Irrigation control structure

Details Irrigation control structure Irrigation control structure

1993-10-13

1994-12-13

Taylor, Dennis L.

Hydraulic and earth engineering

Fluid control, treatment, or containment

Flow control

137392, 405100, 405102, E02B 720

Patent

active

053724569

ABSTRACT:
An irrigation water control gate for controlling the amount of water delied downstream. The gate includes a frame and a pair of panels in the frame hingedly connected at adjoining horizontal side edges and forming a wedge shape extending upstream. The upper panel forms the crest of the gate which is raised or lowered on cables. Water level sensing means positioned above the crest for movement with the crest activates control means and cable driving means to move the crest so that water flowing over the crest is maintained at a constant depth.

REFERENCES:
patent: 425231 (1890-04-01), Lang
patent: 2689459 (1954-09-01), Mayo
patent: 4332507 (1982-06-01), Wakamori et al.
patent: 4600844 (1986-07-01), Atkins
patent: 4612949 (1986-09-01), Henson
patent: 4624280 (1986-11-01), DePirro
patent: 4797027 (1989-01-01), Combes et al.
patent: 5156489 (1992-10-01), Replogle
patent: 5216288 (1993-01-01), Greene

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