Filter cartridge; components thereof; and methods
US11623172B2 · kind B2 · utility
0Cited by
41References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 1, 2020 |
| Grant date | Apr 11, 2023 |
| Priority date | — |
| Expiry date | Aug 6, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2275/206
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An air filter cartridge includes a coiled media pack with inlet flutes and outlet flutes. The coiled media pack has first and second rounded ends with at least a first straight side and a second side. The coiled media pack has: (i) a length extending along a straight line from a center of the first rounded end to a center of the second rounded end; (ii) a first width between the first straight side and second side; the first width being perpendicular to the length; and (iii) a second width thereacross; the second width being perpendicular to the length. The first width is narrower than the second width.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.