A method of operating a wireless charging assembly for wirelessly charging a device. The method includes detecting the device located adjacent to a wireless charging assembly and detecting a foreign object adjacent to the wireless charging assembly by measuring a weight of the device with a scale…
Systems and methods are described herein for facilitating the switching of a power transfer direction in wireless power transfer systems. A ground unit comprises: one or more power transfer coils configured for providing wireless power transfer on an inductive power transfer frequency band; one or…
A method of operating a vehicle fleet includes identifying, by a fleet controller, a first vehicle within a vehicle fleet as a charger vehicle, identifying, by the fleet controller, a second vehicle within the vehicle fleet as a vehicle to be charged, navigating, by a controller of the charger…
Methods and systems for precision charging control of a vehicle include at least a wireless charging antenna carried by a vehicle and in electrical communication with a vehicle propulsion system. A plurality of wireless charging antennae is associated with a charging surface and is in communication…
Methods and systems for charging an electric vehicle (EV) are described herein. An EV may require additional battery power to reach a charging station. A remote server in communication with the EV or an on-board computer or mobile device in the EV may obtain data to determine a location for the EV…
A power supply device includes a first coil part and a second coil part, a power transmission request part configured to transmit a power transmission request to the movable object, a power reception information acquisition part configured to acquire first power reception information of the first…
A Distributed control method and a distributed communication system for wireless charging of an electric vehicle in moving are provided. For electric vehicle moving on roads in which segmented power supply lines are buried, wireless charging is provided by controlling the switching of power supply…
A power supply device includes: a power transmission coil unit; and a display unit displaying a mark indicating a power supply position of the movable object. A power transmission coil region of the power transmission coil unit has a point-symmetric shape with respect to a center of the power…
A method for the exchange of electrical energy between at least two moving, electrically powered vehicles, comprising the steps: providing a first and a second electrically powered vehicle, having a respective electrical energy store, the energy store of the first and the second vehicle can emit or…
[Problem] To prevent an unnecessary electromagnetic wave from being radiated from a power transmission element. [Solution] In a wireless power transfer system that transmits power through electromagnetic wave from a power transmission element 21 of power transmission equipment to a power receiving…
A power supply device controller 11a of a power supply device 4a and power supply device controllers of power supply devices 4b, 4c validate a time t for detecting the output time of the validation power with output times ta, tb, tc of the validation power, respectively. Because the time t for…
The invention relates to a shielding (1a..1d) made of a material with a magnetic conductivity or permeability of µr ≥ 4, in particular made of ferrite, for an annular transmitting coil/receiving coil (10) of a contactless energy transfer system (12). The shielding (1a..1d) encloses in a trough-like…
The invention relates to a device for a security system of a vehicle (1), in particular for a keyless activation of a locking device of the vehicle (1), having a communication device (20) for communication with a mobile identification transmitter (100) by means of a radio signal (F) with a radio…
Method for positioning a motor vehicle in a charging position suitable for contactless charging of an energy storage device of the motor vehicle by means of a charging plate, comprising the steps: a. detecting a first position information describing the relative position of the charging position to…
Method for positioning a motor vehicle in a charging position suitable for contactless charging of an energy storage device of the motor vehicle, comprising: a) detecting marking sensor data, wherein the marking sensor data describe a marking that is fixedly arranged in the surroundings of a…
The subject matter of the invention is a receiving device (10) for accepting electrical energy from an electrical energy-conducting device laid in a drivable surface (12) for charging electrical storage units in a vehicle, wherein the receiving device (10) comprises a current collector (18) which…
The invention relates to a primary part of a charging device, in particular for the inductive transmission of energy from a primary coil (2) of the primary part (1) to a secondary coil of an at least partially electrically operated vehicle. The primary coil (2) is connected to charging electronics…
Disclosed is a noncontact power transmission system including a power transmission device (15) for transmitting power to a power receiving device in a noncontact manner. The power transmission device includes a cover (18) covering a portion of an outline of the power transmission device where the…
Method for positioning a vehicle into a position of optimal coupling between a primary winding (71) and a secondary winding in a system for contactless transmission of energy from the primary winding (71) to a vehicle comprising a secondary winding inductively couplable to the primary winding (71)…
The invention concerns a method for determining direction information for guiding a vehicle (100) to a predetermined position depending on the reception of a first predetermined radio signal comprising - detecting a second predetermined radio signal at a first receiver (121), - detecting the first…
Provided is an electric power transmission system that can efficiently transmit electric power when a battery 204 is charged in a power receiving-side system. [0002] An electric power transmission system 100 of the present invention is characterized by at least comprising: a power transmission…
A charging station includes a plurality of electric power transmission portions (700A, 700B) and a power supply ECU (800). When a second vehicle (10B) is parked at a position where it can receive electric power from a first electric power transmission portion (700B) and when the second vehicle…
A power feeding coil unit includes a power feeding coil, and first and second auxiliary coils located outside of the region defined by a wire of the power feeding coil. The axis of the first auxiliary coil and the axis of the second auxiliary coil are substantially perpendicular to the axis of the…
This wireless charging device is configured such that after charging of a portable terminal by a charging coil (8) is completed, a controller (10) drives motors (28, 33) to move the charging coil (8) to a position where the center of the charging coil deviates from the centers of multiple position…
A non-contact power transmission device equipped with a ground-side device and a vehicle-side device. The ground-side device has a primary-side coil to which alternating-current power is input. The vehicle-side device includes a secondary-side coil, a battery, a secondary-side matching device, and…
Method for generating a shared secret (K) between an electric vehicle (1) and a controlling entity (2) of a charging station (3) designed for charging the electric vehicle (1), wherein the shared secret (K) is generated by means of a data exchange (8) between the electric vehicle (1) and the…
There is provided a shield case allowing efficient power delivery while ensuring environmental resistant such as strength and waterproof and provided a contactless feed system using the shield case. A contactless feed system includes: a feed-side device (3) installed in a fixed body (2); a…
A wireless charging system includes a first winding portion (15), a second winding portion (18) which is disposed with an interval between the first winding portion and the second winding portion in an axis (17) direction of the first winding portion, and a pair of magnetic members (23, 14) which…
In order to provide an electric power transmission system capable of curbing a reduction in power transmission efficiency, an electric power transmission system of the present invention, which transmits electric energy via an electromagnetic field from a power transmission antenna (140) to a power…
In wireless power transfer, to perform power supply to a power receiving device by selecting a power transmission device appropriately, a power receiving device 20 transmits request-power to a plurality of power transmission devices 10, the request-power being power the power receiving device…