Exhaust gas recirculation system
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United States of America Patent
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Apr 15, 2008
Grant Date -
Apr 26, 2007
app pub date -
Oct 26, 2005
filing date -
Oct 26, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A flow control mechanism connected to the intake and exhaust systems of an engine. The mechanism may achieve recirculation of exhaust gases despite varying differential pressures or pulses of pressures. The control mechanism may be connected to a storage device. The pulses may be used to store some of the exhaust gas in the storage device. The exhaust gas needed at the intake manifold may be supplied while the exhaust gas is replenished. The storage may eliminate the necessity of dealing with the pressure pulses and dependent coordination of the flow control mechanism with the pulses.
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