Spring pack testing and analysis system
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United States of America Patent
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-
Dec 1, 1992
Grant Date -
N/A
app pub date -
Sep 9, 1991
filing date -
Sep 9, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This invention pertains to a method and apparatus for testing the spring pack of a motor operated valve. It incorporates a test stand into which the spring pack is inserted. A horizontal reference plane is attached to the spring pack afterwhich the spring pack is compressed with the vertical displacement of this reference plane being measured. Also measured is the force applied to the spring pack such that afterwards, a comparison of the vertical displacement versus the load applied can be made.
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