Gas separation – With nonliquid cleaning means for separating media – Solid agent cleaning member movingly contacts apparatus
Patent
1980-03-24
1982-02-02
Lacey, David L.
Gas separation
With nonliquid cleaning means for separating media
Solid agent cleaning member movingly contacts apparatus
55DIG33, 55DIG34, 422119, 422120, 116DIG25, B01D 5304
Patent
active
043137431
ABSTRACT:
An electrolytic device adapted for mounting on the interior wall of a container housing sorbent chemicals for detection and display of moisture content. A sandwich or tab-type probe includes superhydroscopic MgClO.sub.4 or CaSO.sub.4 particles which resist electrical current flow when dry and have a higher affinity for moisture than the sorbent chemicals in cartridges or filters. Moisture intrusion is drawn to the anhydrous MgClO.sub.4 or CaSO.sub.4 particles changing their ohmic resistance and thereby enabling visual and nondestructive detection of the moisture intrusion into the container or cartridge. The probe is spaced away from the sorbent chemicals avoiding the transfer of mechanical stresses and any additional pressure drop through the sorbents, thereby permitting the device to be used in combination with a wide range of sealed containers and air filters.
REFERENCES:
patent: 2621753 (1952-12-01), Urdahl
patent: 2716338 (1955-08-01), Blinn
patent: 3142830 (1964-07-01), Patrick et al.
patent: 3773044 (1973-11-01), Wallace
patent: 3944916 (1976-03-01), Tillander
patent: 4154586 (1979-05-01), Jones et al.
King William A.
Lacey David L.
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