Automatic level-regulating sluice

Details Automatic level-regulating sluice Automatic level-regulating sluice

1987-06-15

1989-01-10

Taylor, Dennis L.

Hydraulic and earth engineering

Fluid control, treatment, or containment

Flow control

405 80, 405 87, 137123, F02B 720

Patent

active

047970278

ABSTRACT:
The sluice oscillates about a shaft (16) in order to control the level of a downstream reach (4) to occupy a reference level as defined by the position of an opening (36) for connection to the atmosphere and suitable for being closed by a needle (38) carried on a float (40). The plate (6) is driven by a caisson (18) which is immersed in the upstream reach (2) and which contains a quantity of water (28) that is increased by sucking air via a hydraulic Venturi (50) driven by the flow of water between the two reaches. The displacements of the float (40) control the pressure reduction which is actually applied to said caisson in such a manner as to obtain the desired level control. The invention is applicable to controlling irrigation networks.

REFERENCES:
patent: 2851861 (1958-09-01), Ponsar
patent: 3221504 (1965-12-01), Turney
patent: 3331208 (1967-07-01), Aubert
Patents Abstracts of Japan, vol. 8, No. 152, (M-309) (1589), Jul. 14, 1984.

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