Clean lubricant circulation system
US6273031A · kind A · utility
21Cited by
32References
52Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 11, 1998 |
| Grant date | Aug 14, 2001 |
| Priority date | — |
| Expiry date | Dec 11, 2018 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01M11/0458
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A combination in situ oil filter purge and oil replacement system is provided in a lubrication system, including for an internal combustion engine (10). A purge system backflushes the oil filter (12) and re-circulates backflushed used oil. A replacement system supplies fresh oil to the filter (12).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.