Method and device for an EGR-system and a valve as well as a regulation method and device
US6925992B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 9, 1999 |
| Grant date | Aug 9, 2005 |
| Priority date | — |
| Expiry date | Nov 9, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87161
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The invention is related to a method and a device for recirculation of a part of exhaust gases from an exhaust pipe (6, 9) of a diesel engine (1) to the inlet of the engine, the exhaust gases being diverted from the exhaust pipe (6, 9) and directed through a recirculation conduit (10) to a controllable valve device (12) arranged between the engine and the air intake (2) thereof for allowing supply of air/recirculated exhaust gases in a desired relation to the combustion chamber of the engine (1). The invention also relates to a particular valve having two controllable inlets, said valve being useful in the method or device according to the invention, and a regulation method and device for regulating the air/fuel relation of a diesel engine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.