Liquid purification or separation – Structural installation – Closed circulating system
Patent
1983-11-14
1985-07-30
Caroff, Marc L.
Liquid purification or separation
Structural installation
Closed circulating system
68 18F, B01D 2300, B01D 2304
Patent
active
045320365
ABSTRACT:
A self-cleaning filtering apparatus for use in a material treating system of the type in which treating fluid is recirculated through a treating vessel. The apparatus includes a filtering chamber through which treating fluid flows from a pump to a heat exchanger. A cylindrical perforated filter element in the chamber filters particulate contaminant, such as lint in a textile processing system, onto the element, and a reciprocating cleaning member cleans the contaminant from the surface of the filter element by drawing fluid through an annular slot in a head of the cleaning member, with the fluid being drawn across and through the filter element to remove contaminant therefrom. The contaminant containing fluid is conveyed from the cleaning member back into the treating vessel where it is discharged into a large fabric bag that allows the fluid to filter through into the vessel and obstructs the contaminant for collection in the bag.
REFERENCES:
patent: 527187 (1894-10-01), Wiley
patent: 1906391 (1933-05-01), McKinley
patent: 2828862 (1958-04-01), Johnson
patent: 3253431 (1966-05-01), Minhinnett
patent: 3421835 (1969-01-01), McCarty
patent: 3994810 (1976-11-01), Schaeffer
patent: 4083208 (1978-04-01), Ekstroem
patent: 4143527 (1979-03-01), Trullas
Caroff Marc L.
Cohen Sharon T.
Gaston County Dyeing Machine Company
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