Multi-duct muffler
US4234054A · kind A · utility
21Cited by
9References
8Claims
0Family size
Inventor
Key dates
| Filing date | Apr 18, 1978 |
| Grant date | Nov 18, 1980 |
| Priority date | — |
| Expiry date | Apr 18, 1998 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01N1/24
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
This invention is a new and improved muffler for use on the exhaust of noise producing machines such as automotive engines, and the like. It is particularly characterized by utilization of a single inlet into a chamber from which there are a multiplicity of louvered or otherwise appropriately configured exhaust tubes appropriately wrapped with noise entrapping material, and in a preferred form utilizing a ceramic fiber material, and wherein the multiplicity of tubes ultimately open into a chamber from which the ultimate outlet is ducted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.