Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 18, 2007
Patent Application Number
10878869
Date Filed
June 28, 2004
Patent Primary Examiner
Patent abstract
The present invention discloses a hydraulic cylinder suspension method for actively controlling shock-induced vibration when a hydraulic cylinder in a construction vehicle makes a sudden stop, the method comprising the steps of: determining whether the hydraulic cylinder makes a sudden stop; receiving a pressure signal; determining an operational direction of the hydraulic cylinder during a sudden stop of the hydraulic cylinder; and supplying hydraulic fluid to large and small chambers of the hydraulic cylinder or returning to a tank.
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