Bypass assembly with annular bypass venturi for an exhaust gas recirculation system
US6659092B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2001 |
| Grant date | Dec 9, 2003 |
| Priority date | — |
| Expiry date | Jun 24, 2022 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M26/70
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A bypass venturi assembly for recirculating exhaust gas in an internal combustion engine, and particularly suitable for use in a vehicle, is provided with a housing having an outlet, a combustion air inlet and an exhaust gas inlet. A center piece is positioned within the housing and in communication with the combustion air inlet. The center piece defines a combustion air bypass section therein. An annular venturi nozzle positioned between the housing and the center piece is in communication with the combustion air inlet and defines a combustion air venturi section. The venturi nozzle is in communication with the exhaust gas inlet and defines an exhaust gas venturi section. A combustion air bypass valve is positioned in association with the combustion air bypass section. An exhaust gas valve is positioned in association with the exhaust gas inlet. The venturi nozzle is separate from the housing and allows a nozzle with a particular configuration to be utilized, depending upon the application.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.