Liquid purification or separation – Structural installation – Closed circulating system
Patent
1986-04-29
1988-05-31
Fisher, Richard V.
Liquid purification or separation
Structural installation
Closed circulating system
210186, 210232, 210241, 2104165, 210453, 210489, 210DIG8, 2105001, 99408, B01D 2908, B01D 3600
Patent
active
047479442
ABSTRACT:
A recirculating filter system for purifying heated liquids, primarily cooking oils or lard, has a sealed filter canister having therein a cotton fiber filter and an upper lid and baffle chamber assembly. An inlet orifice at the bottom of the canister is fed by a pressurized line containing impure oil. An outlet at the top of the canister carries the filtered oil from the baffle chamber to a return line back to the cooking vessel. The cotton fiber filter is contained below the lid and baffle chamber assembly by a retainer pad means forming a second stage to the filtering. A motor and pump assembly siphon the impure liquid from a cooking vessel and, by virtue of an appropriately sized intermediate pressure line, keeps a substantially constant inlet pressure into the filter canister and throughout the system, whereby relatively constant pressure and flow is maintained in the system, with a slight back pressure against the pump, and wherein recirculating filtering of the liquid medium may take place on a continuous or selected intermittent basis. The recirculating filter system is capable of being fully portable and preferably retrofit to existing equipment and space requirements without the need for modification to restaurant equipment.
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Re-Filco Inc. brochure entitled "The Phoenix Oil Refiner".
Evans Linda S.
Fisher Richard V.
Midwest Conservation Specialties, Inc.
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