Exhaust purification device for internal combustion engine, and exhaust control device and exhaust control method for internal combustion engine
US8146353B2 · kind B2 · utility
1Cited by
2References
4Claims
0Family size
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Key dates
| Filing date | May 20, 2008 |
| Grant date | Apr 3, 2012 |
| Priority date | — |
| Expiry date | Jan 14, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
An exhaust purification device includes a front catalyst arranged in an exhaust system of the internal combustion engine that is longitudinally mounted in a vehicle, a rear catalyst arranged in the exhaust system downstream of the front catalyst, and a bypass pipe that communicates with the exhaust passage of the exhaust system upstream of the front catalyst, communicates with the exhaust passage between the front catalyst and the rear catalyst, and is arranged at a position that is spaced apart in a direction perpendicular to the vibration direction of the exhaust system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.