Measuring and testing – Specific gravity or density of liquid or solid – With weighing feature
Patent
1981-03-09
1983-02-22
Gill, James J.
Measuring and testing
Specific gravity or density of liquid or solid
With weighing feature
141326, G01N 904
Patent
active
043744745
ABSTRACT:
A fluid density measuring apparatus for measuring the density of a fluid in a pressurized state. The apparatus includes a balance arm, a fulcrum for supporting the balance arm, a balance weight slidably disposed on the balance arm, and a pressurizable container disposed on the balance arm for holding a fluid sample. A valve is connected to the pressurizable container for allowing pressurized fluid to flow into the container and for retaining the fluid in the container under pressure. A pump is provided for supplying pressurized fluid to the valve. The pump includes a pump body having a cylindrical bore disposed therein and an outlet port for communicating the bore with the valve. The pump also includes a rotatable piston member, threadedly engaged with the pump body, for pressurizing fluid contained in the bore of the pump body upon rotation of the piston member relative to the pump body. One alternative embodiment is suitable for both pressurized and non-pressurized fluid density measurements. A second alternative embodiment incorporates the pump in a threaded cover for the container, thereby eliminating the valve member.
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Beavers Lucian Wayne
Duzan James R.
Gill James J.
Halliburton Company
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