To suppress cooling performance from being degraded by bubbles in a coolant in a cooling system for an electric drive vehicle, the cooling system includes: a first coolant circuit through which the coolant for cooling an electric motor and electrical equipment circulates; a first pump that is connected to the first coolant circuit and feeds the coolant; and a first degas tank that is connected to the first coolant circuit and separates the bubbles from the coolant. The first coolant circuit connects the electric motor, the electrical equipment, the first pump, and the first degas tank in series. The first pump and the electric motor are connected in a manner to be sequentially aligned in the first coolant circuit. The coolant flows from the first pump to the electric motor.

An illustrative example embodiment of an auxiliary power system for a transport vehicle includes an APU, at least one circuit configured to supply power from the APU to at least one load, and a circuit protection device associated with the at least one circuit. The circuit protection device is configured to protect against an arc fault condition.

The present application relates to a service battery charging management device and method for power supply of a recreational vehicle, wherein, the service battery charging management device for power supply of recreational vehicle includes: a vehicle generator, a solar cell panel, a MCU main control unit, an input automatic switching unit, a charging main converting DC/DC circuit, a service battery, a PWM mode charging unit, and a load. The MCU main control unit controls the input automatic switching unit according to an output voltage of the solar cell panel and an output voltage of the vehicle generator, which enables the solar cell panel and the vehicle generator to selectively serve as a charging power supply of the service battery to enable the service battery to be kept in an alternative-charging state, so that normal power supply of household electricity consumption of the recreational vehicle can be guaranteed.

A vehicle driven by an electric motor includes a drive unit (16) with at least one electric motor (18), with at least one energy storage device (22) permanently installed in the vehicle and an actuating unit (24) for controlling the flow of energy between the at least one electric motor (18) and the at least one energy storage device (22) permanently installed in the vehicle. An interface (30) has with at least one terminal area (32, 34, 36) for a replaceable energy storage device (38, 40).

A system for regenerating an emissions particulate filter that filters particulates from exhaust generated by an engine of a vehicle. The system includes an electric heater and a generator. The electric heater heats the emissions particulate filter to burn off exhaust particulates that have accumulated on the emissions particulate filter. The generator converts kinetic energy of the vehicle into electricity during regenerative braking of the vehicle. Electricity generated by the generator powers the electric heater. Energy used to power the electric heater can also come from engine load shifting.

The present application relates to a service battery charging management device and method for power supply of a recreational vehicle, wherein, the service battery charging management device for power supply of recreational vehicle includes: a vehicle generator, a solar cell panel, a MCU main control unit, an input automatic switching unit, a charging main converting DC/DC circuit, a service battery, a PWM mode charging unit, and a load. The MCU main control unit controls the input automatic switching unit according to an output voltage of the solar cell panel and an output voltage of the vehicle generator, which enables the solar cell panel and the vehicle generator to selectively serve as a charging power supply of the service battery to enable the service battery to be kept in an alternative-charging state, so that normal power supply of household electricity consumption of the recreational vehicle can be guaranteed.

A self-propelled trailer is provided and includes a frame, a pair of rear drive wheels, a steerable wheel, a drive system, a platform and a lifting device. The frame forms an undercarriage chassis upon which the pair of rear drive wheels and steerable wheel secured to an undercarriage chassis along opposite ends thereof. The drive system includes a power system connected to the pair of rear drive wheels and a control system connected to the steerable wheel. The platform is positioned above and secured to the undercarriage chassis, and includes a planar deck and a subframe extending upward from the undercarriage chassis and spacing the planar deck therefrom. The lifting device is secured to the undercarriage chassis and positioned between the steerable wheel and the pair of rear drive wheels with respect to a length of the frame, and includes a crane extending upward from the frame.

The invention relates to an emergency vehicle (1), especially fire truck, comprising: a vehicle body (2); at least two wheel pairs (3) having respectively at least two wheels (6), which are disposed on the vehicle body (2); an accumulator (10) for storage of electrical energy; a secondary energy unit (7) for conversion of an energy stored in a fuel into electrical energy; at least one electric motor (11).

The secondary energy unit (7) is disposed on a carrier frame (14), wherein the carrier frame (14) is received in modular and detachable manner on the vehicle body (2).

A vehicle driving device mounted on a hybrid vehicle includes an engine coupled to wheels of the vehicle via a power transmission path, a transmission mechanism disposed on the power transmission path, a motor generator, a first power transmission mechanism, and a second power transmission mechanism. The motor generator is disposed on a path coupling the engine and transmission mechanism, the first power transmission mechanism is disposed on a path coupling the engine and motor generator, the second power transmission mechanism is disposed on a path coupling the motor generator and transmission mechanism. These paths are included in the power transmission path. The first power transmission mechanism includes a large-diameter rotator and a small-diameter rotator coupled to the engine and the motor generator respectively. The second power transmission mechanism includes a small-diameter rotator and a large-diameter rotator coupled to the motor generator and the transmission mechanism respectively.

A self-propelled trailer is provided and includes a frame, a pair of rear drive wheels, a steerable wheel, a drive system, a platform, and a lifting device. The pair of rear drive wheels are positioned under the frame along one end thereof, while the steerable wheel is positioned under the frame along an opposite end thereof with respect to the pair of rear drive wheels. The drive system includes a power system connected to the pair of rear drive wheels and a control system connected to the steerable wheel. The platform is positioned above the frame, while the lifting device is positioned between the steerable wheels and the pair of rear wheels. The platform includes a crane extending upward from the frame.