Method, system and apparatus for detecting injector closing time
US10871120B2 · kind B2 · utility
0Cited by
3References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 14, 2018 |
| Grant date | Dec 22, 2020 |
| Priority date | — |
| Expiry date | Jan 18, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A control unit, controller and non-transitory machine-readable medium for detecting a closing time of an injector valve are disclosed. The control unit is configured to receive a valve current profile of the injector valve, process the valve current profile using at least a slope discriminator, and determine a stuck status and a closing time (if applicable) of the injector valve based on an output of the slope discriminator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.