Geometry For Web Microwave Heating Or Drying To A Desired Profile In A Waveguide

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Date
11/15/2005Author
Habeger Jr., Charles C.
Patterson, Timothy F.
Ahrens, Frederick W.
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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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- Georgia Tech Patents [1761]