Abstract: A repair boundary indicator for an inflatable tire is disclosed. The repair boundary indicator is located on the interior or the exterior of the tire to indicate the boundary of the area of the tire that can be safely repaired.

Abstract: An ECU is used to a tire pressure monitoring system of a vehicle. The ECU includes a contact storage portion and a post-replacement ID reporting section. The contact storage portion stores previously a contact of a management computer of a facility that the vehicle uses. The post-replacement ID reporting section transmits a post-replacement tire ID of a tire, which is substituted in the tire replacement, to the contact in the contact storage portion via a communication network when the tire replacement is detected by a tire replacement detection section. The management computer includes a registration change section that registers the post-replacement tire ID in a registration portion upon receiving the post-replacement tire ID.

Abstract: A method for monitoring an air pressure in at least one tire of a motor vehicle, wherein at least one air pressure in the tire is detected by at least one measuring electronics unit present in the tire and data is transmitted by the measuring electronics unit to a control unit. Depending on the data, the control unit activates components of the motor vehicle to generate optical and/or acoustic signals. The control unit is switched into an after-running mode for a defined period of time when an ignition of the motor vehicle is shut off, in which mode the control unit can continue to receive data from the measuring electronics unit and may activate components of the motor vehicle to generate optical and/or acoustic signals.

Abstract: An exhaust stem for use with a valve assembly is provided. The exhaust stem is a hollow body which comprises an inner surface, a distal end, and an outer surface. The inner surface forms a portion of a fluid conduit through the exhaust stem. The distal end is shaped to sealingly engage a valve of the valve assembly. The outer surface defines a plurality of turbulence reducing protuberances. The plurality of turbulence reducing protuberances distributes a fluid within a valve housing of the valve assembly to facilitate operation of the valve assembly. The valve assembly decreases an amount of fluid turbulence in a tire inflation system, provides greater flexibility in configuring the tire inflation system, and facilitates accurate control of a pressure within individual tires of a vehicle.

Abstract: A method is provided for modelling a tire in running conditions at a defined speed. During running, the tire is subjected to a downward vehicle load (Fz) representing a vehicle and to a transverse thrust stress (Fy), and the tire is inclined with respect to a vertical direction by a camber angle (?). The method includes modelling an overturning moment (Mx) exerted on the tire, in which the overturning moment (Mx) is a sum of at least: a moment (Mx1) produced by an offset of the vehicle load (Fz) by the camber angle (?); a moment (Mx2) produced by the transverse thrust stress (Fy); a moment (Mx3) produced by a ground reaction (FR) under the vehicle load (Fz), with the ground reaction (FR) being decentred from a reference point (C) of the tire by the transverse thrust stress (Fy).

Abstract: A system for conveying information includes a visual signaling device and a processor. The visual signaling device is capable of simultaneously displaying a plurality of messages. The processor electrically communicates with the visual signaling device. The processor receives a plurality of messages from respective systems via a communication system, identities a respective priority and at least one respective attribute of each of the messages, and transmits signals based on the priorities of the messages to cause the visual signaling device to simultaneously convey the respective priority and at least one attribute of at least one of the messages. The respective priorities and the at least one attributes of each of the messages is previously assigned, and a diagnostic message having a lowest of the priorities is previously assigned.

Abstract: A vertical take-off and landing (VTOL) roadable aircraft which has the features and dimensions of a typical road vehicle is disclosed. When operated on the road the wheels are powered by the engine. When the vehicle is configured for flight, a plurality of propellers is deployed from the storage compartment located on the roof and is powered by the same engine. The conversion process transforms the vehicle into a highly manoeuvrable quadcopter or a multi-rotor aircraft. The design concept enables propellers of relative large diameter to be conveniently secure to the vehicle, while allowing reliable deployment, retrieval and storage of the propellers as required. The total combined area of the propellers enables a low disk loading in the range of some helicopters with equivalent flight efficiency. The propellers are shrouded for safe operation. The conversion is automated, fast, and can be carried out while the vehicle is still moving.

Abstract: A holding element for a spring, having a spring fastening area (10) for fastening the leaf spring (2) to the holding element (5) and a wheel carrier fastening area (9) for fastening a wheel carrier (4) to the leaf spring (2). The holding element (5) has a deformation zone (23) through which webs and openings extend for transmission of forces from the spring fastening area (10) to the wheel carrier fastening area (9), such that the webs (S2.1, S2:2, S3.1, S3.2) and the openings (A1, A2, A3) are formed mirror-symmetrically relative to the longitudinal axis (L) of the holding element.

Abstract: A bearing mechanism for a transverse leaf spring can be fitted in the area of a vehicle axle and has a holding device for holding the transverse leaf spring and a connecting device via for connecting the holding device to the vehicle. The holding and connecting devices and the transverse spring are designed such that when the transverse spring is in its installed position a cross-sectional plane of the transverse spring, that extends in the vertical and longitudinal directions of the vehicle, can pivot in the area of the mounting fixture during jouncing and rebound of the transverse spring, about a rotational axis that extends in the longitudinal direction. The holding and connecting devices, in the area of the mounting fixture, are designed such that the rotational axis of the cross-sectional plane of the transverse spring is vertically spaced from the neutral fiber of the transverse spring.

Abstract: An air conditioning system for conditioning the air of a passenger compartment of a motor vehicle comprises a housing with a first and a second flow conduit for conducting air and a coolant circuit with at least two heat exchangers, wherein a first heat exchanger is arranged in the first flow conduit and a second heat exchanger is arranged in the second flow conduit. The first heat exchanger can be operated independently of the operating mode as an evaporator and the second heat exchanger can be operated independently of the operating mode as a condenser. The housing comprises at least one air conduction device with which an air mass flow conditioned in the air conditioning system can be discharged into the environment. The coolant circuit is constructed with a heat exchanger which is arranged outside of the housing and can be operated as an evaporator or as a condenser.

Abstract: A mobile thermal regulation facility is a trailer mounted container defining a thermally regulated interior space in which people may walk, stand and sit. One or more doors are provided for ingress and egress. An exhaust fan may maintain a negative pressure space between paired doors to help maximize energy efficiency. Seating is provided. Electric and data utilities in the form of one or more outlets, USB charging stations, an internet access points (e.g., WiFi) may also be provided. Other accoutrements may include display screens for displaying television programming or video captured events.

Abstract: A climate control system with an air guiding element is provided, whereby the air guiding element is partially permeable to air.

Abstract: A system for thermally pre-conditioning a vehicle's passenger cabin prior to vehicle departure is provided. The system, after determining that the vehicle is off and/or the driver has left the car, monitors a variety of conditions corresponding to both the vehicle and the driver in order to determine the probability of the driver requiring near-term use of the car. Typical monitored conditions may include driver and vehicle location, driver proximity, time of day, day of week, driver's upcoming appointments, and a historical data base that tracks driver behavior. Once the probability that the car will be needed within a preset time period exceeds a preset level, the system determines whether the passenger cabin should be heated or cooled based on the current passenger cabin temperature, and then activates an appropriate thermal management system.

Abstract: A method of thermally pre-conditioning a vehicle's passenger cabin prior to vehicle departure is provided. The system, after determining that the vehicle is off and/or the driver has left the car, monitors a variety of conditions corresponding to both the vehicle and the driver in order to determine the probability of the driver requiring near-term use of the car. Typical monitored conditions may include driver and vehicle location, driver proximity, time of day, day of week, driver's upcoming appointments, and a historical data base that tracks driver behavior. Once the probability that the car will be needed within a preset time period exceeds a preset level, the system determines whether the passenger cabin should be heated or cooled based on the current passenger cabin temperature, and then activates an appropriate thermal management system.

Abstract: A vehicle air-conditioning system includes a primary loop coupled to an air-conditioner that cools a refrigerant in the primary cooling loop for delivery to a primary heat exchanger, a secondary cooling loop in communication with the primary heat exchanger, wherein cooling from the refrigerant is transferred to a coolant in the secondary cooling loop and a secondary heat exchanger for transferring cooling from the coolant to air delivered to a rear of a vehicular passenger cabin.

Abstract: A cowl louver clip assembly includes a protrusion receiving body including a windshield receiving end, a windshield engaging top and a protrusion receiving end. A protector member extends along the windshield engaging top and windshield receiving end. The protrusion receiving body has a volume configured to receive a support protrusion of a cowl louver structure.

Abstract: A rear window module of a vehicle having a window body, which can be advanced in guide rails that are fixed relative to the vehicle, between a lifted closed position and a lowered open position. The window body, in relation to a vertical longitudinal center plane, at each of its two lateral edges, is provided with a sliding element, which is guided in the relevant guide rail and is fixed to the window body, being spaced apart from a lower window edge.

Abstract: A fastening arrangement is disclosed for mounting a decorative cover or a window guide on a vehicle door having a material section associated with a decorative cover or a window guide and another material section is associated with a vehicle door. A connector configured as a connection clip connects the material sections. The connection clip positions the material sections in a form-fitting manner relative to one another in at least one direction.

Abstract: Provided is a water discharge structure for a sunroof device, the water discharge structure being capable of suitably preventing rainwater, etc. from penetrating a stationary roof. A water discharge structure for a sunroof device is configured so as to comprise: a panel body for closing an opening formed in the stationary roof of a vehicle; frame members arranged along edges of the stationary roof and provided with water discharge grooves; brackets mounted to the frame members and supporting the panel body; and water discharge guide plates disposed between the panel body and the brackets and conducting rainwater etc., which have entered along the seal surfaces between the panel body and the edges of the stationary roof, to the water discharge grooves.

Abstract: A vehicle roof which can be opened, comprising a cover that can be moved between a closed position and an open position in which the cover is raised at least at the rear edge of the cover and is at least partly moved over an adjoining roof portion. The cover is supported by means of a front bearing device, which can be moved by a drive device, such that the cover can be moved along a front guide rail and by means of a rear bearing device such that the cover can be raised over the adjoining roof portion and moved along a rear guide rail.

Abstract: A deployable trailer coving system includes spaced apart guide tracks mounted on opposite sides of a flat bed trailer. Each of the guide tracks support trolley assemblies support bows for movement along the length of the trailer. The bows support a trailer covering or tarp cover to define a cargo area. A tensioning mechanism is connected to at least one of the bows and applies a load to stretch the covering to a predetermined tension. The tensioning mechanism includes a torque-indicating tensioning actuator that produces one of an audible and a tactile sensation is produced when the predetermined level of tension in the covering is reached.

Abstract: A golf cart enclosure includes a roof panel, a rear panel, two side panels and a front panel to enclose an interior space of the golf cart. The front panel includes an opening adapted to surround a windshield of the golf cart. The front panel further includes a channel provided around a perimeter of the front panel opening for receiving at least one drawstring. Upon pulling the drawstring tight and locking in position, the edges of the front panel around the opening are drawn in toward a center of the opening to neatly and snuggly fit the enclosure to golf carts of varying dimensions.

Abstract: The subject invention provides for a weatherstrip assembly for sealing between a frame and a closure member of a vehicle. The assembly includes a trim portion having a body and a flange extending from the body. The flange is capable of moving between an initial position and a final position. A seal extends from the body for abutting and sealing the closure member. An adhesive is disposed on the body for coupling the trim portion to the frame. The adhesive is disposed opposite the seal such that the seal extends away from the adhesive. A retaining member is selectively mounted to the flange and spaced from the adhesive for selectively engaging the frame to selectively hold the flange in the initial position relative to the frame. The retaining member is removed from the flange while concurrently moving the flange toward the final position.

Abstract: A disclosed daily use protective vehicle cover comprises an anchoring system configured to cover horizontal surfaces on the vehicle including all windows down to the door handles on each side of the vehicle and the hood and trunk. The cover also includes an upside down pocket with an open portion facing downward to fit over a top part of at least one door and therefore anchor the pocket to the door regardless of whether the door is open or closed. The cover further includes a plurality of anti-theft devices configured to prevent the cover from being pulled off the vehicle at least at one of the doors and at a front hood and a rear trunk thereof, the devices comprising a bulky object sewn into an underside of the cover. A method includes anchoring a hood and trunk end of the cover prior to attaching the sides of the cover.

Abstract: An electric vehicle includes a suspension member attached to a vehicle body, a motor fixed to the suspension member, a power source, an electronic device to which electric power is supplied from the battery, and a holding mechanism including a holder and a fixing portion. The holder collectively holds the battery and the electronic device in an integrated manner. The fixing portion fixes the holder to the motor.

Abstract: A fuel cell vehicle which a fuel cell stack is mounted on comprises a stack case that is configured to place the fuel cell stack therein; mounts that are configured to fix the stack case to a vehicle body; ribs, each being provided to be extended from a position adjacent to the mount across an upper surface of the stack case; and a damping member that is provided between adjacent ribs on the upper surface of the stack case. The damping member is a material formed by applying an aluminum sheet on butyl rubber. This configuration to reduces the noise and damps the vibration.

Abstract: A multi-mode power train and multi-mode vehicle include a power-conversion device that is in communication with an engine via a direct mechanical power-transfer connection extending from the engine to the power-conversion device. A continuously variable power source (CVP) is in communication with the power conversion device via an intermediate power-transfer connection. A lock-up device with first and second engagement states is provided between the engine and the power-conversion device or the CVP. With the lock-up device in the first engagement state, mechanical power from the engine is converted by the power-conversion device for use by the CVP, with the CVP using the converted power to provide mechanical power to a power-output connection. With the lock-up device in the second engagement state, the engine transmits mechanical power through the lock-up device to the power-output connection.

Abstract: A transmission unit includes: input shafts, each of the input shafts being provided with a shift driving gear thereon; output shafts, each of the output shafts being provided with a shift driven gear configured to mesh with a corresponding shift driving; a motor power shaft configured to rotate together with one of the output shafts; and an output unit configured to rotate with one of the output shafts at different speeds and configured to selectively engage with one of the output shafts so as to rotate together with one of the output shafts. A power transmission system including the transmission unit and a vehicle including the power transmission system are also provided.

Abstract: A power transmission system for a vehicle includes: an engine; input shafts, at least one of which configured to selectively engage with the engine, each of the input shafts being provided with a shift driving gear thereon; output shafts, each of the output shafts being provided with a shift driven gear configured to mesh with a corresponding shift driving gear; a motor power shaft configured to rotate together with one of the output shafts; and a first motor generator configured to rotate together with the motor power shaft, wherein when the motor power shaft is rotated together with one of the output shafts, the first motor generator is configured to generate electric power utilizing at least parts of power generated by the engine while the vehicle in a running state or a parking state. A vehicle including the power transmission system is also provided.

Abstract: A power transmission system for a vehicle includes: an engine; input shafts, each of the input shafts being provided with a shift driving gear thereon; output shafts, each of the output shafts being provided with a shift driven gear configured to mesh with a corresponding shift driving gear; a generator gear fixed on one of the output shafts; a reverse output gear configured to rotate together with or to disengage from a shift driving gear; an output idler gear configured to engage with one of the output shafts so as to rotate together with the output shaft or disengage from the output shaft so as to rotate with the output shaft at different speeds; a motor power shaft configured to rotate together with the generator gear; and a first motor generator configured to rotate together with the motor power shaft. A vehicle including the power transmission system is also provided.

Abstract: A transmission unit includes: input shafts; output shafts configured to transmit with a corresponding input shaft via gears; a reverse output gear fitted over one output shaft; a reverse synchronizer; a reverse shaft configured to rotate together with a input shaft and a reverse output gear; a motor power shaft; a first and a second motor gears fitted over the motor power shaft; the second motor gear configured to rotate together with a shift driven gear; and a motor synchronizer. A power transmission system including the transmission unit and a vehicle including the power transmission system are also provided.

Abstract: A hybrid electric vehicle drive apparatus has a setting portion for setting a limit value of a driving torque that a motor outputs when driving a hybrid electric vehicle by the power of the motor only, based on a maximum torque that the motor enables to output and a starling torque used to start an internal combustion engine by the motor. The setting portion sets the limit value to a first value and sets the limit value to a second value which is greater than the first value when a vehicle speed of the vehicle does not increase even though an accelerator pedal position degree increases while the vehicle is being driven only by the motor.

Abstract: A flap for shutting off a ventilation device for a vehicle is disclosed. The flap has at least one shut-off surface for shutting off an air flow, extending longitudinally along an axis of rotation and including, at least at one of its longitudinal ends, a journal about which the rotation of the shutter is articulated, the journal being aligned with the axis of rotation and is inserted in a bearing of a support of the flap. The flap includes, in the axial extension of the shut-off surface, a stop element offset radially, shaped to apply an axial force to a first part of the support of the shutter, and comes into rotational abutment against a second part of the shutter support. A motor vehicle ventilation device support framework having at least one cross member forming a support for at least one flap for shutting off the device is also disclosed.

Abstract: A ventilation valve and a tank device that includes such a ventilation valve, which fulfills both a roll-over function and an overflow protection function.

Abstract: A product may comprise an electric machine, and may include first and second shafts connectable to the electric machine in torque a transferring relationship. A first clutch assembly may selectively connect the electric machine with the first shaft and a second clutch assembly may selectively connect the electric machine with the second shaft. A gear set may be operatively engageable between the electric machine and the first and second clutch assemblies. An engagement coupling may connect the gear set in a high range between the electric machine and the first and second clutch assemblies, and the engagement coupling may connect the gear set in a low range between electric machine and the first and second clutch assemblies.

Abstract: A drive axle system that may have a first drive axle assembly and a second drive axle assembly. The first drive axle assembly may have a first pinion that may rotate about a first pinion axis. The second drive axle assembly may have a second pinion that may rotate about a second pinion axis. The first pinion axis may be disposed substantially parallel to the second pinion axis.

Abstract: A mock beverage container for disguising a hand held analyzer section of a breath alcohol ignition interlock system therein. The mock beverage container housing includes means for accommodating a mouthpiece thereon for providing fluid communication of breaths from a user with an alcohol sensor associated with the hand held analyzer section. A vent or opening formed in the housing can be provided for exhausting breath from the mock beverage container. The mock beverage container housing can be disguised as a coffee cup, a fountain drink cup, a soda can, and a soft drink bottle. The mouthpiece can be disguised as a coffee cup lid, a fountain drink cup straw, a soda can opening, and a soft drink bottle top, or can be integrated with the hand held analyzer and protrude through an opening in a side or top of the mock beverage container.

Abstract: A vehicle display processing apparatus includes: a first determination portion that determines whether a vehicle is at a stop; a first display processing portion that displays on a first display device, an operation screen image, the first display device being provided between a driver seat and a front passenger seat; a second display processing portion that displays a screen image relating to the operation screen image, which is displayed on the first display device, on a second display device provided to a driver seat side; and a second determination portion that determines whether a running speed of the vehicle is equal to or greater than a predetermined speed. The second display device is provided by a head-up display. When the running speed of the vehicle is lower than the predetermined speed, the second display processing portion does not display the screen image on the second display device.

Abstract: A projected architecture system may include a first device, associated with a driver of a vehicle, which drives the display of content on the infotainment screen of the vehicle. A passenger in the motor vehicle may have a second device that the passenger can utilize to transmit an instruction to the first device. The instruction may cause the display of the infotainment system to be altered. The passenger may, for example, utilize the second device to cast a point of interest or navigation direction to the infotainment display via the first device. Thus, the driver does not need to search, browse, and/or view functions and/or content on the infotainment system's display and can concentrate on operating the vehicle.

Abstract: A vehicle hydraulic pressure supply device that includes a mechanical oil pump driven by a drive force source for wheels; an oil passage constitution member in which an oil passage connected to the mechanical oil pump is formed; and a hydraulic control device that controls a hydraulic pressure supplied from the mechanical oil pump via the oil passage constitution member and that supplies the hydraulic pressure to a vehicle drive transmission device.

Abstract: A power supply system includes a first controller that, controls an MG1 inverter, a second controller that controls an MG2 inverter, and a voltage sensor that detects a voltage generated from a pair of output terminals. The first controller controls the MG1 inverter according to a target value of the voltage generated from the output terminals, irrespective of the magnitude of a deviation between the target value of the voltage generated from the output terminals, and the detected voltage. The second controller controls the MG2 inverter according to the deviation. This processing is implemented by an effective value computing unit, effective value PI control unit, and a neutral point output voltage command unit.

Abstract: An electric power storage system for a vehicle includes: an electric power storage device; a converter configured to perform voltage conversion between the device and the motor; a DC/DC converter configured to step down an output voltage to an auxiliary machine or an auxiliary machine battery; a charger configured to charge the device with external electric power; and first and second relays disposed on first and second connection lines connecting the device to the converter, respectively. One end of the DC/DC converter is connected to the first connection line between the first relay and the converter and the other end is connected to the second connection line between the device and the second relay. The charger is disposed on a current path capable of charging the device with the external electric power when the first relay is in an ON state and the second relay is in an OFF state.

Abstract: The invention relates to a method for driving a motor vehicle and a drive system for a motor vehicle, solely for electro-motorized forward movement. At least one electrical motor is directly or indirectly connected to a drive shaft of the motor vehicle, which is supplied with electrical energy via an energy storage unit, to which energy is supplied with electrical charge current by a generator, driven by a gas engine. The invention is operated during forward movement of the motor vehicle such that an average power demand, which can be allocated to the electrical motor, equals an average power output, which can be allocated to the gas engine, so that a charge state, which can be allocated to the energy storage unit, does not change or changes solely within a charge state within a tolerable range.

Abstract: A circuit for pulse duty factor limitation in a switch mode regulator, having an output stage to which control is applied by a signal, is described, in which circuit a pulse duty factor limiter is connected to the switch mode regulator in order to transfer the signal to the pulse duty factor limiter; the pulse duty factor limiter is configured to generate from the signal a limited signal limited at the top end in terms of pulse duty factor; and the pulse duty factor limiter is connected to the output stage in order to transfer the limited signal to the output stage. Also proposed is a method for operating a switch mode regulator having a downstream circuit to which control is applied by a signal of the switch mode regulator and having a capacitor that becomes charged when the downstream circuit is switched off, in which method the pulse duty factor of the signal is limited at an upper limit value in such a way that a predetermined charging time for the capacitor is available.

Abstract: An electrical supply apparatus including a containment unit with a bottom, at least one side wall forming an enclosure with an open top; a tower extendable and retractable from the containment unit and a charging unit attached to the tower which, in preferred embodiments, is a wireless charging component provided in a cover, for charging electric vehicles, and particularly to induce optimal current transfer to a receiving component without requiring a corresponding extension of the receiving component out of an electric vehicle and featuring a flexible bellows having an upper edge and a lower edge, wherein said upper edge is continuously affixed about said cover and a lower edge is continuously attached to a flange forming the bottom of the crown ring such that said bellows provides a watertight barrier preventing contaminants from entering an area under said cover.

Abstract: A rack-integrated cylindrical cell solar power assembly is provided. The assembly includes at least one cylindrical solar cell that is configured to generate solar power and is further configured to provide the solar power to an electrical component of a vehicle via an electrical connection, rein the solar power includes sunlight converted into electrical energy. The assembly further includes a rack shaped to attach to the at least one cylindrical solar cell and to a sunlight-exposed surface of the vehicle.

Abstract: A system for coiling an electrical cable employed for charging an electric vehicle employs a cable management system. The cable management system has a drive assembly which has a drive mode that retracts the cable and release mode which allows for the cable to be extended. The installation employs a drum having a cylindrical sidewall. The drive assembly drives the cable downwardly into a drum so that the cable progressively engages the sidewall to form a vertical coiled configuration. A clutch assembly cooperates with the drive assembly to provide the automatic retracting and extending operations and also locks the vehicle connector at the end of the electrical cable in an extended position as well as a retracted home position.

Abstract: A charging system includes a vehicle, a charging/discharging connector, a detector, and an informing portion. The vehicle is equipped with an electric power storage device, and also includes an inlet for charging the electric power storage device. The charging/discharging connector is a connector that is attached to and detached from the inlet and that is connected to the inlet in a fully fitted state, in which charging can be performed, and a half-fitted state, in which charging is not allowed. The detector includes an electronic control unit for detecting whether a connecting state of the charging/discharging connector is the fully fitted state or the half-fitted state. The informing portion includes an indicator for informing a user of abnormal connection of the charging/discharging connector on the basis of a detection result of the electronic control unit when connection of the charging/discharging connector is the half-fitted state.

Abstract: An electric power retention distribution cell apparatus and method of operation of the cell includes a rechargeable battery assembly, a bi-directional inverter and a switch control operatively connectable to an electric utility grid, an outside power charging supply and at least one end user wherein the cell is selectively switched between the electric utility grid and the battery assembly to supply electric power to the one or more end users. The cell is connected to the power charging supply for charging the battery assembly, and for dividing the battery assembly into groups of batteries for storage at a lower terminal output voltages of each group than the battery assembly output voltage when in use as the primary power supply. Electric power supply networks are also described for a utility hub network formed using two or more cells, and for a regional utility hub network formed using multiple utility hubs.

Abstract: A battery charging device for a motor vehicle battery with at least partially electric traction includes a filtering stage to be connected to an electrical power supply network, a voltage buck stage connected to the filtering stage, a voltage boost stage coupled to the voltage buck stage and to be connected to the battery, and a regulation unit to impose chopping duty cycles on the voltage buck stage and on the voltage boost stage. The regulation unit compensates the harmonics generated by the voltage buck stage in the filtering stage, acting on the voltage buck stage.