Flow control suction barrier apparatus and system

Details Flow control suction barrier apparatus and system Flow control suction barrier apparatus and system

2005-10-11

2005-10-11

Upton, Christopher (Department: 1724)

Liquid purification or separation

Processes

Including geographic feature

C210S801000, C210S154000, C210S162000, C210S170050, C210S532100

Reexamination Certificate

active

06953528

ABSTRACT:
The preferred embodiment of the present invention is an inertial filtering device for filtering riverbed silt in a contained underwater environment comprising an enclosure to be placed underwater on a riverbed. The enclosure has at least one entrance opening located in the enclosure for allowing river water carrying riverbed silt to flow into the entrance opening. A chute for directing the river water upwards through the enclosure is also included in the enclosure. An exit opening is located at the top of the enclosure for exiting the river water. A hole is located in the chute for transiting particulate matter from the slit via gravity to the bottom of the enclosure while allowing the river water to proceed up the chute to the exit opening; and a suction device is connected to the bottom of the enclosure for suctioning out any matter collected in the bottom of the enclosure including PCBs or other pollutants.

REFERENCES:
patent: 2436630 (1948-02-01), Clegg
patent: 3013395 (1961-12-01), Gaylord
patent: 3693796 (1972-09-01), Michel et al.
patent: 3884810 (1975-05-01), Smyrnow
patent: 4397503 (1983-08-01), Williams
patent: 5298172 (1994-03-01), Smith
patent: 6042733 (2000-03-01), Tucker
patent: 6062767 (2000-05-01), Kizhnerman et al.
IHC Holland Company website, Article: Modern dredging methods and their environmental aspect, 11 pages.

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