Fluid sprinkling – spraying – and diffusing – Mobile distributor – Irrigation device
Patent
1998-09-14
1999-09-07
Phillips, Charles E.
Fluid sprinkling, spraying, and diffusing
Mobile distributor
Irrigation device
B05B 312
Patent
active
059473932
ABSTRACT:
An irrigation system is disclosed which includes a center pivot support having an elongated main water boom pivotally connected thereto which extends outwardly therefrom. An elongated corner span is pivotally connected at its inner end to the outer end of the main boom and is supported by a steerable drive tower. A span sensor is positioned on the corner span for sensing changes in shape of the corner span. A control connects the span sensor with the drive for driving the steerable drive tower and the motor on the last regular drive unit on the main water boom to adjust the speed thereof upon the span sensor sensing predetermined changes in the shape of the corner span.
REFERENCES:
patent: 3802627 (1974-04-01), Seckler et al.
patent: 4085771 (1978-04-01), Hunter
patent: 4142547 (1979-03-01), Courtright
patent: 4340183 (1982-07-01), Kegel et al.
patent: 4434936 (1984-03-01), Chapman et al.
patent: 4569481 (1986-02-01), Davis et al.
patent: 4674681 (1987-06-01), Meis et al.
Phillips Charles E.
Thomte Dennis L.
Valmont Industries, Inc.
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