Diagnostic system for catalytic converter using exhaust gas recirculation system that can detect exhaust pressure buildup
US6968833B2 · kind B2 · utility
13Cited by
10References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 31, 2004 |
| Grant date | Nov 29, 2005 |
| Priority date | — |
| Expiry date | Mar 31, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A method is described for detecting exhaust pressure buildup in an engine's exhaust system using information from an exhaust gas recirculation system having a valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.