Home >> Tech Briefs >> Manufacturing & Prototyping >> Constant-Differential-Pressure Two-Fluid Accumulator
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An improved design does not rely on the spring rate of the accumulator tank.

A two-fluid accumulator has been designed, built, and demonstrated to provide an acceptably close approximation to constant differential static pressure between two fluids over the full ranges of (1) accumulator stroke, (2) rates of flow of the fluids, and (3) common static pressure applied to the fluids. Prior differential-pressure two-fluid accumulators are generally not capable of maintaining acceptably close approximations to constant differential pressures.

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