Natural gas powered engine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jun 18, 2002
Grant Date -
N/A
app pub date -
Apr 3, 2000
filing date -
Apr 3, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of producing near zero NO.sub.x and near zero CO emissions in exhaust gas from an internal combustion engine using a gaseous fuel comprised of natural gas and at least one additional gas selected from hydrogen and carbon monoxide. A first portion of the exhaust gas is recycled for providing dilution of the fuel charge. A second portion of the exhaust gas is discharged to the atmosphere. The engine is operated to combust the gaseous fuel with air under exhaust gas recycle conditions which produce near zero NO.sub.x emissions and near zero CO emission in the exhaust discharged to the atmosphere.
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