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US 2015/0082985 A1Published application
Recirculation filter for an electronic enclosure
AssigneeDonaldson Company, Inc.
InventorsStanley B. Miller, III, Allen N. Nicklay, Christopher J. Fischer
Life of this patent
Estimating the term…
Abstract
A filter assembly for use in an electronic enclosure is provided. The filter assembly includes a highly permeable scrim that defines an elongate enclosure with an inlet at a first end and a closed second end, wherein an electrostatic filtration media is disposed within the elongate enclosure.
Claims25
A filter assembly for use in an electronic enclosure, the filter assembly comprising:
- a first sheet of filter material defining including an open front face, a closed rear face, and an internal recess, wherein the first sheet of filter media comprises a scrim material and an electrostatic material at least partially covering the scrim material;
- and
- a second sheet of filter material disposed over the open front face and bonded to the first sheet of filter material.
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A method of making a filter assembly comprising:
- forming a first sheet of filter material to substantially retain the shape of an internal recess, wherein the first sheet of filter material comprises a scrim material and an electrostatic material at least partially covering the scrim material;
- positioning a second sheet of filter material over the internal recess;
- and
- welding the first sheet of filter material to the second sheet of filter material around the internal recess.
1 more element
Dependencies are inferred from the claim text.