Siemens Aktiengesellschaft

Wampfler Aktiengesellschaft

Institut Fur Automation Und Kommunikation E.v.

Rudolf Mecke

Mathias Wechlin

Christian Rathge

Roland Winterhalter

A device for contactless transfer of energy and data. One embodiment includes a primary coil assembly on a first support and a secondary coil assembly on a second support, the supports rotatable in relation to one another, the primary and secondary coil assemblies having an energy coil for inductive transfer of electric energy. To minimize interference in data transfer, the primary and secondary coil assemblies may include at least one data coil for inductive data transfer wherein at least one winding of the data coil surrounds at least one winding of the energy coil so that a first section of the data winding is wound in the wound direction of the energy coil and a second section of the data winding is wound in a direction opposite the wound direction of the energy coil.

Inductive rotary transfer device

The invention relates to a device for the inductive transmission of electrical power, comprising a power line which is situated on the primary side of said device and which consists of two wires which are guided in a parallel manner relative to each other. Power can be drawn from line by at least one mobile consumer, which is situated on the secondary side, by means of inductive coupling. Said device is provided with a data line which is situated on the primary side for the additional inductive transmission of data to and/or from the consumer. Said data line consists of two wires which are guided in a parallel manner relative to each other. Each of the data line wires is arranged adjacent to one of the two power line wires and in a manner that is symmetrical to a plane. The cross section of the conductor of the adjacent wire of the energy line is also symmetrical relative to the plane. The inductive coupling between the power line and the data line can be thus kept very low, and simultaneously enables the inductor, which is to be provided on the secondary side for the magnetic coupling with the data line, to be integrated into or mounted on the energy-transmitting consumer. The data line can be fixed to the power line or both lines can be integrated therewith in a common cable.

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Magdeburg, Germany

Rudolf Mecke