System and method for reducing pollutants in the exhaust gas of an internal combustion engine
US6357227B1 · kind B1 · utility
21Cited by
8References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 27, 2000 |
| Grant date | Mar 19, 2002 |
| Priority date | — |
| Expiry date | Sep 27, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An exhaust system for an internal combustion with a catalytic converter connected to the exhaust pipe for cleaning the engine exhaust gas in the presence of a reducing agent also includes a condensation water collector into which the exhaust gases are diverted prior to reaching the catalytic converter. The collector condenses moisture in the exhaust gas to produce liquid water condensate that is held in a reservoir. The water condensate is combined with a reactant capable of forming a reducing agent and the aqueous solution of the reactant is introduced into the exhaust gas upstream of the catalytic converter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.