Filter with diffusion channel and methods of making and using th

Details Filter with diffusion channel and methods of making and using th Filter with diffusion channel and methods of making and using th

1998-07-13

1999-12-07

Simmons, David A.

Gas separation: apparatus

Apparatus for selective diffusion of gases

553856, 55501, 55524, 360 9702, B01D 5322

Patent

active

059976144

ABSTRACT:
A filter has a channel layer film defining a channel, a boundary layer mounted to at least a portion of the channel layer film and forming a non-adhesive boundary for the channel, and filter media disposed in fluid communication with the channel. The boundary layer typically includes a non-porous or semipermeable film. The filter is configured and arranged to provide for flow of at least a portion of a fluid along the channel and into the filter media. This filter can be used in a device as a filter over a vent in a housing of the device.

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