Control valve with load sense signal conditioning

Fluid handling – Systems – Multi-way valve unit

Reexamination Certificate

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Details

C137S625690

Reexamination Certificate

active

07921878

ABSTRACT:
A control valve comprises a valve body having a fluid inlet and at least one work fluid outlet for supplying pressurized fluid to the fluid operated device. A valve member is movable in the valve body in a first direction from a null position to a full flow or open position for supplying flow of pressurized fluid from a feed passage to a work fluid outlet. The valve member has a load sense signal shaping device that provides for initial flow from the feed passage to the work fluid outlet through a metering orifice during movement of the valve member from the null position to the full flow open position so as to shape an initial boost pressure signal.

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patent: WO 2005/017364 (2005-02-01), None

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