Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 12, 2017
Patent Application Number
14777823
Date Filed
March 19, 2014
Patent Citations Received
Patent Primary Examiner
Patent abstract
Disclosed are a hydraulic system for construction equipment and a method of controlling the same, and the hydraulic system for construction equipment includes: a plurality of pressure control-type hydraulic pumps driven by an engine provided in construction equipment; an actuator driven by working oil discharged from the hydraulic pump; a closed center-type main control valve provided between the hydraulic pump and the actuator, and bypassing a virtual flow rate; and a controller configured to control the hydraulic pump by receiving the bypassed virtual flow rate from the main control valve.
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