Fluid sprinkling – spraying – and diffusing – With cleaning means – drip collecting – waste disposal or soil... – Nozzle cleaner – flusher or drainer
Patent
1993-06-21
1994-08-23
Merritt, Karen B.
Fluid sprinkling, spraying, and diffusing
With cleaning means, drip collecting, waste disposal or soil...
Nozzle cleaner, flusher or drainer
239276, 23953313, 239542, 239547, 1375135, 1375195, A01G 2502, B05B 1502
Patent
active
053400275
ABSTRACT:
The dripper and mini-spray include an inlet and an outlet coupled to a housing which defines a substantially spherical, ellipsoidal, or cylindrical 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. A whirlpool is caused by water or other liquids entering the chamber through the inlet due to the particular orientation and position of the inlet and the shape of the chamber. The whirlpool flushes debris from the chamber and pushes the ball around the chamber for a predetermined period of time. The ball then rests against the outlet to substantially obstruct the passageway out in a pressure-compensated manner.
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