Apparatus for impact testing for electric generator stator...

Details Apparatus for impact testing for electric generator stator... Apparatus for impact testing for electric generator stator...

2008-06-04

2010-06-29

Caputo, Lisa M (Department: 2855)

Measuring and testing

Inspecting

C073S012090, C073S012120, C180S009210, C180S009480

Reexamination Certificate

active

07743675

ABSTRACT:
A remote-controlled dynamoelectric machine inspection vehicle that can fit and travel within a narrow air gap between a stator and rotor of a dynamoelectric machine. The inspection vehicle has an effectuator that can remotely activate a hammer driven by a high pressure pneumatic three-stage miniature piston that propels the hammer against a stator slot wedge creating an impact force that causes the wedge to vibrate. The vibrations are sensed to determine the tightness of the wedge.

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