Multiple pumping chamber dredging apparatus

Details Multiple pumping chamber dredging apparatus Multiple pumping chamber dredging apparatus

1974-07-23

1976-05-25

Crowder, Clifford D.

Excavating

Peat excavators

417122, E02F 388

Patent

active

039583465

ABSTRACT:
An improved dredging apparatus comprising a plurality of pumping chambers, each pumping chamber having a separate inlet pipe branched off from a single intake duct, the intake duct in turn being either connected to the dredging shovel or directly adapted to take out samples from an underwater bed, the pumping chambers in operation being cyclically filled with dredged material and emptied by air pressure. The pump body is slidably mounted to a rigid frame structure, whereby the intake duct is surrounded and protected during sampling operations.

REFERENCES:
patent: 2255167 (1941-09-01), Hunn
patent: 3455114 (1969-07-01), Burrus
patent: 3518837 (1970-07-01), Banjavich
patent: 3624933 (1971-12-01), Faldi
patent: 3693272 (1972-09-01), Gariel
patent: 3753303 (1973-08-01), Holzenberger et al.

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