Process for filling a muffler and muffler filled with fibrous material
US6412596B1 · kind B1 · utility
22Cited by
18References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 1, 2001 |
| Grant date | Jul 2, 2002 |
| Priority date | — |
| Expiry date | Feb 1, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01N2490/08
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A process is provided for filling a muffler with fibrous material as well as a muffler filled with fibrous material. The process includes a first step of providing a muffler comprising a closed outer shell having an inner cavity and a perforated pipe. The perforated pipe has a first end portion with at least one fill opening. A second step comprises feeding fibrous material into the outer shell inner cavity through the at least one fill opening in the perforated pipe to form a fibrous product in the outer shell.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.