Connection system for exhaust gas recirculation (EGR)
US6968832B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | May 6, 2004 |
| Grant date | Nov 29, 2005 |
| Priority date | — |
| Expiry date | May 6, 2024 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M26/32
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A connection system for exhaust gas recirculation (EGR) in a diesel engine has an EGR conduit, an exhaust manifold, and a sealing strand. The EGR conduit forms a first surface surrounding an inlet. The exhaust manifold forms a second surface surrounding an outlet. The sealing strand is disposed in a groove formed by one of the first and second surfaces. The groove has an inside surface. The first and second surfaces are pressed together to form a first seal. One of the first and second surfaces compresses the sealing strand against the inside surface to form a second seal. One of the first and second surfaces may be a convex surface. The other surface may be a concave surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.