Volumetric-controlled smart valve

Details Volumetric-controlled smart valve Volumetric-controlled smart valve

2004-10-04

2010-12-07

Lee, Kevin L (Department: 3753)

Fluid handling

Systems

Programmer or timer

C137S460000

Reexamination Certificate

active

07845369

ABSTRACT:
A volumetric metering smart valve shuts down automatically when a certain amount of liquid has passed through the valve. This valve has a water wheel which is rotated by the liquid and which drives a disc via a gear train. If the flowing amount exceeds a preset limit, the disc operates a ratchet and spring acting on a column in a closing direction to shut down the valve.

REFERENCES:
patent: 4202467 (1980-05-01), Rutten et al.
patent: 4903731 (1990-02-01), Pappy
patent: 5065901 (1991-11-01), Brane et al.
patent: 2138541 (1984-10-01), None
International Seacrch Report for PCT/EG2004/000039, dated Jun. 9, 2005.

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