Filter media pack, filter assembly, and method
US10610812B2 · kind B2 · utility
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45References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 22, 2018 |
| Grant date | Apr 7, 2020 |
| Priority date | — |
| Expiry date | Oct 22, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2262/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Disclosed are filter media packs having a single layer of a high loft filter media and a single layer of a low loft filter media, the filter media pack characterized by the absence of oil added to the filter media pack, the filter media pack capable of filtering air laden particulates from an air stream at greater than 94% efficiency at air stream flow rates of between about 100 feet per minute and 3000 feet per minute. Also disclosed are filter assemblies formed from the filter media pack, and methods of using the filter assemblies.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.