EGR differential pressure sensor auto calibration method
US7474954B1 · kind B1 · utility
11Cited by
5References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 23, 2007 |
| Grant date | Jan 6, 2009 |
| Priority date | — |
| Expiry date | Aug 23, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A method for operating an electronic controlled internal combustion engine with an electronic control unit (ECU) having at least nonvolatile memory and tables resident therein to automatically recalibrate an exhaust gas recirculation (EGR) differential pressure sensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.