Hydraulic Pressure Circuit and Working Machine
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United States of America Patent
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Issued Date -
Aug 18, 2016
app pub date -
Nov 4, 2014
filing date -
Nov 4, 2014
priority date (Note) -
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Abstract
Provided is a hydraulic circuit capable of saving a pump flow rate while hydraulic fluid is being accumulated in an accumulator. The hydraulic circuit has: a couple of boom cylinders that simultaneously operate the same operation by the hydraulic oil supplied under pressure from main pumps; an accumulator in which pressure of the hydraulic oil is accumulated; a pressure accumulating circuit that accumulates the pressure of the hydraulic oil extruded from one boom cylinder in the accumulator; and a regenerating circuit that regenerates the hydraulic oil extruded from the other boom cylinder to the boom cylinders.
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