Dredging apparatus

Details Dredging apparatus Dredging apparatus

1989-08-07

1990-08-07

Reese, Randolph A.

Excavating

Peat excavators

37 65, 37189, 37DIG7, 406 50, 406 57, 406 60, 406 61, 406 93, E02F 392

Patent

active

049456610

ABSTRACT:
Mud is taken into a vertical screw conveyor while an inlet device is rotating or without the use of such an inlet device. The mud is sent from the discharge port of the conveyor into a transport pipe. The mud is forcibly sent by a compressed air. Screens are provided to take only the mud into the screw conveyor. Paddles for stirring mud are provided on the vanes of the screw. A check valve and/or a pressure feeder (transport pump) is provided between the discharge port of the conveyor and the transport pipe.

REFERENCES:
patent: 364571 (1887-06-01), Bowers
patent: 2467682 (1949-04-01), Megargee
patent: 3885330 (1975-05-01), Araoka
patent: 3994082 (1976-11-01), Faldi
patent: 4312762 (1982-01-01), Blackburn et al.
patent: 4386473 (1983-06-01), Amann et al.

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