Fluid control apparatus

Details Fluid control apparatus Fluid control apparatus

1987-07-01

1988-11-29

Corbin, David H.

Hydraulic and earth engineering

Fluid control, treatment, or containment

Flow control

405101, 405115, E02B 744

Patent

active

047877740

ABSTRACT:
A flexible membrane supported on a series of compound leaf springs is mounded on the fixed crest of a dam or waterway to retain fluid at or below a predetermined maximum level. The apparatus is adapted to automatically release fluid which rises above this predetermined maximum level in response to the increase in fluid pressure exerted upon the flexible membrane and compound leaf springs, and to return to its original fluid-retaining position when the fluid pressure has receded.

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patent: 4321774 (1982-03-01), Fish
patent: 4377352 (1983-03-01), Goodstein
patent: 4455106 (1984-06-01), Johnson

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