Hydraulic control assembly
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United States of America Patent
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-
Oct 9, 2012
Grant Date -
Apr 16, 2009
app pub date -
Apr 13, 2007
filing date -
Apr 21, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A hydraulic control assembly, in particular for controlling hydraulic consumers of a mobile machine, includes a load reporting line (26) that can be subjected to the highest load pressure of a plurality of hydraulic consumers, triggered simultaneously each via a respective main control valve (38, 57), and that is connectable by an end portion (26a) to a pump regulator (25). A pressure limiting valve (50) limits the control pressure in the end portion (26a) of the load reporting line (26). The pressure limiting valve (50) is adjustable as a function of the magnitude of a pilot control signal serving to trigger a main control valve (38, 57).
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