Donaldson Company, Inc.
FILTER MEDIA WITH IMPROVED DUST LOADING
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Abstract:
Embodiments disclosed herein relate to filter media having a downstream layer of filter material and an upstream layer of fibers. The downstream layer of filter material has a capture efficiency of at least 10% and the upstream layer of fibers has a mean fiber diameter of at least 10 microns and a solidity of less than 10%. A spacing structure defines a mean void distance between the upstream layer of fibers and the downstream layer of filter material.
Status:
Application
Type:
Utility
Filling date:
27 Mar 2020
Issue date:
19 May 2022