Hydraulic control arrangement
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United States of America Patent
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Jan 18, 2011
Grant Date -
Aug 28, 2008
app pub date -
Oct 6, 2005
filing date -
Oct 6, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention discloses a hydraulic control arrangement for controlling a number of consumers, particularly of a mobile working machine. In addition to the consumers of the control arrangement, an additional consumer should be able to be connected to a power beyond port. All consumers and power beyond consumers are supplied with hydraulic fluid by a pump. An input pressure scale is provided downstream of the pump, and the greater of the load pressures of the consumers or of the at least one power beyond consumer is applied to the control port of said input pressure scale.
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