Method for an internal combustion engine
US10669965B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 24, 2016 |
| Grant date | Jun 2, 2020 |
| Priority date | — |
| Expiry date | Jan 5, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Various embodiments may include a method for operating an internal combustion engine comprising: measuring pressure oscillations assignable to a cylinder in the inlet tract at a defined operating point during normal operation; generating a corresponding pressure signal; determining a corresponding crankshaft phase angle; calculating an injection signal component caused by fuel injection by subtracting a reference base pressure oscillation signal; determining a signal phase position and a signal amplitude of the injection signal component; determining an injection start time; determining an injection quantity on the basis of the signal amplitude and reference amplitudes; and adapting operation of the internal combustion engine based on the determined injection quantity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.