Variable oil pump diagnostic
US8739746B2 · kind B2 · utility
8Cited by
3References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2012 |
| Grant date | Jun 3, 2014 |
| Priority date | — |
| Expiry date | Mar 9, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01M15/09
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Embodiments for indicating degradation of a piston-cooling jet system are provided. In one example, an engine method comprises indicating degradation of a piston-cooling jet system in response to a relationship between engine speed and oil pressure at maximum oil pump displacement conditions. In this way, engine operation may be adjusted in response to an indicated degradation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.