Method and apparatus for reducing pollutants in engine exhaust
US7571600B2 · kind B2 · utility
0Cited by
9References
41Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 15, 2005 |
| Grant date | Aug 11, 2009 |
| Priority date | — |
| Expiry date | Dec 16, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A transmural catalysis device allows for conversion of NOx into N2 in internal combustion engine exhaust. A reducing gas is delivered into exhaust tubes through a plurality of pores or channels in the walls of the exhaust tubes either continuously or periodically. Also disclosed are methods using the device for reduction of NOx and automotive vehicles comprising the device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.