Exhaust line for an internal-combustion engine having a shut-off valve with a diagnostic capability
US8468804B2 · kind B2 · utility
0Cited by
5References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 10, 2008 |
| Grant date | Jun 25, 2013 |
| Priority date | — |
| Expiry date | Jun 9, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/8326
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
An exhaust line of an internal-combustion engine contains a catalyst and a bypass pipe bypassing the catalyst. The bypass pipe can be shut-off by way of a shut-off valve. The shut-off valve has a diagnostic device for diagnosing a tightness of the shut-off valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.