System and method for determining oil quality
US6675635B2 · kind B2 · utility
52Cited by
17References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 17, 2002 |
| Grant date | Jan 13, 2004 |
| Priority date | — |
| Expiry date | Apr 17, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/2888
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The oil quality used in a machine, vehicle or system can be determined in response to determining a temperature and pressure within an oil supply. Once the oil quality is determined, an oil quality warning light can be activated, indicating the need to change the oil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.