Hydraulic and earth engineering – Drainage or irrigation
Patent
1987-03-24
1989-03-14
Taylor, Dennis L.
Hydraulic and earth engineering
Drainage or irrigation
137887, 405 39, E02B 1100, F16K 1107
Patent
active
048120820
ABSTRACT:
An irrigation device designed to change the water flow in the main supply pipe (underground) to different directions for a timed period, then switch back. A timer in a control-box determines the switching cycles. A butterfly-valve actually changes the direction of the water flow, and an extension converts the power applied from the control-box to the valve body. This underground surge irrigation system is designed for furrow flood irrigation and some forms of sprinkler irrigation to increase the efficiency of the water applied, for a more uniform soak profile through the whole field.
REFERENCES:
patent: 935566 (1909-09-01), Twiford
patent: 998253 (1911-07-01), McCrimmon
patent: 1503394 (1924-07-01), Vacher
patent: 2979082 (1961-04-01), Neves
patent: 3003514 (1961-10-01), Furlong
patent: 3331207 (1967-07-01), McGrew et al.
patent: 4566494 (1986-01-01), Roche
patent: 4577802 (1986-03-01), Keller et al.
patent: 4711272 (1987-12-01), Wiseman
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