Exhaust gas purification device of internal combustion engine
US7730721B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Nov 7, 2008 |
| Grant date | Jun 8, 2010 |
| Priority date | — |
| Expiry date | Nov 7, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
The exhaust gas purification device of an internal combustion engine of the present invention comprises an exhaust passage for guiding an exhaust gas exhausted from an engine to outside, a catalyst provided in the exhaust passage, an injection path connected on an upstream side of the catalyst in the exhaust passage, an additive injection valve installed in the injection path for supplying an additive to the catalyst through the injection path, and an inflow portion provided in a merging portion where the exhaust passage and the injection path merge for having a part of the exhaust gas flowing in the exhaust passage flow into the injection path.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.