Method and apparatus for adding additives to lubricating oil
US5067455A · kind A · utility
25Cited by
10References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 31, 1990 |
| Grant date | Nov 26, 1991 |
| Priority date | — |
| Expiry date | Oct 31, 2010 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16N2200/08
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Additive is supplied to the lubricating oil by an additive supplying pump according to TBN of the lubricating oil which is detected by a TBN sensor which detects the current produced by the impressed voltage. TBN is kept between 0 and 2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.