Nonsaturable microdryer

Details Nonsaturable microdryer Nonsaturable microdryer

1984-05-23

1985-07-09

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204 1R, 204277, 204278, 204283, C25B 104

Patent

active

045280789

ABSTRACT:
A nonsaturable microdryer is provided for electrolytically removing moisture from sealed containers, particularly electronic equipment. An electrode/electrolyte assembly is disposed within a channel between the interior and exterior of a sealed container. A catalytic barrier disposed between the interior of the sealed container and the electrode/electrolyte assembly prevents the build-up of explosive concentrations of hydrogen by converting back-diffusing hydrogen and oxygen back into water, which is then recycled. A semipermeable membrane disposed between the exterior of the sealed container and the electrode/electrolyte assembly allows selective removal of hydrogen and prevents intake of water.

REFERENCES:
patent: 3086924 (1963-04-01), Bentley et al.
patent: 3188283 (1965-06-01), Cole
patent: 3400069 (1968-09-01), Dreckmann
patent: 3474023 (1969-10-01), Bloch
patent: 3475302 (1969-10-01), Langer et al.
patent: 4050995 (1977-09-01), Bredeweg
patent: 4094652 (1978-06-01), Lowther
patent: 4247988 (1981-02-01), Berkowitz et al.
patent: 4332663 (1982-06-01), Berneke
"Microdryer for Permanent Protection of Enclosures", by Hirschfeld et al, UCRL 89116 Abstract, 4-28-83.

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