Liquid purification or separation – Recirculation – Of filtrate
Patent
1974-07-11
1976-05-25
Hart, Charles N.
Liquid purification or separation
Recirculation
Of filtrate
210304, 210327, 210415, B01D 3328, B01D 3702
Patent
active
039591433
ABSTRACT:
A portable filtration apparatus particularly adapted to remove solid and chemical contaminants from hot cooking liquids used in deep fryers, having a frame, a filter bowl mounted on the frame, a plurality of horizontal filter elements mounted on a hollow, vertical tube within the filter bowl, each of the filter elements having a corresponding cleaning means mounted adjacent it to engage and remove spent filter cake and contaminants from a filtering surface of the element when desired, and a pump mounted on the frame for continuously recirculating liquid through the filtering apparatus or returning filtered liquid to the deep fryer, as controlled by movement of a single valve. The filter elements are rotatable about a central axis of the tube within the filter bowl relative to the stationary cleaning means disposed across the surface of each element, to automatically remove spent filter cake and contaminants and eject them from an opening formed in the bowl.
REFERENCES:
patent: 1951809 (1934-03-01), Renfrew
patent: 2269725 (1942-01-01), Malanowski
patent: 3020950 (1962-02-01), Schraivogel
patent: 3202284 (1965-08-01), Wade
patent: 3497452 (1970-02-01), Arvanitakis
patent: 3705648 (1972-12-01), Arvanitakis
Hart Charles N.
Roehrig, Jr. August E.
Spitzer Robert H.
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