Exhaust gas recirculation system

Details Exhaust gas recirculation system Exhaust gas recirculation system

1998-07-02

2000-01-04

Denion, Thomas

Power plants

Internal combustion engine with treatment or handling of...

Material from exhaust structure fed to engine intake

60274, 60311, 60280, F02M 2506

Patent

active

060097043

ABSTRACT:
Past exhaust emission control systems have failed to clean the exhaust gas prior to mixing with the intake air. The present exhaust emission control system removes at least a portion of the exhaust constituents from a flow of exhaust gas prior to mixing with a flow of intake air. The present exhaust emission control system includes a control system for monitoring a operating parameter of an engine. The control system interprets the operating parameter within a controller and the controller causes an exhaust valve regulator to move between an open position and a closed position. Thus, the movement of the exhaust valve regulator infinitely between the open position and the closed position defines the quantity of flow of exhaust gas to be mixed with the flow of intake air and controls the emission, especially of NOx, being emitted from the engine depending on the operating parameters of the engine.

REFERENCES:
patent: 5426936 (1995-06-01), Levendis et al.
patent: 5440880 (1995-08-01), Ceynow et al.
patent: 5617726 (1997-04-01), Sheridan et al.
patent: 5657630 (1997-08-01), Kjemtrup et al.
patent: 5671600 (1997-09-01), Pischinger et al.
patent: 5771868 (1998-06-01), Khair
patent: 5802846 (1998-09-01), Bailey
patent: 5806308 (1998-09-01), Khair et al.

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