A - Human Necessities – 23 – L
Patent
A - Human Necessities
23
L
99/195, 99/203
A23L 3/02 (2006.01) A23L 3/00 (2006.01) A23L 3/14 (2006.01)
Patent
CA 1254079
APPARATUS FOR COOKING AND CHILLING FOOD USING HEAT EXCHANGE UNIT FOR PROCESS WATER MAKE-UP ABSTRACT Apparatus useful in a food processing system wherein food is cooked and then rapidly chilled to a desired temperature which allows extended storage life, the invention provides a particular subsystem for such a food processing system, the subsystem having the capability within a single structure to cook food items packaged in sealed casings in a hot water bath, to chill the food items so cooked, and to tumble chill cooked food items or to cook food items packaged in sealed casings. The apparatus of the invention provides these capabilities within a single, inexpensive structure which includes a tank body having a rotary, perforated cylinder mounted within the tank body for rapid assembly and removal. In one embodiment, the tank body has a steam jacket for heating water within the tank body to a desired cooking temperature and for maintaining said temperature during a prolonged cooking operation, the subsystem of the invention automatically acting to drain the heated cook- ing water and refill with chilled recirculating water to rapidly chill the cooked items sealed within casings to a desired temperature. In a second embodiment, the water within the tank body is chilled or heated through use of a heat exchange device, preferably a shell and tube heat exchanger, to heat process water by passage in counter- current heat exchanging relation with steam and to chill process water by passage in counter-current relation with chilled liquid, the heating/chilling of the process water preferably occurring in the same heat exchange device. The tank body is capable of rapidly receiving and mounting the perforated cylinder for tumbling of cooked food items in sealed casings in contact with chilled water and/or ice, the structure of the cylinder acting to massage the casings to provide rapid and effective thermalization of the contents of the casings to the desired temperature.
496217
Gabriele Valentino
Pardo Richard J.
Pardo Warren A.
Mccarthy Tetrault Llp
Pardo (j.c.) And Sons
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