Liquid purification or separation – Plural distinct separators – Filters
Patent
1987-07-01
1989-05-16
Jones, W. Gary
Liquid purification or separation
Plural distinct separators
Filters
55484, 55523, 210457, 210477, 210496, 21049701, 2105101, B01D 2910
Patent
active
048307491
ABSTRACT:
A filter apparatus comprises a plurality of ceramic porous filter elements each having a number of through-apertures in parallel with each other whose front and rear ends are alternately closed, filter element casings arranging therein one of the filter elements, respectively, and piled one above the other with the filter elements received therein being spaced apart from each other and the front ends of the filter elements upward directing, raw liquid supply means for supplying a raw liquid to be filtered to the front ends of the filter elements, raw liquid supply chambers located between the filter elements for receiving the raw liquid from the raw liquid supply means, filtrate exhaust chambers located between the filter elements for receiving filtrate which has passed through the filter elements, and filtrate exhaust means for exhausting the filtrate from the filtrate exhaust chambers out of the apparatus. With this arrangement, raw liquid passages and filtrate passages are completely separated, so that no mixture of the raw liquid and the filtrate occurs, and therefore filtering and purifying of the raw liquid can be effected with high efficiency in high reliability.
REFERENCES:
patent: 4343631 (1982-08-01), Ciliberti
patent: 4417908 (1983-11-01), Pitcher, Jr.
patent: 4427423 (1984-01-01), Montierth
patent: 4625511 (1986-12-01), Scheitlin et al.
Hiraki Akimitsu
Okamoto Magoji
Jones W. Gary
NGK Insulators Ltd.
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