Measuring and testing – With fluid pressure – Leakage
Reexamination Certificate
2005-12-27
2005-12-27
Larkin, Daniel S. (Department: 2856)
Measuring and testing
With fluid pressure
Leakage
C073S049200, C073S040000
Reexamination Certificate
active
06978660
ABSTRACT:
A submersible turbine pump includes a power head enclosed in a casing. A vacuum source associated with the submersible turbine pump draws a vacuum in the interior space of the casing. A pressure sensor may be used to monitor the vacuum in the interior space to detect a leak in the power head or the casing. If a leak is detected, an alarm may be generated and the submersible turbine pump may be deactivated.
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Dolson Richard G.
Halla Donald D.
Hart Robert P.
Hutchinson Ray J.
Lucas Richard K.
Gilbarco Inc.
Larkin Daniel S.
Withrow & Terranova , PLLC
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