Method and system for ripple-spring compression assessment

Measuring and testing – Spring testing

Reexamination Certificate

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C073S818000

Reexamination Certificate

active

11153126

ABSTRACT:
A method and system for directly measuring the compression of a ripple spring (23) in a dynamoelectric machine through a corresponding wedge (27). A compression-assessment tool (3) is provided that includes a carriage (32) for supporting a proximity sensor (34). The carriage (32) enables the proximity sensor (34) to be passed over the length of the ripple spring (23), which produces an output signal that is representative of the compression of the ripple spring (23).

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patent: 6631335 (2003-10-01), Lusted et al.

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