Improved pump-type sludge dredging apparatus

Details Improved pump-type sludge dredging apparatus Improved pump-type sludge dredging apparatus

1977-05-26

1979-04-03

Crowder, Clifford D.

Excavating

Peat excavators

37 58, E02F 392

Patent

active

041469828

ABSTRACT:
An improved pump-type sludge dredging apparatus including a pump dredger having a first ladder, a sludge suction pump acting in cooperation with the ladder and pump dredger, a suction pipe, a second ladder, a suction device suspended from the second ladder and connected to the pump through a suction pipe, a rotator, a half-cylindrical sludge collector plate, a substantially inverted U-shaped body structure, a grating, movable vanes disposed outside the grating and gas collecting chambers.

REFERENCES:
patent: 70849 (1867-11-01), Howell
patent: 567443 (1896-09-01), Bacon
patent: 634865 (1899-10-01), Bates
patent: 1778942 (1930-10-01), Harp
patent: 3738029 (1973-06-01), Harmon
patent: 3971148 (1976-07-01), Deal
patent: 3975842 (1976-08-01), Andreae

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