A - Human Necessities – 23 – B
Patent
A - Human Necessities
23
B
34/2, 99/23
A23B 7/02 (2006.01) A23L 1/00 (2006.01) A23L 1/325 (2006.01) A23P 1/14 (2006.01) F26B 7/00 (2006.01)
Patent
CA 1073730
APPLICATION FOR UNITED STATES PATENT SPECIFICATION METHOD AND APPARATUS FOR EVAPORATION OF MOISTURE FROM FRUIT AND VEGETABLE PARTICLES Abstract of the Disclosure A method and apparatus for evaporating and con- densing moisture from a procession of prepared fruit and vegetable particles at subatmospheric pressures, to manufac- ture puffed, low-moisture food products. A series of stations of decreasing pressure and increasing temperature is established within the dehydrating apparatus, and the procession of food particles is led and guided by the apparatus to pass systematically from station to station of the series for dehydration treatment. As the particles advance through the series of stations of suc- cessively lower pressure, they encounter an oil temperature in each succeeding station which is higher, and a vapor head pressure which is lower, than in the preceding station. By the time leading particles have traversed all stations of the series, they have become puffed and dehydrated, Then they are cooled by contact with cool oil to fix the puffed con- dition, the oil is then removed from contact with the par- ticles in a centrifuge, and the finished food particles are then removed from the centrifuge and restored to atmospheric condition, without disturbing the regular progress of entry and dehydration of the following particles of the procession.
244520
Webb Wells A.
Webb William R.
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