Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 4, 2008
Patent Application Number
10521212
Date Filed
July 15, 2003
Patent Primary Examiner
Patent abstract
The invention concerns a hydraulic system comprising at least one hydraulic drive means (1), a conduit system (10) connected to the hydraulic drive means for conveying hydraulic liquid to and from the hydraulic drive means, where the conduit system comprises a conduit circuit (11) containing hydraulic liquid, connected to the hydraulic drive means, a pump (12) for generating a flow of hydraulic fluid in the conduit system and a motor (13) to power the pump. The pump (12) is arranged to control the flow of hydraulic liquid in said circuit (11), and the hydraulic drive means (1) is controllable substantially only by controlling the flow of hydraulic liquid in said circuit (11) by means of the pump (12).
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