Drying and gas or vapor contact with solids – Process – Gas or vapor contact with treated material
Patent
1999-01-29
2000-08-29
Ferensic, Denise L.
Drying and gas or vapor contact with solids
Process
Gas or vapor contact with treated material
34236, 34241, 34232, 198493, F26B 300
Patent
active
061089389
ABSTRACT:
The invention is of methodologies and associated equipment, the practice and use of which, in the context of drying systems used in the drying of conveyorized articles bearing residual moisture from prior manufacturing steps, provides substantially enhanced drying efficacy and substantially accelerated drying rates, when compared with presently available drying systems. The present invention is of certain design parameters for drying systems, and associated methods, the practice of which result in impingement pressures, created by air or flowing from drying system nozzles onto to-be-dried articles of manufacture, which fall between the certain optimum ranges discovered by the present inventor for drying articles such as printed circuit boards in an assembly line context. The design parameters pertain to relative dimensions and positioning of air supply conduits, manifolds, nozzles, and conveyor surfaces, as well as performance parameters such as the velocity of air exiting the drying system nozzles.
REFERENCES:
patent: 4777734 (1988-10-01), Elferink
Ferensic Denise L.
Henry David G.
Mattera Michelle
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