Fluid sprinkling – spraying – and diffusing – With cutoff or flow varying means operated by means... – With overriding second control means
Patent
1988-08-08
1989-08-01
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
With cutoff or flow varying means operated by means...
With overriding second control means
239 69, 239 70, 239310, 137 783, B05B 1208, A01G 2516
Patent
active
048528021
ABSTRACT:
An improved automated irrigation system having localized moisture needs input to the control function. There is a sprinkler head connected to a supply of water under pressure by a pipe having a valve therein. A moisture sensing probe is placed in the soil adjacent the sprinkler head for developing an electrical signal representing the moisture content of the soil surrounding the probe. There is irrigation bypass logic disposed at the probe and operably connected to the valve and the probe for comparing the moisture content of the soil surrounding the probe to pre-established limits and for preventing the valve from supplying water to the sprinkler head when there is sufficient moisture in the soil. A timer controller can be employed to provide operating power to the system only at preferred times for watering. The moisture parameters for watering are adjustable. There is a wirelessly connected version eliminating wires between the probes and the valves. Supplemental valves are employed in branch lines and riser pipes to give more accurate control over localized areas and planting. Preferred power is supplied by a rechargeable battery recharged by a solar panel. There is apparatus for optimally adding fertilizer to the irrigation water as part of the moisture controlled system or on a stand-alone basis.
REFERENCES:
patent: 4396149 (1983-08-01), Hirsch
patent: 4541563 (1985-09-01), Uetsuhara
patent: 4545396 (1985-10-01), Miller et al.
Iggulden Jerry R.
Pender Joseph W.
Streck Donald A.
Iggulden Jerry
Kashnikow Andres
Merritt Karen B.
Pender Joseph
Streck Donald A.
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