Hydraulic and earth engineering – Fluid control – treatment – or containment – Flow control
Patent
1993-07-13
1995-11-21
Ricci, John A.
Hydraulic and earth engineering
Fluid control, treatment, or containment
Flow control
405100, 405101, E02B 744
Patent
active
054680905
ABSTRACT:
A flap weir with a base wall arranged between two side walls, a flap is fixed and sealed in a non-rotary manner by one longitudinal edge to the base wall, the other longitudinal edge forming an overflow edge. The flap is modified by natural deformation occurring as a result of the action of increased water pressure bearing on it.
REFERENCES:
patent: 1039072 (1912-09-01), Edge
patent: 2073956 (1937-03-01), Becher
patent: 2192510 (1940-03-01), Smith
patent: 2598389 (1952-05-01), Jermar
patent: 2609666 (1952-09-01), Mesnager
patent: 4505612 (1985-03-01), Shelley
patent: 4787774 (1988-11-01), Grove
patent: 5222834 (1993-06-01), Schultz
DE-Z: Industriereport '85, Sonderbeilage der Wasserwirtschaft, S.35.
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