Audi Ag

Reinhard Peer

Björn Elias

Tobias Grassl

Achim Enthaler

Nicholas Schmitt

Stefan Niemand

Matthias Hardt

Bjoern Elias

Gernot Rüb

A method for operating an electric charging device for an electrically drivable motor vehicle. The electric charging device has a ground unit for positioning in the ground and for generating an alternating magnetic field for an electric charging operation. The method includes sensing a motor vehicle within a predefined perimeter surrounding the ground unit; sensing a driving parameter value of at least one driving parameter of the sensed motor vehicle at at least one respective predefinable point in time; storing the at least one driving parameter value if an electric charging operation is carried out for the detected motor vehicle; determining a driving recommendation on the basis of the at least one sensed and stored driving parameter value; and transmitting the driving recommendation if another motor vehicle is sensed within the predefined perimeter surrounding the ground unit.

Method for operating an electrical charging device and driving recommendation for an electrically driveable motor vehicle and electric charging device and motor vehicle

The disclosure relates to a method for determining position information of a motor vehicle, which has an inductive charging device with at least one charging coil, which is in particular situated in the region of the bottom of the vehicle, and a measurement means which is assigned to the charging coil to measure a magnetic field, the method having the following steps: magnetizing, by supplying current to the charging coil, at least one magnetic structure which is situated in or on a surface on which the motor vehicle drives, wherein the structure and further structures are stored together with a position indication for the respective structure in a digital map; measuring, using the measurement means, measurement data which describe the magnetic behavior of the structure; identifying the structure by evaluating the measurement data; and determining the position information depending on position indication assigned to the identified structure.

Method for determining position information of a motor vehicle, and motor vehicle

A contactless motor vehicle-charging device which, as components, includes a primary side and a secondary side, between which, via at least one air gap, energy can be transferred via inductive and/or capacitive coupling, and each of the components in each case includes at least a portion of a control circuit of the contactless motor vehicle-charging device, wherein at least one of the components includes a field controller and at least one of the components comprises a field measurement device which is designed to acquire a magnetic and/or electric field strength, wherein the field controller is designed to use in at least one control operation the acquired field strength as an actual value and, by this actual value and a predetermined setpoint value, to set at least one field strength of the contactless motor vehicle-charging device as a control variable.

Contactless motor vehicle-charging device, component of a contactless motor vehicle-charging device, method for controlling a contactless motor vehicle-charging device and a motor vehicle having a contactless motor vehicle-charging device

The disclosure relates to a method for charging a battery of a motor vehicle by an external charging station and to a motor vehicle which is designed to carry out such a method. The method includes the following steps which occur before coupling the motor vehicle to the charging station for charging the battery of the motor vehicle: first, on the basis of charging station data received by a motor vehicle, data which characterizes a current maximum charging capacity of the charging station, it is verified whether a predetermined charging state of the battery of the motor vehicle can be achieved by the charging station within a predetermined time. If the predetermined charging state of the battery cannot be achieved, a warning signal is issued.

Method for charging a battery of a motor vehicle by an external charging station and motor vehicle designed to carry out such a method

The invention relates to a component of an inductive energy transmission apparatus, wherein the component includes an object recognition apparatus having at least a first and a second electrical inductance, wherein the first electrical inductance is formed by an energy transmission coil of the component, which can be acted upon by a predetermined measurement current, and the component comprises a measurement apparatus, an energy transmission unit and an evaluation apparatus.

Component of an inductive energy transmission apparatus with object recognition and method for operating an inductive energy transmission apparatus

A charging device for inductively charging an electrical energy store of a motor vehicle, having a primary coil, which is designed for inducing a voltage in a secondary coil of the motor vehicle for charging the electrical energy store, and having a lifting mechanism which is designed to move the primary coil between a stowage position and a charging position. A power electronics of the charging device is coupled in heat-conducting manner to the lifting mechanism.

Charging device for inductively charging an electrical energy store of a motor vehicle and method for operating a charging device

A charging device for inductively charging an electrical energy store of a motor vehicle provided with a primary coil, which is designed to induce a voltage in a secondary coil of the motor vehicle for charging the electrical energy store, and with a lifting mechanism, which is designed to move the primary coil between a stored position and a charging position. The charging device is provided with a control device, which is adapted for operating the lifting mechanism in a deicing mode in which the lifting mechanism is moved according to a predeterminable movement cycle between the stored position and the charging position.

A charging device for inductively charging an electrical energy store of a motor vehicle that is provided with a primary coil which is designed to induce a voltage in a secondary coil of the motor vehicle in order to charge the electrical energy store, and with a lifting mechanism, which is designed to move the primary coil between a stored position and a charging position. The charging device is provided with at least one heating conductor, in particular a heating wire, which is arranged on the lifting mechanism and which can be controlled by a control device of the charging device. The invention further relates to a method for operating a charging device.

A method for ascertaining positional data describing a position of a motor vehicle relative to a stationary charging device as a destination. At the charging device end, a plurality of electromagnetic transmission signals are emitted from respectively different transmitting positions that are arranged in a transmitting position pattern and have respectively at least one signal characteristic that can be differentiated by the motor vehicle during reception. After which, for each reception signal received, signal strength data that describe its reception strength are produced, and the positional data are determined from the data, taking into consideration transmitter information describing the transmitting position pattern and an assignment of the transmitting positions to the signal characteristics.

Method for ascertaining positional data describing a position of a motor vehicle relative to a stationary charging device as a destination, and arrangement consisting of a motor vehicle and a stationary charging device as a destination

A charging device for inductively charging an electrical energy store of a motor vehicle, having a primary coil, which is designed for inducing a voltage in a secondary coil of the motor vehicle for charging the electrical energy store; and having a lifting mechanism, which is designed for moving the primary coil between a stowage position and a charging position. The charging device has a fan unit, which is arranged in such a way that an air flow that can be produced by the fan unit flow around a power electronics of the charging device, and subsequently flows to the lifting mechanism.

A charging station for motor vehicles, including a primary coil for inductive transmission of energy to a battery of a motor vehicle and a metal detector. The metal detector is designed to detect a motor vehicle arranged above a charging station surface of the charging station. The charging station is provided with a transmitting device which is designed to transmit an occupancy signal if it is detected by the metal detector that a motor vehicle is arranged above the charging station surface.

Charging station for motor vehicles and method for operating a charging station

A charging device for inductive transfer of electric energy with a primary conductor arranged in a first housing, by which an alternating magnetic field can be generated when it is energized with an alternating current, electrically connected to a power source that is electrically connectable to a power electronics device for energizing the primary conductor with an alternating current. A drive means for moving the first housing from a first position to a second position, wherein the charging device is equipped with a fault detecting device, by which can be detected whether the first housing is or is not moved when a movement operation has been initiated by the drive means.

Charging device for the inductive transmission of electrical energy and method for operating the charging device

A method for supporting a driver during a positioning of a motor vehicle for charging an electrical energy storage of the motor vehicle, includes detecting a charging device for charging the energy storage of the motor vehicle in a vicinity of the motor vehicle; determining a position of the charging device relative to the motor vehicle; determining whether the charging device is located within an activation region that is defined in relation to the motor vehicle as a function of a distance of the charging device to a vehicle-fixed reference point and a direction in which the charging device is located relative to the reference point; and operating the display device in a positioning mode in which the display device displays information regarding the positioning of the motor vehicle relative to the charging device, when the charging device is located in the activation region.

Method for supporting a driver during the positioning of a motor vehicle

An apparatus inductively transmits electrical energy from a primary coil, which is arranged in a stationary unit, to a secondary coil, which is arranged in a vehicle. The primary coil and/or the secondary coil have or has at least one switchable coil tap for adjusting a coil length which is active for the inductive energy transmission.

Device for the inductive transmission of electric energy

The invention relates to a motor vehicle (), comprising an electrical energy storage device () chargeable via an external charging device (), and a charging cable () for connecting the motor vehicle () to the charging device (), wherein the motor vehicle () further comprises a detection device for wireless detection of the presence of the charging cable () in at least one region of the motor vehicle () and a control unit () communicating with the detection device. The control unit is designed, in particular upon start-up of the motor vehicle (), to inform a driver and/or to block vehicle operation when the detection result indicates the absence of a charging cable ().

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Gaimersheim, Germany

Reinhard Peer