Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 8, 2019
Patent Application Number
15103447
Date Filed
December 17, 2014
Patent Citations Received
Patent Primary Examiner
Patent abstract
The present disclosure relates to a control circuit and a control method for boom energy regeneration, and the control circuit for boom energy regeneration includes: a control unit which controls a discharge amount control valve, such that the amount of oil, which is discharged from a head of a boom cylinder, is supplied to a regeneration device or a rod of the boom cylinder through a hydraulic regeneration line, and when the regeneration device has an abnormality, the amount of oil, which is discharged from the head of the boom cylinder, is supplied to the main control valve through a hydraulic discharge line.
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