Gas and liquid contact apparatus – With external supply or removal of heat – Temperature or humidity sensor
Reexamination Certificate
2005-09-28
2009-02-24
Hopkins, Robert A (Department: 1797)
Gas and liquid contact apparatus
With external supply or removal of heat
Temperature or humidity sensor
C261S043000, C261S064300, C261S107000
Reexamination Certificate
active
07494114
ABSTRACT:
A system and method for producing a controlled blend of two or more fluids. Thermally-induced permeation through a permeable tube is used to mix a first fluid from outside the tube with a second fluid flowing through the tube. Mixture ratios may be controlled by adjusting the temperature of the first fluid or by adjusting the pressure drop through the permeable tube. The combination of a back pressure control valve and a differential regulator is used to control the output pressure of the blended fluid. The combination of the back pressure control valve and differential regulator provides superior flow control of the second dry gas. A valve manifold system may be used to mix multiple fluids, and to adjust the volume of blended fluid produced, and to further modify the mixture ratio.
REFERENCES:
patent: 3521865 (1970-07-01), Kertzman
patent: 6182951 (2001-02-01), Hallman, Jr. et al.
Babcock & Wilcox Technical Services Y-12, LLC
Hopkins Robert A
Luedeka Neely & Graham P.C.
Renner Michael J.
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