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Method for In-Cylinder Catalytic Oxidation of Hydrocarbons in Direct Injected Spark Ignition Engines: 6,240,912

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  4. 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: 
06/04/2001
Inventors: 

Rudolph H. Stanglmaier; Charles E. Roberts

Full Text: 
US Patent and Trademark Office