Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – By vibration
Reexamination Certificate
2006-09-19
2011-11-29
Fitzgerald, John (Department: 2856)
Measuring and testing
Liquid analysis or analysis of the suspension of solids in a...
By vibration
Reexamination Certificate
active
08065907
ABSTRACT:
A testing apparatus comprising a chamber having an inlet and an outlet (16); a measuring device, at least a part of which is provided within the chamber; where the inlet is arranged to direct fluid onto the part of the measuring device within the chamber in order to clean the measuring device during start up. Thus the density or viscosity of drilling mud may be continuously monitored. Some exemplary embodiments include an outlet valve such as a ball valve with a bore defined therein. The bore allows fluid to flow therethrough even in a valve “closed” position and generates the preferred back pressure whilst minimizing the risk that the valve will block. A pressure activated drain valve may also be provided to substantially empty the chamber when not in use.
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patent: WO 01/67098 (2001-09-01), None
patent: WO 2007/034152 (2007-03-01), None
Fitzgerald John
Taft Stettinius & Hollister LLP
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