Exhaust cleaner for internal combustion engine
US7954313B2 · kind B2 · utility
18Cited by
3References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 17, 2006 |
| Grant date | Jun 7, 2011 |
| Priority date | — |
| Expiry date | Jan 22, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An exhaust purifying system for an internal combustion engine is provided with a plurality of DPFs (30a and 30b) branched and connected to an exhaust passage (15) for collecting particulate matter in an exhaust gas and an ozone supplier for supplying ozone to the upstream side of each of the plurality of DPFs (30a and 30b). The system respectively changes a ratio of a supply amount of the exhaust gas and a ratio of a supply amount of the ozone between the plurality of DPFs (30a and 30b).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.