Muffler for internal combustion engines
US4192402A · kind A · utility
34Cited by
4References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 23, 1978 |
| Grant date | Mar 11, 1980 |
| Priority date | — |
| Expiry date | May 23, 1998 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01N2590/04
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A muffler having a sealed diffusion chamber provided at its front end with an inlet port of a cross section smaller than that of the diffusion chamber. Within the diffusion chamber there is an outlet pipe having a closed front end disposed a fixed distance from the inlet port. The rear end of the outlet pipe communicates with the atmosphere. The walls of the outlet pipe are perforated to permit communication between the diffusion chamber and the interior of the outlet pipe.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.