03rd week of 2022 patent applcation highlights part 60 |
Patent application number | Title | Published |
20220021191 | ION GENERATION DEVICE, DISCHARGE SUBSTRATE, AND ELECTRONIC DEVICE - An ion generation device includes a discharge electrode substrate, an induction electrode substrate, and an insulating resin. The discharge electrode substrate on which a discharge electrode is mounted and a first electrode connected to the discharge electrode is formed. The induction electrode substrate on which an induction electrode configured to generate a discharge between the induction electrode and the discharge electrode and a second electrode connected to the induction electrode are formed. The insulating resin is filled at least between the discharge electrode and the induction electrode. The insulating resin provides insulation between the discharge electrode and the induction electrode. The first electrode and the second electrode are disposed and face each other at least partially. The first electrode, the second electrode, and the insulating resin interposed between the first electrode and the second electrode form a capacitor. | 2022-01-20 |
20220021192 | SMOOTH-CORNERED WELDED BOX - An electrical box comprising a perimeter wall having a plurality of sidewalls and a base wall. Each sidewall of the plurality of sidewalls can be generally orthogonal, and directly adjoined by a rounded touch-safe corner, to another sidewall of the plurality of sidewalls. Additionally, a first end of the perimeter wall can be mechanically interlocked to, and coplanar with, a second end of the perimeter wall so as to provide the perimeter wall with a generally seamless sleeve configuration. The base wall, which may be separate from the perimeter wall, or adjoined to the perimeter wall in a monolithic structure, can be adjoined to at least some portions of the perimeter wall. Further, the base wall and the perimeter wall can define an inner region of the electrical box. | 2022-01-20 |
20220021193 | GAS INSULATED BUS - A gas insulated bus includes: a first container including a first flange and forming a sealed space in which an insulating gas is enclosed; a second container including a second flange joined to the first flange and forming the sealed space together with the first container; a conductor housed in the sealed space; and an insulating support supporting the conductor in the sealed space. Part of the second flange is an inner flange including a mounting to which the insulating support is attached. The second container includes an extension portion in a portion in which the inner flange is provided, the extension portion extending toward a side opposite to a central axis of the conductor. | 2022-01-20 |
20220021194 | WIRE COVER - A wire cover | 2022-01-20 |
20220021195 | FAULT DETECTION AND CIRCUIT INTERRUPTER DEVICES AND SYSTEMS - Arc fault current interrupter electrical devices and systems. An example is an electrical device comprising: a contact configured for electrical connection to a power line; at least one sensor to detect at least voltage signals indicative of the power line; and a processor configured to determine from the detected voltage signals that a series arc fault has occurred. | 2022-01-20 |
20220021196 | OVER CURRENT SENSING SCHEME FOR SWITCH APPLICATIONS - Circuits and methods for protecting against over-current conditions of switches are described. Over-current conditions can damage switches and the circuits they connect. Some embodiments of the present application provide a sense switch in parallel with the load switch. The sense switch is smaller than the load switch, and is used to sense an over-current condition of the load switch. The sense switch can remain on even when the load switch is turned off in response to detection of an over-current condition. | 2022-01-20 |
20220021197 | DRIVING APPARATUS FOR RECLOSING APPARATUS AND DRIVING METHOD THEREOF - The present disclosure relates to a driving apparatus for a reclosing apparatus and a driving method thereof. The driving apparatus comprises a first energy storage unit, a timing unit, a control unit, and a first power supply unit, a second energy storage unit and a driving unit. The timing unit outputs a first enable signal; the control unit outputs a second enable signal or a third enable signal; the first power supply unit enables the second energy storage unit to receive the power when receiving the second enable signal, and enables the second energy storage unit to discharge when receiving the third enable signal; the second energy storage unit receives and stores the power via the first power supply unit; and the driving unit provides the power stored in the first energy storage unit to the reclosing apparatus when a predetermined condition is satisfied. | 2022-01-20 |
20220021198 | OVERCURRENT DETECTION IN AN ELECTRONIC SWITCH - An electronic switch is composed of two anti-serially connected turn-off semiconductor switches having at least four terminals and at least three terminals, respectively. A method for detecting a turn-off current through the electronic switch for a DC voltage grid includes measuring a first voltage between an emitter terminal and an auxiliary emitter terminal at the first switch, measuring a second voltage between a collector terminal and an emitter terminal or between a drain terminal and a source terminal at the second switch, comparing the first and second measured voltage or a time integral of the first and second measured voltage with a reference value, and turning off at least one of the two turn-off semiconductor switches when the reference value is exceeded. An electronic switch for performing the method and a DC voltage grid with such an electronic switch are also disclosed. | 2022-01-20 |
20220021199 | MITIGATION OF MICROCONTROLLER RESTART FROM POST-FAILURE SHUTDOWN CONDITION - Improvements to a power input circuit of an electric motor drive system are provided. The power input circuit is provided between a power source (e.g., battery), and a load (e.g., an inverter and a motor in the electric motor drive system). The power input circuit can comprise controllable switches for reverse polarity protection and isolation of the inverter under supply short circuit condition. In addition, an improvement to a power input circuit can comprise connection of a power supply (e.g., voltage regulator) to the external power source input side of a reverse polarity protection circuit in the power input circuit to mitigate against microcontroller restart from post-failure shutdown condition. Connection of a low-power diode in series with the voltage regulator also provides for reverse polarity protection. | 2022-01-20 |
20220021200 | POWER SUPPLY DEVICE FOR MOTOR PROTECTOR AND POWER SUPPLYING METHOD THEREOF - The disclosure relates to a power supply device for a motor protector and a power supplying method thereof. The motor protector receives power. The power supply device comprises: a first power supplying unit, configured to receive and store the power and supply power to a tripping device of the motor protector; a second power supplying unit, configured to receive the power and supply power to a calculation and control device of the motor protector; a third power supplying unit, configured to receive and store the power and supply power to a reclosing device of the motor protector; and a control unit, configured to control an order in which the first power supplying unit, the second power supplying unit and the third power supplying unit receive the power. | 2022-01-20 |
20220021201 | SINGLE-PHASE RECLOSING METHOD, DEVICE AND STORAGE MEDIUM FOR AC/DC SYSTEM - The present disclosure is directed to a single-phase reclosing method, device and storage medium for AC/DC system. The method comprises: acquiring three-phase voltages at inverter-side AC bus close to the transformer, three-phase currents measured at the outlet of inverter-side AC line and three-phase voltages at inverter-side AC bus far from the transformer; calculating the energy calculation value and energy operation value of the fault line; identifying the fault nature of fault line within the maximum time delay, according to the energy calculation value and energy operation value of fault line and an energy criterion of transient/permanent fault; issuing a reclosing control signal based on the fault nature of fault line to realize effective reclosing of the fault line. | 2022-01-20 |
20220021202 | Self-adaptive Positive-sequence Current Quick-break Protection Method for Petal-shaped Power Distribution Network Trunk Line - The invention relates to a self-adaptive positive-sequence current quick-break protection method for a petal-shaped power distribution network trunk line. The method comprises the following steps: step 1, calculating a positive-sequence voltage phasor and a positive-sequence current amplitude at a protection installation position when a fault occurs, acquiring and storing a positive sequence impedance value of a protected line; judging a fault type, and judging a fault direction; step 2, when a fault direction element judges that a fault occurs in the forward direction, selecting a self-adaptive current quick-break protection setting formula according to the fault type, and when positive sequence current measured by protection is larger than a protection setting value, judging that the protected line has a short-circuit fault, and making a circuit breaker trip quickly. Compared with the prior art, the method provided by the invention has enough sensitivity and does not change along with the change of the line length and the system operation mode. | 2022-01-20 |
20220021203 | APPARATUS AND METHOD FOR DETERMINING TRANSFORMER STATE BASED ON CORRECTION OF DISSOLVED GAS DATA - A method for determining a transformer state on the basis of correction of dissolved gas data includes receiving, by a transformer state determination apparatus, dissolved gas data, determining, by the transformer state determination apparatus, a measurement error value which is a correction target in the dissolved gas data, correcting, by the transformer state determination apparatus, the measurement error value, and determining, by the transformer state determination apparatus, a transformer state on the basis of the dissolved gas data including the corrected measurement error value. | 2022-01-20 |
20220021204 | Surge Protection Circuit, Lightning Protector and Electronic Device - The present application provides a surge protection circuit, a lightning protector and an electronic device. The surge protection circuit includes a first protection module, the first protection module comprises a first protection sub-module and a second protection sub-module electrically connected to the first protection sub-module. The first protection sub-module is used for surge protection during a first surge input, the second protection sub-module is used for surge protection during a second surge input protection, and the second surge strength is higher than the strength of the first surge. The surge protection circuit, lightning protection and electronic equipment could provide different levels of surge protection for different levels of surge and could greatly enhance the sensitivity of lightning protection. | 2022-01-20 |
20220021205 | ELECTROSTATIC DISCHARGE CLAMP STRUCTURES - A circuit structure includes: a network of clamps; sense elements in series with the clamps and configured to sense a turn-on of at least one clamp of the network of clamps; and feedback elements connected to the clamps to facilitate triggering of remaining clamps of the network of clamps. | 2022-01-20 |
20220021206 | OUTPUT CONTROL AND COMPENSATION FOR AC COUPLED SYSTEMS - A power output control and compensation (PCC) circuit operates within a distributed energy resource (DER) system. The PCC circuit is located in a battery power conversion system (PCS) and includes an input terminal to connect with a power source and an output terminal to connect with an electrical panel or load. A current sensing device is coupled between the input and the output terminals to measure a power level of the power source. A relay is coupled between the current sensing device and the output terminal and a processor selectively connects power from the power source to the electrical panel or the load based on the measured power level or based on other power measurements within the DER system. PCS-control of multiple power sources decreases cycle times for controlling distributed energy resources. | 2022-01-20 |
20220021207 | Method and System for AC Line Distance Protection in AC/DC Hybrid Power Grid, and Storage Medium - The disclosure relates to a method and system for AC line distance protection in AC/DC hybrid power grid, and storage medium. The method comprises: collecting the operation parameters of inverter-side converter, AC parameters, converter bus voltage, current at distance protection installation and operation parameters of the smoothing reactor of inverter station; determining the conduction state of the inverter-side converter according to the operation parameters of the inverter-side converter; determining the current fed into the AC system from the DC system corresponding to the conduction state according to the operation parameters of the inverter-side converter, the operation parameters of the smoothing reactor of the inverter station and the converter bus voltage; determining the virtual fault location and virtual transition resistance according to fault types and AC parameters; controlling the corresponding protection device to perform the protection action according to the virtual fault location and virtual transition resistance. | 2022-01-20 |
20220021208 | PHASOR IDENTIFICATION VIA SYNCHRONOUS MESSAGING - A node in a power distribution system is described. The node includes an electrical connection to a single-phase power signal from an AC mains power source, a wireless communication interface configured to receive a first phase synchronization message, and a controller. The controller is configured to determine whether the first phase synchronization message is acceptable and detect a zero-crossing event on the single phase power signal subsequent to the receipt of the first phase synchronization message in response to determining that the first phase synchronization message is acceptable. The controller is further configured to calculate a time difference between the receipt of the first phase synchronization signal and the detected zero-crossing event, determine a local phase angle based on the time difference, and establish an identity of the single phase power signal based on the local phase angle. | 2022-01-20 |
20220021209 | SUPPORTING ELECTRICAL UTILITY PERFORMANCE WITH DISPATCHABLE DISTRIBUTED ENERGY RESOURCES - Distributed energy resources are validated by dispatching a distributed energy resources individually in known ambient conditions and monitoring the particular effect of dispatch to then establish a database of performance for multiple different distributed energy resources. The distributed energy resources can be permanently monitored to further build up this database and to verify that the distributed energy resource 1 s performing consistent with its validation or other expected performance. Distributed energy resources of a slow responding variety and a fast responding variety can be paired together and dispatched together, so that the paired fast responding and slow responding distributed energy resources mimic a large fast responding distributed energy resource. The benefits of a high capacity fast responding distributed energy resource is thus provided, such as for the load shedding and grid support benefits thereof. | 2022-01-20 |
20220021210 | ELECTRIFICATION ARRANGEMENT FOR SUPPLYING POWER TO ELECTRICAL LOADS - An electrification arrangement is provided for simplifying changes to the system, such as adding new electrical loads. The arrangement includes a power supply bus that routes available electric power throughout a facility. Electrical loads may be connected to the power supply bus using smart connectors that provide electrical protection and control of respective electrical loads. | 2022-01-20 |
20220021211 | METHOD, SYSTEM AND STORAGE MEDIUM FOR SUPPRESSING SUB/SUPER-SYNCHRONOUS OSCILLATION FOR DIRECT-DRIVE WIND TURBINE BASED ON ENERGY COMPENSATION - The disclosure relates to a method, system and storage medium for suppressing sub/super-synchronous oscillation for direct-drive wind turbine based on energy compensation. The method comprises: real-time collecting the bus voltage and the node injection current, obtaining the transient energy of direct-drive wind turbine; collecting the dynamic angle of PLL when the variation rate of the transient energy is positive, calculating the compensation energy and the increments of fundamental-frequency voltage of several supplementary energy branches based on the bus voltage and the node injection current and the dynamic angle of PLL; with the compensation energy of supplementary branches reaching the maximum and the increment of fundamental-frequency voltage being the minimum as the objective, and with the frequency-domain characteristic and fundamental-frequency voltage characteristic of control links being satisfied as the constraints, determining the compensation coefficients of supplementary energy branches, and then enabling the supplementary energy branches. | 2022-01-20 |
20220021212 | DEMAND RESPONSE IMPLEMENTED IN AN INFRASTRUCTURE HAVING A DC LINK - A system for regulating electrical energy transfer over a pathway including a DC link ( | 2022-01-20 |
20220021213 | Method and system for evaluating stability of HVDC receiving end system, and storage medium - The disclosure relates to a method and system for evaluating the stability of HVDC receiving end system and storage medium, which relates to the technical field of high voltage direct current transmission. The method includes: collecting voltage at a generator port, current at the generator port and rotational speed of the generator after eliminating fault; determining a corresponding relationship between the generator dynamic energy and the time according to the voltage at the generator port, the current at the generator port and the rotational speed of the generator; determining the attenuation intensity of the generator dynamic energy according to the corresponding relationship between the generator dynamic energy and the time; determining stability of the HVDC receiving end system according to the attenuation intensity of the generator dynamic energy. | 2022-01-20 |
20220021214 | COMMUTATION FAILURE PREDICTION METHOD, DEVICE AND STORAGE MEDIUM BASED ON ENERGY ACCUMULATION FEATURES OF INVERTER - The disclosure discloses a commutation failure prediction method, device and storage medium based on energy accumulation features of inverter. The method includes the following steps: collecting instantaneous values of three-phase valve side current and calculating the derivatives of the three-phase valve side current according to the instantaneous values of three-phase valve side current; the derivative includes positive, negative and zero states; according to the derivatives of the three-phase valve side current, determining the locations of incoming valve and ongoing valve; based on the valve side current of the incoming valve and ongoing valve, calculating energy accumulation features of the 12-pulse inverter; predicting whether the commutation failure from the incoming valve to the ongoing valve will happen according to the states of the derivatives of the three-phase valve side current and the energy accumulation features of the 12-pulse inverter. | 2022-01-20 |
20220021215 | POWER TRANSMISSION METHOD AND SYSTEM - A power transmission method comprises receiving direct current (DC) input from a generating station; boosting the voltage of the DC input to a higher transmission voltage; and transmitting the boosted DC over a medium voltage (MV) or high voltage (HV) DC transmission line to a destined load. | 2022-01-20 |
20220021216 | SYSTEM AND METHOD FOR POWERING A DEVICE - A system for powering a device is disclosed. The system includes at least one internal battery located in a device, at least one external battery connected to the device, and a master controller configured to connect either the at least one internal battery or the at least one external battery to a power bus to power the device. | 2022-01-20 |
20220021217 | PHOTOVOLTAIC POWER PLANT ENERGY HARVEST OPTIMIZATION - CAPACITY FACTOR, DELTA-P LOSS AND RAMP RATE COMPENSATION - A method of controlling a renewable energy power plant is provided. The method includes retrieving output power measurement values for each inverter of a total number of inverters from a plurality of sensors provided at a location proximal to each inverter and retrieving a point of interconnection (POI) output measurement value for the renewable energy power plant based on a plurality of ON inverters of the total number of inverters. The method also includes calculating a POI measured setpoint for the renewable energy power plant based on a difference between a power reference value for the renewable energy power plant and the retrieved POI output measurement value for the renewable energy power plant, assigning a setpoint to each of the ON inverters and classifying each ON inverter as either a TRACKING ON inverter or a NON-TRACKING ON inverter based on whether each ON inverter is tracking at the setpoint. | 2022-01-20 |
20220021218 | AN OPTIMIZER FOR SOLAR STRING POWER GENERATION SYSTEMS AND A METHOD THEREOF - The present invention relates to an optimizer, for a solar string power generation system, comprising an Injection Circuit (IC), connected to at least one string, from an array of strings of solar panels, wherein the output of said IC is connected to the DC bus of the solar inverter. The IC comprises: (i) an MPPT mechanism, for finding the MPP of the connected string; (ii) a DC/DC converter, for converting part of the power of said connected string; wherein the DC/DC converter, converts only a part of the power of the string, that is connected to the IC, when the string is impaired, for compensating for the relative voltage difference between the voltage MPP, of the impaired string, and the MPP voltage of the DC bus of the solar inverter and the array of strings. | 2022-01-20 |
20220021219 | Device and Method for Controlling Energy Flows Between Components of an Energy System - Various embodiments of the teachings herein include a device for controlling energy flows between components of an energy system with an energy accumulator comprising a controller for adjusting the energy flows. The controller computes the energy flows beforehand for a time domain using an optimization method, the time domain having a beginning and an end. A charge level of the energy accumulator at the end of the time domain is essentially equal to a charge level of the energy accumulator at the beginning of the time domain. | 2022-01-20 |
20220021220 | BATTERY UTILIZATION SYSTEM, STORING DEVICE, BATTERY UTILIZATION METHOD, PROGRAM, AND STORAGE MEDIUM - A battery utilization system includes a battery removably mounted on an electric power device using electric power and including a memory in which information is stored and a storing device configured to store the battery. The storing device includes an acquirer configured to acquire update information including control information for controlling the battery and a controller configured to cause the memory of the stored battery to store the update information acquired by the acquirer. | 2022-01-20 |
20220021221 | SYSTEM AND METHOD FOR DYNAMIC BALANCING POWER IN A BATTERY PACK - One example provides a system for dynamically balancing power in a battery pack during charging and discharging. The system includes a battery pack, a control unit, and a load unit. The battery pack includes one or more modules. Each module includes one or more bricks. Each brick includes one or more blocks connected either in a series configuration or in a parallel configuration. Each block includes one or more cells. The control unit is connected with the battery pack across each of the blocks for processing power from each of the blocks irrespective of a power mismatch between the blocks. The control unit dynamically balances the power in the battery pack by controlling a differential current from a block with higher state of charge (SOC) to a block of lower SOC, using one or more converters and thereby maximizing available energy of the battery pack during charging and discharging. | 2022-01-20 |
20220021222 | SYSTEM AND METHOD FOR TRACKING AND ARCHIVING BATTERY PERFORMANCE DATA - An intelligent rechargeable battery pack having a battery management system for monitoring and controlling the charging and discharging of the battery pack is described. The battery management system includes a memory for storing data related to the operation of the battery, and the battery management system is also configured to communicate the data related to the operation of the battery to other processors for analysis. | 2022-01-20 |
20220021223 | DYNAMIC POWER SUPPLY SYSTEM - A power supply system includes a set of power supply units, each power supply unit arranged electrically in series and defining a common power supply, each power supply unit having a power module and a selective bypass for selectively bypassing the respective power module. The power supply system can meet a power demand. | 2022-01-20 |
20220021224 | BATTERY MANAGEMENT DEVICE AND METHOD THEREOF - A battery management device is provided in the invention. The battery management device includes a discharge circuit, a control circuit, and a switch circuit. The discharge circuit includes a plurality of discharge MOSFETs. The control circuit is coupled to the discharge circuit and when an abnormal discharge occurs, it generates a disable signal. The switch circuit is coupled between the discharge circuit and the control circuit and receives the disable signal from the control circuit. The switch circuit includes a switch MOSFET and the switch MOSFET is coupled to the plurality of discharge MOSFETs. When the switch circuit receives the disable signal, the switch MOSFET is enabled to disable the discharge circuit. | 2022-01-20 |
20220021225 | METHOD FOR OPERATING AN ELECTRONIC CIRCUIT ARRANGEMENT FOR ELECTRICAL CURRENT LIMITING IN A POTENTIALLY EXPLOSIVE AREA - A method for operating an electronic circuit arrangement is provided for electrical current limiting in a potentially explosive area, which comprises at least one electrical consumer which is supplied with electrical energy via an electrical supply line from an electrical voltage source, typically from a rechargeable battery which provides an electrical supply voltage, according to which at least one of at least two semiconductor switches present in the electrical supply line is switched into an open state so that the electrical supply line is interrupted when the total electrical voltage present at the semiconductor switches exceeds a predefined voltage threshold value, and according to which the at least one semiconductor switch is switched from the open into the closed state again when an external electrical voltage is applied to the electrical consumer. | 2022-01-20 |
20220021226 | BATTERY AND BATTERY CHARGER - A battery and a corresponding battery charger, wherein the battery charger can identify a type of the connected battery to ensure that an appropriate charging current is supplied. | 2022-01-20 |
20220021227 | WIRELESS CHARGING HOLSTER FOR PORTABLE ELECTRONIC DEVICE - Wireless charging holsters for portable electronic devices (PEDs) are disclosed. A wireless charging holster may include a wireless charger and a holster frame. The holster frame may include a receptacle to integrate the wireless charger within the frame. The wireless charging holster may accept a PED in the proper positioning relative to the wireless charger to charge a battery of the PED without physically obstructing a space between a surface of the wireless charger and the PED. | 2022-01-20 |
20220021228 | SPHERICAL MAGNETIC CHARGING CABLE - The invention discloses a spherical magnetic charging cable and its assembling process, including a wire, a net tail, a contact spring pin, and a metal butt joint. A first shell is nested on the outer end of the wire, and the net tail is arranged through the inside of the first shell, and the net tail is connected with the wire. A light-emitting PCB is nested inside the net tail, and the light-emitting PCB is connected to the end of the wire. A magnet is arranged at the outer end of the net tail, and a contact spring pin is nested at the middle end of the magnet. A plurality of spring plates are fixedly connected to the outside of the PCB sheet, and these spring plates are connected to the light-emitting PCB, and the spring plates and the outer sides of the PCB sheet are nested with an encapsulation. | 2022-01-20 |
20220021229 | Portable charging case - A portable charging case, including an unlocking assembly and a push rod, user can push the unlocking assembly in the direction towards the storage space after the portable lighting device is fully charged. The push rod then pushes the magnetic charging device away from the portable lighting device so that the magnetic charging device disconnects from the portable lighting device. Users can take the portable lighting device out from the charging case more quickly and easily, thereby enhancing user experience for using the charging case. | 2022-01-20 |
20220021230 | BATTERY SECONDARY PROTECTION CIRCUIT AND OPERATION METHOD THEREOF - A battery secondary protection circuit includes a first pin, a second pin, a first sensing circuit, a first current source, a first enabling circuit and a first protection circuit. The first pin and the second pin are coupled to two terminals of a first battery. The first sensing circuit, coupled between the first pin and second pin, provides a first sensing signal and a second sensing signal. The first current source, coupled between the first pin and second pin, provides a first current. The first enabling circuit, coupled to the first sensing circuit and first current source, generates a first enabling signal according to the first sensing signal. The first protection circuit is coupled to the first sensing circuit. When the first enabling signal enables the first current source, the first protection circuit generates a first protection signal according to a second sensing signal changed with the first current. | 2022-01-20 |
20220021231 | CONTROL UNIT, BATTERY PACK, AND POWER SUPPLY DEVICE - A battery indicator estimates a remaining battery capacity when a controller instructs a driving power source to start the power supply based on a battery voltage detected at a timing when the controller instructs the driving power source to start the power supply. The controller instructs the driving power source to stop the power supply after the discharge of a secondary battery by a charge-discharge circuit is ended and at a timing when a battery voltage being measured by a voltage measurer is stabilized. | 2022-01-20 |
20220021232 | CHARGING METHOD AND APPARATUS, CHARGING DEVICE, AND CHARGING SYSTEM - Embodiments of the present invention relate to the field of charging technologies, and particularly to a charging method and apparatus, a charging device, and a charging system. The charging method is configured for charging a battery. The method includes: acquiring a number of charging cycles and a charging temperature of the battery; determining a target charging parameter according to the number of charging cycles and the charging temperature; and charging the battery according to the target charging parameter. By means of the method, the embodiments of the present invention can determine in real time a target charging parameter for charging a battery according to different aging degrees and temperature states of the battery, thereby improving the safety of charging. | 2022-01-20 |
20220021233 | IN-VEHICLE BACKUP POWER SOURCE CONTROL APPARATUS AND IN-VEHICLE BACKUP POWER SOURCE APPARATUS - A configuration that can increase the reliability of a backup operation is realized in a simpler manner. An in-vehicle backup power source control apparatus includes a first control unit that causes a charge/discharge unit (first discharge unit) to perform a first discharge operation when power supply that is based on a power source unit enters a failure state, and a second control unit that causes a second discharge unit to perform a second discharge operation when power supply that is based on the power source unit enters a failure state and at least the first discharge operation performed by the charge/discharge unit is in an abnormal state. | 2022-01-20 |
20220021234 | SMART SWITCHING PANEL FOR SECONDARY POWER SUPPLY - A smart switching panel for selectively connecting either a primary power supply or a secondary power supply to a plurality of electric loads. The switching panel includes a plurality of switching elements each connected to both the primary and secondary power supplies. A controller of the switching panel operates to cause the switching element to transition between a first position in which the primary power supply is connected to the electric load, a second position in which the secondary power supply is connected to the electric load and an open condition. A current sensor is positioned to monitor the amount of current drawn by the electric load and is connected to the controller such that the controller can monitor the amount of current drawn by each of the electric loads. The controller can transition each of the switching elements to the open condition when the current draw exceeds a current threshold. | 2022-01-20 |
20220021235 | DEVICE FOR EXPANDING A STANDARD LUMINAIRE WITH NO BATTERIES FOR USE AS EMERGENCY LIGHTING - An emergency light system connected to a battery unit comprises a LED driver to be powered by a switched power source, a light fixture to provide light when powered, and a link driver. The link driver comprises driver connectors powered by the LED driver, battery connectors powered by the battery unit, powering connectors connected to the light fixture, and an internal transfer device adapted to switch power source powering the power connectors from the driver connectors to the battery connectors upon detection of a power outage. Also described is the link driver to retrofit a light fixture connected to a battery unit into an emergency light system. | 2022-01-20 |
20220021236 | SINGLE PHASE FAULT ISOLATION AND RESTORATION WITH LOAD ESTIMATION - A processor receives an indication of a fault from a first isolation device. The processor sends a first open command to a downstream isolation device downstream of the fault, identifies a tie-in isolation device, and identifies a line section without current monitoring positioned between the tie-in isolation device and the downstream isolation device. The line section has a plurality of line segments, each having a load rating. The processor receives incoming and exiting current measurements for the line section and estimates a first current load for each of the line segments in the line section based on the incoming and exiting current measurements and the load ratings. The processor selects an intermediate isolation device between the tie-in isolation device and the downstream isolation device based on the first current loads, sends a second open command to the intermediate isolation device, and sends a close command to the tie-in isolation device. | 2022-01-20 |
20220021237 | SINGLE PHASE FAULT ISOLATION AND RESTORATION WITH LOOP AVOIDANCE - Techniques for controlling a power distribution network are provided. An electronic processor receives, a fault indication associated with a fault from a first isolation device of a plurality of isolation devices. The processor identifies a first subset of a plurality of phases associated with the fault indication and a second subset of the plurality of phases not associated with the fault indication. The processor identifies a downstream isolation device downstream of the fault. The processor sends send a first open command to the downstream isolation device for each phase in the first subset. The processor sends a close command to a tie-in isolation device for each of the plurality of phases. The processor sends a second open command to the downstream isolation device for each phase in the second subset. Responsive to identifying a potential loop configuration, the processor sends the second open command prior to the close command. | 2022-01-20 |
20220021238 | Single phase fault isolation and restoration with loop avoidance for multiple tie-in devices - A method for controlling a power distribution network includes receiving, via an electronic processor, a fault indication associated with a fault from a first isolation device of a plurality of isolation devices. The processor identifies a first subset of a plurality of phases associated with the fault indication and a second subset not associated with the fault indication. The processor sends a first open command to each member of a set of downstream isolation devices for each phase in the first subset. The processor identifies a plurality of tie-in isolation devices to be closed to restore power. Responsive to identifying a first potential loop configuration, for each of the plurality of tie-in devices, the processor sends a close command to the tie-in isolation device for each of the plurality of phases and sends a second open command to the associated downstream isolation device for each phase in the second subset. | 2022-01-20 |
20220021239 | ELECTRIC CHARGING PARTICLE HEATER FOR THERMAL ENERGY STORAGE - The disclosure relates to particle heaters for heating solid particles to store electrical energy as thermal energy. Thermal energy storage directly converts off-peak electricity into heat for thermal energy storage, which may be converted back to electricity, for example during peak-hour power generation. The particle heater is an integral part of an electro-thermal energy storage system, as it enables the conversion of electrical energy into thermal energy. As described herein, particle heater designs are described that provide efficient heating of solid particles in an efficient and compact configuration to achieve high energy density and low cost. | 2022-01-20 |
20220021240 | INTERNET-OF-THINGS WIRELESS POWER TRANSFER SENSOR - An IoT wireless power transfer sensor is provided, which includes a sensor circuit, a group of retrodirective searching antennas, a group of energy harvesting antennas and a communication antenna. The sensor circuit includes a switching unit, an energy converting unit, a power management unit and an energy converting and storage unit. The searching antennas are connected to the switching unit. When the switching unit is on, the searching antennas don't harvest the energy of an external device's scanning signal; they reflect the incident energy to the external device. The energy harvesting antenna is connected to the energy converting unit and receives the incident energy to charge the energy converting and storage unit. When the power storage level of the energy converting and storage unit reaches a first threshold value, the switching unit is consecutively switched between on and off to transmit a device information in back-scattered way to the external device. | 2022-01-20 |
20220021241 | LDO FREE WIRELESS POWER RECEIVER HAVING RECTIFIER - Disclosed herein is a bridge rectifier and associated control circuitry collectively forming a “regtifier”, capable of both rectifying an input time varying voltage as well as regulating the rectified output voltage produced. To accomplish this, the gate voltages of transistors of the bridge rectifier that are on during a given phase may be modulated via analog control (to increase the on-resistance of those transistors) or via pulse width modulation (to turn off those transistors prior to the end of the phase). Alternatively or additionally, the transistors of the bridge rectifier that would otherwise be off during a given phase may be turned on to help dissipate excess power and thereby regulate the output voltage. A traditional voltage regulator, such as a low-dropout amplifier, is not used in this design. | 2022-01-20 |
20220021242 | REVERSE WIRELESS CHARGING - A method and system for operating a power circuit capable of transmitting and receiving wireless power. The method includes determining that the power circuit is operating in receive mode, and, based thereon, having a first equivalent capacitance. The method further includes determining that the power circuit is operating in the transmit mode, and, based thereon, having a second equivalent capacitance. The first equivalent capacitance being different than the second equivalent capacitance. | 2022-01-20 |
20220021243 | SEGMENTED WIRELESS POWER TRANSFER - A device for wireless power transfer includes a segmented coil comprising a plurality of coil segments, each adjacent pair of coil segments of the plurality of coil segments being separated from one another by a respective passive element, and a plurality of constituent converters coupled to the segmented coil, each constituent converter of the plurality of constituent converters being coupled to a respective coil segment of the plurality of coil segments to drive the respective coil segment. | 2022-01-20 |
20220021244 | NEAR-FIELD COMMUNICATION DEVICE, ELECTRONIC DEVICE FOR PROVIDING A SUBSTANCE, METHOD FOR OPERATING A NEAR-FIELD COMMUNICATION DEVICE AND METHOD FOR PROVIDING A SUBSTANCE - A near-field communication device having one or more processors configured to control the near-field communication device, an energy supplier having an energy supply circuit and a supply antenna configured to provide energy to a second antenna circuit arranged externally to the near-field communication device, wherein the supply antenna of the energy supplier is galvanically coupled to the energy supply circuit, and a first antenna circuit having a first communication circuit and a first antenna, wherein the first communication circuit is configured for communication with a second communication circuit of the second antenna circuit by means of an inductive coupling by means of the first antenna of the first antenna circuit. | 2022-01-20 |
20220021245 | WIRELESS CHARGING POWER SUPPLY SYSTEM AND PICK-UP SYSTEM DURING RUNNING OF ELECTRIC VEHICLES AND INDUSTRIAL EQUIPMENT - A wireless charging power supply and pick-up system during operation of electric vehicles and industrial equipment while operating is described. The withstand voltage problem on the power supply line was solved by the capacitor provided in the inverter, and the power supply line and common line arrangement. This makes it possible to extend the wireless power supply line and the economical problem of the wireless charging system is greatly improved. In the prior art, compatibility was maintained with various wireless charging pick-up pads installed in the vehicle by using a plurality of inverters. In this system, compatibility is satisfied at a lower cost by utilizing the relay present in the inverter. The EMI of the power supply line is reduced by maximizing the magnetic field cancellation effect by using the structure of the common line and the shielding tube. In addition, it improves the limitation of the length of the power supply line section and the problem of the dead zone during wireless charging while driving. | 2022-01-20 |
20220021246 | SHIELDING FILM, COIL ASSEMBLY, AND WIRELESS CHARGING DEVICE - A shielding film includes a first film layer. The first film layer includes a first conductive part and a first insulating part, and the first insulating part penetrates the first conductive part in a thickness direction of the first film layer. Under electromagnetic influence of a first electromagnetic field, a first eddy current is formed in the first film layer, and a loop of the first eddy current is located in the first conductive part, so that the first eddy current has relatively high current intensity. Under electromagnetic influence of a second electromagnetic field, a second eddy current is formed in the first film layer, and a loop of the second eddy current passes through the first insulating part, so that current intensity of the second eddy current can be reduced. | 2022-01-20 |
20220021247 | MAGNET WITH MULTIPLE OPPOSING POLES ON A SURFACE FOR USE WITH MAGNETICALLY SENSITIVE COMPONENTS - A system for inductive charging is provided. In accordance with an embodiment, the system comprises a magnetic structure having at least one piece, with each of the pieces being magnetized in a direction perpendicular to the surfaces of the magnetic structure. Each surface of each piece includes at least two magnetic poles of opposite polarity. The magnetic structure aligns the inductive charging receiver coil of the electronic device with a charger coil in the inductive charger. | 2022-01-20 |
20220021248 | NON-ORIENTED ELECTRICAL STEEL SHEET, SEGMENTED STATOR, AND ROTATING ELECTRICAL MACHINE - A non-oriented electrical steel sheet has a chemical composition containing, in terms of % by mass, C: 0.0015% or less and Si: 2.5 to 4.0% and having an average crystal grain size of 10 to 40 μm, and an internal oxidation layer having a thickness of 0.5 to 3.0 μm present in a sheet thickness direction of a surface thereof. | 2022-01-20 |
20220021249 | ROTATING ELECTRIC MACHINE - Electrical conductor sections, which are mounted to a base member, have respective field-system-side peripheral surfaces thereof covered with a resin. The resin covering the field-system-side peripheral surfaces of the electrical conductor sections has two skin layers formed respectively on the surface side and the electrical-conductor-section side in the resin and a core layer formed between the two skin layers. The sum of radial thicknesses of the two skin layers is greater than a radial thickness of the core layer on a radial cross section of an armature. Alternatively, the entire resin covering the field-system-side peripheral surfaces of the electrical conductor sections is formed of a skin layer. | 2022-01-20 |
20220021250 | VARIABLE RELUCTANCE STEP MOTOR HAVING ENHANCED HOLDING TORQUE - A variable reluctance stepper motor comprises a stator and a rotor that is rotatable relative to the stator. The stator comprises an annular outer yoke with a set of circumferentially spaced stator poles at equal angular intervals around the yoke extending radially inward from first portions of the yoke toward the rotor. Phase windings are individually coiled around each of the respective stator poles. Multiple slots are formed in an outer perimeter edge of the yoke at second portions thereof circumferentially situated between the first portions. A permanent magnet is embedded within each slot with circumferentially directed magnetic orientation of the respective permanent magnets. The remote placement of the magnets ensure that detent torque is kept to a minimum, while also increasing holding and dynamic torque levels. | 2022-01-20 |
20220021251 | Magnetically Isolated Phase Interior Permanent Magnet Electrical Rotating Machine - A rotor for a machine has a plurality of rotor segments, each rotor segment forming at least one rotor pole and having a plurality of permanent magnets interior to the rotor and at least one saturatable bridge section for each permanent magnet in the rotor segment, each saturatable bridge section comprising a protrusion between air regions separating a north pole and a south pole of the permanent magnet to cause a portion of magnetic flux from the permanent magnet to traverse the saturatable bridge and cause a majority of the permanent magnet flux through an air gap of a rotor-stator interface between the rotor and a stator of the machine and through a stator pole. | 2022-01-20 |
20220021252 | STATOR ASSEMBLY AND ELECTRIC MOTOR - A stator assembly and an electric motor are provided. The stator assembly has an upper end cover, a stator core, an insulation frame, a fixing piece and a communicating piece. The stator core is located below the upper end cover. The insulation frame is arranged on the stator core. The fixing piece is arranged at a top of the insulation frame. One end of the communicating piece is sandwiched between the fixing piece and the upper end cover, and another end extends in a thickness direction of the upper end cover and is connected to the stator core. The fixing piece fixes the insulation frame, the communicating piece and the upper end cover. | 2022-01-20 |
20220021253 | ROTOR CONFIGURATION FOR SWITCHED RELUCTANCE MOTOR WITH MINIMIZED TORQUE RIPPLE - A hybrid switched reluctance motor is provided that reduces torque ripple. A novel rotor design includes flux barriers. The flux barriers are positioned and shaped to create implicit saliency and reluctance torque for the motor. A gradual change in the motor reluctance results which avoids rapid increases in flux density. The rotor also increases efficiency by reducing acoustical and vibrational responses and associated energy loses. | 2022-01-20 |
20220021254 | ELECTRICAL MACHINE ROTOR WITH ELIMINATED IRON BRIDGE - A rotor for an electric machine includes pairs of magnets with a bridge region therebetween. Lamination that comprise the rotor may define openings in the bridge region between the magnets of each of the pairs. A clip may be installed in the openings and a bonding material may fill the remainder of the bridge region. | 2022-01-20 |
20220021255 | MOTOR ROTOR - A motor rotor includes an inner sleeve, a cylindrical permanent magnet disposed around the inner sleeve, and a resin portion formed by charging a gap between the inner sleeve and the permanent magnet with a resin. The inner sleeve includes a small diameter portion. The small diameter portion is located to face an inner peripheral surface of an end portion of the permanent magnet in an axial direction. The small diameter portion is formed to have a diameter smaller than a diameter of a portion facing an inner peripheral surface of a center portion of the permanent magnet in the axial direction. | 2022-01-20 |
20220021256 | ROTOR OF AN ELECTRIC MACHINE | 2022-01-20 |
20220021257 | CORELESS MOTOR - A coreless motor includes a rotating shaft, a rotor plate attached to the rotating shaft, and a coil supported by the rotor plate. The coil includes a carbon nanotube electric wire, the carbon nanotube electric wire including a carbon nanotube wire and a coating layer, the carbon nanotube wire including a plurality of carbon nanotubes, the coating layer including an insulating layer that covers the carbon nanotube wire so as to insulate the carbon nanotube wire. | 2022-01-20 |
20220021258 | PUMP WITH DIRECT CONNECTION OF STATOR TO PRINTED CIRCUIT BOARD - A pump includes an electric motor with a rotor rotatably mounted about an axis of rotation and circumferentially surrounding a stator. The stator includes a stator core and coils wound on the stator core. The coils are made from a winding wire with winding wire end sections electrically contacted at an end surface with a printed circuit board. The winding wire end sections, starting from the stator, extend radially outwardly to the axis of rotation and are directly contacted with the printed circuit board via insulation displacement contacts. | 2022-01-20 |
20220021259 | INSULATION BODY FOR AN ELECTRIC MACHINE - An insulation body for an electrical machine may include a plurality of outer walls. The outer walls may be composed of a plastic. The outer walls may define a body interior having at least one winding zone configured to receive a stator winding, and at least one channel zone for receiving a cooling channel. | 2022-01-20 |
20220021260 | ELECTRIC MACHINE HAVING SEVERAL RIGID WINDING PIECES FORMED AS HOLLOW CONDUCTORS-HYDRAULIC CONNECTION CONCEPT II - The invention relates to an electric machine ( | 2022-01-20 |
20220021261 | ELECTRIC MACHINE HAVING MULTIPLE RIGID WINDING PIECES IN THE FORM OF HOLLOW CONDUCTORS - The invention relates to an electric machine ( | 2022-01-20 |
20220021262 | MOTOR COIL SUBSTRATE AND MOTOR - A motor coil substrate includes a flexible substrate, and coils formed on the flexible substrate. The flexible substrate is wound N times where N is 2 or larger, the coils are formed in a multiple of 3, the flexible substrate includes a first flexible substrate and a second flexible substrate extending from the first flexible substrate and wound around the first flexible substrate, the flexible substrate has a first end and a second end on an opposite side with respect to the first end such that the first flexible substrate has a first end of the flexible substrate, the second flexible substrate is positioned on an outer side of the first flexible substrate, and the coils are formed such that a coil or coils formed on the first flexible substrate partially overlap with a coil or coils formed on the second flexible substrate. | 2022-01-20 |
20220021263 | STATOR OF A ROTATING FIELD MACHINE - The invention relates to a stator active part for an electric motor, preferably a permanent-magnet-excited synchronous machine consisting of a hollow-cylindrical yoke, comprising an inner cladding and having a receptacle space, into which a coil support is inserted, wherein the coil support consists of a peripherally-closed, hollow-cylindrical tubular body extending in the axial direction (A) of the yoke, on the outer cladding of said body a plurality of coil holders being formed, wherein a finely-distributed coil is installed on each coil holder. | 2022-01-20 |
20220021264 | ELECTRIC MACHINE AND A STATOR WITH CONDUCTIVE BARS AND AN END FACE ASSEMBLY - An electric machine is described together with a stator. The electric machine comprises a stator, said stator comprising a cylindrical stator core having an end face; slots provided on the end face, each slot running through the stator core; a plurality of conductor bars disposed within the slots; and an end face assembly electrically connecting at least two of the conductor bars; a rotor having a plurality of magnetic pole pairs; and a controller electrically connected to said stator for regulating an excitation current supplied to or from the conductor bars, wherein the controller regulates an amplitude of the excitation current independently of a frequency of the excitation current. This arrangement simplifies stator construction and allows for optimisation of the electric machine. | 2022-01-20 |
20220021265 | MOTOR ACCOMMODATION STRUCTURAL BODY, AUTOMOBILE INCLUDING MOTOR ACCOMMODATION STRUCTURAL BODY, AND METHOD FOR MANUFACTURING MOTOR ACCOMMODATION STRUCTURAL BODY - Disclosed are a motor accommodation structural body, an automobile including the motor accommodation structural body, and a method for manufacturing the motor accommodation structural body. According to one aspect of the present disclosure, disclosed is a motor accommodation structural body for accommodating a motor for an automobile, the motor accommodation structural body including: a housing having an empty space formed therein; a guide unit which is provided on an outer surface of the housing, has a shape protruding outward, and extends along a longitudinal direction L of the housing; and a fixing bracket unit having a coupling portion which has one side coupled to the guide unit and the other side coupled to the automobile. | 2022-01-20 |
20220021266 | ELECTRIC MOTOR BEARING ASSEMBLY AND METHOD - An electric motor including a stator, a rotor that is at least partially received within the stator and that has a rotor shaft, and a bearing. The bearing has an inner race that is coupled to the rotor shaft, and an outer race. The motor also includes a bearing mount that has a pocket in which the outer race is at least partially received, and a clamp assembly that is configured to apply a clamping force to the inner race and to thereby rotationally unitize the inner race with the rotor shaft. An interface element positioned is between the outer race and the bearing mount. The interface element is configured to apply a frictional force to the outer race to prevent rotation of the outer race relative to the bearing mount in response to rotation of the rotor shaft. | 2022-01-20 |
20220021267 | ROTATING ELECTRIC MACHINE AND MANUFACTURING METHOD FOR ROTATING ELECTRIC MACHINE - A rotating electric machine includes a housing member including a cylindrical portion. First and second electrical components are arranged in the circumferential direction along the cylindrical portion in a radial direction of the cylindrical portion. A coolant passage between an inlet portion and an outlet portion is formed in the cylindrical portion. The housing member includes a partition wall portion partitioning a portion of the coolant passage from the inlet portion to a specific position between the inlet portion and the outlet portion in the circumferential direction as an upstream-side path. The partition wall portion is separated in the radial direction from a wall portion of the cylindrical portion. The first electrical component is arranged on an inner side in the radial direction relative to the upstream-side path, and the second electrical component is arranged on the inner side in the radial direction relative to a downstream-side path. | 2022-01-20 |
20220021268 | MOTOR DEVICE - The disclosure relates to a motor device including a bracket, a connection assembly, a sensor, a stator and a rotor. The bracket includes a first end, a second end, a communication aperture and a slot. The communication aperture passes through the first end and the second end. The slot is disposed at the first end. The connection assembly is disposed in the slot and includes a first connector and a second connector. The second connector is inserted into an accommodation opening of the first connector. The sensor is disposed at the first end and includes a first circuit board connected to the first connector through a first connection element. The stator is connected to the second end and includes a second circuit board connected to the second connector through the second connection element. An end portion of the rotor passes through the communication aperture and spatially corresponds to the sensor. | 2022-01-20 |
20220021269 | MOTOR ASSEMBLY AND CLEANER COMPRISING SAME - A cleaner according to the present disclosure comprises: a body; a suction head connected to one side of the body so as to suction foreign matter from a surface to be cleaned; and a motor assembly received in a motor case formed inside the body, so as to generate suction force, wherein: the motor assembly comprises a motor, an impeller disposed on one side of the motor and connected to the motor so as to introduce air, and a dustproof member coupled to the other side of the motor and having a plurality of support protrusions protruding from the outer circumferential surface thereof; and the coupling between the plurality of support protrusions and the motor case causes the motor assembly to be spaced apart from the motor case. | 2022-01-20 |
20220021270 | APPARATUS FOR POWER TRANSMISSION OF VEHICLE - The present disclosure in at least one embodiment provides an apparatus for power transmission of a vehicle, including a motor having a motor spline unit extending therefrom, and configured to generate power, a rotating body configured to receive the power and rotate, and a coupler having a toothed structure including grooves and having an exterior to be coupled to the motor spline unit and an interior to be coupled to the rotating body, wherein a width of the grooves formed at one end of the interior is larger than a width of the grooves formed at an opposite end of the interior, a width of the grooves formed at one end of the exterior is smaller than a width of the grooves formed at an opposite end of the exterior, and the coupler is coupled in a tension coupling with the rotating body and the motor. | 2022-01-20 |
20220021271 | GIMBAL MOTOR MECHANICAL LIMITING DEVICE AND GIMBAL THEREOF - The present application discloses a motor mechanical limiting device for limiting rotation of a motor. The device includes: a limiting ring, a first limiting device, and a second limiting device. The first limiting device is fixedly connected on a rotor of motor. The second limiting device is fixed on a motor stator. The limiting ring is in bearing connection with the rotor of motor. The limiting ring protrudes to form a stopping edge. Both the first limiting device and the second limiting device are located on a circumferential rotation path of the stopping edge, and the second limiting device is provided with a region for the first limiting device to pass through. | 2022-01-20 |
20220021272 | Electric Motor/Generator with Integrated Differential - An electrical machine comprising: at least one stator, at least one module, the at least one module comprising at least one electromagnetic coil and at least one switch, the at least one module being attached to the at least one stator; at least one rotor with a plurality of magnets attached to the at least one rotor, an integrated electrical differential coupled to at least one of the rotors, the at least one integrated electrical differential permitting the at least one rotor to output at least two rotational outputs to corresponding shafts, wherein the at least two rotational outputs are able to move the shafts at different rotational velocities to one another. The electrical machine is configured to fit into a housing, and that can be retrofitted into a conventional vehicle by replacing the mechanical differential. | 2022-01-20 |
20220021273 | HEATSINK CLAMP FOR MULTIPLE ELECTRONIC COMPONENTS - An electric motor assembly includes a stator, a rotor, a motor housing, a rotatable shaft, a radial fan, and an air scoop. The motor housing at least partly houses the stator and rotor and presents an exterior motor surface. The rotatable shaft is associated with the rotor for rotational movement therewith, with the rotatable shaft extending along a rotational axis. The radial fan is mounted on the rotatable shaft exteriorly of the motor housing and is rotatable with the shaft to direct airflow in a radially outward direction. The air scoop extends radially outwardly relative to the radial fan and axially to receive radial airflow from the radial fan and turn the airflow axially to flow along the exterior motor surface. The air scoop includes spaced apart axially extending airflow vanes to guide the airflow as the airflow is turned axially. | 2022-01-20 |
20220021274 | COOLING CHANNEL FOR A WINDING OVERHANG OF A STATOR, AND STATOR COMPRISING A COOLING CHANNEL OF THIS TYPE - The invention relates to a cooling channel for a winding head of an electric machine, where the cooling channel is formed to be annular for guiding a cooling fluid with at least one inflow and at least one outflow and for being arranged around the winding head. With the aim of an improved sealing property, the cooling channel comprises an axially movable pressing member which is arranged such that a cooling fluid can flow onto the pressing member and a pressing force against the cooling channel can be generated. | 2022-01-20 |
20220021275 | COOLING OF ELECTRICAL MACHINES - An electrical machine ( | 2022-01-20 |
20220021276 | COOLING OF ELECTRICAL MACHINES - An electrical machine comprising a rotor | 2022-01-20 |
20220021277 | ABNORMALITY DETECTION SYSTEM OF ROTARY ELECTRICAL MACHINE - In general, according to one embodiment, there is provided an abnormality detection system of a rotary electrical machine. The system includes a plurality of magnetic flux sensors disposed at intervals on a back of a stator core in a circumferential direction or an axial direction, and configured to detect a magnetic flux, and an abnormality detection apparatus configured to detect an abnormality of the stator core from a predetermined event that appears in a composite signal or a differential signal obtained from signals respectively output from at least two magnetic flux sensors of the plurality of magnetic flux sensors. | 2022-01-20 |
20220021278 | INTEGRATED ENCODER AND RESOLVER - The present disclosure provides position detector for an electric machine. The detector uses one or more proximity sensors, such as eddy current sensors, to detect features on the rotor of an electric machine. The detectable feature may be a spiral groove, which has a unique position at any given point around the circumference of the rotor. As the rotor is typically steel, the proximity sensors produce different output values depending on the degree to which they are aligned with the groove. As such, given that the groove has a unique position at any given location, the output of the proximity sensors is also unique for any given position. This enables the position of the rotor with respect to the sensors to be determined. | 2022-01-20 |
20220021279 | MOTOR THERMAL PROTECTION DEVICE AND OPERATION METHOD THEREOF - It is disclosed a motor thermal protection device and operation method thereof. The motor thermal protection device utilizes a power supply of a motor for power supplying and comprises: a capacitor timing circuit, configured to time after the motor is powered off; a power-off time determining unit, configured to perform a reading operation of reading an output voltage of the capacitor timing circuit after the motor is powered on, and determine a power-off time from when the motor is powered off to when the motor is powered on according to the output voltage; and a heat accumulation calculating unit, configured to calculate a remaining heat accumulation when the motor is powered on according to the power-off time and a heat accumulation when the motor is powered off. | 2022-01-20 |
20220021280 | MAGNETO-RESISTIVE SINUSOIDAL COMMUTATION - Efficient motor commutation has in the past been challenged by limitations of shaft positioning sensors and a microcontroller's complex algorithms employed to switch an inverter once the shaft's position is inferred. While counter intuitive, this invention purports to do away with the complexities of typical field-oriented control by transferring control back into the analog domain. A magneto-resistive sensor generates precisely the waveform which an inverter would typically generate but with fixed amplitude; therefore, this sensor's output is fed into a voltage-controlled amplifier (VCA) followed by a class-d amplifier then fed to the motor's phases. The effect is to reduce the motor commutation problem to an audio amplifier; a greatly simplified microcontroller can then be used to sample the motor's position and vary a voltage command line to the VCA to achieve speed control. | 2022-01-20 |
20220021281 | Series Wound Direct-current Motor Driving Device and Equipment - The invention provides a series wound DC motor driving device and electrical equipment. The series wound DC motor driving device provided by the invention comprises a series wound DC motor, a DC power supply and a chopper, wherein the chopper comprises m chopping units; control signals comprise m unit control signals formed according to preset phase stagger rules and corresponding to the m chopping units separately, and each unit control signal comprises w switch control signals corresponding to w switch control ends in the corresponding chopping units; m pairs of power output terminals are formed at m first power output ends and m second power output ends of the chopping units correspondingly, and m pairs of external terminals of the series wound DC motor are connected with m pairs of power output terminals correspondingly one by one; m is a positive integer not smaller than 2, and w is 1, 2 or 4. | 2022-01-20 |
20220021282 | Shunt Wound DC Motor Driving Device and Electrical Equipment - The present invention provides a shunt wound direct-current (DC) motor driving device and electrical equipment. The shunt wound DC motor driving device provided by the present invention includes a shunt wound DC motor, a DC power supply, and a chopper that converts a constant voltage into a variable voltage based on a control signal and provides the variable voltage for the shunt wound DC motor. The chopper is provided with m chopping units; the control signal includes m unit control signals that respectively correspond to the m chopping units and are formed according to a preset phase stagger rule; each of the unit control signals includes w switching control signals that correspond to w switching control ends in the corresponding chopping units; m first power output ends of all the chopping units and m second power output ends of all the chopping units respectively correspondingly form m pairs of power output terminals; and m pairs of external wiring terminals of the shunt wound DC motor are connected with the m pairs of power output terminals in a one-to-one correspondence manner, wherein m is a positive integer of being not less than 2; and w is 1, 2 or 4. | 2022-01-20 |
20220021283 | MOTOR DRIVE UNIT - A motor assembly for driving a pump or rotary device features a power plane with a circular geometry to be mounted inside a space envelope having a similar circular geometry formed on an end-plate between an inner hub portion and a peripheral portion that extends circumferentially around the space envelope of the end-plate. The power plane is a multi-layer circuit board or assembly having: a power layer with higher temperature power modules for providing power to a motor, a control layer with lower temperature control electronics modules for controlling the power provided to the motor, and a thermal barrier and printed circuit board layer between the power layer and the control layer that provides electrical connection paths between the power modules of the power plane and the control electronics modules of the control layer, and also provides insulation between the power layer and the control layer. | 2022-01-20 |
20220021284 | MOTOR DRIVE UNIT - A motor assembly for driving a pump or rotary device features a power plane with a circular geometry to be mounted inside a space envelope having a similar circular geometry formed on an end-plate between an inner hub portion and a peripheral portion that extends circumferentially around the space envelope of the end-plate. The power plane is a multi-layer circuit board or assembly having: a power layer with higher temperature power modules for providing power to a motor, a control layer with lower temperature control electronics modules for controlling the power provided to the motor, and a thermal barrier and printed circuit board layer between the power layer and the control layer that provides electrical connection paths between the power modules of the power plane and the control electronics modules of the control layer, and also provides insulation between the power layer and the control layer. | 2022-01-20 |
20220021285 | Rotor for an Electric Motor, Electric Motor, and Method for Producing a Rotor - A rotor for an electric motor includes a shaft having a central portion supporting a laminated core of an electrical sheet material. The central portion is also composed of an electrical sheet material. The ends of the rotor shaft may be formed from a different material than the material of the central portion, and may be connected to the central portion by a force-fitting interference fit and/or a knurled interference fit. An electric motor having such a rotor and a method for producing a such a rotor are provided. | 2022-01-20 |
20220021286 | Electric Potential Energy Generator - An electric potential energy (EPE) generator having a throughput shaft and an electrical energy generating rotor assembly. The EPE generator generates electrical energy through the electric potential energy stored within a mechanical system serving a primary mechanical purpose. The mechanical energy has a primary function for the system, while secondarily driving the EPE generator; mechanical energy is not lost in a direct amount to the production of electrical energy. The EPE generator has the capability to generate electrical energy at all states of the system, given that the mechanical rotation is provided; the EPE generator is not limited to operation dependent of mechanical energy transferring either in or out of the system. | 2022-01-20 |
20220021287 | ELECTRIC DRIVE UNIT - An electric drive unit includes a multi-phase AC motor including a plurality of first terminals, and a power converter including a plurality of second terminals. The power converter is fixed to an electric motor case so as to partially overlap the AC motor in an axial direction with a wall portion interposed therebetween. Each first terminal includes a first extended portion extending from the stator along the axial direction, and a first fastening portion. Each second terminal includes a second extended portion extending along an extending direction at a portion of the power converter that does not overlap the AC motor in the axial direction; and a second fastening portion. The electric motor case includes a communication hole formed in the wall portion, and a service hole formed in a portion located on an extension line of the fastener parallel to an insertion direction of the fastener. | 2022-01-20 |
20220021288 | ROTOR CORE OF STEP-SKEWING MOTOR AND PERMANENT MAGNET SYNCHRONOUS MOTOR - A rotor core is provided for a step-skewing motor that includes rotor core segments mutually staggered by a preset angle. Each of the rotor core segments includes magnet slots along a circumferential direction, with a magnet provided in the magnet slot. An outer circular surface of each of the rotor core segments is provided thereon with a number of auxiliary grooves extending across the segment in an axial direction, and positions and/or cross-sectional shapes of the auxiliary grooves on the rotor core segments are not completely same so as to suppress torque ripple and vibration noise when the motor rotates. | 2022-01-20 |
20220021289 | ADJUSTABLE FORCE DEVICE - An adjustable force device comprises a member that is mechanically guided for allowing a displacement according to a predetermined trajectory, and means for magnetically indexing the displacement by the magnetic interaction between a first ferromagnetic structure and a second ferromagnetic structure integral with a magnet, wherein the magnet is at least partially surrounded by an electric coil that modifies the magnetization of the permanent magnet according to the direction and the amplitude of the electric current flowing in the coil. | 2022-01-20 |
20220021290 | MAGNETOHYDRODYNAMIC HYDROGEN ELECTRICAL POWER GENERATOR - A power generator is described that provides at least one of electrical and thermal power comprising (i) at least one reaction cell for reactions involving atomic hydrogen hydrogen products identifiable by unique analytical and spectroscopic signatures, (ii) a molten metal injection system comprising at least one pump such as an electromagnetic pump that provides a molten metal stream to the reaction cell and at least one reservoir that receives the molten metal stream, and (iii) an ignition system comprising an electrical power source that provides low-voltage, high-current electrical energy to the at least one steam of molten metal to ignite a plasma to initiate rapid kinetics of the reaction and an energy gain. In some embodiments, the power generator may comprise: (v) a source of H | 2022-01-20 |