Device for recovering hydraulic energy by connecting two differential cylinders
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United States of America Patent
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Jun 23, 2020
Grant Date -
Dec 21, 2017
app pub date -
Jun 14, 2017
filing date -
Jun 15, 2016
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Abstract
Device for recovering hydraulic energy in a machine comprising at least a first differential cylinder-piston assembly having a differential cylinder with a separate rod and base side, at least a second differential cylinder-piston assembly having a differential cylinder with a separate rod and base side, and at least one hydraulic accumulator that can be hydraulically connected to at least one of the differential cylinder-piston assemblies, wherein the differential cylinder-piston assemblies are mechanically coupled to one another, and wherein the potential energy of at least one of the differential cylinder-piston assemblies retracting under a compressive load can at least partially be stored in the hydraulic accumulator.
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