Patent · US Active

Inductively electrically excited synchronous machine

US12166388B2 · kind B2 · utility

0Cited by

2References

13Claims

0Family size

Assignee

Mahle International GmbH · DE

Inventors

Thorsten Grelle · Karlsruhe, DE
Peter Kozlowski · Plochingen, DE
Penyo Topalov · Stuttgart, DE
Philipp Zimmerschied · Stuttgart, DE

Key dates

Filing date	Oct 18, 2022
Grant date	Dec 10, 2024
Priority date	—
Expiry date	Oct 18, 2042

Classification

Technology area (CPC H)Electricity
CPC primaryH02P25/18
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An inductively electrically excited synchronous machine is disclosed. The synchronous machine includes a rotor including at least one rotor coil for generating a magnetic rotor field, a stator, on which the rotor is rotatably mounted about an axis of rotation, and including at least one stator coil for generating a magnetic stator field, and a rotary transformer for inductively transmitting electrical energy to the at least one rotor coil. The rotary transforming includes at least one stator-fixed transformer primary coil and at least one rotor-fixed transformer secondary coil. A machine controller is coupled to the stator coil and to the at transformer primary coil for operation as a motor and/or as a generator. A demagnetizing circuit is provided that includes at least one dynamo winding arranged on the stator. The demagnetizing circuit has at least one switching device for activating and deactivating the demagnetizing circuit.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.