Method of reducing the NO.sub.x emission of a supercharged pisto

Details Method of reducing the NO.sub.x emission of a supercharged pisto Method of reducing the NO.sub.x emission of a supercharged pisto

1995-11-09

1997-09-30

Koczo, 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

056716001

ABSTRACT:
A method of reducing NO.sub.x emissions of a turbo-charged internal combustion engine. The engine has an exhaust conduit guiding an exhaust gas stream, a charge-air intake conduit guiding a charge-air stream and a turbocharger including a turbine disposed in the exhaust conduit and a compressor disposed in the charge-air intake conduit. The method comprises the steps of branching off a partial exhaust gas quantity from the exhaust gas stream upstream of the turbine as viewed in a direction of exhaust gas flow; passing the partial exhaust gas quantity through a particle filter; and introducing the partial exhaust gas quantity into the charge-air stream upstream of the compressor.

REFERENCES:
patent: 4087966 (1978-05-01), Akado et al.
patent: 4350013 (1982-09-01), Yoshiba
patent: 4426848 (1984-01-01), Stachowicz

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