Foods and beverages: apparatus – Mechanical – fluid or heat treatment of dairy food – With temperature or atmosphere modification
Patent
1997-06-09
1998-11-03
Simone, Timothy F.
Foods and beverages: apparatus
Mechanical, fluid or heat treatment of dairy food
With temperature or atmosphere modification
62342, 99348, 99468, 99489, 366146, 366149, 366251, 366601, A47J 43044, A23G 900, A23G 912, B01F 720
Patent
active
058293442
ABSTRACT:
A kitchen appliance for preparing yogurt, soft frozen yogurt and ice cream, hard frozen yogurt and ice cream, and cheese. The appliance includes a container having a generally square open top around the periphery of which are switch actuators or contacts. A square cover having a plurality of vent openings formed therethrough and electrical switch devices positioned about its periphery for cooperation with those on the rim of the container is used to select the mode of operation for accommodating the type of food item being prepared based on which of the four possible ways it can be positioned on the container. A motor-driven paddle device is rotationally journaled with respect to the cover and the motors therefor are adapted to be driven either continuously or with a predetermined duty cycle, dependent upon the product being made. Also mounted on the cover is a vent hole occluder that is normally positioned to block the vent holes, but which shifts to a second position uncovering those vent holes when the consistency of the product being produced, as tested by the paddle motion, increases the resistance to rotation. Shifting of the occluding device from the covering position to the open position also actuates a switch to shut off the drive motor and a heating element.
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