A contactless charging device for contactlessly charging an energy accumulator of a motor vehicle, wherein the contactless charging device has an interface for coupling the contactless charging device to a power source, wherein the interface is designed for communicative coupling and for wired electrical coupling to a charging station, wherein the charging station is designed for the wired charging of the energy accumulator.

Disclosed are a cable bearing element, an arrangement of cable bearing elements and a method of manufacturing a cable bearing element. The cable bearing element is adapted to position and/or to hold at least one line section of an electric line by providing at least one guiding channel for the section of the electric line. A base of a first section of the guiding channel is arranged within a first plane and a base of another section of the guiding channel is arranged within a second plane, wherein the second plane is parallel to the first plane and spaced apart from the first plane with a first predetermined distance. The guiding channel has a base part and side walls, wherein a geometry or size of the guiding channel is adapted to the diameter of the electric line or cable which is to be arranged within the guiding channel.

A device includes a power transmitting coil that outputs power to a power receiving coil included in a mobile object, a case that includes the power transmitting coil inside thereof, a mobile member arranged on the case at a position overlapping the power transmitting coil, and a circuit that controls the power transmitting coil and the mobile member. The circuit starts to perform an operation to move the mobile member from a position overlapping the power transmitting coil to a position not overlapping the power transmitting coil before the power transmitting coil and the power receiving coil are aligned with each other, and causes the power transmitting coil to output the power to the power receiving coil.

A method and an arrangement are provided for inductive positioning of a current collector on a vehicle relative to a stationary current conductor. The method involves transmitting a signal having predetermined phase characteristics using a signal transmitter arranged along the longitudinal direction of the current conductor; detecting the transmitted signal using a signal receiver on the vehicle, which signal receiver comprises at least one vertical antenna; detecting the phase characteristics of the signal induced in the at least one vertical antenna, indicating the relative location of the vertical antenna and the signal transmitter in the transverse direction of the vehicle; and controlling a positioning arrangement in dependence of the received signals.

A non-contact power feeding device includes multiple power feeding elements that are disposed spatially separated from one another in a movement direction, an AC power supply that supplies AC power to the power feeding elements, multiple power receiving elements that are provided in a moving body and that receive AC power in a non-contact manner, and a power receiving circuit that converts the AC power received by the power receiving elements and that outputs to an electrical load. When a length of the power feeding elements in the movement direction is LT, a separation distance between the power feeding elements is DT, a length of the power receiving elements in the movement direction is LR, and a separation distance between the power receiving elements is DR, the relationship DT≤DR and the relationship (2×LR+DR)≤LT are satisfied.

A system for power feeding during traveling includes a coil for power transmission, a power supply unit which supplies power to the coils, at least one shielding member which shields an electromagnetic field of the coil, and a hole provided to the shielding members.

In a system for an inductive energy transmission from a primary-conductor system, in particular a stationary primary conductor system, to a vehicle having a secondary winding, the secondary winding is inductively coupled with the primary-conductor system. The primary conductor is installed as a primary-conductor loop installed in elongated form, which has a feed conductor and a return conductor in a line section, in particular a return conductor that is installed parallel thereto, and the return conductor is electrically grounded in that at least one inductance is disposed between the return conductor and the electrical ground.

A contactless power feed system includes a first ground power feed device and a second ground power feed device for performing contactless power feed to a moving body. The first ground power feed device transmits a passing signal to the second ground power feed device when entry of the moving body to a first power feed section is confirmed. The second ground power feed device transmits a power feed stop signal to the first ground power feed device when confirmation of entry or approach of the moving body to a second power feed section is not possible even after a predetermined time has elapsed after receiving the passing signal.

A vehicle and a method for controlling a vehicle including a current collector transmitting electric power from a current conductor located in a predetermined position in the surface of a road a distance from one side of the road; a first detecting means generating a signal indicative of the position of the current collector relative to a current conductor reference point; where the current collector is displaceable to track the current conductor in response to the signal; and a second detecting means detecting the position of the current collector are provided. The method involves determining a first distance representing the position of the current collector relative to the current conductor reference point; determining a second distance representing the position of the current collector relative to a vehicle reference point; and determining a distance between the vehicle reference point and the current conductor reference point using the first and second distances to determine a current vehicle position on the road.

A moving body includes a power receiving device configured to receive contactless power feed from a ground power feed device, and a control device. The control device is configured to take a getting-off prevention measure for preventing an occupant from getting off the moving body when the moving body gets into a state of being difficult to move on an electrified road where the ground power feed device is installed.