Adsorbent breather filter

Details Adsorbent breather filter Adsorbent breather filter

2007-12-11

2007-12-11

Lawrence, Frank M. (Department: 1724)

Gas separation: apparatus

Solid sorbent apparatus

Plural diverse separating means

C096S139000, C055S385600, C360S097020

Reexamination Certificate

active

10918254

ABSTRACT:
The invention relates to a device for filtering contaminants, such as particulates and vapor phase contaminants, from a confined environment such as electronic or optical devices susceptible to contamination (e.g. computer disk drives) by improving performance and possibly incorporating multiple filtration functions into a unitary filter. The filter includes flow layers which improve filter performance. Filtration functions include a passive adsorbent assembly and can include a combination of inlet, or breather filter and adsorbent filter. Moreover, recirculation filter, diffusion tube and outside mount functions can be added to the filter depending on desired functionality within the enclosure.

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