Self cleaning emitter

Details Self cleaning emitter Self cleaning emitter

1992-03-05

1993-09-21

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Flow deflecting or rotation controlling means

Deflector and terminal flow element

239524, 239542, 239547, 239596, 239602, 239DIG12, B05B 126, B05B 1500

Patent

active

052461700

ABSTRACT:
An emitter is provided with a flexible diaphragm of elastomeric material containing at least two slits which radiate outwardly from a point near the center of the diaphragm, the diaphragm being assembled in the emitter body in the manner of a gasket, and the diaphragm having characteristics of durometer hardness and flexibility such than when in use the diaphragm is distended and the slits open to establish an orifice which allows an outflow of irrigating water at a low discharge rate, but when the pressure is removed the resilience of the diaphragm closes, the faces become contiguous and close the orifice, thereby preventing ingress of insects and egress of moisture.

REFERENCES:
patent: 1427822 (1922-09-01), Kennedy et al.
patent: 1520048 (1924-12-01), Baird
patent: 1636314 (1927-07-01), Murray
patent: 2392085 (1946-01-01), Ferrel
patent: 2778685 (1957-01-01), Umbricht
patent: 3273804 (1966-09-01), Wilson
patent: 3288371 (1966-11-01), Broughton
patent: 3351292 (1967-11-01), Stuart, Sr.
patent: 3870236 (1975-03-01), Sahagun-Barragan
patent: 3896999 (1975-07-01), Barragan

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