Filter for humidity control, typically for control of humidity in a bulk liquid tank
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United States of America Patent
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Dec 12, 2017
Grant Date -
Feb 2, 2017
app pub date -
Oct 14, 2016
filing date -
Mar 6, 2012
priority date (Note) -
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Abstract
A filter is includes a housing and at least first and second adsorbent materials within the housing. The second adsorbent material has different characteristic from the first adsorbent material and is in series with the first adsorbent material. When assembled, a labyrinth arrangement is located between a first port in the housing and the first adsorbent material such that gas travels between the first port and the first adsorbent material by passing through the labyrinth arrangement. A filtration system and methods for humidity control of a liquid tank head space uses a filter, including first and second adsorbent and a diffusion channel or labyrinth arrangement.
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