Variable dam

Details Variable dam Variable dam

1980-04-22

1981-11-17

Corbin, David H.

Hydraulic and earth engineering

Fluid control, treatment, or containment

Flow control

405 87, E02B 740

Patent

active

043008585

ABSTRACT:
A variable dam for a water channel having a longitudinal flow axis includes a frame having a bottom member extending across the channel and upright end members. A plurality of approximately planar plates are each connected by a pivot pin at one lower corner to a journal in the bottom member, the plates being in overlapping or staggered relationship with their respective planes approximately normal to the flow axis. The plates are movable by motors effective to rotate at least some of the pivot pins and are assisted in moving simultaneously by a link pivotally connected to each panel near an upper corner thereof. Guys extend to the panels from anchor blocks in the channel either upstream, or downstream, or both.

REFERENCES:
patent: 4146346 (1979-03-01), Salo

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