Method and apparatus for dehydrating foods employing geothermal steam

• US 3,206,866 A
• Filed: 02/07/1963
• Issued: 09/21/1965
• Est. Priority Date: 02/07/1963
• Status: Expired due to Term

• Current Assignee: Barkman C. Mccabe
• Original Assignee: Barkman C. Mccabe
• Inventors: Mccabe, Barkman C.
• Application Number:
  US04/256,853
• Time in Patent Office: 957 Days
• US Class Current: 34/408
• CPC Class Codes: F26B 5/041 for drying flowable materials, e.g. suspensions, bulk goods, in a continuous operation, e.g. with locks or other air tight arrangements for charging/discharging
• CPC Class Codes: Y10S 159/902 using natural heat

Claims

8. THE METHOD OF DESICCATION OF FOOD PRODUCTS INCLUDING THE STEPS OF (A) INTRODUCING FOOD PRODUCTS TO BE PROCESSED INTO A SUBSTANTIALLY AIR-TIGHT DEHYDRATOR CHAMBER;

(B) HEATING SAID FOOD PRODUCTS IN SAID DEHYDRATOR CHAMBER BY TRANSFERRING HEAT THERETO FROM A SOURCE OF HOT WATER;

(C) INTRODUCING STEAM INTO A BAROMETRIC CONDENSER AND SIMULATANEOUSLY COOLING SAID CONDENSER SO AS TO CONDENSE SAID STEAM;

AND (D) DRAWING AIR AND WATER VAPOR INTO SAID CONDENSER FROM SAID DEHYDRATOR CHAMBER BY MEANS OF SAID STEAM CONDENSATION SO AS TO CREATE A SUFFICIENT VACUUM CONDITION IN SAID DEHYDRATOR CHAMBER TO CAUSE WATER CONTAINED IN SAID FOOD PRODUCTS TO BOIL OFF OF SAID FOOD PRODUCTS.