EGR equipped diesel engines and lubricating oil compositions
US6715473B2 · kind B2 · utility
18Cited by
12References
40Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 30, 2002 |
| Grant date | Apr 6, 2004 |
| Priority date | — |
| Expiry date | Sep 25, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Soot induced kinematic viscosity increase of lubricating oil compositions for heavy duty diesel engines equipped with EGR systems operating in a condensing mode can be ameliorated by selection of viscosity modifier, lubricating oil flow improvers, detergents and dispersants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.