Filter device with a chamber, a helicoidally conformed support a

Details Filter device with a chamber, a helicoidally conformed support a Filter device with a chamber, a helicoidally conformed support a

1980-03-31

1982-05-04

Spitzer, Robert H.

Liquid purification or separation

Diverse distinct separators

Including a filter

210346, 210486, 2104971, B01D 2906

Patent

active

043281001

ABSTRACT:
A filter device exhibits a chamber with a spiral which revolves helicoidally about the chamber axis. The spiral is constituted by a channel-shaped support which holds taut a filter constituted by a spiral-shaped tube. During the filtration of a suspension the liquid component of the suspension passes through the filter into the channel-shaped support and from the latter to a filtrate outlet. Because at least that part of the filter effective for the filtration forms a substantially smooth fold-free surface, uniform utilization of the total effective surface of the filter is possible. The solid residue deposited upon the surface of the filter can also be transported out of the chamber without difficulty by rotating the spiral.

REFERENCES:
patent: 1604652 (1926-10-01), Manning
patent: 1686092 (1928-10-01), Manning
patent: 2257244 (1941-09-01), Oehler
patent: 2818968 (1958-01-01), Carrier, Jr.
patent: 2847767 (1958-08-01), Carrier, Jr.
patent: 3137652 (1964-06-01), Graue
patent: 3282825 (1966-11-01), Brown et al.
patent: 3768658 (1973-10-01), Palma
patent: 3935107 (1976-01-01), Yagishita
patent: 4169533 (1979-10-01), Rubio
Koehler Bosshardt Spiral-Filter, 4 pp., 1976, Koehler Bosshardt AG Basel.

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