Exhaust gas recirculation system

Details Exhaust gas recirculation system Exhaust gas recirculation system

1980-01-29

1982-09-21

Koczo, Jr., Michael

Power plants

Fluid motor means driven by waste heat or by exhaust energy...

With supercharging means for engine

123569, F02B 3700, F02M 2506

Patent

active

043500137

ABSTRACT:
In a diesel engine having a turbocharger for feeding supercharged air to the engine, an exhaust gas recirculation passage communicates between the exhaust passage from the engine and the intake passage to a compressor of the turbocharger. A first control valve closes the exhaust gas recirculation passage when the output pressure of the air leading from the compressor is lower than a first predetermined value or higher than a second predetermined value which is higher than the first predetermined value. A second control valve may be further provided within the exhaust gas recirculation passage so as to close the exhaust gas recirculation passage when the load applied to the engine is above a predetermined value.

REFERENCES:
patent: 3149454 (1964-09-01), Hahn
patent: 3237615 (1966-03-01), Daigh
patent: 4088101 (1978-05-01), Wakita

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