Filter with dual pleat pack
US10753241B2 · kind B2 · utility
1Cited by
10References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 3, 2018 |
| Grant date | Aug 25, 2020 |
| Priority date | — |
| Expiry date | Jul 3, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49826
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A fluid filter apparatus comprising an upper housing shell; a lower housing shell; a pleat pack element comprising a peripheral frame and a folded pleated media. The frame is at least partially molded over the media to secure the media in the frame, and the media comprises two or more types of media of different densities from each other. A flow control element is disposed for changing the proportion of flow between the first media and the second media responsive to changes in at least one of temperature, pressure, flow rate and/or viscosity of the fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.