Insulated damped exhaust manifold
US5419127A · kind A · utility
46Cited by
18References
16Claims
0Family size
Inventor
Key dates
| Filing date | Nov 22, 1993 |
| Grant date | May 30, 1995 |
| Priority date | — |
| Expiry date | Nov 22, 2013 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01N2450/22
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
An exhaust manifold for conducting the heated exhaust gas from an internal combustion engine. The exhaust manifold has a thin noncast metal inner layer, a thicker sheet metal outer layer, and a layer of insulating material, preferably ceramic beads, between the inner and outer layers. The method of making the exhaust manifold is also disclosed. The exhaust manifold is damped, insulated, and permits quicker light off of the catalytic converter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.