Donaldson Company, Inc.
FILTER MEDIA WITH IMPROVED DUST LOADING

Last updated:

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