A hydraulic accumulator is a pressure storage reservoir in which an incompressible hydraulic fluid is held under pressure applied by an external source of mechanical energy, which can be an engine, a spring, a raised weight, or a body of compressed gas. By storing pressurized fluid ready for release, an accumulator lets a hydraulic system meet fluctuating demand using a smaller pump than continuous peak demand would otherwise require, respond quickly to short-lived surges in demand, and smooth out pressure pulsations in the system, functioning in effect as an energy storage device for the hydraulic circuit. Compressed gas accumulators, also called hydro-pneumatic accumulators, are by far the most common type in use.
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Classification
MaturityTRL 9: Actual System Proven in Operational Environment 1 Technology TypePressure storage reservoir 1 Sources
1. Wikipedia: Hydraulic accumulator
Intro, sentence 1
A Hydraulic accumulator is a pressure storage reservoir
Technology maturity, entity description (description property itself uncited on this atlas; cited against the entity's own live or freshly minted Wikipedia source instead)
Compressed gas accumulators, also called hydro-pneumatic accumulators, are by far the most common type in use.
In Group: Mechanical and Gas Storage Systems, Lead
A Hydraulic accumulator is a pressure storage reservoir in which an incompressible hydraulic fluid is held under pressure that is applied by an external source of mechanical energy.
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