Invention Application
WO2013103954A2 ELECTRO-HYDRAULIC SYSTEM WITH FLOAT FUNCTION 审中-公开
具有浮动功能的电液系统

ELECTRO-HYDRAULIC SYSTEM WITH FLOAT FUNCTION
Abstract:
A method of controlling a float function of a cylinder having a first side and a second side includes connecting the second side of the cylinder to a reservoir; connecting the first side of the cylinder to an output of a pump and to the reservoir; and supplying an amount of flow from a pump less than an amount supplied by the pump under loaded conditions. A three-position directional control valve having a pump port, a reservoir port, a first cylinder port, and a second cylinder port may be provided to effectuate aspects of this method.
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