Dehydrator and method for dehydrating foodstuffs

Drying and gas or vapor contact with solids – Apparatus – With means to treat gas or vapor

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34 48, 34197, 99468, 99476, 99483, 426520, F26B 304

Patent

active

040658570

ABSTRACT:
A dehydrator comprises an enclosure having a door pivotally mounted on a front side thereof to normally close a chamber defined in the enclosure. A tubular manifold is disposed in the chamber and defines an inlet passage therein which communicates with the chamber via a plurality of orifices formed in the manifold. The fan is mounted on the enclosure for pumping air into the inlet passage formed in the manifold and a resistance-type heater is disposed in the passage to heat the air to a predetermined temperature level. The heated air is thus discharged through the orifices, formed in the manifold, to dehydrate foodstuffs disposed on racks removably mounted in the chamber of the enclosure. In carrying forth the method of this invention, the heated air is substantially uniformly circulated in the chamber and about foodstuffs disposed therein and such air is discharged from the chamber at a controlled flow rate while simultaneously maintaining a predetermined back pressure on the air in the chamber.

REFERENCES:
patent: 2017728 (1935-10-01), Oskamp
patent: 2380428 (1945-07-01), Gilliam
patent: 2410129 (1946-10-01), Phelps
patent: 2414502 (1947-01-01), Willcox
patent: 3135589 (1964-06-01), Stokes
patent: 3553425 (1971-01-01), Fry
patent: 3839622 (1974-10-01), Mastin
patent: 3943842 (1976-03-01), Bills et al.

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