Method and apparatus for determination of lubricant stability
US4438203A · kind A · utility
8Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 14, 1982 |
| Grant date | Mar 20, 1984 |
| Priority date | — |
| Expiry date | Jun 14, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/2888
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Method and apparatus for determining when a lubricant has reached the end its useful life due to oxidative degradation. The apparatus continuously monitors the evolution of gaseous emission from the lubricant when subjected to oxidizing conditions, and detects the increased gas emission accompanying oxidative breakdown.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.