Fluid sprinkling – spraying – and diffusing – Mobile distributor – Irrigation device
Patent
1998-09-14
1999-12-28
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Mobile distributor
Irrigation device
239 69, 239 73, 239731, 239744, B05B 312
Patent
active
060070048
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. A 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. An angle sensor is provided at the pivotal connector of said main boom and said corner span. A span sensor is positioned on the corner boom for sensing shape changes in the corner span. A control connects the span sensor and angle sensor with the drive and steering for driving and steering the steerable drive tower. The control means, when said extension boom is in a trailing position, actuates said steering means to follow the guidance means and actuating said speed control to maintain the shape of the corner span within predetermined parameters; said control means, when the corner span approaches full extension, actuates said speed control to keep the corner span in alignment with the main boom, as determined by the angle sensor and actuating said steering means to maintain the shape of the corner span within predetermined parameters as determined by the span sensor.
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Ganey Steven J.
Kashnikow Andres
Thomte Dennis L.
Valmont Industries, Inc.
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