Hydraulic and earth engineering – Bank – shore – or bed protection
Patent
1984-03-01
1986-02-18
Corbin, David H.
Hydraulic and earth engineering
Bank, shore, or bed protection
405 73, 405211, 405226, E02B 300, E02D 3100
Patent
active
045711216
ABSTRACT:
An underwater backfilling apparatus which can be used by undersea divers provides a sediment intake which is randomly movable by a diver over the ocean floor for removing sediment material from the seabed which is to be used in underwater backfilling. A handheld discharge dispenses the sediment material into a selected void space to be backfilled with the sediment which is removed by the intake from the seabed. A conduit connects the intake and the discharge with a bore so that sediment can be transmitted from the intake to the outlet. A fluid drive is positioned in the conduit between the inlet and the outlet for moving a mixture of sediment and seawater through the conduit. The fluid drive in the preferred embodiment includes a fluid conveying tubular member having an inlet and an outlet which are connectable to the conduit, a branch conduit line extending angularly from the tubular member and forming an acute angle at the point of intersection with the tubular member and a fluid pump which is connectable to the branch conduit line for injecting a moving fluid mass into the bore of the tubular member so that the moving fluid mass can produce flow through the conduit between the inlet and the outlet.
REFERENCES:
patent: 358853 (1887-03-01), Goodridge
patent: 983808 (1911-02-01), Christiansen
patent: 3665720 (1972-05-01), Havno
patent: 3683521 (1972-08-01), Sloan et al.
patent: 4420275 (1983-12-01), Ruser
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