The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 29, 1987

Filed:

Jul. 22, 1986
Applicant:
Inventor:

Paul F Spadafora, Lagrangeville, NY (US);

Assignee:

Nabisco Brands, Inc., Parsippany, NJ (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F26B / ;
U.S. Cl.
CPC ...
34 43 ; 34 48 ; 34 50 ; 34 54 ;
Abstract

In a fluidized bed drying process, the average temperature of a group of particles being dried rises during a warm-up zone, remains constant during a constant-temperature drying zone and again increases during a final zone. In order to maintain the moisture content of the product at the output of the oven at a substantially constant level despite variations in the moisture content at the inlet to the oven, the temperature and/or flow rate of the drying air to the oven is varied in accordance with measured differences in the temperature of the group of particles at two instants in time during the drying process. At least one of the instants occurs during the warming-up zone or during the final temperature-increasing zone.


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Spadafora, Paul. (1987). Method and apparatus for drying wet particulate material to a (U.S. Patent No. 4696115). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4696115

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