Method for diagnosing the malfunctioning of a device for adding an additive into a fuel for a vehicle, and system for implementing said method
US9677969B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jan 4, 2013 |
| Grant date | Jun 13, 2017 |
| Priority date | — |
| Expiry date | Jul 11, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The invention relates to a method for diagnosing the malfunctioning of a device for adding an additive into a fuel for a vehicle comprising an internal combustion engine, said method including: a step of analyzing the fuel in order to determine a variation in the amount of additive in the fuel; a step of comparing the variation in the amount of additive, measured during the previous step, with a theoretical variation in said amount; a step of sending information when the difference between the measured variation and the theoretical variation exceeds a set value. The invention also relates to a system for adding an additive into fuel and for diagnosis for a vehicle comprising an internal combustion engine, which is intended for implementing said method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.