Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Viscosity
Reexamination Certificate
2007-07-03
2007-07-03
Williams, Hezron (Department: 2856)
Measuring and testing
Liquid analysis or analysis of the suspension of solids in a...
Viscosity
C073S054090, C073S054160
Reexamination Certificate
active
11125775
ABSTRACT:
An apparatus and methods for analysis of a petroleum product, specifically determining the viscosity of a sample, are disclose. The apparatus includes a sample reservoir for receiving a liquid sample and a pressure regulator for applying hyperbaric pressure to a sample within the reservoir. When pressure is applied to the sample reservoir, the sample is forced through a passageway and a pressure sensor monitors the pressure in the sample reservoir. A drop in the pressure can be used to determine when the reservoir is empty and sample viscosity can be calculated based on the time required to empty the reservoir.
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Asher William E.
Pope Bradford J.
Zhou Zhou
Doyle Michael P.
Engellenner Thomas J.
Fitzgerald John
Nutter & McClennen & Fish LLP
On-Site Analysis, Inc.
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