Fluid sprinkling – spraying – and diffusing – Processes
Patent
1992-06-26
1994-01-18
Merritt, Karen B.
Fluid sprinkling, spraying, and diffusing
Processes
239106, 23953313, 239542, 239547, A01G 2502, B05B 1502
Patent
active
052794601
ABSTRACT:
The dripper and mini-spray include an inlet and an outlet coupled to a housing which defines a substantially spherical or ellipsoidal chamber. The chamber houses a ball which can roll about the chamber freely, but which is too large to exit through either the inlet or outlet. The outlet includes a cradle which is formed with ridges and/or slots. The inlet of the dripper is horizontally attached to an irrigation line and with water pressure in the line the ball is forced against the cradle, effectively closing off the outlet, however some water is able to escape via openings formed by the ridges/slots. At the beginning of each irrigation cycle a small whirlpool is created in the chamber, pushing the ball about, which flushes out any debris which has accumulated in the chamber.
REFERENCES:
patent: 1615010 (1927-01-01), Gerding
patent: 3746263 (1973-07-01), Reeder et al.
patent: 3762651 (1973-10-01), Condolios
patent: 3841349 (1974-10-01), Todd
patent: 3873031 (1975-03-01), Reeder et al.
patent: 4100940 (1978-07-01), Spears
patent: 4173308 (1979-11-01), Savvides
patent: 4687143 (1987-08-01), Gorney et al.
patent: 4726527 (1988-02-01), Mendenhall
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