Muffler structure for vehicle
US8025123B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 15, 2007 |
| Grant date | Sep 27, 2011 |
| Priority date | — |
| Expiry date | Jun 3, 2027 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01N2490/08
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
The invention obtains a muffler structure for a vehicle which can suppress an emission sound. In a muffler shell for a muffler for a vehicle, there are formed a peripheral joint in which an upper shell and a lower shell corresponding to a plurality of shell structure portions are joined in respective peripheral joint flanges and, and an inter-isolation chamber joint in which the upper shell and the lower shell are joined in inter-isolation chamber joint flanges and in such a manner as to partition a space positioned in an inner side of the peripheral joint into a plurality of isolation chambers and arranged in parallel in a gas flow direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.