Sump filter with filter element cartridge
US7282140B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 2, 2004 |
| Grant date | Oct 16, 2007 |
| Priority date | — |
| Expiry date | Apr 13, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2201/305
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A sump filter assembly wherein a filter element that may or may not be removably disposed in a filter housing is sealingly engaged with the filter housing by way of a sealing member to separate the filter housing cavity between dirty and clean spaces. The filter element is provided with filtration material with a portion thereof embedded in the filter element, the filter element is further provided with a sealing member retaining shoulder to ensure proper placement of the sealing member in the assembly, with the sealing member being an O-ring or gasket member, among other things, and a bypass valve for cold flow of transmission fluid is optionally provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.