Method of maintaining a uniform chemical depth under the center

Details Method of maintaining a uniform chemical depth under the center Method of maintaining a uniform chemical depth under the center

1998-09-14

2000-04-04

Douglas, Steven O.

Fluid sprinkling, spraying, and diffusing

Mobile distributor

Irrigation device

239 1, B05B 300

Patent

active

060450657

ABSTRACT:
The method of controlling the speed of the last regular drive unit (L.R.D.U.) of a center pivot irrigation machine having a corner span pivotally connected thereto comprising: placing an angle sensor at the pivotal connection of the main boom and the extension boom for monitoring the angle therebetween upon predetermined time increments; changing the speed of the L.R.D.U. according to the formula:

REFERENCES:
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patent: 3979062 (1976-09-01), Christensen et al.
patent: 4161292 (1979-07-01), Holloway et al.
patent: 4227648 (1980-10-01), Holloway et al.
patent: 4340183 (1982-07-01), Kegel et al.
patent: 4729514 (1988-03-01), Ostrom et al.
patent: 5435495 (1995-07-01), Davis
patent: 5678771 (1997-10-01), Chapman

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