITTER PATTERN - A VCSEL array may include a semiconductor substrate and a plurality of emitters on the substrate that conforms to an emitter pattern. The emitter pattern may be oriented at a non-zero angle to an edge of the substrate and may comprise two or more unit cells arranged to form the emitter pattern. Each unit cell, of the two or more unit cells, may include a same number of emitters, and the two or more unit cells may be arranged to cause a measurement of misalignment associated with two adjacent unit cells, of the two or more unit cells, to satisfy a misalignment threshold. | 2021-12-23 |
20210399531 | DUAL SPARK PLUG - A dual spark plug may include: a metal body made of metal material, an insulating body provided inside of the metal body and made of an insulating material, a pair of central electrodes provided inside of the insulating body and electrically connected with an ignition coil, and a pair of ground electrodes respectively extended from both ends the metal body, and spaced apart from ends of the pair of central electrodes by a predetermined distance. | 2021-12-23 |
20210399532 | SPARK PLUG - A spark plug capable of generating a sufficient volume of jet with an increased range is provided. The spark plug includes a metal shell having a tubular shape; a center electrode retained in the metal shell in an insulated manner; a ground electrode that is electrically connected to the metal shell and that defines a spark gap between the center electrode and an end portion of the ground electrode; and a cap portion that covers the center electrode and the end portion of the ground electrode from the front in a region in front of the metal shell and in which a through hole is formed. The cap portion includes a plurality of projections on an inner surface of the through hole. The projections extend in an extending direction in which the through hole extends. | 2021-12-23 |
20210399533 | IGNITION APPARATUS - There is provided an ignition apparatus that performs optimum energy control by suppressing a secondary current at a time when the ignition plug is consumed, while maintaining the simplicity, the small size, and the low cost and while securing the flammability. The ignition apparatus is provided with a first switching circuit that turns on or off energization from a power source to a primary coil, a secondary coil that is magnetically coupled with the primary coil and supplies a secondary current to an ignition plug, and a controller that decreases the secondary current for a spark discharge by use of an energy-changeable circuit, when determining that the ignition plug has been consumed, based on an output of a plug-consumption detection circuit. | 2021-12-23 |
20210399534 | CONDUIT FITTING - A conduit fitting is provided herein. The conduit fitting may be configured to couple to an electrical mechanical tubing (EMT) often used in a fire suppression system. The conduit fitting may include a first cylindrical section and a second conical section. The first cylindrical section and the second conical section can both include a slit extending partially through the conduit fitting. | 2021-12-23 |
20210399535 | DEEP FIBER PUSH CONNECTOR THAT ALLOWS FOR ROTATION DURING TIGHTENING WITHOUT DAMAGING CABLE - A connector includes a first connector body and a second connector body configured to be coupled to one another. The first connector body has a through hole and a cavity. The through hole and the cavity are configured to receive a shield of a hardline coaxial cable. A first washer is disposed in the first connector body and is configured to permit the shield to be pushed in a first direction through the through hole and into the cavity while resisting movement of the shield in a second direction opposite to the first direction. The second connector body has a through hole and a cavity. The through hole and the cavity of the second connector body are configured to receive a tubular member. A second washer is disposed in the second connector body and is configured to permit the tubular member to be pushed in the second direction through the through hole of the second connector body and into the cavity of the second connector body while resisting movement of the tubular member in the first direction. The second connector body is rotatable relative to the second washer and the tubular member until the second connector body and the first connector body are coupled together to a predetermined degree of tightness. | 2021-12-23 |
20210399536 | PERFORATED TRAY SPLICING SYSTEM - A cable tray assembly comprising a plurality of tray segments, each tray segment comprising a first portion and a second portion positioned about first and second ends, respectively, of the tray segment. The first portion has an inner region between at least sidewalls of the tray segment that is sized to receive placement of a second end of another tray segment. Additionally, the first portion can include one or more open ended grooves that, during assembly of the cable tray assembly, can receive a mating projection that is securely connected to the second end of the other tray segment. The open ended groove can be downwardly sloped, and can extend through an outer edge of the corresponding sidewall. The projection can be fixed or adjoined to the second end at least prior to assembly of the cable tray assembly, and can include shank that is threadingly engaged by a retainer. | 2021-12-23 |
20210399537 | CABLE BUSHING - The invention relates to a cable bushing comprising a frame, which comprises at least one space for receiving at least one resilient cable grommet, and which has at least one first and one second frame part, as well as a clamping lever, which is or can be rotatably movably connected to the first frame part and is movable between an open position and a closed position, the frame parts being braced against one another in a bracing direction in the closed position of the clamping lever. | 2021-12-23 |
20210399538 | CABLE SCREW CONNECTION - The invention relates to a cable screw connection having a cable leadthrough housing which is formed in two parts from a first housing component ( | 2021-12-23 |
20210399539 | CONDUCTIVE STRUCTURE - A conductive structure includes: a single-layer busbar that is formed in a plate shape and constitutes a conductive path; and a multi-layer busbar that is configured by laminating a plurality of busbars which are formed as plates thinner than the single-layer busbar and that is joined to an end of the single-layer busbar and constitutes the conductive path. The multi-layer busbar includes a main body portion in which at least some of the laminated plurality of busbars are capable of mutual displacement relative to the busbars adjacent thereto, and a joining end located at a end of the main body portion on the single-layer busbar side and in which the laminated plurality of busbars are incapable of mutual displacement relative to each other, the joining end being joined to the end of the single-layer busbar. | 2021-12-23 |
20210399540 | AERIAL SEGMENTED VIRTUAL CONDUIT - An aerial cable support system includes a first cable holder with a first tubular member and a second tubular member attached thereto. First and second elongated links are attached within first and second opposed openings of the first tubular member. A messenger wire is inserted through a sidewall of the second tubular member. At least one cable is either inserted through the sidewall of the second tubular member or through a sidewall of a third tubular member attached to the first and/or second tubular members. By attaching a series of cable holders together using a series of elongated links, a virtual conduit system is created to push cable(s) along a messenger wire between two poles and to support the cables from the messenger wire. | 2021-12-23 |
20210399541 | DEVICE, SYSTEM AND METHOD FOR INSTALLING AN OBJECT ON A POWER LINE - A drone is for installing an object on a power line. The drone has a connection means for connecting the drone to the object, so that the drone may carry the object. A first engagement member is for engaging a second engagement member on the object. A power source is for operating the first engagement member so as to actuate a locking means on the object, via the second engagement member, for securely locking the object to the power line. The drone further has a device for limiting one or more degrees of freedom of the object relative to the power line before engaging the locking means. | 2021-12-23 |
20210399542 | ELECTRICAL SYSTEM REDUNDANT OVERVOLTAGE PROTECTION - Described is a method including monitoring a point of regulation voltage input to a generator control unit and monitoring a generator output voltage as a backup point of regulation voltage input. The method also includes detecting an overvoltage fault at the point of regulation voltage input, the backup point of regulation voltage input, or both. Additionally, the method includes opening a first solid-state switch ( | 2021-12-23 |
20210399543 | IN-MOLD LID CLOSING APPARATUS - An in-mold lid closing apparatus includes a lid engagement member, a first actuation assembly connected to a first portion of the lid engagement member, a second actuation assembly connected to a second opposing portion of the lid engagement member, and a controller disposed in electrical communication with the first actuation assembly and the second actuation assembly. The controller is configured to transmit a first drive signal to the first actuation assembly and a second drive signal to the second actuation assembly to drive one of a linear position and a rotational position of the lid engagement member and to adjust at least one of the first drive signal and the second drive signal based upon a first feedback signal received from the first actuation assembly and a second feedback signal received from the second actuation assembly. | 2021-12-23 |
20210399544 | BATTERY SECONDARY PROTECTION CIRCUIT AND MODE SWITCHING METHOD THEREOF - A battery secondary protection circuit and a mode switching method thereof are disclosed. The battery secondary protection circuit is coupled in series with a battery primary protection circuit and has a power pin and a sensing pin. The switching method includes steps of: (S | 2021-12-23 |
20210399545 | Accelerated Zone-2 Protection for Transmission Lines - The invention relates to protection from faults in a power transmission system having two or more transmission lines. Travelling waves are detected from a signal obtained with a measurement equipment associated with a bus of the power transmission system. Arrival times of a first peak of a first travelling wave, a second travelling wave and a third travelling wave, are detected from the signal. A value for line length is calculated from the arrival times and propagation velocity of the travelling wave in the corresponding transmission line. The calculated value is compared with an actual length of the corresponding transmission line, for determining if the fault is an internal fault or an external fault. According to the fault being one of the internal fault and the external fault, a signal for controlling a switching device associated with the corresponding transmission line is generated. | 2021-12-23 |
20210399546 | POWER SYSTEM MEASUREMENT BASED MODEL CALIBRATION WITH ENHANCED OPTIMIZATION - A dynamic simulation engine, having system parameters, may be provided for a component of an electrical power system (e.g., a generator, wind turbine, etc.). A model parameter tuning engine may receive, from a measurement data store, measurement data measured by an electrical power system measurement unit (e.g., a phasor measurement unit or digital fault recorder measuring a disturbance event). The model parameter tuning engine may then pre-condition the measurement data and set-up an optimization problem based on a result of the pre-conditioning. The system parameters of the dynamic simulation engine may be determined by solving the optimization problem with an iterative method until at least one convergence criteria is met. According to some embodiments, solving the optimization problem includes a Jacobian approximation that does not call the dynamic simulation engine if an improvement of residual meets a pre-defined criteria. | 2021-12-23 |
20210399547 | CAPACITY ESTIMATOR FOR AN ENERGY GENERATION AND/OR STORAGE SYSTEM - A method and apparatus for estimating capacity of a system including an energy generation system, an energy storage system or both. The method and apparatus initially estimate the system capacity based on a facility location and size. The initial estimate may be adjusted through adjustment of at least one parameter. An updated capacity estimate is generated and displayed. | 2021-12-23 |
20210399548 | POWER ISOLATION SYSTEMS AND DEVICES FOR MICRO GRIDS FOR INFORMATION AND COMMUNICATION TECHNOLOGY INFRASTRUCTURE AND RELATED METHODS OF PROVIDING POWER TO MICRO GRIDS - A power system includes a power sourcing device, a first splice enclosure including a first power input port, a first power output port, and a first power tap port that is connected to a first remote powered device, and a second splice enclosure including a second power input port, a second power output port, and a second power tap port that is connect to a second remote powered device. The power system includes a composite power-data cable configured to carry power signals transmitted from the power sourcing device to the first splice enclosure and to the second splice enclosure. The power sourcing device is configured to disable the power signals to at least one of the first power input port, the first power output port, or the first power tap port of the first splice enclosure without disabling the power signals at the second splice enclosure. | 2021-12-23 |
20210399549 | Apparent Power Management in Hybrid Power Stations - A hybrid power system ( | 2021-12-23 |
20210399550 | SYSTEM AND METHOD FOR DYNAMICALLY ESTIMATING INVERTER-BASED RESOURCE REACTIVE POWER CAPABILITY - A method for controlling a power system includes generating, via at least one inverter-based resource, one or more command signals via a regulator of at least one inverter-based resource of the power system. Further, the method includes dynamically estimating, via the at least one inverter-based resource, a reactive power capability of the at least one inverter-based resource based, at least in part, on the one or more command signals. Further, the method includes sending, via the at least one inverter-based resource, the reactive power capability to the system-level controller. Thus, the method includes controlling the power system based on the reactive power capability. | 2021-12-23 |
20210399551 | COORDINATED CONTROL SYSTEM AND METHOD OF WIND TURBINE AND STATCOM FOR SUPPRESSING UNBALANCED VOLTAGE IN DISPERSED WIND FARM - The disclosure discloses a system and method for suppressing unbalanced voltage at the Point of Common Coupling (PCC) of dispersed wind farm. According to the disclosure, the wind farm comprising a STATCOM and plurality of wind turbines, dispersed wind farm controller, STATCOM controller, wind turbine controller. The dispersed wind farm controller decides that whether the STATCOM or the wind turbines inject negative-sequence current or not. Adaptive virtual negative-sequence output admittance controller is incorporated into the STATCOM controller and wind turbine controller, which can provide the negative-sequence current reference according to their participation factor. The compensation efforts of STATCOM and wind turbines can be flexibly controlled by changing their participation factor, which is related to the voltage unbalance voltage reference and the remaining capacity. The disclosure has significant advantages in cost and effectiveness to suppress the unbalanced voltage of PCC and improve the wind farm Low voltage fault recovery capability. | 2021-12-23 |
20210399552 | Method for Starting a Hydraulic Turbine - The invention concerns a method for coupling to the grid a hydraulic unit having a synchronous generator, a runner, and wicket gates. The method includes a step of increasing the flow of water into the runner from a time t | 2021-12-23 |
20210399553 | BATTERY MANAGEMENT SYSTEM - A battery management system of a battery cell assembly including a plurality of cells, includes a plurality of first cell balancing resistors and a plurality of first cell balancing switches connected between a positive electrode and a negative electrode of a corresponding first cell among the plurality of cells; and a plurality of second cell balancing resistors and a plurality of second cell balancing switches connected between the positive electrode and the negative electrode of the corresponding first cell, wherein a first cell balancing current flowing during an on period of each first cell balancing switch is greater than a second cell balancing current flowing during an on period of each second cell balancing switch. | 2021-12-23 |
20210399554 | BALANCING A BATTERY PACK WITH PULSE CHARGING - Disclosed are systems, methods, and devices for balancing a battery pack that comprises a plurality of battery cells. A first charging protocol to charge the battery pack is employed, and while the battery pack is being charged, a determination is made whether the battery pack is imbalanced. After determining that the battery pack is imbalanced, a determination is made whether a value of the state of charge (SoC) of the battery pack corresponds to a particular range of values. After determining that the value of the SoC of the battery pack corresponds to the particular range of values and that the battery pack is imbalanced, a second charging protocol to charge the battery pack is employed, wherein the second charging protocol is different from the first charging protocol. | 2021-12-23 |
20210399555 | CHARGE CONTROL CIRCUIT, CHARGING DEVICE AND CHARGING SYSTEM - The present disclosure provides a charge control circuit, a charging device and a charging system. The charge control circuit comprises a power input end, a power output end, a switch unit, a control unit and a detection unit, wherein rechargeable batteries comprise a first rechargeable battery and a second rechargeable battery; the power output end comprises a first power output end and a second power output end; the switch unit comprises a first switch and a second switch; a voltage adjustment circuit is connected between the first switch and the first power output end; and when the detection unit detects that the rated voltages of the rechargeable batteries are not the same, the control unit controls the second switch to be closed and the second rechargeable battery is charged, and at the same time the control unit controls the first switch to be closed and activates the voltage adjustment circuit. | 2021-12-23 |
20210399556 | BATTERY MODULE - A battery module including a battery string and a switch is provided. The battery string includes a first battery, a second battery, a third battery, a first metal plate, and a second metal plate. The first battery includes a first positive terminal and a first negative terminal. The second battery includes a second positive terminal and a second negative terminal. The third battery includes a third positive terminal and a third negative terminal. The first metal plate is connected to the first negative terminal and the second positive terminal. The second metal plate is connected to the second negative terminal and the third positive terminal. The switch is connected to the first or second metal plate. | 2021-12-23 |
20210399557 | BATTERY CONTROL UNIT AND BATTERY SYSTEM - A battery control unit includes a switching unit, a system controller, and a control unit. The switching unit switches between a connection state in which the corresponding battery is discharged and a non-connection state in which the corresponding battery is not discharged. The system controller limits a discharge current flowing through the battery in the connection state so as not to exceed a minimum discharge current limitation value that is smallest among discharge current limitation values. The control unit switches to the non-connection state in order from the battery having the minimum discharge current limitation value before the discharge current limitation unit limits the discharge current. Further, the control unit switches all the batteries to the connection state after the batteries in the connection state becomes one, and then switch the battery to the non-connection state in order from the battery determined to reach a discharge termination state. | 2021-12-23 |
20210399558 | BATTERY CONTROL UNIT AND BATTERY SYSTEM - A battery control unit includes a switching unit and a control unit. The switching unit is provided for each of a plurality of batteries connected to in series to each other, and switches a connection state in which the corresponding battery is discharged and a non-connection state in which the corresponding battery is not discharged. The control unit switches the battery to the non-connection state in order from the battery whose remaining dischargeable capacity reaches a predetermined value. Further, the control unit switches all the batteries to the connection state after the remaining dischargeable capacity of all the batteries reaches the predetermined value, and then switch the battery to the non-connection state in order from the battery determined to reach a discharge termination state | 2021-12-23 |
20210399559 | Supplemental Capacitor Based Battery Charging System - A system and method are presented relating to a hybrid portable charging device having an internal battery and an internal supercapacitor. Input logic is implemented as part of the management system for the charging device. In one embodiment, input power is analyzed to determine whether the input power level is low, medium, or high, with input power being diverted to the battery or supercapacitor depending on the determined input power level. At high input power, the supercapacitor is charged first. At low input power, the battery is charged first. At medium power, the input power is split between the supercapacitor and the battery. In another embodiment, output can be directed using output logic so that power flows first from the supercapacitor so that the supercapacitor is fully discharged before battery power is output to the load on the charging device. | 2021-12-23 |
20210399560 | METHOD AND APPARATUS FOR CONTROLLING CHARGING OF VEHICLE BATTERY - An apparatus of controlling charging of a vehicle battery may include a charging device of a vehicle, the charging device configured to generate a boosted voltage higher than a charging voltage of electric vehicle supply equipment provided outside the vehicle and to charge a battery storing power for driving the vehicle, and a vehicle control unit configured to determine whether power line communication transmitting information for charging the battery performed with the electric vehicle supply equipment provided outside the vehicle and providing the charging voltage to the charging device of the vehicle is off while the battery is charged by the boosted voltage. | 2021-12-23 |
20210399561 | ELECTRONIC DEVICE AND METHOD FOR RECEIVING POWER FROM EXTERNAL ELECTRONIC DEVICE - Disclosed is an electronic device comprising: a first input/output terminal; a second input/output terminal; a power source module; a first switch selectively connecting the first input/output terminal to the power source module; a second switch selectively connecting the second input/output terminal to the power source module; a diode having an anode electrically connected to the first input/output terminal and a cathode electrically connected to the power source module, so that the diode is connected in parallel to the first switch; and a control circuit for controlling the first switch and the second switch. The electronic device can prevent damage due to power from external electronic devices by controlling the first switch and the second switch in response to connection of the external electronic devices. Additional various embodiments identified through the specification are possible. | 2021-12-23 |
20210399562 | Battery Power Delivery Module - A system and method for digital management and control of power conversion from battery cells. The system utilizes a power management and conversion module that uses a CPU to maintain a high power conversion efficiency over a wide range of loads and to manage charge and discharge operation of the battery cells. The power management and conversion module includes the CPU, a current sense unit, a charge/discharge unit, a DC-to-DC conversion unit, a battery protection unit, a fuel gauge and an internal DC regulation unit. Through intelligent power conversion and charge/discharge operations, a given battery type is given the ability to emulate other battery types by conversion of the output voltage of the battery and adaptation of the charging scheme to suit the battery. | 2021-12-23 |
20210399563 | ELECTRONIC DEVICE AND CHARGING MODULE SYSTEM COMPRISING SAME - An electronic device of a charging module system may include a housing having a first surface facing a first direction and a second surface facing a second direction opposite to the first direction; a display device at least partially is exposed through the first surface to display information to the outside; a biometric sensor disposed to be exposed in at least an area of the second surface and sensing biometric information of a user; a battery disposed between the display device and the biometric sensor; and a plurality of electrodes disposed adjacent to the at least an area of the second surface and formed to be exposed in at least another area of the second surface, in which the plurality of electrodes may surround at least a portion of the biometric sensor, and each of the plurality of electrodes has a notch protruding or recessed at least at one end. | 2021-12-23 |
20210399564 | Earpiece Charging Case Detection - A system with an earpiece that comprises a rechargeable earpiece power source and a case that is configured to interface with the earpiece in an earpiece power source charging configuration and comprises a case power source that is configured to recharge the earpiece power source. A detection circuit, located in part in the earpiece and in part in the case, includes at least one earpiece electrical contact that is configured to electrically couple to at least one case electrical contact when the earpiece is interfaced with the case in the earpiece power source charging configuration. The detection circuit is configured to detect, using the earpiece and case electrical contacts, whether the earpiece is interfaced with the case in the earpiece power source charging configuration, even if one of the earpiece power source and the case power source does not have power. | 2021-12-23 |
20210399565 | SMARTPHONE CHARGER, STAND, AND RING HOLDER DEVICE - The smartphone charger, stand, and ring holder device may allow a user to charge their smart device whenever necessary, position their smart device so that it may stand independently, or more securely hold on to their smart device when carrying it. The device can be attached to the back surface of a smartphone or other smart device, and has a device connector that plugs into the smart device and a charging connector that plugs into a power source. The device also has a kickstand cover that covers the various connectors and can be opened to allow the smart device to stand independently. A ring holder is integrated into the outer cover of the device and may be articulated outwards to allow a user to more securely hold the device and, thus, their smart device. The combination may further integrate a capacitor or battery for providing power storage. | 2021-12-23 |
20210399566 | OFFLINE MUTUAL AUTHENTICATION FOR BATTERY SWAPPING - An offline mutual authentication method for battery swapping includes communicating a first authentication request to a battery by a computing device associated with a battery charger. A first authentication response is communicated to the computing device. The first authentication response is verified, and a first challenge request is communicated to the battery. A first challenge response is communicated to the computing device. The first challenge response is verified, and a battery authentication status is communicated to the battery. A second authentication request is communicated to the computing device. A second authentication response is communicated to the battery. The second authentication response is verified, and a second challenge request is communicated to the computing device. A second challenge response is communicated to the battery. The second challenge response is verified, and a charger authentication status is communicated by the battery to the computing device. | 2021-12-23 |
20210399567 | CHARGING CONTROLLER, RECHARGEABLE BATTERY, ELECTRONIC DEVICE, AND CONTROL METHOD - A charging controller includes a current measurement unit configured to measure a charging current of a rechargeable battery, a detection unit configured to detect switching from a constant current charge to a constant voltage charge based on the charging current measured by the current measurement unit, during charge of the rechargeable battery, and an update unit configured to update a full charge capacity of the rechargeable battery based on a charged capacity after the point in time, detected by the detection unit, of switching from the constant current charge to the constant voltage charge. | 2021-12-23 |
20210399568 | Optional Terminal Charging Method, Graphical User Interface, and Electronic Device - An electronic device, where after the electronic device is coupled to a charging device, the electronic device is configured to obtain a current time, charge the battery in a first mode in response to the current time is in a first time period, in response to the current time is in a second time period and after the battery level is less than a preset threshold, charging the battery in the first mode; in response to the current time is in a second time period and after the battery level is greater than or equal to the preset threshold, charging the battery in a second mode, wherein the second time period is after the first time period is subtracted from a whole day time period, and the preset threshold is less than a battery level when the battery is fully charged. | 2021-12-23 |
20210399569 | METHOD FOR OPERATING AN ELECTRICAL ENERGY STORE - The invention relates to a method for operating an electrical energy store, comprising a storage cell for storing electrical energy and a control unit, wherein a safety switch is provided which is designed to interrupt an electrical line of the electrical energy store, wherein a current flowing through the electrical line is detected and an actuation of the safety switch only occurs if the current is below a predefinable threshold value. | 2021-12-23 |
20210399570 | Electric vehicle DC charging system using a voltage of 1250 volts output by a transformer - Disclosed is an electric vehicle direct current (DC) charging system with a transformer capable of outputting a voltage of 1250 volts, including: a three-phase distribution transformer with an output end capable of outputting a line voltage of 1250 volts and a buck-type high-frequency pulse width modulation (PWM) rectifier-filter circuit; wherein the output end is connected with the buck-type high-frequency PWM rectifier-filter circuit; the buck-type high-frequency PWM rectifier-filter circuit is equipped with a charging controller, and the charging controller is configured for controlling the buck-type high-frequency PWM rectifier-filter circuit. The electric vehicle DC charging system with a transformer capable of outputting a voltage of 1250 volts according to the disclosure is a simplified charging system, thereby reducing cost and a power consumption of the electric vehicle DC charging system, and making charging more convenient. | 2021-12-23 |
20210399571 | DISCHARGE CONTROL DEVICE - If a wire is broken at a connecting portion | 2021-12-23 |
20210399572 | Method and Apparatus for Distributing Electric Energy Quantity - The present disclosure provides a method and apparatus for distributing an electric energy quantity. The method and apparatus are used for solving a problem that electric energy cannot be reasonably distributed among multiple household appliances in the related art. The method includes that a terminal detects a first remaining electric energy quantity of a photovoltaic panel; the terminal determines, according to pre-determined identification information of at least one household appliance to be electrified corresponding to each remaining electric energy quantity range of the photovoltaic panel, first identification information corresponding to a first remaining electric energy quantity range where the first remaining electric energy quantity is located; and the terminal controls the photovoltaic panel to electrify a first household appliance of the first identification information. | 2021-12-23 |
20210399573 | Photovoltaic Electric Appliance and Charging Control Method, Device and Circuit Thereof, and Storage Medium - Disclosed are a photovoltaic and a charging control method, device and circuit thereof, and a storage medium. The charging control circuit includes: a double-relay circuit and a charging relay circuit, wherein the double-relay circuit is arranged between a grid side circuit and a machine side circuit of the photovoltaic electric appliance; and the charging relay circuit is configured to turn on to realize the gradual charging of a bus capacitor when the double-relay circuit is not turned one. A charging relay circuit is added to an alternating-current power supply side, so that when double relays are not closed, a charging relay can be closed to realize the gradual charging of a bus capacitor. | 2021-12-23 |
20210399574 | REMOTELY CONTROLLED POWER SWITCHING MODULE - A remotely controlled switching module that provides switching and preferably dimming functions for one or more AC or DC power distribution lines. The inventive module is preferably sized to fit within existing outlet and switch boxes, while still leaving enough room for the conventional components that are also housed in such enclosures. Remote control is provided wirelessly—preferably using an existing wireless communication protocol. Local control is preferably also provided for the inventive switching module. Local control inputs preferably allow control via existing components—such as two-pole light switches. | 2021-12-23 |
20210399575 | PLANNING APPARATUS, CONTROLLING APPARATUS, METHOD, AND RCORDING MEDIUM - The present invention provides a planning apparatus for creating an operation plan for a hydrogen production system including a hydrogen generation apparatus, comprising: an acquisition portion for acquiring a demand response from a power operator; and an operation planning portion for creating the operation plan based on the demand response before a target period of the operation plan and at least one of a electricity price, a demand amount of hydrogen and an amount of stored hydrogen before the target period. | 2021-12-23 |
20210399576 | Method of maintaining a charge on a smart phone - The present invention is directed to a method of maintaining a charge on cell phones or smart phones. The phone to be charged is provided with a programmable circuit module or IC that senses the availability and strength of a WIFI or 5G signal. The module is capable of converting a WIFI, 5G, or other communication signal into a charging current. A user would have an application running on the phone, the application capable of allowing the user to interface with the module using the smartphone display. If several WIFI or 5G signals are sensed, the module will determine which signal is strongest, and begin drawing charging current from the signal and applying the signal to the phone. In an alternative embodiment, the module can convert all available WIFI and 5G signals into a charging current. | 2021-12-23 |
20210399577 | Wireless Charging System with Simultaneous Wireless Power Transfer at Different Frequencies - An electronic device in a wireless power system may be operable with a removable accessory such as a case. The device may have coplanar power transmitting and power receiving coils. The transmitting coil may be positioned within a central opening of the receiving coil. The removable accessory may have an embedded receiving coil configured to receive wireless power from the transmitting coil of the electronic device. The receiving coil of the electronic device may receive wireless power from a power transmitting device such as charging mat. The receiving coil of the electronic device may operate up to a higher maximum power than the transmitting coil of the electronic device. The power transmitting coil and power receiving coil in the electronic device may operate at different power transmission frequencies. To mitigate crosstalk, the power transmitting coil's operation frequency may be a non-integer multiple of the power receiving coil's operation frequency. | 2021-12-23 |
20210399578 | WIRELESS CHARGER FOR PLAYBACK DEVICES - Aspects of the present disclosure relate to wireless chargers for playback devices, such as portable playback devices. | 2021-12-23 |
20210399579 | Systems and Methods for Optimizing Cable Size and Flexibility Using Inductive Power Couplings - A system and method for optimizing cable size and flexibility for a pool or spa installation is provided. The system includes an inductive power coupling having first and second power couplings. The inductive power coupling transforms a first voltage level provided by the cable to a second voltage level suitable for usage by the pool or spa component and compensates for a voltage loss associated with the cable allowing the cable to have a size and flexibility suitable for installation in a pipe or conduit. The first power coupling is in electrical communication with a power supply via a cable and the second power coupling is in electrical communication with a pool or spa component. The first power coupling inductively transmits received power from the power supply via the cable to the second power coupling. The second power coupling inductively transmits the received power to the pool or spa component. | 2021-12-23 |
20210399580 | PINLESS POWER COUPLING - A pinless power plug for receiving wireless power from a pinless power jack is disclosed The pinless power plug comprises at least one secondary coil for inductively coupling with a primary coil. The primary coil is associated with the pinless power jack. The primary coil is shielded behind an insulating layer. The pinless power jack comprises one or more magnetic anchors arranged around the at least one secondary coil in an annular configuration concentric with the at least one secondary coil. The one or more magnetic anchors are configured to magnetically couple with one or more magnetic snags in the pinless power jack. The one or more magnetic anchors are configured to magnetically couple with the one or more magnetic snags and maintain alignment between the at least one secondary coil and the primary coil. | 2021-12-23 |
20210399581 | Wireless Power Transfer Method, Circuit and Apparatus - A method for wirelessly providing power to a LED includes: receiving an AC input voltage having a first frequency via a cable; generating a first rectified voltage at a first node from the AC input voltage, the first node coupled to a first filtering non-electrolytic capacitor; powering a driver with the first rectified voltage; wirelessly transmitting power by driving a first resonant tank with the driver with a driving voltage at a second frequency higher than the first frequency, the driving voltage having a sinusoidal envelope at the first frequency and approximating a square-wave at the second frequency; receiving the wirelessly transmitted power with a second resonant tank; generating a second rectified voltage at second node from a voltage across the second resonant tank, the second node coupled to a second filtering capacitor; generating a DC voltage from the second rectified voltage; and powering the LED with the DC voltage. | 2021-12-23 |
20210399582 | RECEIVING UNIT, TRANSMISSION UNIT, POWER TRANSMISSION SYSTEM AND METHOD FOR WIRELESS POWER TRANSMISSION - The invention firstly relates to a receiver unit ( | 2021-12-23 |
20210399583 | NON-CONTACT POWER FEEDING SYSTEM AND POWER RECEPTION DEVICE - In a non-contact power feeding system for transmitting/receiving power, by magnetic coupling, between a coil connected to a transmitting side DC/AC conversion circuit and a coil connected to a receiving side AC/DC conversion circuit so as to supply power from a power supply to a load, voltage control for the load is performed by the transmitting side DC/AC conversion circuit, and control of current that flows to a capacitor connected to an output side of the receiving side AC/DC conversion circuit is performed by the receiving side AC/DC conversion circuit. Accordingly, coil to coil efficiency in a case of low load can be enhanced without the need for any additional circuit. | 2021-12-23 |
20210399584 | ANTENNA FOR USE WITH RF ENERGY HARVESTING - The disclosure describes techniques to provide antennae configured to harvest radio-frequency (RF) energy from the nearby environment to provide electrical energy to an electrically powered device. Antennae may be configured in different shapes, lengths, locations, and materials to efficiently collect RF energy to be converted to electrical power. In some examples, RF energy may be harvested from existing sources, such as FM radio transmissions, communication transmissions such as Wi-Fi and BLUETOOTH, and similar existing sources. In other examples, antennae may be configured to collect energy from a source specifically designated to recharge the device. In some examples, the harvested RF energy may be sufficient to power the device. In other examples, the harvested RF energy may provide enough power to reduce the amount of recharging required by other means, such as by inductive recharging. | 2021-12-23 |
20210399585 | Mobile Device Charger - A charger for a mobile device has a base with at least a subset of the circuitry of the charger and electrical contacts arranged on a mounting surface of the base to enable connection to terminals of a power transfer component external to the base in order to complete the circuitry of the charger. The power transfer component has electrical contacts arranged on a mounting surface to enable connection thereof to corresponding contacts on the base when the power transfer component is mounted to the base. The power transfer component is configured to be positioned in proximity to a mobile device such that mounting it to the base enables the base to transfer electrical power to the mobile device via the power transfer component. The mounting surfaces of the base and power transfer component include complementary magnetic mounts enabling the power transfer component to be magnetically mounted to the base. | 2021-12-23 |
20210399586 | WIRELESS ELECTRIC FIELD POWER TRANSFER SYSTEM AND TRANSMITTER, AND METHOD OF WIRELESSLY TRANSFERRING POWER - A transmit resonator is provided. The transmit resonator comprises: two inductors; a switching network electrically connected to the inductors; a plurality of capacitive electrodes electrically connected to the switching network; a detector communicatively connected to the capacitive electrodes; and a controller communicatively connected to the switching network and the detector. The detector is configured to detect impedance. The controller is configured to control the switching network to control which electrodes are connected to the inductors based on the detected impedance. The inductors and electrodes are configured to resonate to generate an electric field. | 2021-12-23 |
20210399587 | POLARIZATION ADAPTIVE WIRELESS POWER TRANSMISSION SYSTEM - The technology described herein relates to polarization adaptive wireless power transmission systems. In an implementation, a wireless power transmission system is described. The wireless power transmission system includes an antenna array and control circuitry operatively coupled to the antenna array. The control circuitry is configured to determine polarization information of a beacon signal received from a client device at multiple antennas of the antenna array. The beacon signal is transmitted by a client device in a wireless power delivery environment. The control circuitry is further configured to configure polarization information associated with each of the multiple antennas to match the polarization information determined at respective antennas of the multiple antennas. The present technology enables different wireless power receiver clients to have different polarizations. The wireless power transmission system can efficiently send power to the client devices by matching their polarization. | 2021-12-23 |
20210399588 | BEAMFORMING GENERATION METHOD IN SYSTEM FOR SIMULTANEOUSLY TRANSMITTING WIRELESS INFORMATION AND POWER, AND RECORDING MEDIUM AND APPARATUS FOR PERFORMING SAME - A beamforming method in a simultaneous wireless information and power transfer system and an apparatus therefor may derive a transmission signal transmitted to a plurality of information users and a plurality of energy users from a base station having an N | 2021-12-23 |
20210399589 | APPARATUS AND METHOD FOR DETECTING FOREIGN OBJECTS IN WIRELESS POWER TRANSMISSION SYSTEM - Aspects of the present invention relate to an apparatus and method for detecting foreign objects in a wireless power transmission system. This specification provides a wireless power reception apparatus for detecting foreign objects, including a power measurement unit for generating required power information indicative of required power for the wireless power reception apparatus, sending the required power information to a wireless power transmission apparatus, and measuring power induced from the wireless power transmission apparatus and a secondary coil for receiving the power induced from the wireless power transmission apparatus. In accordance with the present invention, foreign objects intervened between the wireless power transmission apparatus and the wireless power reception apparatus are recognized, and a user removes the foreign objects. Accordingly, damage to a device attributable to foreign objects can be prevented. | 2021-12-23 |
20210399590 | METHOD FOR WIRELESS POWER TRANSFER AND ELECTRONIC DEVICE THEREOF - Various embodiments of the present invention relate to wireless power transfer (WPT). An electronic device comprises a battery, a charging circuit for controlling a charging state of the battery, a coil, a wireless power transfer circuit electrically connected to the coil, and a control circuit, wherein the control circuit may be configured to: check a state related to charging of the battery; transfer a wireless charging parameter related to generation or modification of a power signal for transferring to an external electronic device via the coil, which is determined at least on the basis of the state related to charging of the battery; receive a response signal corresponding to the transfer of the wireless charging parameter from the external electronic device; generate, on the basis of the response signal, a power signal corresponding to the amount of wireless transmission power determined at least on the basis of the response signal by using the wireless power transfer circuit; and transfer the power signal to the external electronic device through the coil. In addition, various embodiments are possible. | 2021-12-23 |
20210399591 | ELECTRONIC DEVICE AND METHOD FOR WIRELESSLY TRANSMITTING OR RECEIVING POWER - An electronic device according to various embodiments may be configured to cause a control circuit to: control a first switch, a second switch, or a combination of the first switch and the second switch, in order to electrically connect a ground terminal to a first capacitor, a second capacitor, or a combination of the first capacitor and the second capacitor, while the electronic device operates in a first mode for providing power to a first external electronic device; control the first switch and the second switch in order to electrically disconnect the first capacitor and the second capacitor from the ground terminal, and control the third switch in order to control a path of an electrical signal which passes through the fourth capacitor, while the electronic device operates in a second mode for acquiring power from a second external electronic device. | 2021-12-23 |
20210399592 | METHOD AND DEVICE FOR SUPPRESSING CHANGE OF WIRELESS POWER - A method for suppressing a change of wireless power includes a parameter setting step, a first power verifying step, a power adjusting step and a second power verifying step. The parameter setting step is performed to set a power parameter set. The first power verifying step is performed to verify whether a first power difference is greater than the power adjustment start difference to generate a first verification result. The power adjusting step is performed to drive a processing unit to adjust the power amplifying unit according to the adjustment parameter set. The second power verifying step is performed to verify whether a second power difference is smaller than or equal to the power adjustment stop difference to generate a second verification result. The processing unit determines whether the power adjusting step is performed according to one of the first verification result and the second verification result. | 2021-12-23 |
20210399593 | POWER TRANSMISSION APPARATUS, POWER RECEIVING APPARATUS, WIRELESS POWER TRANSMISSION SYSTEM, AND CONTROL METHODS THEREOF - A power transmission apparatus that transmits power wirelessly to a power receiving apparatus by using power supplied from a power supply apparatus includes a first authentication unit configured to execute device authentication with the power supply apparatus, a second authen-tication unit configured to execute device authentication with the power receiving apparatus, and a control unit that performs negotiation related to transmission power with the power receiving apparatus based on a result of the device authentication by the first authentication unit and a result of the device authentication by the second authentication unit. | 2021-12-23 |
20210399594 | LAMINATED CORE AND ELECTRIC MOTOR - A laminated core includes a plurality of electrical steel sheets stacked on each other, wherein, among the plurality of electrical steel sheets, both of the electrical steel sheets located on a first side in a stacking direction and the electrical steel sheets located on a second side in the stacking direction are fastened to each other but are not adhered to each other, and the electrical steel sheets located in a center in the stacking direction are adhered to each other but are not fastened to each other. | 2021-12-23 |
20210399595 | Electromagnetic Induction Device for Electric Power Generation - A magnetic induction device includes a cylindered shell, a stator assembly having a plurality stator units fixed axially and equal spaced inside the cylindered shell, each stator unit including a stator base and a plurality of coils azimuthally arranged within the stator base with equal radical angle distribution, and a rotor assembly having a plurality of rotor units, each rotor unit including a rotor base and a plurality of permanent magnets azimuthally arranged inside the rotor base with equal radical angle distribution, wherein the plurality of rotor units are connected by a rotation shaft for rotating coherently and each rotor unit is arranged in between neighboring stator units. | 2021-12-23 |
20210399596 | A STATOR AND A STATOR HOUSING FOR AN ELECTRIC MACHINE - A stator and a stator housing for an electric machine is disclosed. The stator housing comprises an opening to receive the stator in a direction extending along a longitudinal axis of the electric machine to enable the stator housing to be shrink-fitted to the stator. The shape of the opening in the stator housing lying in a cross-sectional plane perpendicular to the longitudinal axis comprises four quarter circle arcs, with at least two of the quarter circle arcs being separated by a non-zero distance, the stator having a corresponding shape to the stator housing. | 2021-12-23 |
20210399597 | ELECTRIC MOTOR - An electric motor includes a stator, and a rotor having a plurality of magnetic poles. Each magnetic pole includes a rotor core having through holes arranged circumferentially side by side, and a permanent magnet inserted into each through hole. A length of a portion of the rotor core in a radial direction of the rotor is shorter than a length of the permanent magnet in the radial direction of the rotor. The length of the portion of the rotor core is measured between an inner surface of each of the through holes adjacent to an outer periphery of the rotor and an outer peripheral surface of the rotor. The permanent magnets generate a magnetic flux in a magnetic circuit showing a smaller magnetic resistance in a portion of the rotor radially outward of the permanent magnets than in a portion of the rotor radially inward of the permanent magnets. | 2021-12-23 |
20210399598 | PERMANENT MAGNET ROTOR FOR ELECTRIC MOTOR AND CORRESPONDING AIR PULSING DEVICE - A permanent magnet rotor ( | 2021-12-23 |
20210399599 | METHOD OF ROTOR PRODUCTION INCLUDING CO-CURING AND MAGNETIZATION IN PLACE - Techniques described here provide a rotor and a method of making a rotor. In an embodiment, a method of making a rotor includes forming a magnet array by assembling a plurality of magnets into the magnet array, providing pre-preg adjacent to the magnet array, co-curing the magnet array with the pre-preg, and magnetizing the magnet array subsequent to the formation of the magnet array. | 2021-12-23 |
20210399600 | ROTATING ELECTRIC MACHINE - A rotating electric machine includes a rotor having a rotor core, a stator having a stator core and a stator coil, a first rotating shaft member having a first flange portion and a first shaft portion, a second rotating shaft member having a second flange portion and a second shaft portion, and a fastening device that fastens the first and second rotating shaft members, in a condition where the rotor core is sandwiched between the first and second flange portions, from opposite sides of the rotor core in an axial direction. | 2021-12-23 |
20210399601 | ROTATING MACHINE, OUTDOOR UNIT OF AIR CONDITIONING APPARATUS, AND AIR CONDITIONING APPARATUS - A rotating machine includes: an electric motor that includes a stator and a rotor that is rotatable relative to the stator; a rotary member to be rotated that is provided on the shaft; and a fastening member made of magnetic material and provided to fasten the rotary member to a shaft. The rotor includes: a rotor core made of magnetic material; a plurality of permanent magnets attached to the rotor core such that the permanent magnets are spaced from each other in a circumferential direction and magnetic poles of the permanent magnets that face an outer peripheral side of the rotor core in a radius direction of the rotor core have the same magnetic polarity; and the shaft. The shaft is made of magnetic material, provided to extend through a central part of the rotor core in an axial direction of the rotor core, and magnetized by part of magnetic fluxes generated from the permanent magnets. | 2021-12-23 |
20210399602 | STATOR ASSEMBLY OF HAIRPIN WINDING MOTOR - The present disclosure relates to a stator assembly of a hairpin winding motor. The stator assembly includes a stator core and hairpin coils. The hairpin coils include a first end including a pair of respective ends of first two hairpin coils arranged adjacent to each other in a radial direction, a second end including a pair of respective ends of second two hairpin coils arranged adjacent to each other outside the first end in the radial direction, and a third end including a pair of respective ends of third two hairpin coils arranged adjacent to each other outside the second end in the radial direction. Here, such first to third ends are repetitively arranged in plural along a circumferential direction, and a fixing cap fixes a preset number of ends among the plurality of first to third ends repetitively formed along the circumferential direction. | 2021-12-23 |
20210399603 | STATOR ASSEMBLY OF HAIRPIN WINDING MOTOR - A stator assembly of a hairpin winding motor capable of improving the performance of the winding motor and the insulation performance of a hairpin coil, including a stator core through which a plurality of slots pass in a circumferential direction; and a plurality of hairpin coils respectively fastened to and interconnected with the slots to form a coil winding. The hairpin coil includes a head portion bent in a U shape and exposed to the outside of the stator core, and a pair of leg portions configured to extend in parallel from both ends of the head portion to be inserted into a specific slot and the slot spaced apart from the specific slot by one pole pitch and of which end portions are exposed to the outside of the stator core. | 2021-12-23 |
20210399604 | ROTOR MOUNTING UNIT HAVING A COOLING FUNCTION - The disclosure relates to a rotor assembly ( | 2021-12-23 |
20210399605 | STATOR FOR DRIVE MOTOR - A stator for a drive motor includes: a segmented stator core including a plurality of mounting portions; a bobbin equipped on each mounting portion of the plurality of the mounting portions and having a coil wound thereon; a first casing and a second casing coupled to the bobbin, respectively, at opposite sides of the bobbin with respect to the segmented stator core, and configured to enclose the coil; a passage formed in one of the first casing or the second casing, and configured to allow fluid communication with the inside of the first casing and the second casing; and a terminal portion integrally formed in a remaining one of the first casing or the second casing and configured to allow connection of the coil. | 2021-12-23 |
20210399606 | Electric Motor and Method for Producing an Electric Motor - The invention relates to an electric motor comprising a stator (A) with an insulation, a rotor, and an electronics and/or terminal housing ( | 2021-12-23 |
20210399607 | ELECTRIC MOTOR STACK WITH INTEGRAL ONE-PIECE GEARBOX INPUT SHAFT - A motor assembly is described and includes a housing having a forward endplate and a rear endplate; a plurality of motors disposed within the housing; and a drive shaft driven by the plurality of motors and having a first end extending through the forward endplate of the housing and a second end extending through the rear endplate of the housing, wherein the first end of the drive shaft is configured to engage with a gearbox. | 2021-12-23 |
20210399608 | A DRIVE TRAIN - A drive train is provided comprising: a motor assembly, a gear box assembly ( | 2021-12-23 |
20210399609 | REMOVABLE DIFFERENTIAL FOR AN ACTIVE CORE ELECTRIC MOTOR - A gear assembly is provided that simplifies the integration of a differential assembly into the hollow rotor of an electric motor. The gear assembly utilizes a hollow cross member that includes a central portion and a plurality of hollow extension members onto which the gears are mounted. Within each of the hollow extension members is a pin. When the pins are withdrawn, the assembly fits unimpeded within the hollow rotor. When the pins are partially extended out of the corresponding extension members, the ends of the pins fit within apertures in the rotor. A plug fits within a centrally located thru-hole in the central portion of the hollow cross member, thereby locking the pins in the extended position and locking the gear assembly in place. | 2021-12-23 |
20210399610 | COMPOUND-PENDULUM UP-CONVERSION WAVE ENERGY HARVESTING APPARATUS - The invention provides a compound-pendulum up-conversion wave energy harvesting apparatus, comprising a shell floating on the water surface and swinging with fluctuation of waves, a compound-pendulum mechanism rotatably arranged in the shell and rotating with its swinging, a driving gear rotatably arranged in the shell and rotating synchronously with the compound-pendulum mechanism, an electromagnetic power generation mechanism arranged in the shell and configured to be meshed with the driving gear for transmission to generate electricity through electromagnetic induction, and a piezoelectric power generation mechanism arranged in the shell and configured to be deformed during its rotation to generate electricity through piezoelectric effect. When the shell swings un-directionally with fluctuation of the waves, the compound-pendulum mechanism makes un-directional rotation that adapts to the dynamic changes of water surface wave energy. The electromagnetic power generation mechanism and the piezoelectric power generation mechanism convert energy through two different electromechanical coupling transduction mechanisms. | 2021-12-23 |
20210399611 | Brushless Direct Current Motor End Cap - An end cap for a brushless motor that dissipates heat from a controller and switching elements of the motor through fins in the end cap. The end cap can be directly or thermally coupled to the controller and switching elements to dissipate heat out through the fins. | 2021-12-23 |
20210399612 | METHOD OF CALIBRATING A VARIABLE-SPEED BLOWER MOTOR - A method of calibrating a motor assembly includes selecting an electric motor and a motor controller for the motor assembly, obtaining at least one electric motor parameter of the electric motor, determining a correction factor for the electric motor based upon the at least one electric motor parameter, and programming the motor controller with the correction factor. | 2021-12-23 |
20210399613 | METHOD OF CALIBRATING A VARIABLE-SPEED BLOWER MOTOR - A method of calibrating a motor assembly includes selecting an electric motor and a motor controller for the motor assembly, obtaining at least one electric motor parameter of the electric motor, calculating a correction factor for the electric motor based upon the at least one electric motor parameter, and programming the motor controller with the correction factor. | 2021-12-23 |
20210399614 | EMERGENCY STOP - Emergency stop for a linear actuator system, which comprises a housing ( | 2021-12-23 |
20210399615 | ROTOR FOR AN ELECTRIC RING MACHINE, CORRESPONDING RING MACHINE AND METHOD FOR PRODUCING A ROTOR - The invention relates to an arrangement in the form of an electric ring machine in the implementation of a reluctance machine which is operated as a synchronous reluctance machine, in which recesses are formed at the outer side of the rotor sheets in the radial extension opposite to the inner barriers. These result in webs which hold and enclose the barriers and can thus be manufactured in a defined manner at both sides, even if the finished assembled rotor design is later finally mechanically reworked at the outer side. In addition to the rotor, the invention also relates to a corresponding electric ring machine and a method for producing such a rotor. | 2021-12-23 |
20210399616 | COIL INSERTION METHOD AND COIL INSERTION DEVICE - Provided is a coil insertion method and device that are capable of mechanically manufacturing, with good efficiency, a spirally wound stator core. This coil insertion method comprises: a winding step for winding U-phase, V-phase, and W-phase coils; a step for inserting coils into a transfer block, in which the U-phase, V-phase, and W-phase coils are inserted and held in a plurality of holding grooves of the transfer block so as to spirally overlap, the transfer block having a columnar shape overall, and the holding grooves being formed in radial fashion so as to open from an axial center part toward an outer periphery; and a step for inserting coils into a stator core, in which the transfer block is inserted into an inner periphery of the stator core, and a side part of the coils held in the holding grooves is pressed radially outward toward predetermined slots of the stator core and inserted from the inner peripheral side of the stator core into the slots. | 2021-12-23 |
20210399617 | ELECTROMAGNETIC DRIVE DEVICE AND OPERATION DEVICE - An electromagnetic drive device includes a permanent magnet attached to a surface of a first yoke facing a second yoke; and first and second excitation coils to generate magnetic flux when being energized. The second yoke includes a base, and a first protruding part protruding from the base toward the first yoke, between the first and second excitation coils. The permanent magnet includes a first region; and second and third regions positioned on respective sides of the first region. The first region is magnetized to be a first pole, and the second region and the third region are magnetized to be second poles. The first region is opposite to the first protruding part, a boundary between the first and second regions is opposite to the first excitation coil, and a boundary between the first and third regions is opposite to the second excitation coil. | 2021-12-23 |