Liquid purification or separation – Processes – Separating
Patent
1986-08-04
1987-09-29
Fisher, Richard V.
Liquid purification or separation
Processes
Separating
210495, 210499, 209319, 209402, 209403, 55484, B01D 3910, B07B 140
Patent
active
046967516
ABSTRACT:
A vibratory screening apparatus for removing suspended solids from liquid comprising a first mesh screen having openings with first and second dimensions for receiving the suspended solids thereon, a second mesh screen in superimposed abutment with the first screen and having openings with a third and fourth dimension perpendicular to the first screen openings, the third dimensions being larger than the first dimension and the fourth dimension being smaller than the second dimension of the first screen openings, and a vibratory source coupled to the abutting screens for vibrating the screens whereby the openings of the second screen effectively prevent suspended solids from becoming lodged in the openings of the first screen.
REFERENCES:
patent: 1423021 (1922-07-01), Reynolds
patent: 3716138 (1973-02-01), Lumsden
patent: 3905788 (1975-09-01), Alliger
patent: 4033865 (1977-07-01), Derrick, Jr.
patent: 4237000 (1980-12-01), Read et al.
Dresser Industries Inc.
Fisher Richard V.
Jordan Richard D.
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