Method and system for storing and reusing hydraulic energy
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United States of America Patent
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Jun 13, 2017
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app pub date -
Dec 29, 2015
filing date -
Dec 29, 2015
priority date (Note) -
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Abstract
A method for storing and reusing hydraulic energy in a machine is disclosed. The method includes transferring the hydraulic energy from an actuator to an upstream side of a motor pump via a first valve, during a normal mode. The method includes directing excess hydraulic energy from a downstream side of the motor pump to an accumulator by opening an accumulator valve and closing a bypass valve, during an energy saving mode. The method includes retrieving stored hydraulic energy from the accumulator to the upstream side of the motor pump by opening the accumulator valve, during an energy discharging mode.
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