Process and device for testing electric motors, in...

Details Process and device for testing electric motors, in... Process and device for testing electric motors, in...

2006-07-18

2006-07-18

Mullen, Jr., Thomas J. (Department: 2632)

Communications: electrical

Condition responsive indicating system

Specific condition

C361S689000, C361S688000

Reexamination Certificate

active

07079039

ABSTRACT:
The invention concerns a device for and a process for testing electric motors, in particular fan motors, for functionality, wherein electromagnetic alternating fields produced by an electric motor are received by an antenna, wherein the received signals are analyzed for signal components in the frequency range of the rotation value of electric motors or their harmonics via an analysis unit, and wherein upon determination of functionality the results are indicated by an indicator unit.

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Nienhuis, R. & Siegel J.M. “Analysis of Head Movement and Position Using Hall Effect Devices” 1989, Pergamon Press plc, Physiology & Behavior, vol. 45 pp. 199-203.

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