Drip irrigation emitter

Details Drip irrigation emitter Drip irrigation emitter

1975-07-23

1977-07-19

Blunk, Evon C.

Fluid sprinkling, spraying, and diffusing

With cleaning means, drip collecting, waste disposal or soil...

Nozzle cleaner, flusher or drainer

13754315, 239452, 239542, 239570, B05B 132, B05B 1502

Patent

active

040364356

ABSTRACT:
An improved drip irrigation emitter for use in drip irrigation systems, the drip irrigation emitter including a hollow body with at least one outlet port and an inlet connector for receiving fluid from main supply lines, a collar with a center bore movably retained within the hollow body, a tapered pin fixedly attached to the emitter and projecting into the collar bore to form an orifice defined as the volume space between the boundary of the bore and the pin periphery for permitting fluid flow between the inlet and outlet ports and a spring assembly for transmitting a continuously variable yieldable force on the collar in a direction to close the orifice.

REFERENCES:
patent: 713852 (1902-11-01), Chapin
patent: 2367106 (1945-01-01), Dolch
patent: 3080885 (1963-03-01), Webster et al.
patent: 3685735 (1972-08-01), Foster
patent: 3693888 (1972-09-01), Rondas et al.
patent: 3736955 (1973-06-01), Schlesser
patent: 3810582 (1974-05-01), Lodge

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