Reusable fluid filter
US5258118A · kind A · utility
75Cited by
1References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 27, 1992 |
| Grant date | Nov 2, 1993 |
| Priority date | — |
| Expiry date | Feb 27, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/17
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
This invention relates to a reusable filter unit for an internal combustion engine wherein the filter fulfills both a filtering function and an additive function, the filter including a filtering part with replaceable filtering media and an additive part adapted to receive replaceable chemical additives. The filter part includes a generally toroidal shaped plastic element for receiving a generally cone shaped replaceable filter media, which can be agglomerated fiber, the element fitting into, and permanently bonded to, an outer shell, with the additive part being located below the element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.