Noninvasive valve monitor using alternating electromagnetic field
One or more electrical coils are carefully located on the outside of a valve body. An alternating current passing through the coil(s) results in an alternating electromagnetic field being transmitted into the valve body and valve internals. The electromagnetic field varies in intensity and polarity...
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Main Authors | , , |
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Format | Patent |
Language | English |
Published |
16.03.1993
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Subjects | |
Online Access | Get full text |
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