Hydraulic and earth engineering – Fluid control – treatment – or containment – Flow control
Patent
1994-05-05
1996-05-14
Taylor, Dennis L.
Hydraulic and earth engineering
Fluid control, treatment, or containment
Flow control
405 92, 405 99, E02B 742
Patent
active
055162304
ABSTRACT:
A self-actuating water control gate comprised of a stepped radial gate face 14 mounted on hinge arms 19 extending downstream to a pivot shaft 12 and to a counterweight 11 and support system. The gate face 10 includes a hydraulic thrust surface 15, and radially shaped end plates 17. The gate face has an upper section 14 and lower section 16 whose radii differ by predetermined amount. The support system for the counterweight 11 includes a pattern of holes 26 and eccentric cams 27 providing for adjustable sensitivity. The radial endplates 17 in combination with matching fixed jambs provide a small constant clearance in operation, confining the flow to the area below the gate. A fixed viscous damping vane 33 extends from the front of the gate into the approaching flow. The vane has an irregularly castellated vortex dispersing leading edge.
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Bargeron Richard J.
Bartlett Robert G.
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