Muffler
US7810609B2 · kind B2 · utility
21Cited by
12References
28Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Nov 9, 2007 |
| Grant date | Oct 12, 2010 |
| Priority date | — |
| Expiry date | Nov 9, 2027 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01N2310/02
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
An absorption muffler includes a metallic exhaust pipe including a plurality of perforations, a polymeric housing carried by the exhaust pipe and enclosing the plurality of perforations, and including axially opposed ends. Thermal insulation is carried radially between the exhaust pipe and the polymeric housing and axially between the axially opposed ends inclusive thereof. Acoustic insulation is carried between the thermal insulation and the polymeric housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.