Automotive catalyst excess oxygen reduction system
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United States of America Patent
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Aug 21, 2007
Grant Date -
N/A
app pub date -
Mar 22, 2006
filing date -
Mar 22, 2006
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An excess oxygen reduction system includes a fuel cut-off condition module, an injector module, and a valve module. The fuel cut-off condition module determines whether a fuel cut-off condition exists. The injector module prevents a fuel injector from fueling a cylinder when said fuel cut-off condition exists. The valve module closes an impulse charging valve when said fuel cut-off condition exists.
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