An electric waterborne transport system is disclosed which includes a plurality of electric power generators deployed over a waterbody, the plurality of electric power generators generating electricity from a renewable energy source, and a power line suspended above a surface of the waterbody and spanning between two distant destinations, the power line receiving electricity from the plurality of electric power generators and transmitting the electricity to a cargo ship to propel the cargo ship to travel along the power line.

An electric waterborne transport system is disclosed which includes a plurality of electric power generators deployed over a waterbody, the plurality of electric power generators generating electricity from a renewable energy source, and a power line suspended above a surface of the waterbody and spanning between two distant destinations, the power line receiving electricity from the plurality of electric power generators and transmitting the electricity to a cargo ship to propel the cargo ship to travel along the power line.

Disclosed are a multi pickup coil for wireless charging of an electric vehicle such as an electric bus or an electric passenger car and industrial equipment while stopping or driving, and a pickup apparatus having the multi pickup coil. The multi pickup coil and the pickup apparatus provide high-capacity and high-efficiency wireless charging per unit area by performing performance enhancement through an optimal design in order to overcome the limitations of a circular pickup coil.

An apparatus in which electric power is generated for an electrical load from differentials in electric field strengths within a vicinity of powerlines includes: a plurality of electrodes separated and electrically insulated from one another for enabling differentials in voltage resulting from differentials in electric field strength experienced there at; and electrical components electrically connected therewith and configurable to establish one or more electric circuits whereby voltage differentials cause a current to flow through the established electric circuit for powering the electrical load. Preferably, the apparatus includes a control assembly having one or more voltage-detector components configured to detect relative voltages of the electrodes; and a processor enabled to configure—based on the detected voltages and based on voltage and electric current specifications for powering the electrical load—one or more of the electrical components to establish an electric circuit for powering the electrical load.

A resistor includes an elongated cylindrical body having nodes and elongated members. The elongated members interconnect the nodes to form openings between the nodes and the elongated members for the flow therethrough of a cooling fluid. The body is configured to receive electric current from a powered system and to conduct and provide electric resistance to the electric current to dissipate at least part of the electric current as heat from the body. The body may be coupled with at least one other resistor of the powered system in one or more of a parallel or series arrangement in an electric circuit.

The invention relates to a method and an arrangement for inductive positioning of a current collector (14; 24) on a vehicle relative to a stationary current conductor (13; 23; 33; 43; 53). The invention involves transmitting a signal having predetermined phase characteristics using a signal transmitter (37; 47; 57) arranged along the longitudinal direction of the current conductor (13; 23; 33; 43; 53); detecting the transmitted signal using a signal receiver on the vehicle, which signal receiver comprises at least one vertical antenna (30; 40; 50a, 50b); detecting the phase characteristics of the signal induced in the at least one vertical antenna (30; 40; 50a, 50b), indicating the relative location of the vertical antenna (30; 40; 50a, 50b) and the signal transmitter (37; 47; 57) in the transverse direction of the vehicle; and controlling the positioning means (25, 26) in dependence of the received signals.

A power transmission device includes a power transmission coil, a magnetically shielded space created by a power transmission-side cancel coil arranged outside the power transmission coil, a moving member configured to move a metal foreign substance, and a moving mechanism configured to move a part or all of an upper surface of the moving member from an area outside the magnetically shielded space into the magnetically shielded space.

A system for wireless power transfer of on-road vehicles is provided herein. The system includes a plurality of base stations; a power transmission line located beneath a surface of a road having a plurality of segments, each segment having at least one pair of coils and at least one capacitor electrically connected via a switch to the coils in the segment; and at least one vehicle having at least one power receiving segment having at least two coils, connected to at least one capacitor, wherein the at least one vehicle further includes a communication transmitter configured to transmit a power requesting signal, wherein the coils of the power transmitting segment are configured to receive the power requesting signal; and wherein each of the base stations is further configured to feed a plurality of the power transmitting segments with current at a resonance frequency, responsive to the power requesting signal.

An apparatus for the charging of an electric battery unit of a vehicle, wherein the apparatus comprises an interface for connecting the battery unit to one or more of: a first electrical contact element of a pantograph and a second electrical contact element of the pantograph. The interface comprises one or more connectors. The connector comprises first and second electrically conductive members. The first electrically conductive member comprises a longitudinal side for electrical contact with one of the first and second electrical contact elements while the second electrically conductive member comprises a longitudinal side for electrical contact with the other one of the first and second electrical contact elements. The first and second electrically conductive members are spaced apart from one another. The connector comprises one holder for holding the first and second electrically conductive members, the holder being attachable to the vehicle. A vehicle including such an apparatus.

A driverless transport vehicle, a conveying system, and a method for transporting piece goods. The driverless transport vehicle overcomes a climbing section equipped with a primary side of an energy transmission device. The driverless transport vehicle, which can be moved individually and autonomously on a conveying plane, has a secondary side for energy pick-up in order, assisted by the energy pick-up, to overcome a height difference of the climbing section and/or a transition between the conveying plane and the climbing section. The formation of a connection between the primary side and the secondary side and the overcoming of the climbing section and of the transition between the conveying plane and the climbing section take place at a throughput speed without a slowing-down.