Abstract: A ventilation device for the inside of a motor vehicle, having at least one air outflow element and at least one associated directional element. The at least one air outflow element is provided in a functional arrangement with an air channel element. The air channel element represents the connection to a supply device as part of an air conditioning system. At least one light element is also provided. The arrangement of the at least one directional element and the at least one air outflow element work together so that the ventilation device can be continuously adjusted at least between two inside ventilation conditions. The at least two ventilation conditions respectively differ at least by means of a direction of outflowing air directed directly into the inside and directed indirectly along a roof liner designed for this reason in relation to a seat region of the motor vehicle.

Abstract: A mobile accommodation vehicle having a first free flow opening enabling free air flow between the inside and the outside of the vehicle and a second free flow opening also enabling free air flow between the inside and the outside of the vehicle. The first free flow opening is arranged higher than the second free flow opening in the vehicle. The first free flow opening or the second free flow opening is provided with heat recovery ventilation means which is arranged to enable free air flow through the heat recovery ventilation means, when the heat recovery ventilation means is not in operation.

Abstract: Air vent including mesh panel with improved directivity. In general, the disclosed subject matter relates to an air vent which comprises a mesh panel with vent holes to cover an outlet of the air vent, wherein the air vent provides for improved directionality of the outlet air through the mesh panel. The improvement in directivity is provided by that the air flowing towards the mesh panel is directed to flow substantially perpendicular to the mesh panel in at least some direction modes of the air redirecting element.

Abstract: A rear wall of an instrument panel has an outlet port and an inclined wall. An angle defined by the inclined wall and a vertical plane is from 30° to 40°. An upper fin and a lower fin are both supported by fin pivots. The lower fin is configured to be inclinable downward by at most 30° with respect to a horizontal plane. When the lower fin is inclined downward by a maximum angle, an interlocking mechanism inclines the upper fin together with the lower fin in an interlocking manner such that an angle of the upper fin with respect to the lower fin is greater than that when in a horizontal state. A bottom wall of a retainer includes an inclined surface located under an upstream end of the lower fin. The inclined surfaced is inclined upward toward the downstream end.

Abstract: A thermal insulation device includes a film unit including inner and outer layers and a thermal insulation unit. The outer layer is mounted to a window of a vehicle. The inner layer has a peripheral portion connected sealingly to the outer layer, and a center portion spaced apart from and cooperating with the outer layer to define a thermal insulation space therebetween. The film unit is formed with inlet holes communicating with the thermal insulation space and a seating space of the vehicle, and outlet holes communicating with the thermal insulation space and open toward the bodyshell, such that air in the seating space flows into the thermal insulation space through the inlet holes and is discharged from the thermal insulation space toward the bodyshell through the outlet holes. The thermal insulation unit includes a heat insulation layer disposed on the outer layer.

Abstract: The invention relates to a vehicle (1), in particular an industrial vehicle, comprising: —a cab (5), —a sun visor (6) connected thereto, and —at least one sensor unit (7a, 7b, 7c), wherein the sensor unit (7a, 7b, 7c) comprises a protecting element (9) that is pivotally and/or slidably connected to the sun visor (6) and a sensing element (8) connected to the protecting element (9), and wherein the protecting element (9) is movable between a first position, in which the sensing element (8) is positioned inside a housing (10) of the sun visor (6) and is hidden by the protecting element (9), and a second position, in which the sensing element (8) is positioned outside of the said housing (10).

Abstract: A vehicle includes a ceiling structure for a passenger compartment of the vehicle. The ceiling structure has an opening. The vehicle further includes a sunvisor assembly that is mounted to the ceiling structure. The sunvisor assembly has a panel and a swivel rod received by the opening to attach the panel to the ceiling structure. The swivel rod is movable from a first position to a second position upon receiving a predetermined force to the panel. The second position is a position in which the swivel rod is positioned further into the opening of the ceiling structure than when in the first position.

Abstract: An apparatus and method, according to an exemplary aspect of the present disclosure includes, among other things, a switchable glass structure supported within a vehicle and comprised of a plurality of layers. A power source is selectively applied to the switchable glass structure to change the switchable glass structure from opaque to clear. Markings are formed within at least one of the plurality of layers to identify user input areas. A control system includes a circuit configured cooperate with the power source to allow the switchable glass structure to act as a capacitive sensor such that user input to the user input areas can be sensed to change the switchable glass structure between opaque and clear modes.

Abstract: A vehicle characterizes a sunload on the vehicle using an imaging system including at least one camera capturing image data (e.g., without using an ambient light sensor). The image data includes at least a portion of a passenger cabin. A region of interest (ROI) overlay receives the image data and extracts selected image data according to predetermined scene elements of the vehicle environment. An occupant overlay is configured to detect a vehicle occupant represented in the selected image data and configured to generate truncated image data by subtracting image data corresponding to the vehicle occupant from the selected image data. An ambient light model uses environmental parameters including a sun position to estimate an expected sunload range. A mapper generates a sunload map comprising respective sunload values for a plurality of locations on the vehicle according to the truncated image data and the expected sunload range.

Abstract: A vehicle door assembly a first reinforcing bracket, a fastener and a vibration absorbing member. The first reinforcing bracket extends from a forward portion of an inner door panel to a rearward portion of the inner door panel. The first reinforcing bracket has a first main surface. The fastener is attached to the first reinforcing member such that a head portion thereof is spaced apart from of the first main surface. The vibration absorbing member has a main body with a first end and a second end. The first end has a slot that extends from an edge of the first end inward. The slot is dimensioned and shaped for sliding installation on to the fastener such that the first end of the vibration absorbing member is located between the head portion of the fastener and the first surface of the first reinforcing bracket.

Abstract: A vehicle door assembly, having a first frame component including a window frame for a window opening and two opposing lateral frame for defining a frame cut-out and forming a sill portion connecting the two lateral frame portions to one another, a second frame component for strengthening the window frame, the second frame component fixed on the first frame component, and a door module carrier formed from an organosheet and at least partially closes the frame cut-out. The door module carrier forming an edge portion fixed to the sill portion in a longitudinal direction of the sill portion. The organosheet is a supporting structural component and an edge portion thereof is reinforced by a reinforcing structure injection-moulded onto the organosheet and the edge portion thereof strengthens the sill portion of the first frame component where no portion of the second frame component is provided.

Abstract: A hemming structure may include a door, in which the door has an internal panel and an external panel made of different materials, the hemming structure being configured such that each of the internal panel and the external panel is provided with a contact area with end portions of the internal panel and the external panel contacting with each other at the contact area, wherein the contact area includes a first contact area with a sealer applied onto a contact surface between the internal panel and the external panel, and a second contact area extending from the first contact area and being bent to be brought into contact with the internal panel at the first contact area, and the second contact area is provided with a bonding portion at which the internal panel and the external panel are mechanically bonded to each other.

Abstract: A sliding soft-top convertible roof is provided. In another aspect, a convertible roof apparatus including rollers which sandwich a fore-and-aft elongated guide rail therebetween. A further aspect includes roof bow mounted brackets extending between an elongated and stationary guide rail and channels within which move cables for raising and lowering a roof cover, with the brackets being moveably coupled to the guide rail. Still another aspect includes a sport utility vehicle having a passenger compartment and a rear cargo compartment, where a sliding soft-top convertible roof is retractable to a position rear of the passenger compartment, lower than a nominal closed roof surface and above only a forward portion of the cargo compartment.

Abstract: Apparatus and associated methods relate to a modular vehicle roof frame with at least two support members having at an upper end at least one coupling member through which the support member is axially assembled and releasably coupled to a plurality of top frame members such that each top frame member is releasably coupled to a plurality of support members. In an illustrative example, when the frame is assembled the support members may be substantially vertical and the top frame members may be substantially horizontal. When the frame is coupled to a vehicle the coupling members may, for example, be oriented substantially parallel to a longitudinal axis of the vehicle. The frame may be assembled, for example, by alternately assembling top frame members and support members. Various embodiments may advantageously allow a disassembled frame to be stored within a small sized container suitable for various ground shipping services.

Abstract: A vehicle drive apparatus includes: a rotary electric machine disposed on a first axis; a differential gear mechanism disposed on a second axis; an output member disposed on the second axis; an inverter device; and a case. The case is a single-piece case internally including: a first housing chamber housing the rotary electric machine; and a second housing chamber housing the inverter device and divided from the first housing chamber with a partition. At least a specified portion of the output member is housed in the first housing chamber. A location of the specified portion in an axial direction overlaps with the rotary electric machine. The partition is provided between the specified portion and the inverter device.

Abstract: A tractor trailer battery system having a battery compartment containing one or more battery units which house one or more battery cells, electrical leads from the battery units to a trailer mounted controller in electrical communication with a cab mounted controller which is in electrical communication an electric motor or hybrid engine system. The battery system allows for either the trailer mounted controller or the cab mounted controller to provide principal communication to the electric motor or hybrid engine system.

Abstract: A battery pack is placed on a battery frame. The battery frame has a lateral frame which extends in a lateral direction. A connection bracket for connecting the battery frame and a floor of a vehicle is joined to an end of the lateral frame. With the joining of the end of the lateral frame with the connection bracket, a crank shape is formed in the lateral direction. A reinforcement plate functioning as a brace is placed at a corner portion of the crank shape.

Abstract: An electrified vehicle assembly includes a frame that has a passenger side rail and a driver side rail. The assembly further includes a battery support plate and a battery pack. The battery support plate is secured to the passenger side rail and the driver side rail. The battery pack has a plurality of cross-members. To secure the battery pack to the battery support plate, mechanical fasteners each extend through an aperture in the battery support plate to engage one of the cross-members.

Abstract: The invention relates to a vehicle, comprising a rear end, a front end located forwardly of the rear end, a chassis extending between the rear end and the front end, a battery protection structure provided at the rear end of the vehicle, the battery protection structure comprising a frame portion defining an opening for housing a traction battery, the frame portion having a rear side and a front side, and a projecting portion which projects forwardly from the frame portion and which is connected to the chassis at the rear end of the vehicle, wherein the projecting portion is configured to remain in a fixed connection relative to the chassis under normal operating conditions and to move forwardly along the chassis when the rear side of the frame portion is subjected to a forwardly directed impact force which is greater than a threshold force.

Abstract: Provided is a cooling module for a vehicle, and more particularly, a cooling module placed on a side of the vehicle with three-row mounting parts, in which components are mounted, to maximize cooling efficiency and space utilization inside the vehicle.

Abstract: An electric vehicle cooling system, including: a first radiator installed at a vehicle and configured to cool a power unit driven by electrical power; and a second radiator installed at the vehicle, disposed at least at one side in a vehicle width direction, or another side in the vehicle width direction, of the first radiator so as not to overlap with the first radiator as viewed along a vehicle front-rear direction, and configured to cool an autonomous driving control device configured to control autonomous driving of the vehicle.

Abstract: An electric vehicle cooling system, including: a first radiator installed at a vehicle and configured to cool a power unit driven by electrical power; and a second radiator installed at the vehicle, disposed at a vehicle front side of the first radiator, and configured to cool an autonomous driving control device configured to control autonomous driving of the vehicle.

Abstract: A front-end section for a motor vehicle, having at least one air inlet opening for supplying a cooling air volume flow to a cooling module arranged behind the air inlet opening. In the air inlet opening, there is arranged in each case one slat device with multiple adjustable slats which are arranged adjacent to one another and which are each pivotable about a pivot axis between a closed slat position and an open slat position. The slats each have, at their end facing toward the cooling module, an air-guiding element which is configured such that, in an at least partially open slat position, the cooling air volume flow is diverted in the direction of the cooling module by the air-guiding element.

Abstract: A refueling coupling has an annular fitting 101 having a bore 102, bayonet lugs 103 and slots 104 suiting it for connection to a pressure filling nozzle. A flange 122, drilled with screw holes for securement to a fuel tank (not shown), extends out from the fitting 101. Also not shown for the sake of clarity is a tube extending own from the flange. Rods extend down from the flange 122 to a spider 125, with springs bearing upwards onto the underside of a dry-break member 105, through which the rods extend. The rods, springs and spider are within the non-shown tube. On attaching and opening of a pressure filling nozzle to the coupling, the dry-break member 105 is displaced resiliently inwards fuel can flow past this member and into the tank. The dry-break member has a central aperture 111, normally closed by a plug 112, which is threaded externally 114 and carries an O-ring seal 115 above the thread. The central aperture has a plain bore orifice 116 and is threaded 117 below the plain bore.

Abstract: An electric vehicle is comprised of a first driveline equipped with a first electric drive axle assembly having a first electric drive module configured to drive a pair of first wheels, a second driveline equipped with a second electric drive axle assembly having a second electric drive module configured to drive a pair of second wheels and a vehicle control system controlling coordinated operation of the first and second electric drive modules to generate tractive drive torque transmitted to the wheels and provide low-radius turning functionality.

Abstract: Some embodiments relate to a method for setting a cruising mode of a vehicle, wherein a human/machine interface is arranged on a steering wheel of the vehicle for shifting a transmission of the vehicle, this human/machine interface comprising at least one first and at least one second switch segment and at least one switch, wherein the switch segments are arranged on the at least one switch, and in the event that the at least one first and the at least one second switch segment of the at least one switch are activated at the same time the cruising mode is set for the vehicle.

Abstract: A system and method for controlling switching of an electric vehicle to four-wheel drive are provided. The system includes a first motor connected to main drive wheels and configured to output a first torque, a second motor connected to subsidiary drive wheels and configured to output a second torque, a disconnector mounted on an axle shaft for the subsidiary drive wheels, a driver requested torque detector configured to detect a driver requested torque, and a controller configured to release a set output limit of the first motor for a designated time and simultaneously release a set output limit of the second motor when the driver requested torque is greater than or equal to a reference requested torque, and control the first motor to output a maximum torque exceeding the set output limit to the main drive wheels until the disconnector is engaged.

Abstract: The present disclosure is directed to systems and methods avoiding collisions by monitoring the presence and alertness of a person in a vehicle. The alertness of that person may be monitored by identifying actions performed by that person when an automated driving assistant is used in a vehicle. Systems and method consistent with the present disclosure may monitor the alertness of a person that is located in a driving position of a vehicle according to criteria associated with particular individuals or with criteria associated with specific protocols. When a system or method consistent with the present disclosure identifies that a person is not alert, a corrective action may be initiated that reduces likelihood of a collision.

Abstract: In general, the subject matter described in this disclosure can be embodied in methods, systems, and program products for performing vehicle control. A computing system determines a difference between a recent rate of change and a historical rate of change of a rotating vehicle shaft of a vehicle during a vehicle race. The computing system determines that the difference between the recent rate of change of the rotating vehicle shaft and the historical rate of change of the rotating vehicle shaft satisfies a criteria for limiting vehicle power, wherein the computing system changes the criteria for limiting vehicle power during the vehicle race. The computing system sends a signal for receipt by a vehicle component of the vehicle, to cause the vehicle component to limit rotation of the rotating vehicle shaft.

Abstract: A vehicle control apparatus configured to control a driving motor coupled to at least one wheel includes a motor controller, a vehicle speed calculator, and a vehicle speed setter. The motor controller controls the driving motor in a constant speed driving mode. The vehicle speed calculator calculates a first vehicle speed based on a rotation angle of the driving motor. The vehicle speed setter sets, as a driving speed in the constant speed driving mode, a second vehicle speed based on the first vehicle speed and a brake operation amount. The vehicle speed setter sets zero as the second vehicle speed when the brake operation amount exceeds its threshold and the first vehicle speed falls below its threshold, and sets the first vehicle speed as the second vehicle speed when the brake operation amount does not exceed its threshold r the first vehicle speed does not fall below its.

Abstract: Technologies and techniques for calculating an overlay of additional information for a display on a display unit. The overlay of additional information may support the driver in the longitudinal control of a vehicle. The overlaying of the additional information may be configured in the form of augmented reality such that it is calculated in a contact analogue manner in relation to one or more objects in the environment of the vehicle. When approaching a vehicle, a spatially extended animation graphic is calculated, wherein the animation graphic has a grid shape consisting of a plurality of grid elements, which extends from the observer vehicle up to the oncoming or preceding vehicle. The spatial extension is calculated such that the driver of the observer vehicle (10) has the impression of a kinematic or dynamic movement of the spatial extension, such as translation and rotation.

Abstract: A vehicle display device includes a display unit, a surrounding member, and a cover member. The surrounding member is disposed to surround a periphery of the display unit and has an opening at an end on a viewing side. The cover member is disposed on a display surface of the display unit on the viewing side and covers the opening of the surrounding member. The surrounding member does not cover a surface of the cover member on the viewing side in a direction normal to the surface of the cover member. The surrounding member includes an upper surrounding portion located above the display unit. An upper viewing side end of the upper surrounding portion projects from the surface of the cover member in the direction normal to the surface of the cover member by a length of 0.1 mm or more and 2.0 mm or less relative to the surface of the cover member.

Abstract: A method for implementing a full sweep in a digital instrument cluster system without a graphical processing unit (GPU) is disclosed. The method includes displaying a static asset as background for displaying of dynamic assets that point to different position values on the static asset, sequentially retrieving each of a plurality of subsets of dynamic assets such that each subset provides position indicators with a different level of position granularity, wherein an order of retrieving each subset moves from a lowest granularity subset to a highest granularity subset until all of the plurality of subsets of dynamic assets have been retrieved, and performing a full sweep, prior to retrieving of the dynamic assets, by sequentially displaying the dynamic assets from a minimum position to a maximum position of the static asset, and back, the sequentially displaying being based on a highest available granularity of dynamic assets that have been retrieved.

Abstract: A display apparatus of the present disclosure makes association between an image to be displayed in a superimposed manner and an image to be displayed in a non-superimposed manner, when displaying a first image and a second image having the same meaning, while switching between superimposed display and non-superimposed display, thereby, allowing drivers to recognize their association immediately when switching between the superimposed display and the non-superimposed occurs. As a result, AR display that is immediately understandable by drivers while not interrupting driving can be realized.

Abstract: A workstation includes a dashboard for a vehicle having a recess on an upper surface, a first display screen extending from the dashboard, and a second display screen that is deployable between a stowed position within the recess in the dashboard and an extended deployed position aligned proximate to the first display screen. A control arm operatively couples the first display screen with the second display screen, wherein the control arm pivots about a pivot axis to deploy the second display screen proximate to the first display screen. The workstation has a deployable desk that pivots between a stowed position proximate to the dashboard and an extended deployed position forward of the dashboard, wherein the desk in the stowed position covers the second display screen.

Abstract: An off-road vehicle, including: an engine body having a cylinder and a crankshaft that extends in a horizontal direction; and a transmission disposed adjacent to the engine body in a direction orthogonal to an axial direction of the crankshaft in a horizontal direction, in which the cylinder has a center axis inclining to an opposite side to a direction in which the transmission is disposed in a horizontal direction or extending horizontally to the opposite side.

Abstract: A fluid-sealed engine mount controls the movement of an engine mounted to a vehicle body and insulates from vibration. In particular, the fluid-sealed engine mount improves vibration damping performance and dynamic characteristics compared to a conventional engine mount, thereby enhancing noise, vibration, and harshness (NVH) performance.

Abstract: An assembly for power transmission between an output of a drive engine and an input of a transmission. The assembly includes a torque converter and a P2 module that are axially engage and retained for flexibility in assembling of the assembly. The P2 module including a clutch and an electric motor.

Abstract: Power is transmitted between the input shaft and the rotor shaft by the sun gear and the gear meshing. This eliminates the need for bearings to receive radial loads. Further, a thrust bearing disposed between the one axial end surface of the sun gear and the input shaft, and a second ball bearing abutting the other axial end surface of the sun gear are provided. This eliminates the need for a bearing for receiving a thrust load of the sun gear. A terminal block is arranged in a space opposite to the planetary gear device with respect to the electric motor caused by the reduction of the bearing. Therefore, it is possible to dispose the terminal block while suppressing or avoiding the increase in the size of the vehicle drive device.

Abstract: A through the road (TTR) hybridization strategy is proposed to facilitate introduction of hybrid electric vehicle technology in a significant portion of current and expected trucking fleets. In some cases, the technologies can be retrofitted onto an existing vehicle (e.g., a trailer, a tractor-trailer configuration, etc.). In some cases, the technologies can be built into new vehicles. In some cases, one vehicle may be built or retrofitted to operate in tandem with another and provide the hybridization benefits contemplated herein. By supplementing motive forces delivered through a primary drivetrain and fuel-fed engine with supplemental torque delivered at one or more electrically-powered drive axles, improvements in overall fuel efficiency and performance may be delivered, typically without significant redesign of existing components and systems that have been proven in the trucking industry.

Abstract: A controller selectively generates output for display indicative of a recommendation against use of a power outlet in a vehicle with devices external to the vehicle having a power rating greater than a predefined power rating threshold based on a difference between a current state of charge of a battery of the vehicle and a required state of charge for the battery.

Abstract: A vehicle-mounted charging device is provided. The vehicle-mounted charging device includes a main body unit, at least one wireless charging coil and a plurality of wired charging units. The main body unit receives an input power, and provides at least one wireless charging power and a plurality of wired charging powers. The wireless charging coil is coupled to the main body unit for receiving the corresponding wireless charging power, and the wireless charging coil charges a wireless electronic device disposed thereon through electromagnetic coupling. Each wired charging unit includes a wire and an input terminal and an output terminal which are located at two sides of the wire respectively. The input terminal is coupled to the main body unit for receiving the corresponding wired charging power. The wired charging power is transmitted to the output terminal so as to charge the wired electronic device connected to the output terminal.

Abstract: Method for adjusting a transport vehicle for a container handling system, where the transport vehicle comprises two oppositely disposed secondary parts which can be driven electromagnetically as an armature by way of a linear motor system of the container handling system, wherein in a device for adjusting, a first magnetic force of the first secondary part is determined with a sensor, in that a second magnetic force of the second secondary part is determined with the sensor; and in that the first magnetic force and the second magnetic force are compared with one another and/or with at least one reference force, and the two secondary parts are adjusted based thereon at the transport vehicle in such a way that the first magnetic force and the second magnetic force are of the same magnitude.

Abstract: Apparatus and method of producing a virtual after-burn effect using a controller in an electric vehicle, may include receiving, by the controller, vehicle driving information during vehicle driving, determining, by the controller, virtual variable information in an internal combustion engine on the basis of the input vehicle driving information, determining, by the controller, a virtual after-burn effect characteristic on the basis of the virtual variable information in an internal combustion engine, outputting, by the controller, a control signal for producing the virtual after-burn effect on the basis of the virtual after-born effect characteristic information, and controlling, by the controller, an operation of an effect-production apparatus configured for producing the virtual after-burn effect on the basis of the control signal.

Abstract: The disclosure relates to a method for actuating an electrical drive of a trailer vehicle with a towing vehicle. According to an embodiment, the method include the steps of: determining a current mass of the towing vehicle; determining a current drive force of the towing vehicle; determining an acceleration demand in dependence upon the current mass and the current drive force; and, actuating the electric drive via an actuating signal in dependence upon the acceleration demand. The disclosure also relates to a control device for executing the method, a towing vehicle, a trailer vehicle and a semi-trailer truck.

Abstract: Provided is an electric vehicle driving mileage calculation method, comprising the following steps: calculate the energy consumption of a power battery of the electric vehicle per unit driving mileage; obtain the open-circuit voltage (OCv)-battery capacity (Q) reference curve of the power battery; obtain the OCv of the power battery; obtain the currently remaining available energy of the power battery according to the OCv and the OCv-Q reference curve of the power battery; calculate the driving mileage of the electric vehicle according to the energy consumption of the power battery per unit driving mileage and the currently remaining available energy of the power battery, whereby the driving mileage of the electric vehicle which is calculated is more accurate. Also disclosed is an electric-vehicle driving mileage calculation device and an electric vehicle.

Abstract: A system can prevent burning of a vehicle or human injury caused by a fire spread from a battery to a vehicle in the event of a fire in the battery of an eco-friendly vehicle. The system can release a battery from the vehicle such that the battery can be separated and removed from the vehicle when a fire occurs in the battery. The system is operated in response to a control signal of a controller detecting the fire in the battery and by manipulation of a driver, and releases a state of the battery mounted to a vehicle body to release the battery from the vehicle such that the battery can be separated or removed from the vehicle.

Abstract: A method for operating a storage and retrieval unit (3) is specified, in which a rail line (1)/power-supply rail (6) is set to a risk-operation voltage when a risk posed by the storage and retrieval unit (3) is detected. In the storage and retrieval unit (3) the level of the voltage applied to the rail line (1)/power-supply rail (6) is measured and a current path between the rail line (1)/power-supply rail (6) and a drive motor (5, 5a . . . 5c) of the storage and retrieval unit (3) disconnected when the voltage measured is below a threshold value associated with a risk situation. Furthermore, a storage and retrieval unit (3) as well as an automated rack storage system for performing the proposed method is specified.

Abstract: A vehicle power supply device converts power from high voltage to low voltage by selectively connecting a predetermined power storage element group to a low voltage electric load from a high voltage power supply formed by connecting power storage elements in series. A leakage current from the high voltage power supply is measured during the dead time period when the power storage element group is not connected to the low voltage electric load. When the value exceeds a predetermined value, the connection between the power storage element group and the low-voltage electric load is interrupted, so that electric shock is prevented.

Abstract: According to some embodiments, a rail transport vehicle electric energy storage and charging system is presented. The system may include an energy storage sub-system and a charging system having a charging rail which only charges a vehicle when the rail is covered. The system may also include a battery-powered rail vehicle having a rail-contacting charging shoe.