Geometry for web microwave heating or drying to a desired profile in a waveguide

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United States of America Patent

PATENT NO 6965099
SERIAL NO

09941044

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Abstract

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A microwave heater and/or dryer has a nonlinear or curvilinear relative slot profile geometry. In one embodiment, the microwave dryer has at least one adjustable field modifier making it possible to change the geometry of the heater or dryer when drying different webs. In another embodiment, the microwave dryer provides more uniform drying of a web when the field modifier is adjusted in response to a sensed condition of the web. Finally, a method of microwave heating and/or drying a web achieves a uniform heating and/or drying profile.

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Patent Owner(s)

Patent OwnerAddress
GEORGIA TECH RESEARCH CORPORATION505 TENTH STREET N W ATLANTA GA 30332-0415

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ahrens, Frederick W Duluth, GA 7 465
Habeger, Jr Charles C Smyrna, GA 11 508
Patterson, Timothy F Atlanta, GA 6 55

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