Hydraulic and earth engineering – Fluid control – treatment – or containment – Flow control
Patent
1992-08-11
1995-12-05
Taylor, Dennis L.
Hydraulic and earth engineering
Fluid control, treatment, or containment
Flow control
405 87, 405 92, 60398, F02B 740
Patent
active
054722934
ABSTRACT:
A device with a gate release door and other water release openings to attach to the mouth of outlet pipes of flood control structures and similar reservoirs to control the storage and release of water, comprising a gate release door in initial closed position permitting the reservoir to rise during rainfall, above the intake of the stand tower or stand pipe in the reservoir. A float control switch mounted at a predetermined height above the surface of the reservoir, closes as the rising water reaches this maximum level, activating an electric winch, opening the gate release door, permitting the reservoir to return to normal pool level, and continue to serve the primary function of flood control. A pressure control switch mounted on the device, responding to the increasing hydrostatic pressure, provides a dual means to open the gate release door by activating a parallel circuit to the electric winch. The primary mechanical method to assure gate opening is provided by lever arms and computed counterweights exerting torque forces upon the gate release door, which are overcome when the hydrostatic pressure reaches the predetermined level. Multiple outlets provide water under hydrostatic pressure to agriculture/aquaculture uses and to feed a turbine for generation of electrical/mechanical energy. The combined use of the outlet pipes with the drain valve in the stand tower permit high nutrient waters to flow to the agriculture plots establishing a biological
utrient cycle.
REFERENCES:
patent: 648312 (1900-04-01), Taylor
patent: 1062364 (1913-05-01), Schneider
patent: 1230457 (1927-06-01), Bovery
patent: 3293862 (1966-12-01), Harding
patent: 3372549 (1968-03-01), French
patent: 5125766 (1992-06-01), de Wit
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