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Method for In-Cylinder Catalytic Oxidation of Hydrocarbons in Direct Injected Spark Ignition Engines

Abstract: 

Hydrocarbon emissions from direct injected spark ignition engines are reduced as a result of post-flame oxidation by a catalytic material deposited on the top of a piston disposed in the engine.

Patent Number: 
6,240,912
Date Of Issue: 
06/05/2001
Inventors: 

Rudolph H. Stanglmaier;Charles E. Roberts