A vehicle auxiliary power supply device mounted in an electric rolling stock and that includes a converter device to convert DC power supplied from a DC power supply into desired DC power, and a three-phase inverter to convert the DC power supplied from the converter device into three-phase AC power and to supply the converted power to a load, wherein a switching element of the three-phase inverter is constituted by a semiconductor module formed of a wide bandgap semiconductor.

The present invention relates to a modular system for electric vehicles that enhances adaptability and functionality through interchangeable modules. This invention provides a swappable data communication modular system that can be utilized on various types of electric vehicles, including electric skateboards, scooters, and bikes. The system includes a mounting system enabling the secure attachment and easy swapping of a variety of modular units. Each module is capable of independently sending and receiving data and power, facilitating sophisticated interactions such as power output adjustments based on battery conditions or customizing operational behaviors based on vehicle speed. The modular units are designed to be housed in cases to protect the internal components. This system promotes customization and innovation, allowing users to tailor electric vehicle functionalities to specific needs and transfer these capabilities between different vehicles, thereby enhancing the overall adaptability and potential applications of electric vehicles.

A modular industrial vehicle having one or more modules that communicate with a managing controller to provide an operating mode for the modular industrial vehicle based configuration and technical specifications of the one or more modules.

This technology relates to a battery device, a control method, and an electric vehicle capable of providing a highly secure anti-theft function. A battery outputs DC power through a power line, a reader/writer communicates by outputting a high-frequency signal through the power line to read authentication information of an electronic device when the electronic device is connected to the battery through the power line, a microcomputer stores the read authentication information and controls the battery when first connection to the electronic device is performed, and performs an authentication process of the electronic device based on the read authentication information and the authentication information stored in the first connection and controls the battery according to a result of the authentication process of the electronic device when second or subsequent connection to the electronic device is performed. This technology may be applied to the battery device mounted on a power-assisted bicycle, for example.

Disclosed are drive systems for a vehicle trailer maneuvering drives, some embodiments having a motor unit and a voltage source for supplying the motor unit, wherein the motor unit comprises a brushed electric motor with motor shaft and a motor controller that may include a speed detection unit for detecting the speed of the motor shaft and a control and regulating unit for the motor, for its voltage supply.

A chassis front assembly, a chassis rear assembly and a chassis intermediate assembly are disclosed. The chassis front assembly and the chassis rear assembly are connected to the chassis intermediate assembly for forming a chassis. A kit is also disclosed. A method is also disclosed.

A notification system for issuing a notification to urge a user to charge a battery of an electric vehicle includes a processor configured or programmed to acquire first border information representing a first border between a first area, encompassing a predetermined point where the battery is chargeable, and an area outward of the first area; acquire positional information representing a current position of the electric vehicle and battery remaining capacity information representing a battery remaining capacity of the battery; and, in a case it is determined that the electric vehicle is inside the first area and the battery remaining capacity is not larger than a first threshold value based on the first border information, the positional information, and the battery remaining capacity information, issue a first notification via a notifier urging the user to charge the battery.

A battery assembly for an electric vehicle is provided that includes a housing, one or more battery units, and a mounting system. The one or more battery units are disposed within the housing. The mounting system is disposed adjacent to a top surface, e.g., on a planar top surface or within an upwardly oriented concavity. The mounting system has a frame member bracket and a housing bracket system. The housing bracket system includes a housing bracket, a load member and a vibration isolator. The housing bracket is configured to be coupled to the frame member bracket. The load member has a first portion disposed adjacent to an upper surface and a second portion disposed along a lateral portion of the housing. The vibration isolator is disposed between the load member and the housing bracket. The vibration isolator is configured to reduce load transmission from the frame member of the vehicle to the housing.

The present disclosure is directed to electric vehicles. A modular electric vehicle includes an electric vehicle chassis that includes an energy storage device, chassis control circuitry, and one or more communication interfaces disposed on an upper surface of the chassis. The chassis further includes an electric motor, suspension and drivetrain to provide an operating vehicle. An electric vehicle includes an internal combustion engine that drives an electric drive motor for charging a vehicle battery The vehicle may be driven solely by electric power, i.e., the internal combustion engine may provide no drive power to the axles of the vehicle and is used primarily for charging the battery. In some embodiments, electric motors may be coupled to one or both of the vehicle axles and the battery may be coupled to one or both the drive motors under control of a controller.

A power management circuit for an electric auxiliary vehicle is provided. The electric auxiliary vehicle includes batteries, a motor, and power receiving ports. The power management circuit includes a transformer, an inductor, primary circuits, a motor driving circuit, and charging-and-discharging circuits. The transformer includes primary windings and a secondary winding. The inductor is coupled in parallel with the secondary winding. Each of the primary circuits provides wireless power from a corresponding power receiving port to a corresponding primary winding at different time periods, and provides electric energy from the corresponding primary winding to the corresponding power receiving port at different time periods. Each of the charging-and-discharging circuits provides electric energy from the inductor to a corresponding battery at different time periods, and provides battery electric energy from the corresponding battery to the inductor at different time periods.