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Method and apparatus for providing a precise amount of gas at a precise humidity

United States Patent

February 6, 2001
View the Complete Patent at the US Patent & Trademark Office
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A fluid transfer system includes a permeable fluid carrier, a constant temperature source of a first fluid, and a constant pressure source of a second fluid. The fluid carrier has a length, an inlet end, and an outlet end. The constant pressure source connects to the inlet end and communicates the second fluid into the fluid carrier, and the constant temperature source surrounds a least of portion of the length. A mixture of the first fluid and the second fluid exits via the outlet end A method of making a mixture of two fluids is also disclosed.
Hallman, Jr.; Russell L. (Knoxville, TN), Truett; James C. (Knoxville, TN)
Lockheed Martin Energy Systems, Inc. (Oak Ridge, TN)
09/ 150,920
September 10, 1998