Abstract: In one embodiment, a power system includes a power panel operable to distribute alternating current (AC) power and pulse power to a plurality of power outlets and having an AC circuit breaker and a pulse power circuit breaker, the pulse power comprising a sequence of pulses alternating between a low direct current (DC) voltage state and a high DC voltage state, a power inverter and converter coupled to the power panel through an AC power connection and a pulse power connection and including a DC power input for receiving DC power from a renewable energy source, an AC power input for receiving AC power, and a connection to an energy storage device, and a power controller in communication with the power inverter and converter and operable to balance power load and allocate power received at the DC power input and the AC power input to the power panel.

Abstract: A power supply system with current sharing includes a current sharing bus, a plurality of power supply units, and a plurality of controllers. The power supply units are connected to each other through the current sharing bus. Each power supply unit provides a current sharing signal value to the current sharing bus, and provides an output current to a load. Each controller receives current sharing signal values provided from other power supply units and current signal values corresponding to the output currents. When determining that the current signal value is less than a reference current sharing signal value, the controller increases an output voltage of the power supply unit to increase the output current. Otherwise, the controller decreases the output voltage to decrease the output current so that so that the output currents of the power supply units are shared to supply power to the load.

Abstract: Power management techniques are disclosed. For instance, an apparatus may include a bidirectional voltage converter circuit, and a control module that selectively operates the bidirectional voltage converter circuit in a charging mode and a delivery mode. The charging mode converts a voltage provided by an interface (e.g., a USB interface) into a charging voltage employed by an energy storage module (e.g., a rechargeable battery). Conversely, the delivery mode converts a voltage provided by the energy storage module into a voltage employed by the interface. Other embodiments are described and claimed.

Abstract: A battery charging management system and method for a battery fleet having a plurality of rechargeable, communication-enabled, battery units, includes a charging management base configured for transmitting charging setting information for the battery units, a plurality of user terminals configured for transmitting battery-charging-related user predefinition information, a respective charging control unit in each of the battery units, and a communication connection for data transfer between the charging management base at one end and the battery units at the other end and between the user terminals at one end and the charging management base and/or the battery units at the other end. The charging setting information and/or the user predefinition information includes charging mode information with regard to a plurality of different charging modes for the battery units.

Abstract: A method determines a use parameter for a rechargeable battery pack for using a charger device that charges user-exchangeable rechargeable battery packs for driving a mobile device. A means of transport includes the charger device. The method ascertains state and rated variables of the rechargeable battery packs relating to a possible charging of the rechargeable battery packs by the charger device; ascertains possible use time durations of the rechargeable battery packs for possibly using the charger device relating to a possible charging of the rechargeable battery packs by the charger device; and determines the use parameter for at least one of the rechargeable battery packs for using the charger device by linking the ascertained state and rated variables and the ascertained possible use time durations taking account of a use limit of the charger device.

Abstract: A power management and selection system for a class 8 tractor trailer, directs excess solar and vehicular charge capacity to an auxiliary load by measuring available charge capacity from a reefer power system including a reefer battery, solar panel and charge controller for moderating solar power to the reefer batter, and measuring available charge capacity from a cab vehicle power system including a propulsion system battery and alternator. Charge logic, in a selector configured for switching charge capacity to the auxiliary load, determines which of the reefer power system and cab vehicle power system has the most potential excess charge capacity, and directs the determined excess charge capacity to the auxiliary load, while the measured available charge capacity remains sufficient for powering the respective reefer power system or cab vehicle power system.

Abstract: A protection circuit and a control circuit of a secondary battery are provided, for example. A circuit with low power consumption is provided. A circuit with a high degree of integration is provided. The control circuit includes a first resistance circuit, a second resistance circuit, a comparator, and a memory circuit.

Abstract: Embodiments that provide advanced charging of energy source arrangements for energy storage applications are disclosed. The embodiments can be used within energy storage systems having a cascaded arrangement of converter modules. The embodiments can include the application of pulses to an energy source of each module of the system. The pulses can be applied for charging and preheating purposes. Control techniques can be used to distribute charge signals from a charge source to multiple modules of an energy storage system.

Abstract: The present invention relates to a system for managing accumulator batteries (BMS) of a semi-modular element comprising a plurality of lithium cell elements connected in series to form a line, and comprising at least two parallel lines constituting the semi-modular element, and at least one detection circuit characterized in that the detection circuit comprises at least one discharge or short-circuit detection device and at least one device for monitoring the voltage and temperature of at least one, and preferably all, of the cell elements, the detection circuit controlling a circuit breaker device comprising one switching device per line.

Abstract: In some examples, a controller circuit comprises: a voltage subtractor circuit having a subtractor output and first and second subtractor inputs, the first subtractor input adapted to be coupled to a first current terminal of a transistor, and the second subtractor input adapted to be coupled to a second current terminal of the transistor; an internal voltage generator circuit having a generator input and a generator output, the generator input adapted to be coupled to the first current terminal; and a gate control circuit having a gate control input and a gate control output, the gate control input coupled to the subtractor output, the gate control output adapted to be coupled to a gate of the transistor, the gate control circuit including a switch coupled between the gate control output and the generator output.

Abstract: A power tool includes a motor and a controller in a power tool housing. A battery pack interface is defined on and/or in the power tool housing. A receptacle is defined on and/or in the power tool housing to removably accommodate a wireless communication adapter such that the wireless communication adapter is disposed entirely within a shell of the power tool and no portion of the wireless communication adapter extends beyond an outer contour of the power tool housing. At least one communication terminal is disposed within the receptacle and is electrically connectable to the wireless communication adapter. The controller outputs to the at least one communication terminal a signal indicating a charge level of a battery pack attached to the battery pack interface, a number of hours of operation of the power tool, a power tool overheated alert, and/or a battery pack overloaded alert.

Abstract: An aerosol-generating device is disclosed. The aerosol-generating device of the present disclosure includes a heater configured to heat an aerosol-generating substance, a battery configured to supply electric power to the heater, a memory, and a controller configured to determine the remaining capacity of the battery. When the battery is charged, the controller determines whether charging history data on a history of charging the battery to the maximum capacity is stored in the memory. When the charging history data is not stored in the memory, the controller determines the remaining capacity of the battery using an initial data table pertaining to at least one of current or time, which is stored in the memory. When the charging history data is stored in the memory, the controller determines the remaining capacity of the battery based on the charging history data stored in the memory.

Abstract: The present invention relates to a method of managing the power requirements of an off-grid assembly, and in particular a solar powered off-grid floodlight assembly, that has one or more functional components with electrical power demands that are met by energy storage means. In a first stage the method determines the current state of charge of the energy storage means and records such. This current state of charge determined is then compared with a calculated power requirement for operating said functional components for at least one required operating period. The level of power supplied by the energy storage means to the functional components is then managed in accordance with a power rationing model that comprises instructions to vary the power supplied over time to ensure at least partial functionality of the functional components throughout the required operating period or periods.

Abstract: A method of adapting a battery charging profile of a battery may include monitoring one or more parameters associated with the battery during normal operation of a device powered from the battery and while the battery is simultaneously charged by a charger and is discharged by a dynamic system load of the device, determining an impedance of the battery based on the one or more parameters, determining a condition of the battery based on the impedance and the one or more parameters, and adapting the battery charging profile based on the condition.

Abstract: A method for supplementing lithium for a secondary battery includes performing a first round of lithium-supplementing charge and discharge on the secondary battery during routine charge-and-discharge cycles of the secondary battery if a capacity of the secondary battery has reduced by k1 in comparison with an initial capacity and performing a round of lithium-supplementing charge and discharge on the secondary battery after the first round of lithium-supplementing charge and discharge if the capacity of the secondary battery has reduced by k2 in comparison with the capacity achieved after a previous round of lithium-supplementing charge and discharge. k1 and k2 each are in a range from 1.5% to 17%. In a round of lithium-spplementing charge and discharge, a number of times of charge and discharge is at least one and a charge cut-off voltage is in a range from 4.45 V to 5 V.

Abstract: A battery system comprises multiple electrochemical units for receiving, storing, and providing electricity; an integrated network of specially arranged conductors for carrying and transmitting electricity from, to, among, and/or between the electrochemical units; and various strategically interspersed current-regulating devices for predeterminatively routing electricity through the conductors. The electrochemical units may be in the form of cells, modules, packs, or other types of containers or enclosures. The conductors are arranged to enable two or more connection modes, said connection modes being selected from the group consisting of series, parallel, and series-parallel connections. The current-regulating devices are positioned in proximity to desired rerouting points and are capable of controlling the path of electricity through the network of conductors and thereby selectively and temporarily altering the connection mode of the electrochemical units.

Abstract: The control device includes an acquisition unit that acquires a first index value that is an index of a deterioration state of the power storage device, and a lower limit setting unit that lowers a lower limit value of an allowable range for a second index value indicating a power storage state of the power storage device, when the first index value acquired by the acquisition unit indicates a predetermined degree of deterioration or more.

Abstract: Aspects of the present disclosure analyzing one or more signals that include both uncorrelated random signals as well as correlated information pertaining to electrochemical and/or electrodynamic processes occurring within a battery, characterizing the battery for charging, discharging, storage and other uses and/or controlling charging, discharging and other aspects of battery management based on the same.

Abstract: The present invention relates to a solar-powered charging block device that converts light into electrical power via a solar panel. As a result, a user can use a charging cord plugged into a charging port of the device to charge a smart device. The device may also be comprised of an integrated, backup battery plug.

Abstract: According to an aspect of the present disclosure, an uninterruptible power supply (UPS) system is provided. The UPS system includes a first input configured to be coupled to an input power source, a second input configured to be coupled to an energy storage device, an output configured to provide output power, a power conversion circuit (PCC) configured to convert power received from at least one of the input power source or the energy storage device, an output circuit coupled to the PCC and the output, and a controller. The PCC includes a first inductor and a second inductor magnetically coupled to the first inductor. The controller is configured to control the PCC to provide, via the first inductor, DC power derived from the input power source to the output circuit, and provide, via the first and second inductors, DC power derived from the energy storage device to the output circuit.

Abstract: A power tool comprising a power tool housing, an auxiliary power source, a user input for user control of power tool operation, and a controller. The controller is configured to receive a control signal from the user input, control the power tool in response to the control signal, receive, from a sensor, a signal indicative of an operational characteristic of the power tool, and selectively provide energy from the auxiliary power source to a load of the power tool based on the operational characteristic of the power tool.

Abstract: Disclosed herein are AI-based platforms for enabling intelligent orchestration and management of power and energy. In various embodiments, a set of autonomous orchestration systems for improving delivery of a heterogeneous set of energy types to a point of consumption based on a location of the point of consumption and a set of consumption attributes, the consumption attributes including at least one of a peak power requirement at the point of consumption a continuity of power requirement at the point of consumption and a type of energy that can be used at the point of consumption. In various embodiments, the autonomous orchestration systems orchestrate delivery of defined types of energy generation capacity to the point of consumption.

Abstract: Disclosed herein are AI-based platforms for enabling intelligent orchestration and management of power and energy. In various embodiments, an intelligent agent is trained on a data set of expert interactions with an energy provisioning system, wherein the intelligent agent is trained to generate at least one recommendation and/or instruction with respect to optimization of at least one energy objective and at least one other objective. In some embodiments, the other objective is an operational objective of an enterprise. In some embodiments, the intelligent agent operates on status data from a set of edge devices via which a set of energy generation resources are controlled.

Abstract: Example approaches for power quality monitoring in a power distribution grid are described. In an example, monitoring data is received by a communication gateway from a node coupled to it. In an example, there may be multiple nodes in the power distribution grid. Local insights for power quality monitoring may be estimated, based on the monitoring data, using predictive analytics at the communication gateway. The monitoring data and the local insights associated with each of the plurality of nodes is transmitted to the server. Global insights for power quality monitoring may be estimating, using predictive analytics performed at the server, based on the monitoring data and the local insights. An indication to an operator is generated, based on the estimated local insights, global insights and the monitored data, to carry out preventive or corrective action for maintaining the power quality in the power distribution grid.

Abstract: Disclosed herein are AI-based platforms for enabling intelligent orchestration and management of power and energy. In various embodiments, a data processing system is configured to fuse at least one entity of an energy grid entity generation, storage, delivery or consumption grid data set with at least one entity of an off-grid energy entity generation, storage, delivery and/or consumption data set. In some embodiments, the data processing system is configured to automatically time align energy grid entity data with off-grid energy entity data. In some embodiments, the data processing system is configured to automatically collect off-grid energy entity sensor data from a set of edge devices via which a set of off-grid energy entities are controlled. In some embodiments, the data processing system automatically normalizes the energy grid entity data and the off-grid energy entity data such as to present the data according to a set of common units.

Abstract: Described herein are techniques for routing conductive wires in a wireless power transfer pad. Such techniques may comprise routing, for a length of wiring between a power source and an inductive coil, a first conductive wire configured to carry a first current, routing, for a first portion of the length of wiring, a second conductive wire next to the first conductive wire, wherein the second conductive wire is configured to carry a second current having a direction that is substantially opposite that of the first current, and routing, for a second portion of the length of wiring, a portion of the inductive coil next to the first conductive wire, wherein the portion of the inductive coil is configured to carry a third current having a direction that is substantially opposite that of the first current.

Abstract: A wireless charging apparatus for a transportation means according to an embodiment comprises a magnetic unit having a moisture absorption rate adjusted to a specific range, and accordingly, high magnetic properties and charging efficiency may be provided under a frequency and high power applied to wireless charging. Therefore, the wireless charging apparatus can be applied to a transportation means, such as an electric vehicle requiring a large amount of power transmission between a transmitter and a receiver.

Abstract: A method for detecting an object to be charged, by a charging device, including a transmitting coil and a microcontroller which are suitable for charging a portable item of user equipment at an operating frequency. The method including the following steps: transmitting a predetermined number of voltage pulses at the terminals of the transmitting coil, at a parasitic resonant frequency, contained in a window of values, the resonant frequency being different and distinct from the operating frequency; measuring the voltage at the terminals of the transmitting coil; comparing a frequency of the voltage thus measured and the window of values; if the frequency of the voltage is contained in the window of values, then detecting a portable item of user equipment to be charged.

Abstract: A power transmission device includes power transmission coils, at least one power supply circuit, a communicator, and a control circuit. The power transmission coils transmit power to a power reception device via a power reception coil. The at least one power supply circuit supplies AC power to the power transmission coils, respectively. The communicator receives a signal indicating a power reception status of the power reception device from the power reception device. According to the power reception status, the control circuit selects a power transmission coil with a highest efficiency of power transmission to the power reception device among the power transmission coils to serve as the power transmission coil for power transmission to the power reception device, and controls the at least one power supply circuit so that AC power is supplied to the selected power transmission coil and is not supplied to an unselected power transmission coil.

Abstract: A wearable battery charging system includes a battery charging cradle having within it, in one embodiment, a rectification circuit, a battery charging circuit, and a wireless power receiving planar coil. The power receiving planar coil is sized for optimized wireless power charging of the battery when the power receiving planar coil within the cradle is brought into charging proximity to, and charging alignment with, a wireless power transmitting coil. The wireless power receiving planar coil may have a diameter which is at least five inches. The cradle is sized to snugly fit within the base of the pocket and to be compressed into the base of the pocket by the battery. The cradle is sized and shaped to correspond to the size and shape of, so as to fit snugly against, the base of the battery.

Abstract: This application provides a wireless power transfer unit, device, and method. The wireless power transfer unit includes a radiation source, a light-emitting body, a controller, and a metasurface. The radiation source is configured to emit an electromagnetic wave signal. The controller is configured to control the light-emitting body to provide light sources of different light intensities. The light-emitting body provides the light sources of different light intensities in response to control of the controller. The metasurface is configured to perform phase adjustment on the electromagnetic wave signal that is incident to the metasurface. Equivalent impedance of the metasurface varies with a change of the light intensity, so that an offset of a phase of the electromagnetic wave signal emitted through the metasurface also varies with the change of the light intensity.

Abstract: Wireless charging racks and systems for simultaneously charging a plurality of electronic devices are disclosed herein. A wireless charging rack may include one or more pillars. The one or more pillars may have a base to stand upright. The wireless charging rack may further include a plurality of shelves. Each of the plurality of shelves may be attachable to the one or more pillars, stackable on top of another, and distanced from another along the one or more pillars. The wireless charging rack may further include a plurality of wireless chargers. Each of the plurality of wireless chargers may be attachable to one of the plurality of shelves.

Abstract: This wireless power transmission device comprises a plurality of transmission coils and a control unit. The plurality of transmission coils are arranged along a single direction, in a matrix, or in a honeycomb shape. The control unit is controlled so that transmission power is transmitted to a wireless power receiving device from one or more transmission coils from among the plurality of transmission coils in accordance with the location of the wireless power receiving device placed on the plurality of transmission coils.

Abstract: A device for inductively charging an electronic accessory includes a first portion, a second portion, and a spacer. The first portion includes a first transmission coil in a first plane where the first transmission coil is configured to generate a first magnetic field, and the second portion includes a first transmission coil in a second plane where the second transmission coil is configured to generate a second magnetic field. The spacer is positioned between the first transmission coil and the second transmission coil and between the first plane and the second plane. The spacer material magnetically insulates the second transmission coil from the first magnetic field.

Abstract: Foreign objects impinging on a ground transceiver assembly (GTA) of a wireless power transfer (WPT) station are detected using a two-stage foreign object detection system. In a first stage, at least one camera is positioned to observe a charging position of the GTA and an area surrounding the charging position. In a second stage, an impedance measurement circuit measures an impedance of a wireless power transfer coil of the GTA. An imaging processor analyzes images from the at least one camera to identify changes or features indicative of introduction of a foreign object onto an exposed surface of the GTA or in the area surrounding the charging position. A foreign object detection (FOD) controller triggers an impedance inspection of the GTA by the impedance measurement circuit and initiates a failsafe operation when movement of an object crossing into or over the charging position is detected.

Abstract: A wireless power receiving device according to an embodiment of the present specification is a wireless power receiving device that receives wireless power from a wireless power transmission device. The wireless power receiving device: receives wireless power from the wireless power transmission device at an operating frequency through magnetic coupling with the wireless power transmission device; communicates with the wireless power transmission device using at least one of in-band communication using the operating frequency and out-band communication using a frequency other than the operating frequency; transmits a swap inquiry message to the wireless power transmission device through one of the in-band communication and the out-band communication; and receives a response message to the swap inquiry message from the wireless power transmission device through the other of the in-band communication and the out-band communication, and determines whether to swap the wireless power transmission device.

Abstract: A magnetic alignment system can include a primary annular magnetic alignment component and a secondary annular magnetic alignment component. The primary alignment component can include an inner annular region having a first magnetic orientation, an outer annular region having a second magnetic orientation opposite to the first magnetic orientation, and a non-magnetized central annular region disposed between the primary inner annular region and the primary outer annular region. The secondary alignment component can have a magnetic orientation with a radial component. Additional features, such as a rotational magnetic alignment component and/or an NFC coil and circuitry can be included.

Abstract: A magnetic alignment system can include a primary annular magnetic alignment component and a secondary annular magnetic alignment component. The primary alignment component can include an inner annular region having a first magnetic orientation, an outer annular region having a second magnetic orientation opposite to the first magnetic orientation, and a non-magnetized central annular region disposed between the primary inner annular region and the primary outer annular region. The secondary alignment component can have a magnetic orientation with a radial component.

Abstract: An alignment device comprises a coil configured to generate an induced voltage from a magnetic field, or an electrode configured to generate an induced voltage from an electric field. The alignment device further comprises a comparator configured to compare the induced voltage to a threshold voltage and activate an indicator based on the comparison.

Abstract: A vernier permanent magnet motor with a stator having coded auxiliary teeth which belongs to the technical field of permanent magnet motors. The motor includes a stator and a rotor that are coaxially sleeved, and an air gap is formed between the stator and the rotor. Coded auxiliary tooth structures are provided on a side surface in the stator close to the air gap, and first permanent magnets are provided on part of the coded auxiliary tooth structures. A plurality of pairs of second permanent magnets and ferromagnets are arranged around a side surface in the rotor close to the air gap. The first permanent magnets and the ferromagnets generate a first magnetic field, the second permanent magnets and the coded auxiliary tooth structures generate a second magnetic field, and the magnetic fields are superimposed to form working magnetic fields.

Abstract: A rotating electric machine includes: a rotor core (22) that has magnet insertion holes (22b) (22c); permanent magnets (21) that are inserted into the magnet insertion holes (22b) (22c); and a groove (21cc) (21dc) that is formed in at least one of a plurality of non-magnetic pole surfaces (21c) (21d) of the permanent magnet (21) so as to allow a refrigerant (101) to flow through the groove (21cc) (21dc).

Abstract: A rotary electric machine includes a stator, a rotor core provided on an inner circumferential side of the stator and fixed to an output shaft of a rotor, a plurality of magnets arranged in a circumferential direction and fixed to an outer circumferential portion of the rotor core, and a magnet holder fixing the magnets to the outer circumferential portion of the rotor core, the magnet holder includes a base portion through which the output shaft is inserted, and an arm portion connected to the base portion, and the base portion includes an inner circumferential portion having an annular shape, an outer circumferential beam which has an annular shape and is provided on an outer circumferential side of the inner circumferential portion and to which the arm portion is connected, and a connection beam connecting the inner circumferential portion and the outer circumferential beam.

Abstract: A rotor rim for an electric machine, having at least two solid annular plates and axially oriented tension bolts connecting the annular plates with each other, wherein on the outer circumference of annular plates grooves are arranged for accommodating rotor poles, for each rotor pole at least two tension bolts are provided, between each two adjacent annular plates a layer of intermediate ring elements is arranged, each layer includes exactly one intermediate ring element per rotor pole, intermediate ring elements are arranged such that between each two adjacent intermediate ring elements a ventilation duct is formed which extends from the inside of the rotor rim to the outer circumference of the rotor rim where it opens into space between the rotor poles, and each intermediate ring element is penetrated by at least two tension bolts and only abuts with a part of its axially oriented surface against adjacent annular plates.

Abstract: A method of cooling rotor winding end turns extending from a rotor core includes coupling a collar to a rotatable shaft of the rotor core. The collar has a first wall confronting the rotor core, a second wall spaced from and opposing the first wall, a third wall between the first and second walls defining a set of apertures therethrough, a first cavity cooperatively defined by the first, second and third walls, having a first opening opposing the third wall, a fourth wall circumscribing the third wall, a second cavity cooperatively defined by the second, third and fourth walls, the second cavity defining a second opening opposing the second wall. The first and second cavities are in fluid communication, and the rotor winding end turns are receivable into the second cavity. The method includes directing a coolant into the first cavity, and delivering the coolant to the second cavity.

Abstract: An outer peripheral wall portion of an insulator has a plurality of slits that are formed to extend from one end in a direction of a central axis of the outer peripheral wall portion along the central axis and through which a winding wire drawn out from a winding portion is passed. The outer peripheral wall portion is formed with a connecting slit provided with a step portion by connecting two of the plurality of slits that are adjacent to each other in a circumferential direction of the outer peripheral wall portion, that extend from the one end, and that are different in depth.

Abstract: An electric component for an electric machine includes a body having slots defined therein, and a conductive winding extending out of axial end(s) of the slot(s). The electric component may include any electric machine component having conductive windings, e.g., a stator for a generator. The electric component includes a resin dam around the conductive winding at axial end(s) of the slot(s). The resin dam blocks liquid communication through at least a space between the conductive winding and an inner surface of the slot(s), during manufacture. The electric component also includes a (solidified) insulating resin in the slot(s) and against the resin dam(s) at the axial end(s) of the slot(s). Any number of the conductive windings and slots may include a resin dam, e.g., one, some or all. The resin dams ensure complete filling of the slots and encapsulation of the conductive windings.

Abstract: A coil component for an electric machine, having a carrier and a coil winding accommodated in the carrier at least in sections. The carrier has a ring region with multiple grooves distributed in a circumferential direction, and multiple winding sections of the coil winding are received in each groove. An insulation layer is arranged between the carrier and the winding sections in at least one groove and projects with two extension portions over the winding sections towards a radial opening of the at least one groove. A closure element is received in the carrier in the groove with the insulation layer towards the radial opening, and both extension portions are arranged such that the closure element is spaced apart from the carrier by the extension portions. An electric machine is provided with the coil component.

Abstract: A fluid machine includes a thrust bearing support supporting a dynamic thrust bearing that includes a first dynamic thrust bearing and a second dynamic thrust bearing and including a first bearing base and a second bearing base fixed to each other via a spacer member. The fluid machine includes a main passage through which fluid flows from a motor chamber toward an operation chamber, and a space between an inner side of the spacer member and an outer side of the first dynamic thrust bearing and the second dynamic thrust bearing in a radial direction of a rotary shaft. The space communicates with a first through hole of the first bearing base communicating with the motor chamber and a second through hole of the second bearing base communicating with the main passage. The thrust bearing support includes a connecting passage interconnecting the space and the main passage.

Abstract: A cooling jacket, which is cylindrical and has an axial direction and a radial direction. The outer peripheral wall of the cooling jacket is partially recessed to form a channel allowing a cooling fluid to pass, wherein the channel comprises a plurality of straight sections and a plurality of inclined sections, the extending direction of the straight section is perpendicular to the axial direction, the inclined sections are connected to the straight sections to change the direction of the channel, and at least some straight sections connected to two ends of the inclined sections are used for circulating the cooling liquid in opposite directions.

Abstract: A rotary electric machine includes a rotor configured for coupling with a rotary shaft and a stator configured for surrounding the rotor, the stator includes a stator body and stator end windings which extend from axial ends of the stator body. The rotary electric machine further includes a housing configured for receiving the stator and rotor, the housing includes a fluid distributing chamber provided along an inner surface of the housing for being communicated with a plurality of fluid channels so as to distribute the fluid to flow through outer surfaces of the stator body and stator end windings when the stator is inserted into the housing. The present disclosure further relates to a powertrain assembly and an electrified vehicle including the rotary electric machine.