Method of lubricating a transmission which includes a synchronizer with a non-metallic surface
US10196581B2 · kind B2 · utility
1Cited by
6References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 22, 2014 |
| Grant date | Feb 5, 2019 |
| Priority date | — |
| Expiry date | Jul 22, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2070/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention provides a method of lubricating a transmission which includes a synchronizer with a non-metallic surface, the method comprising supplying thereto a lubricant comprising: (a) an oil of lubricating viscosity; (b) an alkaline earth metal detergent; and (c) a non-aromatic carboxylic acid or a salt thereof having 8 to 24 carbon atoms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.