Oil microsensor having interdigitated electrodes with rough surfaces and methods of making and using the same
US5200027A · kind A · utility
30Cited by
3References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 12, 1991 |
| Grant date | Apr 6, 1993 |
| Priority date | — |
| Expiry date | Nov 12, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N27/226
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Disclosed is an oil sensor having roughened electrode surfaces to produce oil condition related output current or voltage from the automotive engine oil as it is used.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.