Diagnostic system for an emissions control on an engine
US6266955A · kind A · utility
75Cited by
19References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 20, 1999 |
| Grant date | Jul 31, 2001 |
| Priority date | — |
| Expiry date | Aug 20, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A selective catalytic reduction emissions control includes a NO.sub.x -reducing reagent stored in a vessel. The system includes apparatus and a method for determining when the vessel is empty or when the vessel is filled with a substance other than an acceptable NO.sub.x -reducing reagent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.