Material transfer apparatus and method

Details Material transfer apparatus and method Material transfer apparatus and method

1995-06-07

1997-02-04

Melius, Terry Lee

Excavating

Beneath a body of water

Suction

222202, 406173, B65G 5314

Patent

active

055986471

ABSTRACT:
In a material transfer system, material from an excavation is drawn into a vessel by suction from a vacuum source. The vessel has discharge flaps at the bottom that are held closed by the suction. When the weight of the material in the vessel reaches a predetermined value, the flaps open and the material is discharged from the vessel. After the discharge, counterweights almost close the flaps and the suction seals the discharge flaps so that additional material is drawn into the vessel. The vessel includes a vibratory section and has sides that slope outwardly from top to bottom. The material entering the vessel contacts the vibratory section at a predetermined angle and is redirected to the discharge flaps without any caking on the vessel walls. The opening through the discharge flaps is larger than the inlet through which the material enters the vessel so that objects entering the vessel are discharged.

REFERENCES:
patent: 661609 (1900-11-01), Hoover et al.
patent: 705310 (1902-07-01), Seifert
patent: 1211310 (1917-01-01), Griffin
patent: 2732099 (1956-01-01), Davis
patent: 3423130 (1969-01-01), Milner
patent: 3700145 (1972-10-01), Schluten
patent: 4081110 (1978-03-01), Evans
patent: 4812086 (1989-03-01), Kopermuky

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