Classifying – separating – and assorting solids – Fluid suspension – Liquid
Patent
1993-02-05
1994-02-08
Lithgow, Thomas M.
Classifying, separating, and assorting solids
Fluid suspension
Liquid
2102211, 210167, 261 87, 261 93, 60486, 60454, 417429, B03D 116
Patent
active
052842495
ABSTRACT:
A flotation apparatus for floating minerals from fluid containing minerals in particulate form. The flotation apparatus includes a hydraulic motor directly connected to a drive shaft for driving a rotor located in the flotation cell, the hydraulic motor being powered by a hydraulic power pack having dual gear pumps to circulate hydraulic fluid at pressures of up to 2900 psi to drive the hydraulic motor. The dual gear pumps include a smaller gear pump for developing high pressure at low flow for quick, soft start of the flotation apparatus. Once started, the larger pump automatically takes over to provide high flow at lower pressure to develop rotor speed of approximately 160 RPM.
REFERENCES:
patent: 2011483 (1935-08-01), Hansen
patent: 2928543 (1960-03-01), Logue
patent: 3962870 (1976-06-01), Lech
patent: 4030296 (1977-06-01), Deinlein-Kalb
patent: 4191018 (1980-03-01), Barrett
patent: 5032065 (1991-07-01), Yamamuro
patent: 5094597 (1992-03-01), Takai
Lawrence George A.
Paredes Andres
Roy Roderick R.
Dorr-Oliver Incorporated
Lithgow Thomas M.
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