A - Human Necessities – 23 – L
Patent
A - Human Necessities
23
L
34/49
A23L 3/16 (2006.01) A23L 3/40 (2006.01) F26B 9/06 (2006.01) F26B 21/02 (2006.01)
Patent
CA 1127836
FOOD DEHYDRATING MACHINE ABSTRACT OF THE DISCLOSURE A machine for dehydrating food, as an aid toward preservation of food for extended periods of time. Intake air may be obtained from either the exterior of the machine or a combination of exterior and recycled air. Intake air is electrically heated and pressurized in a plenum chamber by a fan. The pressurized and heated air is released in a uniform laminer flow through a set of small openings, thence along horizontally disposed shelves containing the food to be dried. The air is then selectively discharged into the atmosphere or a portion thereof is recycled and combined with new intake air and again passed over the food to he dehydrated. The percentage of recycled air is selectively variable over a wide range. Removable frames support either solid sheets or screens having mesh openings of desired sizes which support the food to be dried. The choice of a solid sheet or the mesh size depends upon the type of food to be dried. The intake air is filtered and the electrical heater is temperature controlled by a thermister-triac combination or bi-metallic thermostat which senses the temperature within the plenum and controls the current flowing through the electrical heating element
297064
Dornbush David A.
Erickson Chad S.
Alternative Pioneering Systems Inc.
Barrigar & Moss
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