Liquid purification or separation – Filter – Movable medium
Patent
1978-06-19
1980-01-08
Cuchlinski, Jr., William A.
Liquid purification or separation
Filter
Movable medium
210 68, 210391, 210404, B01D 3308
Patent
active
041826809
ABSTRACT:
The invention concerns a device for filtration under pressure making use of the combined actions of a looped band, a filter cloth and a distributing drum on a portion of the periphery of said drum which is covered by a compartmented region of said band, with a sealing effect provided by application of an external pressure upon said band. The devices is organized to perform filtration while the drum, a sequence of compartmented elements and filter cloth are stationary, while the filter is caused to open by the placing in rotation and rotary travel of at least said drum and said filter cloth. Each compartment may be provided with a grooved bottom for collection of the filtered liquid, passing through a corresponding filter cloth, with the corresponding drum surface being itself provided with grooves covered by a second filter cloth driven by said drum and traversed by incoming liquid to be filtered. The invention provides an improvement in filtration efficiency and a simplification of filter construction.
REFERENCES:
patent: 2963158 (1960-12-01), Jung
patent: 3375932 (1968-04-01), Ishigaki
patent: 3485378 (1969-12-01), Regel
patent: 3564631 (1971-02-01), Burling
patent: 3767052 (1973-10-01), Shibasaki
patent: 3897341 (1975-07-01), Ozawa
Cuchlinski Jr. William A.
Societe Anonyme des Fonderies et Ateliers L. CHOQUENET
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