Center pivot irrigation system

Details Center pivot irrigation system Center pivot irrigation system

1976-03-24

1977-03-15

Ward, Jr., Robert S.

Fluid sprinkling, spraying, and diffusing

Processes

Of discharge modification of flow varying

239177, 239DIG1, 137344, B05B 312

Patent

active

040119904

ABSTRACT:
A center pivot irrigation system and a method of operating it whereby noncircular areas outside of the circle described by the center pivot, for example the corners of a square field, may be irrigated. An extension is connected to the outermost tower of the main pipeline by an offset so that sprinkler units on the extension may be operated to irrigate the corners of the field when the extension is rotated.

REFERENCES:
patent: 2769547 (1956-11-01), Hirsch
patent: 3352493 (1967-11-01), Curtis
patent: 3628729 (1971-12-01), Thomas
patent: 3750953 (1973-08-01), Reinke
patent: 3797517 (1974-03-01), Kircher et al.
patent: 3902668 (1975-09-01), Dougherty et al.
patent: 3921908 (1975-11-01), Zimmerer

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