Liquid purification or separation – Structural installation – Closed circulating system
Patent
1975-04-28
1976-08-31
Hart, Charles N.
Liquid purification or separation
Structural installation
Closed circulating system
210DIG8, 99408, B01D 3500, B01D 3702
Patent
active
039779734
ABSTRACT:
A fry kettle is divided by an internal crosswall to define an oil storage compartment having a heating element submerged in the oil for cooking foods. Crumbs and other contaminants are separated from the cooking oil by continuously drawing off a small portion of the oil from the storage compartment through an opening in the crosswall into an integral filter compartment where the oil passes through openings into a crumb catcher which is carried by a removable frame adjacent the internal crosswall and above a manually-operated flow control valve. The valve includes a valve stem projecting to the top of the kettle where it can be positioned to terminate the flow of oil through a passageway in a subfloor that is spaced above the bottom wall of a filter compartment. The floor of the filter compartment defines a drain port that is surrounded by a frame used to carry two spaced-apart filter assemblies each comprising a frame to support a wire mesh and filter cloth adapted to entrain a filtering powder compound to clean and purify the cooking oil. The purified oil from the filters is returned by a pump in a continuously circulating manner into the storage compartment.
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Hart Charles N.
Therkorn Ernest G.
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