Patent · US Active

Method for monitoring an electrodynamic machine

US8378645B2 · kind B2 · utility

2Cited by

48References

21Claims

0Family size

Assignee

ALSTOM Technology Ltd · CH

Inventors

Max Hobelsberger · Aesch, CH
Bernhard Mark · Waldshut-Tiengen, DE

Key dates

Filing date	Oct 12, 2010
Grant date	Feb 19, 2013
Priority date	—
Expiry date	Nov 2, 2030

Classification

Technology area (CPC G)Physics
CPC primaryG01R31/343
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A method for monitoring an electrodynamic machine a stator and a rotor arrangement mounted along a rotatable shaft. The rotor arrangement is disposed within the stator and forms an air gap between the rotor arrangement and the stator. At least one sensor is disposed in the air gap and/or within the stator. Measurement signals are detected that are dependent on a magnetic field produced by the electrodynamic machine. The measurement signals are used as a basis for detecting oscillations of the shaft.

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