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RELATIVE HUMIDITY SENSOR ENCLOSED WITH KAPTON TYPE HEATER

United States Patent Application

20050247107
A1
View the Complete Application at the US Patent & Trademark Office
Sensor systems and methods are disclosed herein. A relative humidity sensor can be associated with one or more heating elements, wherein a perimeter of the relative humidity sensor is surrounded with a relatively conductive material. A thin substrate material can surround and laminate the heating element, such that the heating element is porous to permit humid air to pass through the heating element and wherein the at the heating element is assembled slightly offset from a surface of the relative humidity sensor. Air that is saturated with water vapor can then pass through and be heated by the heating element in order to evaporate water droplets associated with the water vapor to thereby reduce relative humidity to a measurable level.
Speldrich, Jamie W. (Freeport, IL), Alderman, Richard A. (Freeport, IL)
Honeywell International, Inc.
10/ 859,380
June 2, 2004
[0002] The United States government may have rights in the invention described herein made in the performance of work under Department of Energy (DOE) Cooperative Agreement DE-FC36-02AL67615.