Hydraulic flow control valve with flow rate setting...

Details Hydraulic flow control valve with flow rate setting... Hydraulic flow control valve with flow rate setting...

2011-01-04

2011-01-04

Bastianelli, John (Department: 3753)

Fluid handling

With indicator, register, recorder, alarm or inspection means

Position or extent of motion indicator

C251S285000, C251S297000

Reexamination Certificate

active

07861741

ABSTRACT:
A hydraulic flow control valve allowing easy adjustment of fluid flow for a variety of hydraulic attachments is disclosed. The hydraulic flow control valve comprises a spool and a flow rate setting adjustment device configured to adjust a flow rate setting of the hydraulic flow control valve by adjusting the amount of travel allowed for the spool. An associated method of operating the hydraulic flow control valve is disclosed.

REFERENCES:
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patent: 2005/0127314 (2005-06-01), Piehl et al.
Information About Hydraulic Flow Control Valve from John Deere Parts Catalog, Catalog 2756, Grid 313, Section 3362, p. 20 (2 Sheets) (1998).
Information About Hydraulic Flow Control Valve from John Deere Parts Catalog, Catalog 2755, Grid 5G3, Section 3362, p. 20 and Photo-Image of Valve (3 Sheets) (1998).
Information About Hydraulic Flow Control Valve from John Deere Parts Catalog, Catalog 2819, Grid 3E1, Section 3362, p. 28 and Photo-Image of Valve (3 sheets) (2001).
Great Britain Search Report dated Oct. 26, 2006 (3 pages).

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