Method and apparatus for prevention of atmospheric corrosion of

Details Method and apparatus for prevention of atmospheric corrosion of Method and apparatus for prevention of atmospheric corrosion of

1985-12-20

1987-08-04

Lacey, David L.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

423230, 423239, 423240, 423244, 422193, 360 97, 55 97, 55316, 55385E, 55485, 55DIG42, B01J 804, B01D 5000

Patent

active

046845100

ABSTRACT:
A chemical filter is provided for preventing pollutants in the atmosphere from contaminating sensitive electronic equipment, such as hard disc drives. The chemical filter comprises a layer of charcoal or charcoal-impregnated foam to remove organic contaminants and at least one layer of a high surface area metal to remove inorganic pollutants, such as SO.sub.2, H.sub.2 S, NO.sub.2 and Cl.sub.2. In one embodiment, the chemical filter comprises a layer of charcoal, a layer of a copper foam, a layer of a nickel foam and a layer of a particle filter.
A method is also provided for preventing pollutant molecules in the atmosphere from contaminating electronic equipment. The method comprises interposing the chemical filter of the invention between the electronic equipment and the source of the pollution, introducing polluted air into the chemical filter, reacting pollutant molecules with the high surface area metal, and introducing filtered air to the electronic equipment.

REFERENCES:
patent: 1040914 (1912-10-01), Farmer
patent: 1315163 (1919-09-01), Schwartz
patent: 1422211 (1922-07-01), Lamb
patent: 3555787 (1971-01-01), Lustig
patent: 3740735 (1973-06-01), Gabor
patent: 3817716 (1974-06-01), Betz
patent: 4152229 (1979-05-01), Soltys et al.
patent: 4386948 (1983-06-01), Choksi et al.
H. A. Bray, Porous Metal Foams, Filtration & Separation May/Jun. 1973, pp. 321, 322, 323 and 325.

Affiliated with

Also associated with

Rating

Method and apparatus for prevention of atmospheric corrosion of does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and apparatus for prevention of atmospheric corrosion of , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for prevention of atmospheric corrosion of will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-883031