Sweep air system for membrane air dryer

Details Sweep air system for membrane air dryer Sweep air system for membrane air dryer

2007-04-24

2011-11-29

Greene, Jason M (Department: 1776)

Gas separation: processes

Selective diffusion of gases

Selective diffusion of gases through substantially solid...

C095S043000, C095S045000, C096S008000, C210S321870

Reexamination Certificate

active

08066801

ABSTRACT:
A membrane dryer includes a shell having an inner tube and an outer tube and a bundle of hollow fibers supported in the shell. A dryer air inlet into the hollow fibers and a sweep air outlet from the inner tube are at a first end of the shell. A dryer air outlet into the hollow fibers and a sweep air inlet from the inner tube are at a second end of the shell. The inner tube has a first set of circumferential openings into the sweep air space adjacent the first end of the shell and a second set of circumferential openings into the sweep air space adjacent the first end of the shell; and a second plug is in the inner tube between the first and second set of openings.

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