Decoupling sleeve for mounting in a motor vehicle exaust pipe
US6554321B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 11, 2000 |
| Grant date | Apr 29, 2003 |
| Priority date | — |
| Expiry date | Jul 11, 2020 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L27/111
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A decoupling sleeve for mounting in a motor vehicle exhaust pipe (LE), the sleeve (5) comprising in particular a mechanical portion (10) having two rigid end zones (15) for connection to the exhaust pipe (LE), and a sealing portion (11) that is thermally insulated from the inside by an insulation portion (12) and that extends over substantially the entire length of the mechanical portion (10) of the sleeve, the sleeve being characterized in that the sealing portion (11) comprises a central zone (22) formed by a layer or wall (24) made of a material that is flexible and that withstands temperature, and two rigid end zones (23) respectively connected to two end zones (15) of the mechanical portion (10), the sealing portion (11) forming a covering that is continuous, closed, and leakproof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.