Patent ID: 6796223
Filing Date: 2004-09-28
Classification: A23L,F26B

Abstract:
A food drying machine comprising,a generally rectangular main chamber having two opposite side walls, a front wall and a rear wall, a first large opening formed in one of said side walls, and a second large opening formed in the opposite side wall, a first funnel shaped incoming air diffuser member mounted on said one of said side walls and covering over said first large opening, a second funnel shaped exhaust air collector member mounted on said opposite side wall and covering over said second large opening, a transition duct coupled to said incoming air diffuser member, an air inlet duct connected to said transition duct, a variable speed air blower located in said transition duct and adapted for drawing air from an inlet port to flow through said main chamber, a return air duct coupled to exhaust air collector member and to said air inlet duct and being operative to conduct a selected portion of exhaust air from said main chamber back to said air diffuser member, said return air duct having an exhaust duct provided with an air exhaust port adapted to release selected portion of exhaust air from said main chamber, a first door opening formed at a bottom portion of said front wall of said main chamber and extending horizontally over the width of said front wall, and adapted for receiving a plurality of food trays inserted, one at a time, into said main chamber, a second door opening formed at a top portion of said front wall of said main chamber and extending horizontally over the width of said front wall, and adapted for retrieving said food tray, one at time, from said main chamber.