Lubricant fluid composition and methods for reducing frictional losses therewith in internal combustion engines
US5320761A · kind A · utility
7Cited by
10References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 27, 1992 |
| Grant date | Jun 14, 1994 |
| Priority date | — |
| Expiry date | Jul 27, 2012 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01M11/10
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Lubricant efficiency in an internal combustion engine is improved by determining the frictional coefficient of the lubricant and adding appropriate additives to adjust viscosity and surface tension to optimum ranges. This results in improved fuel economy and reduced engine wear.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.