Importance

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Abstract

In a test loop for verification of the compositions of emulsions, precise amounts of the components must be added. A piston temporarily increases the volume of the loop to allow the addition of liquids without spilling or burping out the contents. After loading, the piston is raised to expel air in the loop, then a vacuum pump and very small tubing remove the last vestiges of trapped air. The piston may then be used in conjunction with the vacuum pump to pressurize the system to a desired pressure. Liquid flow is directly against the piston, which is ideally positioned to maintain a turbulence which keeps the components of the emulsion from separating. The piston also allows the addition of small amounts of one component after pressurizing to extend testing capabilities. A liquid injection pump injects a measured amount of a component, while the piston allows expansion of the loop volume within specified limits.

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First Claim