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[CN 201680038802.9] hydraulic unit and method of operating the hydraulic unit
[CN 201680038802.9] hydraulic unit and method for operating the hydraulic unit title: hydraulic unit and method for operating the hydraulic unit application number: CN 201680038802.9 applicant: SMS group co., ltd. application date: 2016-6-30 patent type: invention application for a hydraulic unit that can be operated by various forces. in the hydraulic unit, the working medium is selectively delivered to the master cylinder and at least one drive cylinder by means of a pump-piston accumulator system, wherein at least in one working stroke the pump system of the pump-piston accumulator system is used to supply the working medium to the piston accumulator of the pump-piston accumulator system, and then at least in this working stroke at least the master cylinder is filled with working pressure from the piston accumulator, and in which at least in the return stroke the at least one drive cylinder is filled with the return stroke pressure from the pump-system accumulator system, the hydraulic unit can be of structurally simple construction if, under reduced force, the working pressure is reduced relative to the piston accumulator pressure present in the piston accumulator.
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