Emitter

Details Emitter Emitter

1978-11-01

1979-07-17

Schacher, Richard A.

Fluid sprinkling, spraying, and diffusing

Conduit or nozzle attached irrigation-type decelerator

239570, B05B 1500

Patent

active

041612914

ABSTRACT:
An emitter for use in drip irrigation comprising an emitter body defining an emitter chamber and a resilient element having first and second opposite faces mounted in the emitter chamber with the first face confronting a surface of the emitter chamber. The surface of the emitter chamber and the first face cooperate to define a restricted fluid passage. The emitter body has an inlet for supplying fluid under pressure to the emitter chamber and an outlet leading from the fluid passage. The resilient element has an aperture providing communication between the second face of the resilient element and the fluid passage so that fluid can pass from the inlet through the aperture and the fluid passage to the outlet. The pressure drop across the aperture is increased to hold the first face of the resilient element against the surface of the emitter chamber to maintain the integrity of the fluid passage. This may be accomplished, for example, by utilizing one or more slits for the aperture or by providing a suitable valve member in the aperture.

REFERENCES:
patent: 3998427 (1976-12-01), Bentley
patent: 4011893 (1977-03-01), Bentley

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