Engine control apparatus and engine operating method
US7685810B2 · kind B2 · utility
28Cited by
8References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 13, 2004 |
| Grant date | Mar 30, 2010 |
| Priority date | — |
| Expiry date | Sep 13, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
When an abnormality occurred in a SCR device is detected, the output of an engine is restricted. To this end, in one embodiment, at the time of an abnormality occurrence, a map adopted for calculating a fuel injection quantity is switched from that for a normal time (S407). Further, as the abnormality to be detected, the clogging of an injection nozzle, the dilution of urea water stored in a tank, or the like is adopted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.