Molecular restricter

Details Molecular restricter Molecular restricter

1991-06-27

1992-09-08

Spitzer, Robert

Gas separation

Means within gas stream for conducting concentrate to collector

55389, 55521, B01D 5700

Patent

active

051454939

ABSTRACT:
A molecular restricter for inhibiting or preventing gas molecules from flowing past a point, such as a piece of optical equipment, substantially without inhibiting particles mixed therewith from passing therethrough is described. The molecular restricter has a plurality of elongated cells with each end open to permit the particles to pass through. However the width of the cell must be less than the mean free path .gamma. of the molecules under the conditions the restricter is to be used with. In one embodiment, the length of the cell is at least ten times longer than its width. The cells are arranged adjacent to each other and in parallel orientation. The walls of each cell must also be parallel to permit free transmission of the particles or light therethrough.

REFERENCES:
patent: 4466811 (1984-08-01), Johnson, III
patent: 4764186 (1988-08-01), Langer
patent: 4770675 (1988-09-01), Kurzweg et al.

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