Liquid purification or separation – Filter – With movable means to compress medium
Patent
1985-09-25
1987-04-28
Spitzer, Robert
Liquid purification or separation
Filter
With movable means to compress medium
210411, 210440, 210444, 210446, 210492, 210498, B01D 2502, B01D 2946
Patent
active
046612505
ABSTRACT:
A multiple-disc filter comprises a stack of filtering discs each formed with grooves extending only partially through the thickness of the disc and configured to define a continuous, non-apertured surface on one face and a plurality of spaced ribs projecting from the opposite faces. The ribs are connected together to define a sinuous configuration and have flat line edges. The stack further includes spacing means between the contacting faces of adjacent discs of the stack, spacing the straight line edges of the sinuous ribs of one disc from the face of the next adjacent disc in the stack, such that the contacting faces of adjacent discs define a first group of recesses between the ribs communicating with the housing inlet, a second group of recesses alternating with the first group of recesses and communicating with the housing outlet, and a plurality of filtering passageways between the straight line edges of the ribs and the opposite face of the next adjacent disc.
REFERENCES:
patent: 1976547 (1934-10-01), Dumas
patent: 2141436 (1938-12-01), Harris
patent: 2159196 (1939-05-01), Babitch
patent: 2601521 (1952-06-01), Heftler
patent: 2847126 (1958-08-01), Goodman
patent: 2855106 (1958-10-01), English
patent: 3397794 (1968-08-01), Toth et al.
patent: 3552552 (1971-01-01), Johnston
patent: 4120794 (1978-10-01), Taylor
patent: 4410430 (1983-10-01), Hagler, Jr.
patent: 4517089 (1985-05-01), Arnaud
Barish Benjamin J.
Spitzer Robert
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