Fluid power accumulator using adsorption

The invention relates to a fluid power accumulator in which the fluid undergoes a state change as the system is pressurized to store energy. A state change can be a phase change, a chemical reaction, or a combination of these. Generally the state change results from the interaction of a compressible...

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Bibliographische Detailangaben
Hauptverfasser: LYMAN, JR. RICHARD RANDEL, KUZNICKI STEVEN M, HUMMELT EDWARD JOHN, KABOORD WAYNE SCOTT, BRIGGS ROGER JAMES, TALU ORHAN
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The invention relates to a fluid power accumulator in which the fluid undergoes a state change as the system is pressurized to store energy. A state change can be a phase change, a chemical reaction, or a combination of these. Generally the state change results from the interaction of a compressible fluid contained in the accumulator with another substance, which can be a fluid or a solid. Preferably, the state change includes the physical adsorption of a fluid by a solid adsorbant. The invention can improve the energy storage density of a fluid power accumulator, allow a given energy storage density to be achieved at a lower maximum pressure, facilitate heat transfer and storage within an accumulator, and/or improve accumulator efficiency by storing energy in a form other than thermal energy, such as in the form of chemical energy.