Article
Article
Hydraulic accumulator
Article By:
Anders, James E., Sr. Hydraulics Associates, Bethlehem, Pennsylvania.
Last reviewed:December 2019
DOI:https://doi.org/10.1036/1097-8542.326550
A pressure vessel which operates as a fluid source device or shock absorber. It is used to store fluid under pressure or to absorb excessive pressure increases. The hydraulic accumulator is an energy-efficient component, which allows the use of a smaller pump to achieve the same end results in terms of cylinder rod actuation speeds. In certain circuit designs, the accumulator will permit a pump motor to be completely shut down for an extended period of time while the accumulator supplies the necessary fluid to the circuit.
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