Importance

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Abstract

An energy efficient fluid pressurization system includes a hydraulic pressure chamber, a piston positioned within an interior cavity of the hydraulic pressure chamber, and a pump that conveys a hydraulic fluid into a portion of the interior cavity of the pressure chamber thereby moving the piston within the interior cavity. Movement of the piston results in compression of a working fluid within a pressure vessel. A motor coupled to the pump drives the pump resulting in conveyance of the hydraulic fluid. The system may detect a change in one or more parameters, caused by a fluctuation in demand for the pressurized working fluid, and vary a speed of the pump in response to the detected change. The one or more parameters include: flow rate of the hydraulic fluid; flow rate of the working fluid; angle of a swash plate of the pump; or any combination thereof.

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First Claim