Refrigeration – Material cooling means including gas-liquid contactor – Submerged gas inlet
Patent
1991-03-13
1991-12-17
Tapolcai, William E.
Refrigeration
Material cooling means including gas-liquid contactor
Submerged gas inlet
137897, 1376253, 251121, 251205, 261 62, F25C 120
Patent
active
050725998
ABSTRACT:
The present invention is directed toward an air and liquid product flow control element that can be adjusted to vary the flow of liquid dessert product and ambient air into the freezing chamber of a frozen confectionery dispensing machine. The invention is an air tube with a varied opening on its circumferential skin near one end, and a moveable sleeve that fits around the air tube. The air tube is positioned in the reservoir of liquid dessert product with its varied opening being submersed into the liquid. The air tube connects the freeze chamber with the ambient air above the liquid reservoir and allows liquid to flow through the varied opening into the freeze chamber.
The moveable sleeve that fits around the air tube extends from the ambient air above the liquid reservoir, down to the varied opening. By moving the sleeve up and down along the air tube, the sleeve blocks part or all of the varied opening. This allows a user to adjust the amount of liquid flow into the freeze chamber without having to reposition or remove the air tube. The amount of liquid and air can then be adjusted so that the dispensing machine is always operating at its most efficient air/liquid mixture, regardless of the rate at which the final product is extracted. The present invention thus shows a device that is easily retrofitted into existing machines and is more efficient, manufacturable and effective than any other shown in prior art.
REFERENCES:
patent: 3019615 (1962-02-01), Moser
patent: 3898585 (1975-08-01), Erickson
patent: 4045976 (1977-09-01), Mills
patent: 4412428 (1983-11-01), Giannella et al.
patent: 4549813 (1985-10-01), Volz et al.
patent: 4617802 (1986-10-01), Fielder
patent: 4696417 (1987-09-01), Ugolini
patent: 4831839 (1989-05-01), Anderson et al.
patent: 4850250 (1989-07-01), Mills
Owners Manual for the Taylor Freezemaster 750 Series, on pp. 17 and 21.
Glynn Kenneth P.
Tapolcai William E.
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