Classifying – separating – and assorting solids – Miscellaneous
Patent
1973-05-30
1977-10-04
Lutter, Frank W.
Classifying, separating, and assorting solids
Miscellaneous
2091725, B03B 1304
Patent
active
040522970
ABSTRACT:
This invention is directed to a scheme for increasing the height of a ferrofluid column in a ferrofluid sink/float separator by judiciously locating the access openings into the column of ferrofluid so that said opening is on a predetermined air-ferrofluid interface to support a specific height of a ferrofluid column.
REFERENCES:
patent: 2209618 (1940-07-01), Vogel
patent: 2902153 (1959-09-01), Green
patent: 3460672 (1969-08-01), Imris
patent: 3483968 (1969-12-01), Kaiser
patent: 3483969 (1969-12-01), Rosenweig
patent: 3488531 (1970-01-01), Rosenweig
patent: 3788465 (1974-01-01), Reimers et al.
Rosenweig, R. E., "Magnetic Fluids", International Science and Technology, pp. 48-54 & 56, July 1966.
Avco Corporation
Hill Ralph J.
Lutter Frank W.
Ogman Abraham
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