Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 17, 2015
0Patent Application Number
122611950
Date Filed
October 30, 2008
0Patent Citations Received
Patent Primary Examiner
Patent abstract
In open-circuit hydraulic systems (1), the cross-sections of the supply lines (6) and input valves of the hydraulic pump (3) have to be large, so that sufficient flow flux can be provided. This hinders a reduction of the size of the pump and the whole hydraulic system. It is suggested that the supply flow (7) of a hydraulic pump (3) is charged by a second, charging pump (2), to a mid-pressure level (7). The cross-sections of the supply flow areas can thus be decreased.
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