Exhaust manifold with catalytic wall for internal-combustion engines
US5386696A · kind A · utility
6Cited by
6References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 16, 1993 |
| Grant date | Feb 7, 1995 |
| Priority date | — |
| Expiry date | Feb 16, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
Exhaust manifold for catalytic treatment of the exhaust gases of an internal-combustion engine comprising a metallic outer tube (1) including a catalyst layer (4) in direct contact with the exhaust gases. According to the invention, the manifold also comprises at least one inner tubular element (2), substantially coaxial to said outer tube (1) and providing with the latter at least one space (3), the inner surface of said inner tube (2) being coated by said catalyst layer (4).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.