Valve for fluid filter
US6722507B2 · kind B2 · utility
1Cited by
9References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 20, 2002 |
| Grant date | Apr 20, 2004 |
| Priority date | — |
| Expiry date | Jul 17, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7929
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A fluid filter assembly includes a valve assembly having a plunger with openings defined therein. The plunger includes a sealing portion and a non-sealing portion. The sealing portion sealingly engages a valve seat, while the non-sealing portion includes an opening which leads to a central passage through the plunger, the opening and central passage cooperating to direct the flow of fluid through the plunger and an associated spring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.