Fluid-flow control device particularly useful as a drip-irrigati

Details Fluid-flow control device particularly useful as a drip-irrigati Fluid-flow control device particularly useful as a drip-irrigati

1999-07-27

2000-08-01

Huson, Gregory L.

Fluid handling

Line condition change responsive valves

Direct response valves

1375121, 137533, 239542, F16K 1500

Patent

active

060951850

ABSTRACT:
A fluid-flow control device particularly useful as a drip-irrigation emitter, includes a housing having first and second housing sections attachable to each other to define an internal chamber. The first housing section includes an inlet opening at one side of the chamber, and the second housing section includes a hollow stem projecting into the chamber from the opposite side of the chamber and defining an outlet opening from the chamber. A control ring is located within the chamber around the hollow stem and is freely movable, as guided by the hollow stem, towards and away from the inlet opening to control the flow therethrough into the chamber, and thereby the flow through the outlet opening from the chamber.

REFERENCES:
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patent: 4660769 (1987-04-01), Rosenberg
patent: 5163779 (1992-11-01), King, Sr.

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