Flood flow modulator

Hydraulic and earth engineering – Fluid control – treatment – or containment – Flow control

Patent

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Details

405100, E02B 0740

Patent

active

059845759

ABSTRACT:
A flood flow modulator system including a dam positioned across a watercourse so as to restrict water flow therein and thereby create a retained water body; the dam having an upstream surface facing the water body, an oppositely directed downstream surface, and a top surface joining the upstream and downstream surfaces. Defined by the dam is a slot having substantially vertical side surfaces and a substantially horizontal bottom surface. A gate is pivotally mounted in the slot for movement between a substantially vertical closed position and a substantially horizontal open position; the gate being U-shaped in section and having a front wall with edges disposed adjacent to the side and bottom surfaces so as to substantially close the slot when in the closed position, and sidewalls projecting transversely from the front wall toward the water body and each closely adjacent to a different one of the side surfaces. The sidewalls prevent an accumulation of proximate debris which could adversely affect desired operation of the gate.

REFERENCES:
patent: 820332 (1906-05-01), Applegate
patent: 850441 (1907-04-01), McGinnis
patent: 4073147 (1978-02-01), Normura
patent: 4332507 (1982-06-01), Wakamori et al.
patent: 4549837 (1985-10-01), Herbert
patent: 5178490 (1993-01-01), Snowberger et al.
patent: 5758989 (1998-06-01), Snowberger

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