Grease catch basin with solvent reservoir for use with cooking e

Details Grease catch basin with solvent reservoir for use with cooking e Grease catch basin with solvent reservoir for use with cooking e

1985-05-01

1987-01-13

Joyce, Harold

Stoves and furnaces

Stove hoods

55242, 55385R, 55DIG36, F24C 1520

Patent

active

046356177

ABSTRACT:
For use particularly with exhaust systems from cooking areas, such as roof-mounted restaurant exhaust fans, a grease catch basin is mountable about the exhaust duct so as to collect condensed or precipitated grease from exhaust system parts lying above the catch basin, typically an exhaust fan and housing. Such condensed or precipitated grease flows or drips into the catch basin surrounding the duct. The catch basin is of sheet aluminum, and typically is mounted about the conventional roof curb through which the exhaust duct extends. A solvent reservoir is mounted in the upper part of the grease catch basin, and contains a solvent for breaking down grease. Solvent passes from the reservoir into the catch basin preferably via a rope wick extending through the bottom of the solvent reservoir into the catch basin. Wicking action can be controlled by controlling the compression of the rope wick. The catch basin is open-topped, such that rain water also can fall into the catch basin. Openings are provided in the lower walls of the catch basin, above the bottom thereof, such that the contents of the catch basin can flow through these openings onto a roof or other structure when the contents exceed a certain level. The contents typically will be broken down grease, solvent and water. By breaking down the grease through the solvent action before it passes onto the roof, the corrosive action of cooking grease on roofing materials is eliminated or minimized, and potential fire hazards are reduced, in addition to avoidance of accumulation of unsightly and smelly fats and greases on a roof or other structure. The system is passive and simple, requiring minimal maintenance at fairly extended intervals.

REFERENCES:
patent: 3248858 (1966-05-01), Toke
patent: 3393497 (1968-07-01), Donnelly
patent: 3406500 (1968-10-01), Deming
patent: 3795181 (1974-05-01), Lawson
patent: 4323373 (1982-04-01), Fritz
patent: 4460386 (1984-07-01), Diachuk

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