Water-level control device

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

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Details

405 52, 405 80, E02B 700

Patent

active

052559998

ABSTRACT:
A water-level control device is provided for controlling water levels between a high-tide level and a low-tide level. The water-level control device comprises a tiltable pipe connected to a drain pipe by a flexible joint. Tilting of the pipe allows flow of water from a high-tide point to a low-tide point. Water is pumped into a pond continuously, and the variable-height weir cyclically varies the outflow to simulate a tidal cycle.

REFERENCES:
patent: 1810981 (1931-06-01), Noble
patent: 4332507 (1982-06-01), Wakamori et al.
patent: 4818399 (1989-04-01), Midkiff
patent: 4990249 (1991-02-01), Levenberger
patent: 5015399 (1991-05-01), Eller
patent: 5052855 (1991-10-01), Chapman et al.
patent: 5108591 (1992-04-01), Hagan

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