A power supply device is provided with a disconnection means (AND element) for forcibly disconnecting a battery module from a series connection regardless of a gate signal. The power supply device forcibly disconnects partial battery modules from the series connection by the disconnection means (AND element) during powering by a power supply output, thereby performing control so that the accumulated discharge current amounts thereof per unit time become smaller than those of the other battery modules.

The present disclosure relates to an electrified vehicle and a method for providing a distance to empty thereof that provide the distance to empty with a minimum error with an actual mileage. The electrified vehicle includes a temperature sensor for measuring an ambient temperature of the vehicle, a BMS for monitoring a SOC of a battery mounted on the vehicle, and a controller that calculates a DTE based on the ambient temperature and the SOC of the battery, adjusts a DTE reduction rate based on an actual discharging amount of the battery while traveling, and updates the DTE based on the adjusted DTE reduction rate.

A lubricant supported electric motor includes a stator presenting an outer raceway and a rotor extending along an axis and rotatably disposed within the stator. The rotor presents an inner raceway disposed in spaced relationship with the outer raceway to define a gap therebetween, and a lubricant is disposed in the gap for supporting the rotor within the stator. At least one of the outer raceway or the inner raceway is movable radially towards or away from the other to adjust the gap and optimize operation of the lubricant supported electric motor.

A method for predicting a failure of a power control unit of a vehicle is provided. The method includes obtaining data from a plurality of sensors of the power control unit of a vehicle subject to simulated multi-load conditions, implementing a machine learning algorithm on the data to obtain machine learning data, obtaining new data from the plurality of sensors of power control unit of the vehicle subject to real multi-load conditions, implementing the machine learning algorithm on the new data to obtain test data, predicting a failure of the power control unit based on a comparison between the test data and the machine learning data.

An electrified drive train for a motor vehicle has a heat generator, which includes at least one electric drive machine; and a cooling circuit, which is led through the electric drive machine and has a heat exchanger for removing heat from the cooling circuit. With respect to the direction of flow of the fluid used in the cooling circuit, the heat exchanger is arranged in the cooling circuit downstream of the heat generator to be cooled.

An electric drive axle for a motor vehicle includes a first half shaft, a second half shaft, a first parking lock unit associated with the first half shaft, and a second parking lock unit associated with the second half shaft. The first parking lock unit and the second parking lock unit are mechanically connected to one another via a connecting linkage. A central actuator arrangement is adjustingly connected to the connecting linkage.

A vehicle drive apparatus having a drive unit where the drive unit includes a motor that generates a driving force in a vehicle with a ladder frame, a transmission that changes the driving force transmitted from the motor, and a differential that splits the driving force transmitted from the transmission and transmits forces split to driving wheels of the vehicle. The vehicle drive apparatus includes a drive unit housing that houses at least part of the drive unit, a motor-side support coupling the drive unit housing to the ladder frame by two couplers arranged in a motor-side end region of the drive unit housing, and a differential-side support coupling the drive unit housing to the ladder frame in a differential-side end region of the drive unit housing. The two couplers of the motor-side support are arranged father outside in a vehicle width direction than the differential-side support.

A vehicle includes a battery, an inverter, a permanent magnet electric machine, and a controller. The controller commands discharge of a storage element of the inverter through the permanent magnet electric machine via a current having a zero quadrature axis component and a positive direct axis component.

Power supply system mounted in electric vehicle includes voltage measurement unit that measures a voltage of each of a plurality of cells to ensure both safety of an electric vehicle and convenience of a user. Current measurement unit therein measures a current flowing through the plurality of cells. Temperature measurement unit therein measures a temperature of the plurality of cells. Controller therein determines a current limit value defining an upper limit of a current for suppressing cell deterioration and ensuring safety based on the voltage, the current, and the temperature of each of the plurality of cells measured by voltage measurement unit, current measurement unit, and temperature measurement unit respectively, and that notifies a higher-level controller in electric vehicle of the determined current limit value.

A propulsion system for an electric vehicle includes an assembly of four electric propulsion machines each having a stator and a rotor having an output shaft that is movable in rotation about an axis. Also includes is a common gearwheel that is kinematically connected to the n output shafts and that is able to receive the torque provided by the electric machines so as to form a first speed reducer, and primary gearwheels able to be driven by the common gearwheel. An intermediate shaft is able to be driven by intermediate gearwheels, each primary gearwheel being kinematically connected to a corresponding intermediate gearwheel so as to form a pair of gears with which a second speed reducer is associated, and a secondary shaft that is able to drive the vehicle and that has a secondary gearwheel kinematically connected to the intermediate shaft so as to form a third speed reducer.