Zf Friedrichshafen Ag

Jochen Eggler

Ulrich Kehr

Bernd Vahlensieck

A rotor () for an electric machine () includes a rotor body with multiple poles. Multiple flux barriers () are formed in the interior of the rotor body. The rotor () further includes at least one sensor element () configured for detecting at least one condition variable of the rotor (), a signal processing unit () connected to the at least one sensor element () and configured for generating measured data from the detected condition variable of the rotor () and transmitting the measured data to a control device (), and at least one induction coil () that includes at least one electrical conductor (), is arranged in at least one flux barrier () of the rotor (), and is configured for generating electrical energy from a leakage magnetic field in this flux barrier ().

Rotor for an electric machine and electric machine having a rotor

A rotor () for an electric machine () has a rotor body including multiple poles. The rotor () further has at least one sensor element () for detecting at least one condition variable of the rotor (), and a signal processing unit () connected to the at least one sensor element (). The signal processing unit () is configured to generate measured data from the condition variable of the rotor () and to transmit the measured data to a control device (). Additionally, the rotor () has at least one induction coil (), where each of the at least one induction coil () includes at least one electrical conductor (). The at least one induction coil () is arranged at the rotor () and is configured to generate electrical energy from a magnetic field that is temporally changing during operation of the electric machine ().

A rotor () for an electric machine () includes at least one sensor element () configured for detecting condition variables of the rotor (), a signal processing unit () connected to the at least one sensor element () and configured for generating measured data from the detected condition variables of the rotor () and transmitting the measured data to a control device (), and a nanogenerator () configured for generating electrical energy from at least one surroundings variable and supplying the at least one sensor element () and the signal processing unit () with electrical energy.

Rotor for an electric machine and electric machine having a rotor with rotor having a cooled nanogenerator used to supply power to sensing device

A rotor () for an electric machine () includes at least one sensor element () configured for detecting at least one condition variable of the rotor (), a signal processing unit () connected to the at least one sensor element () and configured for generating measured data from the detected condition variable of the rotor () and transmitting the measured data to a control device (), and at least one induction coil () that includes at least one electrical conductor (), is arranged at least indirectly on an end face of the rotor (), and is configured for generating electrical energy from a magnetic front stray field () rotating in relation to the rotor () during the operation of the electric machine ().

A rotor () for an electric machine () operated with a pulsed voltage, the rotor () having at least one sensor element () for detecting at least one condition variable of the rotor (), and a signal processing unit () connected to the at least one sensor element (), the signal processing unit () generating measured data based on the at least one condition variable of the rotor () and transmitting the measured data to a control device (). The rotor () further having at least one induction coil () at least indirectly supported on an end face of the rotor (), the at least one induction coil () being tuned to a modulation of a fundamental wave field of a magnetic front stray field () formed during operation of the electric machine () with pulsed voltage to generate electrical energy from the fundamental wave field.

Growing community of inventors

Waldburg, Germany

Jochen Eggler